From metatracker at psf.upfronthosting.co.za  Thu Dec  1 02:05:08 2016
From: metatracker at psf.upfronthosting.co.za (Anthonyliu)
Date: Thu, 01 Dec 2016 07:05:08 +0000
Subject: [Tracker-discuss] [issue609] Failed to start IDLE if user had
 connect to a network shre disk
Message-ID: <1480575908.94.0.0556422464128.issue609@psf.upfronthosting.co.za>


New submission from Anthonyliu:

build 2.7.12
Win OS: win7 X64

issue:
after installer finished,try to open idle, but failed with error:
IDLE's subprocess did not make connetion. xxxx

debug?
please refer to attached file eror_2.png

workaround:
disconnect the network share disk and open idle normal.

----------
messages: 3202
nosy: anthony
priority: bug
status: testing
title: Failed to start IDLE if user had connect to a network shre disk

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue609>
_______________________________________________________

From metatracker at psf.upfronthosting.co.za  Thu Dec  1 13:01:28 2016
From: metatracker at psf.upfronthosting.co.za (Brett C.)
Date: Thu, 01 Dec 2016 18:01:28 +0000
Subject: [Tracker-discuss] [issue609] Failed to start IDLE if user had
 connect to a network shre disk
In-Reply-To: <1480575908.94.0.0556422464128.issue609@psf.upfronthosting.co.za>
Message-ID: <1480615288.47.0.969410079825.issue609@psf.upfronthosting.co.za>


Brett C. added the comment:

This is the wrong issue tracker for problems with Python (this is the tracker for Python's issue tracker). If you want to report a bug then it should go to bugs.python.org. But I would advise asking for help on the python-list mailing list first.

----------
nosy: +brett.cannon
status: testing -> resolved

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue609>
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From metatracker at psf.upfronthosting.co.za  Thu Dec  1 18:00:29 2016
From: metatracker at psf.upfronthosting.co.za (Ezio Melotti)
Date: Thu, 01 Dec 2016 23:00:29 +0000
Subject: [Tracker-discuss] [issue587] Link GitHub pull requests in comments
In-Reply-To: <1468870442.58.0.0827952665631.issue587@psf.upfronthosting.co.za>
Message-ID: <1480633229.04.0.722947401106.issue587@psf.upfronthosting.co.za>


Ezio Melotti added the comment:

Done in https://hg.python.org/tracker/python-dev/rev/8708baeae844
Thanks for the patch!

----------
assignedto: anish.shah -> ezio.melotti
nosy: +ezio.melotti
status: in-progress -> testing

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue587>
_______________________________________________________

From metatracker at psf.upfronthosting.co.za  Thu Dec  1 23:27:58 2016
From: metatracker at psf.upfronthosting.co.za (Anish Shah)
Date: Fri, 02 Dec 2016 04:27:58 +0000
Subject: [Tracker-discuss] [issue586] Add GitHub Pull Request URL on issue
 page
In-Reply-To: <1468311341.73.0.296282421587.issue586@psf.upfronthosting.co.za>
Message-ID: <1480652878.09.0.24320695169.issue586@psf.upfronthosting.co.za>


Anish Shah added the comment:

Hi, on this link http://bugs.python.org/pull_request, I am getting a textbox where I can delete/edit entries. Do we want this? I am not sure.

_______________________________________________________
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<http://psf.upfronthosting.co.za/roundup/meta/issue586>
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From metatracker at psf.upfronthosting.co.za  Fri Dec  2 02:06:08 2016
From: metatracker at psf.upfronthosting.co.za (Maciej Szulik)
Date: Fri, 02 Dec 2016 07:06:08 +0000
Subject: [Tracker-discuss] [issue586] Add GitHub Pull Request URL on issue
 page
In-Reply-To: <1468311341.73.0.296282421587.issue586@psf.upfronthosting.co.za>
Message-ID: <1480662368.91.0.46070349891.issue586@psf.upfronthosting.co.za>


Maciej Szulik added the comment:

Anish, yes that's intentional. But you should not have access rights to edit anything there.

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue586>
_______________________________________________________

From metatracker at psf.upfronthosting.co.za  Fri Dec  2 02:11:50 2016
From: metatracker at psf.upfronthosting.co.za (Anish Shah)
Date: Fri, 02 Dec 2016 07:11:50 +0000
Subject: [Tracker-discuss] [issue586] Add GitHub Pull Request URL on issue
 page
In-Reply-To: <1480662368.91.0.46070349891.issue586@psf.upfronthosting.co.za>
Message-ID: <CAOqj4aX=6yDOm+4s7R_yp2-KZ_FK4jWPM2pUgv0TV_WYSzR+GQ@mail.gmail.com>


Anish Shah added the comment:

Yep. It might be because of permissions issue.

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue586>
_______________________________________________________

From metatracker at psf.upfronthosting.co.za  Tue Dec  6 05:12:21 2016
From: metatracker at psf.upfronthosting.co.za (Maciej Szulik)
Date: Tue, 06 Dec 2016 10:12:21 +0000
Subject: [Tracker-discuss] [issue589] Add GitHub PR to b.p.o issues using
 GitHub webhooks (depends on issue586)
In-Reply-To: <1464035377.63.0.520552418309.issue589@psf.upfronthosting.co.za>
Message-ID: <1481019141.19.0.539211438024.issue589@psf.upfronthosting.co.za>


Maciej Szulik added the comment:

I'm uploading the current version of the patch, it's still not fully reviewed, I've left a few TODO's here and there for what should be double checked.

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue589>
_______________________________________________________
-------------- next part --------------
diff --git a/roundup/cgi/client.py b/roundup/cgi/client.py
--- a/roundup/cgi/client.py
+++ b/roundup/cgi/client.py
@@ -22,6 +22,7 @@
 from roundup.mailer import Mailer, MessageSendError, encode_quopri
 from roundup.cgi import accept_language
 from roundup import xmlrpc
+from roundup.pull_request import GitHubHandler
 
 from roundup.anypy.cookie_ import CookieError, BaseCookie, SimpleCookie, \
     get_cookie_date
@@ -378,6 +379,8 @@
         try:
             if self.path == 'xmlrpc':
                 self.handle_xmlrpc()
+            elif self.path == 'pull_request':
+                self.handle_pull_request()
             else:
                 self.inner_main()
         finally:
@@ -385,6 +388,34 @@
                 self.db.close()
 
 
+    def handle_pull_request(self):
+        # Set the charset and language, since other parts of
+        # Roundup may depend upon that.
+        self.determine_charset()
+        self.determine_language()
+        # Open the database as the correct user.
+        self.determine_user()
+        self.check_anonymous_access()
+
+        try:
+            handler = GitHubHandler(self)
+            handler.dispatch()
+        except Unauthorised, message:
+            self.response_code = 403
+            self.write(message)
+        except UnsupportedMediaType, message:
+            self.response_code = 415
+            self.write(message)
+        except MethodNotAllowed, message:
+            self.response_code = 405
+            self.write(message)
+        except Reject, message:
+            self.response_code = 400
+            self.write(message)
+        else:
+            self.write("Done!")
+
+
     def handle_xmlrpc(self):
         if self.env.get('CONTENT_TYPE') != 'text/xml':
             self.write("This is the endpoint of Roundup <a href='" +
diff --git a/roundup/exceptions.py b/roundup/exceptions.py
--- a/roundup/exceptions.py
+++ b/roundup/exceptions.py
@@ -21,6 +21,12 @@
     """
     pass
 
+class UnsupportedMediaType(Exception):
+    pass
+
+class MethodNotAllowed(Exception):
+    pass
+
 class UsageError(ValueError):
     pass
 
diff --git a/roundup/pull_request.py b/roundup/pull_request.py
new file mode 100644
--- /dev/null
+++ b/roundup/pull_request.py
@@ -0,0 +1,241 @@
+from roundup.exceptions import *
+
+import hashlib
+import hmac
+import json
+import re
+import os
+import logging
+
+
+if hasattr(hmac, 'compare_digest'):
+    compare_digest = hmac.compare_digest
+else:
+    def compare_digest(a, b):
+        return a == b
+
+url_re = re.compile(r'https://github.com/python/cpython/pull/(?P<number>\d+)')
+issue_re = re.compile(r'fixes\s+(?:bpo(\d+))(?:,\s*bpo(\d+))*', re.I)
+issue_id_re = re.compile(r'bpo(\d+)', re.I)
+
+class GitHubHandler:
+    """
+    GitHubHandler is responsible for parsing and serving all events coming
+    from GitHub. Details about GitHub webhooks can be found at:
+    https://developer.github.com/webhooks/
+    """
+
+    def __init__(self, client):
+        self.db = client.db
+        self.request = client.request
+        self.form = client.form
+        self.env = client.env
+
+    def dispatch(self):
+        try:
+            self.verify_request()
+            self.validate_webhook_secret()
+            self.extract()
+        except Unauthorised, message:
+            logging.error(message, exc_info=True)
+            raise
+        except MethodNotAllowed, message:
+            logging.error(message, exc_info=True)
+            raise
+        except UnsupportedMediaType, message:
+            logging.error(message, exc_info=True)
+            raise
+        except Exception, message:
+            logging.error(message, exc_info=True)
+            raise Reject('Invalid Request')
+
+    def extract(self):
+        """
+        This method is responsible for extracting information from GitHub event
+        and decide what to do with it more. Currently it knows how to handle
+        pull requests and comments.
+        """
+        event = self.get_event()
+        if event not in ('pull_request', 'issue_comment'):
+            raise Reject('Unkown X-GitHub-Event {}'.format(event))
+        data = json.loads(self.form.value)
+        if event == 'pull_request':
+            handler = PullRequest(self.db, data)
+            handler.dispatch()
+        # TODO: verify if this is about gh issues or pr comments, not sure?
+        elif event == 'issue_comment':
+            handler = IssueComment(self.db, data)
+            handler.dispatch()
+
+    def validate_webhook_secret(self):
+        """
+        Validates request signature against SECRET_KEY environment variable.
+        This verification is based on HMAC hex digest calculated from the sent
+        payload. The value of SECRET_KEY should be exactly the same as the one
+        configured in GitHub webhook secret field.
+        """
+        key = os.environ['SECRET_KEY']
+        data = self.form.value
+        signature = 'sha1=' + hmac.new(key, data,
+                                       hashlib.sha1).hexdigest()
+        header_signature = self.request.headers.get('X-Hub-Signature', '')
+        if not compare_digest(signature, header_signature):
+            raise Unauthorised('The provided secret does not match')
+
+    def verify_request(self):
+        """
+        Verifies if request contains expected method, content type and event.
+        """
+        method = self.env.get('REQUEST_METHOD', None)
+        if method != 'POST':
+            raise MethodNotAllowed('unsupported HTTP method %s' % method)
+        content_type = self.env.get('CONTENT_TYPE', None)
+        if content_type != 'application/json':
+            raise UnsupportedMediaType('unsupported Content-Type %s' %
+                                       content_type)
+        if self.get_event() is None:
+            raise Reject('missing X-GitHub-Event header')
+
+    def get_event(self):
+        """
+        Extracts github event from header field.
+        """
+        return self.request.headers.get('X-GitHub-Event', None)
+
+
+class Event:
+    """
+    Event is base class for all GitHub events.
+    """
+
+    def handle_create(self, prid, title, issue_ids):
+        """
+        Helper method for linking GitHub pull request with an issue.
+        """
+        # search for an existing issue first
+        issue_exists = len(self.db.issue.filter(None, {'id': issue_ids})) == len(issue_ids)
+        if issue_exists:
+            for issue_id in issue_ids:
+                # verify if this PR is already linked
+                prs = self.db.issue.get(issue_id, 'pull_requests')
+                if set(prs).intersection(self.db.pull_request.filter(None, {'number': prid})):
+                    continue
+                # create a new link
+                newpr = None
+                if title:
+                    newpr = self.db.pull_request.create(number=prid, title=title)
+                else:
+                    # TODO verify if we can get pr title here
+                    newpr = self.db.pull_request.create(number=prid)
+                prs.append(newpr)
+                self.db.issue.set(issue_id, pull_requests=prs)
+                self.db.commit()
+
+    def get_issue_ids(self):
+        raise NotImplementedError
+
+    def get_pr_details(self):
+        raise NotImplementedError
+
+
+class PullRequest(Event):
+    """
+    Class responsible for handling pull request events.
+    """
+
+    def __init__(self, db, data):
+        self.db = db
+        self.data = data
+
+    def dispatch(self):
+        github_username = self.get_github_username()
+        user_id = self.db.user.filter(None, {'github': github_username})
+        # TODO set bpobot as userid when none is found
+        if len(user_id) == 1:
+            username = self.db.user.get(user_id[0], 'username')
+            self.db.setCurrentUser(username)
+        action = self.data['action'].encode('utf-8')
+        issue_id = self.get_issue_ids()
+        prid, title = self.get_pr_details()
+        if action == 'opened' and issue_id is not None and prid is not None:
+            self.handle_create(prid, title, issue_id)
+
+    def get_issue_ids(self):
+        """
+        Extract issue IDs from pull request comments.
+        """
+        title = self.data['pull_request']['title'].encode('utf-8')
+        body = self.data['pull_request']['body'].encode('utf-8')
+        match = issue_re.search(body) or issue_re.search(title)
+        if match:
+            return issue_id_re.findall(match.group())
+        # no issue id found
+        create_issue = os.environ.get('CREATE_ISSUE', False)
+        if create_issue:
+            # TODO we should fill in the issue with more details
+            return [self.db.issue.create(title=title)]
+        return None
+
+    def get_pr_details(self):
+        """
+        Extract pull request number and title.
+        """
+        number = self.data['pull_request']['number']
+        title = self.data['pull_request']['title'].encode('utf-8')
+        return str(number), title
+
+
+    def get_github_username(self):
+        """
+        Extract github username from a pull request.
+        """
+        return self.data['pull_request']['user']['login'].encode('utf-8')
+
+
+class IssueComment(Event):
+    """
+    Class responsible for handling comment events.
+    """
+
+    def __init__(self, db, data):
+        self.db = db
+        self.data = data
+
+    def dispatch(self):
+        github_username = self.get_github_username()
+        user_id = self.db.user.filter(None, {'github': github_username})
+        # TODO set bpobot as userid when none is found
+        if len(user_id) == 1:
+            username = self.db.user.get(user_id[0], 'username')
+            self.db.setCurrentUser(username)
+        action = self.data['action'].encode('utf-8')
+        issue_id = self.get_issue_ids()
+        prid, title = self.get_pr_details()
+        if action == 'created' and issue_id is not None and prid is not None:
+            self.handle_create(prid, title, issue_id)
+
+    def get_issue_ids(self):
+        """
+        Extract issue IDs from comments.
+        """
+        body = self.data['comment']['body'].encode('utf-8')
+        match = issue_re.search(body)
+        if match:
+            return issue_id_re.findall(match.group())
+        return None
+
+    def get_pr_details(self):
+        """
+        Extract pull request number and title.
+        """
+        url = self.data['issue']['pull_request']['html_url'].encode('utf-8')
+        prid_match = url_re.search(url)
+        if not prid_match:
+            return (None, None)
+        return prid_match.group('number'), None
+
+    def get_github_username(self):
+        """
+        Extract github username from a comment.
+        """
+        return self.data['issue']['user']['login'].encode('utf-8')
diff --git a/share/roundup/templates/classic/detectors/pull_request.py b/share/roundup/templates/classic/detectors/pull_request.py
new file mode 100644
--- /dev/null
+++ b/share/roundup/templates/classic/detectors/pull_request.py
@@ -0,0 +1,69 @@
+# Auditor for GitHub URLs
+# Check if it is a valid GitHub Pull Request URL and extract PR number
+
+import re
+
+
+repo_number_re = re.compile(r'^#?(?P<number>\d+)$')
+url_re = re.compile(r'(https?:\\)?github\.com/python/cpython/pull/(?P<number>\d+)')
+
+def validate_pr_uniqueness(db, cl, nodeid, newvalues):
+    """
+    Verifies if newly added PR isn't already attached to an issue.
+    This process is a 2-level action, first a pull_request object is created, which
+    goes through validate_pr_number to extract the PR number in case an URL is passed,
+    only then we validate PR uniqueness within a single issue.
+    """
+    newprs = set(newvalues.get('pull_requests',()))
+    if not newprs:
+        return
+    oldprs = set()
+    if nodeid:
+        # if this is an existing issue, get the list of existing prs
+        oldprs = set(db.issue.get(nodeid, 'pull_requests'))
+        newprs -= oldprs
+    try:
+        # get the newly created PR number
+        number = db.pull_request.get(newprs.pop(), 'number')
+    except KeyError:
+        return
+    # and compare with those already attached to an issue
+    for oldpr in oldprs:
+        oldnumber = db.pull_request.get(oldpr, 'number')
+        if number == oldnumber:
+            raise ValueError("GitHub PR already added to issue")
+
+def validate_pr_number(db, cl, nodeid, newvalues):
+    try:
+        number = extract_number(newvalues['number'])
+        if number:
+            newvalues['number'] = number
+    except KeyError:
+        pass
+
+def extract_number(input):
+    """
+    Extracts PR number from the following forms:
+    - #number
+    - number
+    - full url
+    and returns its number.
+    """
+    # try matching just the number
+    repo_number_match = repo_number_re.search(input)
+    if repo_number_match:
+        return repo_number_match.group('number')
+    # fallback to parsing the entire url
+    url_match = url_re.search(input)
+    if url_match:
+        return url_match.group('number')
+    # if nothing else raise error
+    raise ValueError("Unknown PR format, acceptable formats are: "
+                     "full github URL, #pr_number, pr_number")
+
+
+def init(db):
+    db.issue.audit('create', validate_pr_uniqueness)
+    db.issue.audit('set', validate_pr_uniqueness)
+    db.pull_request.audit('create', validate_pr_number)
+    db.pull_request.audit('set', validate_pr_number)
diff --git a/share/roundup/templates/classic/schema.py b/share/roundup/templates/classic/schema.py
--- a/share/roundup/templates/classic/schema.py
+++ b/share/roundup/templates/classic/schema.py
@@ -45,7 +45,8 @@
                 alternate_addresses=String(),
                 queries=Multilink('query'),
                 roles=String(),     # comma-separated string of Role names
-                timezone=String())
+                timezone=String(),
+                github=String())
 user.setkey("username")
 db.security.addPermission(name='Register', klass='user',
                           description='User is allowed to register new user')
@@ -65,6 +66,12 @@
 file = FileClass(db, "file",
                 name=String())
 
+pull_request = Class(db, "pull_request",
+                     number=String(),
+                     title=String(),
+                     )
+pull_request.setlabelprop('id')
+
 # IssueClass automatically gets these properties in addition to the Class ones:
 #   title = String()
 #   messages = Multilink("msg")
@@ -75,7 +82,8 @@
                 assignedto=Link("user"),
                 keyword=Multilink("keyword"),
                 priority=Link("priority"),
-                status=Link("status"))
+                status=Link("status"),
+                pull_requests=Multilink('pull_request'))
 
 #
 # TRACKER SECURITY SETTINGS
@@ -92,7 +100,7 @@
 
 # Assign the access and edit Permissions for issue, file and message
 # to regular users now
-for cl in 'issue', 'file', 'msg', 'keyword':
+for cl in 'issue', 'file', 'msg', 'keyword', 'pull_request':
     db.security.addPermissionToRole('User', 'View', cl)
     db.security.addPermissionToRole('User', 'Edit', cl)
     db.security.addPermissionToRole('User', 'Create', cl)
@@ -101,7 +109,7 @@
 
 # May users view other user information? Comment these lines out
 # if you don't want them to
-p = db.security.addPermission(name='View', klass='user', 
+p = db.security.addPermission(name='View', klass='user',
     properties=('id', 'organisation', 'phone', 'realname', 'timezone',
     'username'))
 db.security.addPermissionToRole('User', p)
@@ -167,7 +175,7 @@
 
 # Allow anonymous users access to view issues (and the related, linked
 # information)
-for cl in 'issue', 'file', 'msg', 'keyword', 'priority', 'status':
+for cl in 'issue', 'file', 'msg', 'keyword', 'priority', 'status', 'pull_request':
     db.security.addPermissionToRole('Anonymous', 'View', cl)
 
 # [OPTIONAL]
diff --git a/test/data/issuecommentevent.txt b/test/data/issuecommentevent.txt
new file mode 100644
--- /dev/null
+++ b/test/data/issuecommentevent.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: issue_comment
+X-GitHub-Delivery: c6d12700-270e-11e6-86c5-8e9c9c898175
+content-type: application/json
+X-Hub-Signature: sha1=8b34ff28b2b312be5c6439c267afc236ff49475d
+Content-Length: 8404
+
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diff --git a/test/test_pull_request.py b/test/test_pull_request.py
new file mode 100644
--- /dev/null
+++ b/test/test_pull_request.py
@@ -0,0 +1,223 @@
+import unittest
+import os
+import db_test_base
+import cgi
+from BaseHTTPServer import BaseHTTPRequestHandler
+from StringIO import StringIO
+from roundup.cgi import client
+from roundup.backends import list_backends
+from roundup.pull_request import GitHubHandler
+from roundup.exceptions import *
+
+NEEDS_INSTANCE = 1
+
+
+class HTTPRequest(BaseHTTPRequestHandler):
+    def __init__(self, filename):
+        path = os.path.dirname(os.path.abspath(__file__)) + "/data/" + filename
+        request_file = open(path, 'r')
+        request_text = request_file.read()
+        request_file.close()
+        self.rfile = StringIO(request_text)
+        self.raw_requestline = self.rfile.readline()
+        self.error_code = self.error_message = None
+        self.parse_request()
+
+
+class TestCase(unittest.TestCase):
+
+    backend = None
+
+    def setUp(self):
+        # instance
+        self.dirname = '_test_pull_request'
+        self.instance = db_test_base.setupTracker(self.dirname, self.backend)
+        self.env = {
+            'PATH_INFO': 'http://localhost/pull_request',
+            'HTTP_HOST': 'localhost',
+            'TRACKER_NAME': 'test',
+            'REQUEST_METHOD': 'POST',
+            'CONTENT_TYPE': 'application/json'
+        }
+        os.environ['SECRET_KEY'] = "abcd"
+        os.environ['CREATE_ISSUE'] = 'yes'
+
+    def _make_client(self, filename):
+        request = HTTPRequest(filename)
+        form = cgi.FieldStorage(fp=request.rfile, environ=self.env,
+                                headers=request.headers)
+        dummy_client = client.Client(self.instance, request, self.env, form)
+        dummy_client.opendb("anonymous")
+        self.db = dummy_client.db
+        self.db.issue.create(title="Hello")
+        return dummy_client
+
+    def testMissingSecretKey(self):
+        os.environ.pop('SECRET_KEY')
+        dummy_client = self._make_client("pingevent.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "Invalid Request")
+
+    def testMissingGitHubEventHeader(self):
+        dummy_client = self._make_client("no-github-event-header.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "Invalid Request")
+
+    def testNonJSONRequestBody(self):
+        dummy_client = self._make_client("non-json-body.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "Invalid Request")
+
+    def testSecretKey(self):
+        os.environ['SECRET_KEY'] = "1234"
+        dummy_client = self._make_client("pingevent.txt")
+        with self.assertRaises(Unauthorised) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "The provided secret does not match")
+
+    def testUnsupportedMediaType(self):
+        dummy_client = self._make_client("pingevent.txt")
+        dummy_client.env['CONTENT_TYPE'] = 'application/xml'
+        with self.assertRaises(UnsupportedMediaType) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "unsupported Content-Type application/xml")
+
+    def testMethodNotAllowed(self):
+        dummy_client = self._make_client("pingevent.txt")
+        dummy_client.env['REQUEST_METHOD'] = 'GET'
+        with self.assertRaises(MethodNotAllowed) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "unsupported HTTP method GET")
+
+    def testPingEvent(self):
+        dummy_client = self._make_client("pingevent.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception), "Invalid Request")
+
+    def testIssueCommentEvent(self):
+        dummy_client = self._make_client("issuecommentevent.txt")
+        self.db.user.create(username="anish.shah", github="AnishShah")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '1')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'github'), 'AnishShah')
+
+    def testPullRequestEventForTitle(self):
+        # When the title of a PR has string "fixes bpo123"
+        dummy_client = self._make_client("pullrequestevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '11')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestEventForBody(self):
+        # When the body of a PR has string "fixes bpo123"
+        dummy_client = self._make_client("pullrequestevent1.txt")
+        self.db.user.create(username="anish.shah", github="AnishShah")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '3')
+        title = self.db.pull_request.get(prs[0], 'title')
+        self.assertEqual(title, 'Created using GitHub API')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'github'), 'AnishShah')
+
+    def testPullRequestEventForMultipleIssueReferenceInTitle(self):
+        dummy_client = self._make_client("pullrequestevent3.txt")
+        self.db.issue.create(title="Python")
+        self.db.issue.create(title="CPython")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        for i in range(1, 4):
+            prs = self.db.issue.get(str(i), 'pull_requests')
+            self.assertTrue(len(prs) == 1)
+            number = self.db.pull_request.get(prs[0], 'number')
+            self.assertEqual(number, '13')
+            title = self.db.pull_request.get(prs[0], 'title')
+            self.assertEqual(title, 'fixes bpo1, bpo2, bpo3')
+
+    def testPullRequestEventForMultipleIssueReferenceInBody(self):
+        dummy_client = self._make_client("pullrequestevent4.txt")
+        self.db.issue.create(title="Python")
+        self.db.issue.create(title="CPython")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        for i in range(1, 4):
+            prs = self.db.issue.get(str(i), 'pull_requests')
+            self.assertTrue(len(prs) == 1)
+            number = self.db.pull_request.get(prs[0], 'number')
+            self.assertEqual(number, '14')
+            title = self.db.pull_request.get(prs[0], 'title')
+            self.assertEqual(title, 'update .gitignore')
+
+    def testPullRequestEventWithoutIssueReference(self):
+        # When no issue is referenced in PR and environment variable is set
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 2)
+        user_id = self.db.issue.get('2', 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestFromGitHubUserWithoutIssueReference(self):
+        # When no issue is referenced in PR and environment variable is set
+        # and Github field of b.p.o user is set
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.db.user.create(username="anish.shah", github="AnishShah")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 2)
+        user_id = self.db.issue.get('2', 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anish.shah')
+
+    def testPullRequestEventWithoutIssueReferenceAndEnvVariable(self):
+        # When no issue is referenced in PR and no environment variable is set
+        os.environ.pop('CREATE_ISSUE')
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 1)
+
+
+def test_suite():
+    suite = unittest.TestSuite()
+    for l in list_backends():
+        dct = dict(backend=l)
+        subcls = type(TestCase)('TestCase_%s' % l, (TestCase,), dct)
+        suite.addTest(unittest.makeSuite(subcls))
+    return suite
+
+if __name__ == '__main__':
+    runner = unittest.TextTestRunner()
+    unittest.main(testRunner=runner)

From metatracker at psf.upfronthosting.co.za  Fri Dec 16 20:18:07 2016
From: metatracker at psf.upfronthosting.co.za (Maciej Szulik)
Date: Sat, 17 Dec 2016 01:18:07 +0000
Subject: [Tracker-discuss] [issue589] Add GitHub PR to b.p.o issues using
 GitHub webhooks (depends on issue586)
In-Reply-To: <1464035377.63.0.520552418309.issue589@psf.upfronthosting.co.za>
Message-ID: <1481937487.5.0.203187973929.issue589@psf.upfronthosting.co.za>


Maciej Szulik added the comment:

I've simplified the patch a bit more. I'll be doing more tests against it over the weekend, but Ezio go ahead and test it on your end.

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue589>
_______________________________________________________
-------------- next part --------------
diff --git a/roundup/cgi/client.py b/roundup/cgi/client.py
--- a/roundup/cgi/client.py
+++ b/roundup/cgi/client.py
@@ -22,6 +22,7 @@
 from roundup.mailer import Mailer, MessageSendError, encode_quopri
 from roundup.cgi import accept_language
 from roundup import xmlrpc
+from roundup.pull_request import GitHubHandler
 
 from roundup.anypy.cookie_ import CookieError, BaseCookie, SimpleCookie, \
     get_cookie_date
@@ -378,6 +379,8 @@
         try:
             if self.path == 'xmlrpc':
                 self.handle_xmlrpc()
+            elif self.path == 'pull_request':
+                self.handle_pull_request()
             else:
                 self.inner_main()
         finally:
@@ -385,6 +388,34 @@
                 self.db.close()
 
 
+    def handle_pull_request(self):
+        # Set the charset and language, since other parts of
+        # Roundup may depend upon that.
+        self.determine_charset()
+        self.determine_language()
+        # Open the database as the correct user.
+        self.determine_user()
+        self.check_anonymous_access()
+
+        try:
+            handler = GitHubHandler(self)
+            handler.dispatch()
+        except Unauthorised, message:
+            self.response_code = 403
+            self.write(message)
+        except UnsupportedMediaType, message:
+            self.response_code = 415
+            self.write(message)
+        except MethodNotAllowed, message:
+            self.response_code = 405
+            self.write(message)
+        except Reject, message:
+            self.response_code = 400
+            self.write(message)
+        else:
+            self.write("Done!")
+
+
     def handle_xmlrpc(self):
         if self.env.get('CONTENT_TYPE') != 'text/xml':
             self.write("This is the endpoint of Roundup <a href='" +
diff --git a/roundup/exceptions.py b/roundup/exceptions.py
--- a/roundup/exceptions.py
+++ b/roundup/exceptions.py
@@ -21,6 +21,12 @@
     """
     pass
 
+class UnsupportedMediaType(Exception):
+    pass
+
+class MethodNotAllowed(Exception):
+    pass
+
 class UsageError(ValueError):
     pass
 
diff --git a/roundup/pull_request.py b/roundup/pull_request.py
new file mode 100644
--- /dev/null
+++ b/roundup/pull_request.py
@@ -0,0 +1,216 @@
+from roundup.exceptions import *
+
+import hashlib
+import hmac
+import json
+import re
+import os
+import logging
+
+
+if hasattr(hmac, 'compare_digest'):
+    compare_digest = hmac.compare_digest
+else:
+    def compare_digest(a, b):
+        return a == b
+
+url_re = re.compile(r'https://github.com/python/cpython/pull/(?P<number>\d+)')
+issue_re = re.compile(r'fixes\s+(?:bpo(\d+))(?:,\s*bpo(\d+))*', re.I)
+issue_id_re = re.compile(r'bpo(\d+)', re.I)
+
+class GitHubHandler:
+    """
+    GitHubHandler is responsible for parsing and serving all events coming
+    from GitHub. Details about GitHub webhooks can be found at:
+    https://developer.github.com/webhooks/
+    """
+
+    def __init__(self, client):
+        self.db = client.db
+        self.request = client.request
+        self.form = client.form
+        self.env = client.env
+
+    def dispatch(self):
+        try:
+            self.verify_request()
+            self.validate_webhook_secret()
+            self.extract()
+        except Unauthorised, message:
+            logging.error(message)
+            raise
+        except MethodNotAllowed, message:
+            logging.error(message)
+            raise
+        except UnsupportedMediaType, message:
+            logging.error(message)
+            raise
+        except Exception, message:
+            logging.error(message)
+            raise Reject('Invalid Request')
+
+    def extract(self):
+        """
+        This method is responsible for extracting information from GitHub event
+        and decide what to do with it more. Currently it knows how to handle
+        pull requests and comments.
+        """
+        event = self.get_event()
+        if event == 'ping':
+            # do nothing for ping event
+            return
+        if event not in ('pull_request', 'pull_request_review_comment'):
+            raise Reject('Unkown X-GitHub-Event {}'.format(event))
+        data = json.loads(self.form.value)
+        handler = PullRequest(self.db, data)
+        handler.dispatch()
+
+    def validate_webhook_secret(self):
+        """
+        Validates request signature against SECRET_KEY environment variable.
+        This verification is based on HMAC hex digest calculated from the sent
+        payload. The value of SECRET_KEY should be exactly the same as the one
+        configured in GitHub webhook secret field.
+        """
+        key = os.environ['SECRET_KEY']
+        data = str(self.form.value)
+        signature = 'sha1=' + hmac.new(key, data,
+                                       hashlib.sha1).hexdigest()
+        header_signature = self.request.headers.get('X-Hub-Signature', '')
+        if not compare_digest(signature, header_signature):
+            raise Unauthorised('The provided secret does not match')
+
+    def verify_request(self):
+        """
+        Verifies if request contains expected method, content type and event.
+        """
+        method = self.env.get('REQUEST_METHOD', None)
+        if method != 'POST':
+            raise MethodNotAllowed('unsupported HTTP method %s' % method)
+        content_type = self.env.get('CONTENT_TYPE', None)
+        if content_type != 'application/json':
+            raise UnsupportedMediaType('unsupported Content-Type %s' %
+                                       content_type)
+        if self.get_event() is None:
+            raise Reject('missing X-GitHub-Event header')
+
+    def get_event(self):
+        """
+        Extracts github event from header field.
+        """
+        return self.request.headers.get('X-GitHub-Event', None)
+
+
+class Event:
+    """
+    Event is base class for all GitHub events.
+    """
+
+    def handle_create(self, prid, title, issue_ids):
+        """
+        Helper method for linking GitHub pull request with an issue.
+        """
+        # search for an existing issue first
+        issue_exists = len(self.db.issue.filter(None, {'id': issue_ids})) == len(issue_ids)
+        if not issue_exists:
+            return
+        for issue_id in issue_ids:
+            # verify if this PR is already linked
+            prs = self.db.issue.get(issue_id, 'pull_requests')
+            if set(prs).intersection(self.db.pull_request.filter(None, {'number': prid})):
+                continue
+            # create a new link
+            newpr = None
+            if title:
+                newpr = self.db.pull_request.create(number=prid, title=title)
+            else:
+                newpr = self.db.pull_request.create(number=prid)
+            prs.append(newpr)
+            self.db.issue.set(issue_id, pull_requests=prs)
+            self.db.commit()
+
+    def handle_update(self, prid, title, issue_ids):
+        """
+        Helper method for updating GitHub pull request.
+        """
+        # search for an existing issue first
+        issue_exists = len(self.db.issue.filter(None, {'id': issue_ids})) == len(issue_ids)
+        if not issue_exists:
+            return
+        # update handles at most title changes for now
+        if not title:
+            return
+        for issue_id in issue_ids:
+            # verify if this PR is already linked
+            prs = self.db.issue.get(issue_id, 'pull_requests')
+            if set(prs).intersection(self.db.pull_request.filter(None, {'number': prid})):
+                for pr in prs:
+                    probj = self.db.pull_request.getnode(pr)
+                    if probj.number == prid and probj.title != title:
+                        self.db.pull_request.set(probj.id, title=title)
+                        self.db.commit()
+            else:
+                self.handle_create(prid, title, [issue_id])
+
+    def get_issue_ids(self):
+        raise NotImplementedError
+
+    def get_pr_details(self):
+        raise NotImplementedError
+
+
+class PullRequest(Event):
+    """
+    Class responsible for handling pull request events.
+    """
+
+    def __init__(self, db, data):
+        self.db = db
+        self.data = data
+
+    def dispatch(self):
+        github_username = self.get_github_username()
+        user_id = self.db.user.filter(None, {'github': github_username})
+        # TODO set bpobot as userid when none is found
+        if len(user_id) == 1:
+            username = self.db.user.get(user_id[0], 'username')
+            self.db.setCurrentUser(username)
+        action = self.data['action'].encode('utf-8')
+        issue_id = self.get_issue_ids()
+        prid, title = self.get_pr_details()
+        if issue_id is not None and prid is not None:
+            if action in ('opened', 'created'):
+                self.handle_create(prid, title, issue_id)
+            elif action == 'edited':
+                self.handle_update(prid, title, issue_id)
+
+    def get_issue_ids(self):
+        """
+        Extract issue IDs from pull request comments.
+        """
+        title = self.data['pull_request']['title'].encode('utf-8')
+        body = self.data['pull_request']['body'].encode('utf-8')
+        match = issue_re.search(body) or issue_re.search(title)
+        if match:
+            return issue_id_re.findall(match.group())
+        # no issue id found
+        create_issue = os.environ.get('CREATE_ISSUE', False)
+        if create_issue:
+            # TODO we should fill in the issue with more details
+            return [self.db.issue.create(title=title)]
+        return None
+
+    def get_pr_details(self):
+        """
+        Extract pull request number and title.
+        """
+        number = self.data['pull_request']['number']
+        title = self.data['pull_request']['title'].encode('utf-8')
+        return str(number), title
+
+
+    def get_github_username(self):
+        """
+        Extract github username from a pull request.
+        """
+        return self.data['pull_request']['user']['login'].encode('utf-8')
diff --git a/share/roundup/templates/classic/detectors/pull_request.py b/share/roundup/templates/classic/detectors/pull_request.py
new file mode 100644
--- /dev/null
+++ b/share/roundup/templates/classic/detectors/pull_request.py
@@ -0,0 +1,69 @@
+# Auditor for GitHub URLs
+# Check if it is a valid GitHub Pull Request URL and extract PR number
+
+import re
+
+
+repo_number_re = re.compile(r'^#?(?P<number>\d+)$')
+url_re = re.compile(r'(https?:\\)?github\.com/python/cpython/pull/(?P<number>\d+)')
+
+def validate_pr_uniqueness(db, cl, nodeid, newvalues):
+    """
+    Verifies if newly added PR isn't already attached to an issue.
+    This process is a 2-level action, first a pull_request object is created, which
+    goes through validate_pr_number to extract the PR number in case an URL is passed,
+    only then we validate PR uniqueness within a single issue.
+    """
+    newprs = set(newvalues.get('pull_requests',()))
+    if not newprs:
+        return
+    oldprs = set()
+    if nodeid:
+        # if this is an existing issue, get the list of existing prs
+        oldprs = set(db.issue.get(nodeid, 'pull_requests'))
+        newprs -= oldprs
+    try:
+        # get the newly created PR number
+        number = db.pull_request.get(newprs.pop(), 'number')
+    except KeyError:
+        return
+    # and compare with those already attached to an issue
+    for oldpr in oldprs:
+        oldnumber = db.pull_request.get(oldpr, 'number')
+        if number == oldnumber:
+            raise ValueError("GitHub PR already added to issue")
+
+def validate_pr_number(db, cl, nodeid, newvalues):
+    try:
+        number = extract_number(newvalues['number'])
+        if number:
+            newvalues['number'] = number
+    except KeyError:
+        pass
+
+def extract_number(input):
+    """
+    Extracts PR number from the following forms:
+    - #number
+    - number
+    - full url
+    and returns its number.
+    """
+    # try matching just the number
+    repo_number_match = repo_number_re.search(input)
+    if repo_number_match:
+        return repo_number_match.group('number')
+    # fallback to parsing the entire url
+    url_match = url_re.search(input)
+    if url_match:
+        return url_match.group('number')
+    # if nothing else raise error
+    raise ValueError("Unknown PR format, acceptable formats are: "
+                     "full github URL, #pr_number, pr_number")
+
+
+def init(db):
+    db.issue.audit('create', validate_pr_uniqueness)
+    db.issue.audit('set', validate_pr_uniqueness)
+    db.pull_request.audit('create', validate_pr_number)
+    db.pull_request.audit('set', validate_pr_number)
diff --git a/share/roundup/templates/classic/schema.py b/share/roundup/templates/classic/schema.py
--- a/share/roundup/templates/classic/schema.py
+++ b/share/roundup/templates/classic/schema.py
@@ -45,7 +45,8 @@
                 alternate_addresses=String(),
                 queries=Multilink('query'),
                 roles=String(),     # comma-separated string of Role names
-                timezone=String())
+                timezone=String(),
+                github=String())
 user.setkey("username")
 db.security.addPermission(name='Register', klass='user',
                           description='User is allowed to register new user')
@@ -65,6 +66,12 @@
 file = FileClass(db, "file",
                 name=String())
 
+pull_request = Class(db, "pull_request",
+                     number=String(),
+                     title=String(),
+                     )
+pull_request.setlabelprop('id')
+
 # IssueClass automatically gets these properties in addition to the Class ones:
 #   title = String()
 #   messages = Multilink("msg")
@@ -75,7 +82,8 @@
                 assignedto=Link("user"),
                 keyword=Multilink("keyword"),
                 priority=Link("priority"),
-                status=Link("status"))
+                status=Link("status"),
+                pull_requests=Multilink('pull_request'))
 
 #
 # TRACKER SECURITY SETTINGS
@@ -92,7 +100,7 @@
 
 # Assign the access and edit Permissions for issue, file and message
 # to regular users now
-for cl in 'issue', 'file', 'msg', 'keyword':
+for cl in 'issue', 'file', 'msg', 'keyword', 'pull_request':
     db.security.addPermissionToRole('User', 'View', cl)
     db.security.addPermissionToRole('User', 'Edit', cl)
     db.security.addPermissionToRole('User', 'Create', cl)
@@ -101,7 +109,7 @@
 
 # May users view other user information? Comment these lines out
 # if you don't want them to
-p = db.security.addPermission(name='View', klass='user', 
+p = db.security.addPermission(name='View', klass='user',
     properties=('id', 'organisation', 'phone', 'realname', 'timezone',
     'username'))
 db.security.addPermissionToRole('User', p)
@@ -167,7 +175,7 @@
 
 # Allow anonymous users access to view issues (and the related, linked
 # information)
-for cl in 'issue', 'file', 'msg', 'keyword', 'priority', 'status':
+for cl in 'issue', 'file', 'msg', 'keyword', 'priority', 'status', 'pull_request':
     db.security.addPermissionToRole('Anonymous', 'View', cl)
 
 # [OPTIONAL]
diff --git a/test/data/no-github-event-header.txt b/test/data/no-github-event-header.txt
new file mode 100644
--- /dev/null
+++ b/test/data/no-github-event-header.txt
@@ -0,0 +1,7 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Delivery: 94a54100-20e0-11e6-8756-bf8bf3b91449
+content-type: application/json
+X-Hub-Signature: sha1=ffda9754ba91e91ec414c2308bd25cd151c69960
diff --git a/test/data/non-json-body.txt b/test/data/non-json-body.txt
new file mode 100644
--- /dev/null
+++ b/test/data/non-json-body.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: event
+X-GitHub-Delivery: 94a54100-20e0-11e6-8756-bf8bf3b91449
+content-type: application/x-www-form-urlencoded
+X-Hub-Signature: sha1=06b5c520cacd3cc8828dbf71622659527e0bfc50
+Content-Length: 11
+
+hello:world
diff --git a/test/data/pingevent.txt b/test/data/pingevent.txt
new file mode 100644
--- /dev/null
+++ b/test/data/pingevent.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: ping
+X-GitHub-Delivery: 94a54100-20e0-11e6-8756-bf8bf3b91449
+content-type: application/json
+X-Hub-Signature: sha1=95df171f2551526018324c407deed0b4b58a4126
+Content-Length: 6007
+
+{"zen":"Mind your words, they are important.","hook_id":8488302,"hook":{"type":"Repository","id":8488302,"name":"web","active":true,"events":["issue_comment","pull_request"],"config":{"content_type":"json","insecure_ssl":"0","secret":"********","url":"http://90dedf29.ngrok.io/python-dev/github_pullrequest_url"},"updated_at":"2016-05-23T12:19:22Z","created_at":"2016-05-23T12:19:22Z","url":"https://api.github.com/repos/python/cpython/hooks/8488302","test_url":"https://api.github.com/repos/python/cpython/hooks/8488302/test","ping_url":"https://api.github.com/repos/python/cpython/hooks/8488302/pings","last_response":{"code":null,"status":"unused","message":null}},"repository":{"id":59477756,"name":"cpython","full_name":"python/cpython","owner":{"login":"python","id":3175743,"avatar_url":"https://avatars.githubusercontent.com/u/3175743?v=3","gravatar_id":"","url":"https://api.github.com/users/python","html_url":"https://github.com/python","followers_url":"https://api.github.com/u
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diff --git a/test/data/pullrequestcommentevent.txt b/test/data/pullrequestcommentevent.txt
new file mode 100644
--- /dev/null
+++ b/test/data/pullrequestcommentevent.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: pull_request_review_comment
+X-GitHub-Delivery: c6d12700-270e-11e6-86c5-8e9c9c898175
+content-type: application/json
+X-Hub-Signature: sha1=123a3b255c0411447e4493ed98851801b88a3882
+Content-Length: 20671
+
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diff --git a/test/test_pull_request.py b/test/test_pull_request.py
new file mode 100644
--- /dev/null
+++ b/test/test_pull_request.py
@@ -0,0 +1,222 @@
+import unittest
+import os
+import db_test_base
+import cgi
+from BaseHTTPServer import BaseHTTPRequestHandler
+from StringIO import StringIO
+from roundup.cgi import client
+from roundup.backends import list_backends
+from roundup.pull_request import GitHubHandler
+from roundup.exceptions import *
+
+NEEDS_INSTANCE = 1
+
+
+class HTTPRequest(BaseHTTPRequestHandler):
+    def __init__(self, filename):
+        path = os.path.dirname(os.path.abspath(__file__)) + "/data/" + filename
+        request_file = open(path, 'r')
+        request_text = request_file.read()
+        request_file.close()
+        self.rfile = StringIO(request_text)
+        self.raw_requestline = self.rfile.readline()
+        self.error_code = self.error_message = None
+        self.parse_request()
+
+
+class TestCase(unittest.TestCase):
+
+    backend = None
+
+    def setUp(self):
+        # instance
+        self.dirname = '_test_pull_request'
+        self.instance = db_test_base.setupTracker(self.dirname, self.backend)
+        self.env = {
+            'PATH_INFO': 'http://localhost/pull_request',
+            'HTTP_HOST': 'localhost',
+            'TRACKER_NAME': 'test',
+            'REQUEST_METHOD': 'POST',
+            'CONTENT_TYPE': 'application/json'
+        }
+        os.environ['SECRET_KEY'] = "abcd"
+        os.environ['CREATE_ISSUE'] = 'yes'
+
+    def _make_client(self, filename):
+        request = HTTPRequest(filename)
+        form = cgi.FieldStorage(fp=request.rfile, environ=self.env,
+                                headers=request.headers)
+        dummy_client = client.Client(self.instance, request, self.env, form)
+        dummy_client.opendb("anonymous")
+        self.db = dummy_client.db
+        self.db.issue.create(title="Hello")
+        return dummy_client
+
+    def testMissingSecretKey(self):
+        os.environ.pop('SECRET_KEY')
+        dummy_client = self._make_client("pingevent.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "Invalid Request")
+
+    def testMissingGitHubEventHeader(self):
+        dummy_client = self._make_client("no-github-event-header.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "Invalid Request")
+
+    def testNonJSONRequestBody(self):
+        dummy_client = self._make_client("non-json-body.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "Invalid Request")
+
+    def testSecretKey(self):
+        os.environ['SECRET_KEY'] = "1234"
+        dummy_client = self._make_client("pingevent.txt")
+        with self.assertRaises(Unauthorised) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "The provided secret does not match")
+
+    def testUnsupportedMediaType(self):
+        dummy_client = self._make_client("pingevent.txt")
+        dummy_client.env['CONTENT_TYPE'] = 'application/xml'
+        with self.assertRaises(UnsupportedMediaType) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "unsupported Content-Type application/xml")
+
+    def testMethodNotAllowed(self):
+        dummy_client = self._make_client("pingevent.txt")
+        dummy_client.env['REQUEST_METHOD'] = 'GET'
+        with self.assertRaises(MethodNotAllowed) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+        self.assertEqual(str(context.exception),
+                         "unsupported HTTP method GET")
+
+    def testPingEvent(self):
+        dummy_client = self._make_client("pingevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 0)
+
+    def testPullRequestCommentEvent(self):
+        dummy_client = self._make_client("pullrequestcommentevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '4')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestEventForTitle(self):
+        # When the title of a PR has string "fixes bpo123"
+        dummy_client = self._make_client("pullrequestevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '11')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestEventForBody(self):
+        # When the body of a PR has string "fixes bpo123"
+        dummy_client = self._make_client("pullrequestevent1.txt")
+        self.db.user.create(username="anish.shah", github="AnishShah")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '3')
+        title = self.db.pull_request.get(prs[0], 'title')
+        self.assertEqual(title, 'Created using GitHub API')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'github'), 'AnishShah')
+
+    def testPullRequestEventForMultipleIssueReferenceInTitle(self):
+        dummy_client = self._make_client("pullrequestevent3.txt")
+        self.db.issue.create(title="Python")
+        self.db.issue.create(title="CPython")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        for i in range(1, 4):
+            prs = self.db.issue.get(str(i), 'pull_requests')
+            self.assertTrue(len(prs) == 1)
+            number = self.db.pull_request.get(prs[0], 'number')
+            self.assertEqual(number, '13')
+            title = self.db.pull_request.get(prs[0], 'title')
+            self.assertEqual(title, 'fixes bpo1, bpo2, bpo3')
+
+    def testPullRequestEventForMultipleIssueReferenceInBody(self):
+        dummy_client = self._make_client("pullrequestevent4.txt")
+        self.db.issue.create(title="Python")
+        self.db.issue.create(title="CPython")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        for i in range(1, 4):
+            prs = self.db.issue.get(str(i), 'pull_requests')
+            self.assertTrue(len(prs) == 1)
+            number = self.db.pull_request.get(prs[0], 'number')
+            self.assertEqual(number, '14')
+            title = self.db.pull_request.get(prs[0], 'title')
+            self.assertEqual(title, 'update .gitignore')
+
+    def testPullRequestEventWithoutIssueReference(self):
+        # When no issue is referenced in PR and environment variable is set
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 2)
+        user_id = self.db.issue.get('2', 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestFromGitHubUserWithoutIssueReference(self):
+        # When no issue is referenced in PR and environment variable is set
+        # and Github field of b.p.o user is set
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.db.user.create(username="anish.shah", github="AnishShah")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 2)
+        user_id = self.db.issue.get('2', 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anish.shah')
+
+    def testPullRequestEventWithoutIssueReferenceAndEnvVariable(self):
+        # When no issue is referenced in PR and no environment variable is set
+        os.environ.pop('CREATE_ISSUE')
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 1)
+
+
+def test_suite():
+    suite = unittest.TestSuite()
+    for l in list_backends():
+        dct = dict(backend=l)
+        subcls = type(TestCase)('TestCase_%s' % l, (TestCase,), dct)
+        suite.addTest(unittest.makeSuite(subcls))
+    return suite
+
+if __name__ == '__main__':
+    runner = unittest.TextTestRunner()
+    unittest.main(testRunner=runner)

From metatracker at psf.upfronthosting.co.za  Sat Dec 17 16:43:56 2016
From: metatracker at psf.upfronthosting.co.za (Maciej Szulik)
Date: Sat, 17 Dec 2016 21:43:56 +0000
Subject: [Tracker-discuss] [issue589] Add GitHub PR to b.p.o issues using
 GitHub webhooks (depends on issue586)
In-Reply-To: <1464035377.63.0.520552418309.issue589@psf.upfronthosting.co.za>
Message-ID: <1482011036.04.0.347872382253.issue589@psf.upfronthosting.co.za>


Maciej Szulik added the comment:

Updated the patch even more, hopefully simplified and most importantly added more tests.

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue589>
_______________________________________________________
-------------- next part --------------
diff --git a/roundup/cgi/client.py b/roundup/cgi/client.py
--- a/roundup/cgi/client.py
+++ b/roundup/cgi/client.py
@@ -22,6 +22,7 @@
 from roundup.mailer import Mailer, MessageSendError, encode_quopri
 from roundup.cgi import accept_language
 from roundup import xmlrpc
+from roundup.pull_request import GitHubHandler
 
 from roundup.anypy.cookie_ import CookieError, BaseCookie, SimpleCookie, \
     get_cookie_date
@@ -378,6 +379,8 @@
         try:
             if self.path == 'xmlrpc':
                 self.handle_xmlrpc()
+            elif self.path == 'pull_request':
+                self.handle_pull_request()
             else:
                 self.inner_main()
         finally:
@@ -385,6 +388,34 @@
                 self.db.close()
 
 
+    def handle_pull_request(self):
+        # Set the charset and language, since other parts of
+        # Roundup may depend upon that.
+        self.determine_charset()
+        self.determine_language()
+        # Open the database as the correct user.
+        self.determine_user()
+        self.check_anonymous_access()
+
+        try:
+            handler = GitHubHandler(self)
+            handler.dispatch()
+        except Unauthorised, err:
+            self.response_code = 403
+            self.write(err)
+        except UnsupportedMediaType, err:
+            self.response_code = 415
+            self.write(err)
+        except MethodNotAllowed, err:
+            self.response_code = 405
+            self.write(err)
+        except Reject, err:
+            self.response_code = 400
+            self.write(err)
+        else:
+            self.write("")
+
+
     def handle_xmlrpc(self):
         if self.env.get('CONTENT_TYPE') != 'text/xml':
             self.write("This is the endpoint of Roundup <a href='" +
@@ -1165,7 +1196,7 @@
         if name is None:
             name = 'home'
 
-        tplname = name     
+        tplname = name
         if view:
             tplname = '%s.%s' % (name, view)
 
diff --git a/roundup/exceptions.py b/roundup/exceptions.py
--- a/roundup/exceptions.py
+++ b/roundup/exceptions.py
@@ -21,6 +21,12 @@
     """
     pass
 
+class UnsupportedMediaType(Exception):
+    pass
+
+class MethodNotAllowed(Exception):
+    pass
+
 class UsageError(ValueError):
     pass
 
diff --git a/roundup/pull_request.py b/roundup/pull_request.py
new file mode 100644
--- /dev/null
+++ b/roundup/pull_request.py
@@ -0,0 +1,222 @@
+from roundup.exceptions import *
+
+import hashlib
+import hmac
+import json
+import re
+import os
+import logging
+
+
+if hasattr(hmac, 'compare_digest'):
+    compare_digest = hmac.compare_digest
+else:
+    def compare_digest(a, b):
+        return a == b
+
+url_re = re.compile(r'https://github.com/python/cpython/pull/(?P<number>\d+)')
+issue_re = re.compile(r'fixes\s+(?:bpo(\d+))(?:,\s*bpo(\d+))*', re.I)
+issue_id_re = re.compile(r'bpo(\d+)', re.I)
+
+class GitHubHandler:
+    """
+    GitHubHandler is responsible for parsing and serving all events coming
+    from GitHub. Details about GitHub webhooks can be found at:
+    https://developer.github.com/webhooks/
+    """
+
+    def __init__(self, client):
+        self.db = client.db
+        self.request = client.request
+        self.form = client.form
+        self.env = client.env
+
+    def dispatch(self):
+        try:
+            self.verify_request()
+            self.validate_webhook_secret()
+            self.extract()
+        except (Unauthorised, MethodNotAllowed, UnsupportedMediaType, Reject), err:
+            raise
+        except Exception, err:
+            logging.error(err, exc_info=True)
+            raise Reject()
+
+    def extract(self):
+        """
+        This method is responsible for extracting information from GitHub event
+        and decide what to do with it more. Currently it knows how to handle
+        pull requests and comments.
+        """
+        event = self.get_event()
+        # we're only handling PR-related events, all others just return OK, but
+        # no action is being performed on the bpo side
+        if event in ('pull_request', 'pull_request_review_comment'):
+            data = json.loads(self.form.value)
+            handler = PullRequest(self.db, data)
+            handler.dispatch()
+
+    def validate_webhook_secret(self):
+        """
+        Validates request signature against SECRET_KEY environment variable.
+        This verification is based on HMAC hex digest calculated from the sent
+        payload. The value of SECRET_KEY should be exactly the same as the one
+        configured in GitHub webhook secret field.
+        """
+        key = os.environ.get('SECRET_KEY')
+        if key is None:
+            logging.error('Missing SECRET_KEY environment variable set!')
+            raise Reject()
+        data = str(self.form.value)
+        signature = 'sha1=' + hmac.new(key, data,
+                                       hashlib.sha1).hexdigest()
+        header_signature = self.request.headers.get('X-Hub-Signature', '')
+        if not compare_digest(signature, header_signature):
+            raise Unauthorised()
+
+    def verify_request(self):
+        """
+        Verifies if request contains expected method, content type and event.
+        """
+        method = self.env.get('REQUEST_METHOD', None)
+        if method != 'POST':
+            raise MethodNotAllowed()
+        content_type = self.env.get('CONTENT_TYPE', None)
+        if content_type != 'application/json':
+            raise UnsupportedMediaType()
+        if self.get_event() is None:
+            raise Reject()
+
+    def get_event(self):
+        """
+        Extracts github event from header field.
+        """
+        return self.request.headers.get('X-GitHub-Event', None)
+
+
+class Event:
+    """
+    Event is base class for all GitHub events.
+    """
+
+    def handle_create(self, prid, title, issue_ids):
+        """
+        Helper method for linking GitHub pull request with an issue.
+        """
+        # search for an existing issue first
+        issue_exists = len(self.db.issue.filter(None, {'id': issue_ids})) == len(issue_ids)
+        if not issue_exists:
+            return
+        for issue_id in issue_ids:
+            # verify if this PR is already linked
+            prs = self.db.issue.get(issue_id, 'pull_requests')
+            if set(prs).intersection(self.db.pull_request.filter(None, {'number': prid})):
+                continue
+            # create a new link
+            if title:
+                newpr = self.db.pull_request.create(number=prid, title=title)
+            else:
+                newpr = self.db.pull_request.create(number=prid)
+            prs.append(newpr)
+            self.db.issue.set(issue_id, pull_requests=prs)
+            self.db.commit()
+
+    def handle_update(self, prid, title, issue_ids):
+        """
+        Helper method for updating GitHub pull request.
+        """
+        # update handles only title changes, for now
+        if not title:
+            return
+        # search for an existing issue first
+        issue_exists = len(self.db.issue.filter(None, {'id': issue_ids})) == len(issue_ids)
+        if not issue_exists:
+            return
+        for issue_id in issue_ids:
+            # verify if this PR is already linked
+            prs = self.db.issue.get(issue_id, 'pull_requests')
+            if set(prs).intersection(self.db.pull_request.filter(None, {'number': prid})):
+                for pr in prs:
+                    probj = self.db.pull_request.getnode(pr)
+                    # check if the number match and title did change, and only then update
+                    if probj.number == prid and probj.title != title:
+                        self.db.pull_request.set(probj.id, title=title)
+                        self.db.commit()
+            else:
+                self.handle_create(prid, title, [issue_id])
+
+    def get_issue_ids(self):
+        raise NotImplementedError
+
+    def get_pr_details(self):
+        raise NotImplementedError
+
+
+class PullRequest(Event):
+    """
+    Class responsible for handling pull request events.
+    """
+
+    def __init__(self, db, data):
+        self.db = db
+        self.data = data
+
+    def dispatch(self):
+        github_username = self.get_github_username()
+        user_id = self.db.user.filter(None, {'github': github_username})
+        # TODO set bpobot as userid when none is found
+        if len(user_id) == 1:
+            # TODO what if multiple bpo users have the same github username?
+            username = self.db.user.get(user_id[0], 'username')
+            self.db.setCurrentUser(username)
+        action = self.data.get('action', '').encode('utf-8')
+        issue_ids = self.get_issue_ids()
+        if issue_ids is None:
+            return
+        prid, title = self.get_pr_details()
+        if action in ('opened', 'created'):
+            self.handle_create(prid, title, issue_ids)
+        elif action == 'edited':
+            self.handle_update(prid, title, issue_ids)
+
+    def get_issue_ids(self):
+        """
+        Extract issue IDs from pull request comments.
+        """
+        pull_request = self.data.get('pull_request')
+        if pull_request is None:
+            raise Reject()
+        title = pull_request.get('title', '').encode('utf-8')
+        body = pull_request.get('body', '').encode('utf-8')
+        match = issue_re.search(body) or issue_re.search(title)
+        if match:
+            return issue_id_re.findall(match.group())
+        # no issue id found
+        create_issue = os.environ.get('CREATE_ISSUE', False)
+        if create_issue:
+            # TODO we should fill in the issue with more details
+            return [self.db.issue.create(title=title)]
+        return None
+
+    def get_pr_details(self):
+        """
+        Extract pull request number and title.
+        """
+        pull_request = self.data.get('pull_request')
+        if pull_request is None:
+            raise Reject()
+        number = pull_request.get('number', None)
+        if number is None:
+            raise Reject()
+        title = pull_request.get('title', '').encode('utf-8')
+        return str(number), title
+
+
+    def get_github_username(self):
+        """
+        Extract github username from a pull request.
+        """
+        pull_request = self.data.get('pull_request')
+        if pull_request is None:
+            raise Reject()
+        return pull_request.get('user', {}).get('login', '').encode('utf-8')
diff --git a/share/roundup/templates/classic/detectors/pull_request.py b/share/roundup/templates/classic/detectors/pull_request.py
new file mode 100644
--- /dev/null
+++ b/share/roundup/templates/classic/detectors/pull_request.py
@@ -0,0 +1,69 @@
+# Auditor for GitHub URLs
+# Check if it is a valid GitHub Pull Request URL and extract PR number
+
+import re
+
+
+repo_number_re = re.compile(r'^#?(?P<number>\d+)$')
+url_re = re.compile(r'(https?:\\)?github\.com/python/cpython/pull/(?P<number>\d+)')
+
+def validate_pr_uniqueness(db, cl, nodeid, newvalues):
+    """
+    Verifies if newly added PR isn't already attached to an issue.
+    This process is a 2-level action, first a pull_request object is created, which
+    goes through validate_pr_number to extract the PR number in case an URL is passed,
+    only then we validate PR uniqueness within a single issue.
+    """
+    newprs = set(newvalues.get('pull_requests',()))
+    if not newprs:
+        return
+    oldprs = set()
+    if nodeid:
+        # if this is an existing issue, get the list of existing prs
+        oldprs = set(db.issue.get(nodeid, 'pull_requests'))
+        newprs -= oldprs
+    try:
+        # get the newly created PR number
+        number = db.pull_request.get(newprs.pop(), 'number')
+    except KeyError:
+        return
+    # and compare with those already attached to an issue
+    for oldpr in oldprs:
+        oldnumber = db.pull_request.get(oldpr, 'number')
+        if number == oldnumber:
+            raise ValueError("GitHub PR already added to issue")
+
+def validate_pr_number(db, cl, nodeid, newvalues):
+    try:
+        number = extract_number(newvalues['number'])
+        if number:
+            newvalues['number'] = number
+    except KeyError:
+        pass
+
+def extract_number(input):
+    """
+    Extracts PR number from the following forms:
+    - #number
+    - number
+    - full url
+    and returns its number.
+    """
+    # try matching just the number
+    repo_number_match = repo_number_re.search(input)
+    if repo_number_match:
+        return repo_number_match.group('number')
+    # fallback to parsing the entire url
+    url_match = url_re.search(input)
+    if url_match:
+        return url_match.group('number')
+    # if nothing else raise error
+    raise ValueError("Unknown PR format, acceptable formats are: "
+                     "full github URL, #pr_number, pr_number")
+
+
+def init(db):
+    db.issue.audit('create', validate_pr_uniqueness)
+    db.issue.audit('set', validate_pr_uniqueness)
+    db.pull_request.audit('create', validate_pr_number)
+    db.pull_request.audit('set', validate_pr_number)
diff --git a/share/roundup/templates/classic/schema.py b/share/roundup/templates/classic/schema.py
--- a/share/roundup/templates/classic/schema.py
+++ b/share/roundup/templates/classic/schema.py
@@ -45,7 +45,8 @@
                 alternate_addresses=String(),
                 queries=Multilink('query'),
                 roles=String(),     # comma-separated string of Role names
-                timezone=String())
+                timezone=String(),
+                github=String())
 user.setkey("username")
 db.security.addPermission(name='Register', klass='user',
                           description='User is allowed to register new user')
@@ -65,6 +66,12 @@
 file = FileClass(db, "file",
                 name=String())
 
+pull_request = Class(db, "pull_request",
+                     number=String(),
+                     title=String(),
+                     )
+pull_request.setlabelprop('id')
+
 # IssueClass automatically gets these properties in addition to the Class ones:
 #   title = String()
 #   messages = Multilink("msg")
@@ -75,7 +82,8 @@
                 assignedto=Link("user"),
                 keyword=Multilink("keyword"),
                 priority=Link("priority"),
-                status=Link("status"))
+                status=Link("status"),
+                pull_requests=Multilink('pull_request'))
 
 #
 # TRACKER SECURITY SETTINGS
@@ -92,7 +100,7 @@
 
 # Assign the access and edit Permissions for issue, file and message
 # to regular users now
-for cl in 'issue', 'file', 'msg', 'keyword':
+for cl in 'issue', 'file', 'msg', 'keyword', 'pull_request':
     db.security.addPermissionToRole('User', 'View', cl)
     db.security.addPermissionToRole('User', 'Edit', cl)
     db.security.addPermissionToRole('User', 'Create', cl)
@@ -101,7 +109,7 @@
 
 # May users view other user information? Comment these lines out
 # if you don't want them to
-p = db.security.addPermission(name='View', klass='user', 
+p = db.security.addPermission(name='View', klass='user',
     properties=('id', 'organisation', 'phone', 'realname', 'timezone',
     'username'))
 db.security.addPermissionToRole('User', p)
@@ -167,7 +175,7 @@
 
 # Allow anonymous users access to view issues (and the related, linked
 # information)
-for cl in 'issue', 'file', 'msg', 'keyword', 'priority', 'status':
+for cl in 'issue', 'file', 'msg', 'keyword', 'priority', 'status', 'pull_request':
     db.security.addPermissionToRole('Anonymous', 'View', cl)
 
 # [OPTIONAL]
diff --git a/test/data/no-github-event-header.txt b/test/data/no-github-event-header.txt
new file mode 100644
--- /dev/null
+++ b/test/data/no-github-event-header.txt
@@ -0,0 +1,7 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Delivery: 94a54100-20e0-11e6-8756-bf8bf3b91449
+content-type: application/json
+X-Hub-Signature: sha1=ffda9754ba91e91ec414c2308bd25cd151c69960
diff --git a/test/data/non-json-body.txt b/test/data/non-json-body.txt
new file mode 100644
--- /dev/null
+++ b/test/data/non-json-body.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: pull_request
+X-GitHub-Delivery: 94a54100-20e0-11e6-8756-bf8bf3b91449
+content-type: application/x-www-form-urlencoded
+X-Hub-Signature: sha1=06b5c520cacd3cc8828dbf71622659527e0bfc50
+Content-Length: 11
+
+hello:world
diff --git a/test/data/pingevent.txt b/test/data/pingevent.txt
new file mode 100644
--- /dev/null
+++ b/test/data/pingevent.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: ping
+X-GitHub-Delivery: 94a54100-20e0-11e6-8756-bf8bf3b91449
+content-type: application/json
+X-Hub-Signature: sha1=95df171f2551526018324c407deed0b4b58a4126
+Content-Length: 6007
+
+{"zen":"Mind your words, they are important.","hook_id":8488302,"hook":{"type":"Repository","id":8488302,"name":"web","active":true,"events":["issue_comment","pull_request"],"config":{"content_type":"json","insecure_ssl":"0","secret":"********","url":"http://90dedf29.ngrok.io/python-dev/github_pullrequest_url"},"updated_at":"2016-05-23T12:19:22Z","created_at":"2016-05-23T12:19:22Z","url":"https://api.github.com/repos/python/cpython/hooks/8488302","test_url":"https://api.github.com/repos/python/cpython/hooks/8488302/test","ping_url":"https://api.github.com/repos/python/cpython/hooks/8488302/pings","last_response":{"code":null,"status":"unused","message":null}},"repository":{"id":59477756,"name":"cpython","full_name":"python/cpython","owner":{"login":"python","id":3175743,"avatar_url":"https://avatars.githubusercontent.com/u/3175743?v=3","gravatar_id":"","url":"https://api.github.com/users/python","html_url":"https://github.com/python","followers_url":"https://api.github.com/u
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diff --git a/test/data/pullrequestcommentevent.txt b/test/data/pullrequestcommentevent.txt
new file mode 100644
--- /dev/null
+++ b/test/data/pullrequestcommentevent.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: pull_request_review_comment
+X-GitHub-Delivery: c6d12700-270e-11e6-86c5-8e9c9c898175
+content-type: application/json
+X-Hub-Signature: sha1=123a3b255c0411447e4493ed98851801b88a3882
+Content-Length: 20671
+
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 os/python/cpython/compare/{base}...{head}","merges_url":"https://api.github.com/repos/python/cpython/merges","archive_url":"https://api.github.com/repos/python/cpython/{archive_format}{/ref}","downloads_url":"https://api.github.com/repos/python/cpython/downloads","issues_url":"https://api.github.com/repos/python/cpython/issues{/number}","pulls_url":"https://api.github.com/repos/python/cpython/pulls{/number}","milestones_url":"https://api.github.com/repos/python/cpython/milestones{/number}","notifications_url":"https://api.github.com/repos/python/cpython/notifications{?since,all,participating}","labels_url":"https://api.github.com/repos/python/cpython/labels{/name}","releases_url":"https://api.github.com/repos/python/cpython/releases{/id}","deployments_url":"https://api.github.com/repos/python/cpython/deployments","created_at":"2016-05-23T11:39:11Z","updated_at":"2016-05-23T11:39:38Z","pushed_at":"2016-08-09T18:10:42Z","git_url":"git://github.com/python/cpython.git","ssh_url"
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diff --git a/test/test_pull_request.py b/test/test_pull_request.py
new file mode 100644
--- /dev/null
+++ b/test/test_pull_request.py
@@ -0,0 +1,231 @@
+import unittest
+import os
+import db_test_base
+import cgi
+from BaseHTTPServer import BaseHTTPRequestHandler
+from StringIO import StringIO
+from roundup.cgi import client
+from roundup.backends import list_backends
+from roundup.pull_request import GitHubHandler
+from roundup.exceptions import *
+
+NEEDS_INSTANCE = 1
+
+
+class HTTPRequest(BaseHTTPRequestHandler):
+    def __init__(self, filename):
+        path = os.path.dirname(os.path.abspath(__file__)) + "/data/" + filename
+        request_file = open(path, 'r')
+        request_text = request_file.read()
+        request_file.close()
+        self.rfile = StringIO(request_text)
+        self.raw_requestline = self.rfile.readline()
+        self.error_code = self.error_message = None
+        self.parse_request()
+
+
+class TestCase(unittest.TestCase):
+
+    backend = None
+
+    def setUp(self):
+        # instance
+        self.dirname = '_test_pull_request'
+        self.instance = db_test_base.setupTracker(self.dirname, self.backend)
+        self.env = {
+            'PATH_INFO': 'http://localhost/pull_request',
+            'HTTP_HOST': 'localhost',
+            'TRACKER_NAME': 'test',
+            'REQUEST_METHOD': 'POST',
+            'CONTENT_TYPE': 'application/json'
+        }
+        os.environ['SECRET_KEY'] = "abcd"
+        os.environ['CREATE_ISSUE'] = 'yes'
+
+    def _make_client(self, filename):
+        request = HTTPRequest(filename)
+        form = cgi.FieldStorage(fp=request.rfile, environ=self.env,
+                                headers=request.headers)
+        dummy_client = client.Client(self.instance, request, self.env, form)
+        dummy_client.opendb("anonymous")
+        self.db = dummy_client.db
+        self.db.issue.create(title="Hello")
+        return dummy_client
+
+    def testMissingSecretKey(self):
+        os.environ.pop('SECRET_KEY')
+        dummy_client = self._make_client("pingevent.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testMissingGitHubEventHeader(self):
+        dummy_client = self._make_client("no-github-event-header.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testNonJSONRequestBody(self):
+        dummy_client = self._make_client("non-json-body.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testSecretKey(self):
+        os.environ['SECRET_KEY'] = "1234"
+        dummy_client = self._make_client("pingevent.txt")
+        with self.assertRaises(Unauthorised) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testUnsupportedMediaType(self):
+        dummy_client = self._make_client("pingevent.txt")
+        dummy_client.env['CONTENT_TYPE'] = 'application/xml'
+        with self.assertRaises(UnsupportedMediaType) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testMethodNotAllowed(self):
+        dummy_client = self._make_client("pingevent.txt")
+        dummy_client.env['REQUEST_METHOD'] = 'GET'
+        with self.assertRaises(MethodNotAllowed) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testPingEvent(self):
+        dummy_client = self._make_client("pingevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 0)
+
+    def testPullRequestCommentEvent(self):
+        dummy_client = self._make_client("pullrequestcommentevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '4')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestEventMalformed1(self):
+        # empty body
+        dummy_client = self._make_client("pullrequestmalformed1.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testPullRequestEventMalformed2(self):
+        # missing pull_request element
+        dummy_client = self._make_client("pullrequestmalformed2.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testPullRequestEventMalformed3(self):
+        # missing pull_request element
+        dummy_client = self._make_client("pullrequestmalformed3.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testPullRequestEventForTitle(self):
+        # When the title of a PR has string "fixes bpo123"
+        dummy_client = self._make_client("pullrequestevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '11')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestEventForBody(self):
+        # When the body of a PR has string "fixes bpo123"
+        dummy_client = self._make_client("pullrequestevent1.txt")
+        self.db.user.create(username="anish.shah", github="AnishShah")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '3')
+        title = self.db.pull_request.get(prs[0], 'title')
+        self.assertEqual(title, 'Created using GitHub API')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'github'), 'AnishShah')
+
+    def testPullRequestEventForMultipleIssueReferenceInTitle(self):
+        dummy_client = self._make_client("pullrequestevent3.txt")
+        self.db.issue.create(title="Python")
+        self.db.issue.create(title="CPython")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        for i in range(1, 4):
+            prs = self.db.issue.get(str(i), 'pull_requests')
+            self.assertTrue(len(prs) == 1)
+            number = self.db.pull_request.get(prs[0], 'number')
+            self.assertEqual(number, '13')
+            title = self.db.pull_request.get(prs[0], 'title')
+            self.assertEqual(title, 'fixes bpo1, bpo2, bpo3')
+
+    def testPullRequestEventForMultipleIssueReferenceInBody(self):
+        dummy_client = self._make_client("pullrequestevent4.txt")
+        self.db.issue.create(title="Python")
+        self.db.issue.create(title="CPython")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        for i in range(1, 4):
+            prs = self.db.issue.get(str(i), 'pull_requests')
+            self.assertTrue(len(prs) == 1)
+            number = self.db.pull_request.get(prs[0], 'number')
+            self.assertEqual(number, '14')
+            title = self.db.pull_request.get(prs[0], 'title')
+            self.assertEqual(title, 'update .gitignore')
+
+    def testPullRequestEventWithoutIssueReference(self):
+        # When no issue is referenced in PR and environment variable is set
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 2)
+        user_id = self.db.issue.get('2', 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestFromGitHubUserWithoutIssueReference(self):
+        # When no issue is referenced in PR and environment variable is set
+        # and Github field of b.p.o user is set
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.db.user.create(username="anish.shah", github="AnishShah")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 2)
+        user_id = self.db.issue.get('2', 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anish.shah')
+
+    def testPullRequestEventWithoutIssueReferenceAndEnvVariable(self):
+        # When no issue is referenced in PR and no environment variable is set
+        os.environ.pop('CREATE_ISSUE')
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 1)
+
+
+def test_suite():
+    suite = unittest.TestSuite()
+    for l in list_backends():
+        dct = dict(backend=l)
+        subcls = type(TestCase)('TestCase_%s' % l, (TestCase,), dct)
+        suite.addTest(unittest.makeSuite(subcls))
+    return suite
+
+if __name__ == '__main__':
+    runner = unittest.TextTestRunner()
+    unittest.main(testRunner=runner)

From metatracker at psf.upfronthosting.co.za  Mon Dec 19 23:21:39 2016
From: metatracker at psf.upfronthosting.co.za (Brett C.)
Date: Tue, 20 Dec 2016 04:21:39 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
Message-ID: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>


New submission from Brett C.:

The GitHub mirror is currently at length 10, but git will grow the minimum length as necessary to guarantee uniqueness, so might as well support 11 characters now.

----------
messages: 3211
nosy: brett.cannon
priority: feature
status: unread
title: Hyperlink git hashes of 10 or 11 characters

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue610>
_______________________________________________________

From metatracker at psf.upfronthosting.co.za  Tue Dec 20 00:34:58 2016
From: metatracker at psf.upfronthosting.co.za (Anish Shah)
Date: Tue, 20 Dec 2016 05:34:58 +0000
Subject: [Tracker-discuss] [issue589] Add GitHub PR to b.p.o issues using
 GitHub webhooks (depends on issue586)
In-Reply-To: <1482011036.04.0.347872382253.issue589@psf.upfronthosting.co.za>
Message-ID: <CAOqj4aVUTFp4Obu48638BUgy50EaC24r3ThnF4PgLczgXM-K_w@mail.gmail.com>


Anish Shah added the comment:

I tested the latest patch on the my repository and it is working properly.
:)

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue589>
_______________________________________________________

From metatracker at psf.upfronthosting.co.za  Wed Dec 21 16:14:29 2016
From: metatracker at psf.upfronthosting.co.za (Maciej Szulik)
Date: Wed, 21 Dec 2016 21:14:29 +0000
Subject: [Tracker-discuss] [issue589] Add GitHub PR to b.p.o issues using
 GitHub webhooks (depends on issue586)
In-Reply-To: <1464035377.63.0.520552418309.issue589@psf.upfronthosting.co.za>
Message-ID: <1482354869.48.0.0061015228458.issue589@psf.upfronthosting.co.za>


Maciej Szulik added the comment:

Ups, my previous patch didn't have pullrequestmalformed* data files included. Updated.

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue589>
_______________________________________________________
-------------- next part --------------
diff --git a/roundup/cgi/client.py b/roundup/cgi/client.py
--- a/roundup/cgi/client.py
+++ b/roundup/cgi/client.py
@@ -22,6 +22,7 @@
 from roundup.mailer import Mailer, MessageSendError, encode_quopri
 from roundup.cgi import accept_language
 from roundup import xmlrpc
+from roundup.pull_request import GitHubHandler
 
 from roundup.anypy.cookie_ import CookieError, BaseCookie, SimpleCookie, \
     get_cookie_date
@@ -378,6 +379,8 @@
         try:
             if self.path == 'xmlrpc':
                 self.handle_xmlrpc()
+            elif self.path == 'pull_request':
+                self.handle_pull_request()
             else:
                 self.inner_main()
         finally:
@@ -385,6 +388,34 @@
                 self.db.close()
 
 
+    def handle_pull_request(self):
+        # Set the charset and language, since other parts of
+        # Roundup may depend upon that.
+        self.determine_charset()
+        self.determine_language()
+        # Open the database as the correct user.
+        self.determine_user()
+        self.check_anonymous_access()
+
+        try:
+            handler = GitHubHandler(self)
+            handler.dispatch()
+        except Unauthorised, err:
+            self.response_code = 403
+            self.write(err)
+        except UnsupportedMediaType, err:
+            self.response_code = 415
+            self.write(err)
+        except MethodNotAllowed, err:
+            self.response_code = 405
+            self.write(err)
+        except Reject, err:
+            self.response_code = 400
+            self.write(err)
+        else:
+            self.write("")
+
+
     def handle_xmlrpc(self):
         if self.env.get('CONTENT_TYPE') != 'text/xml':
             self.write("This is the endpoint of Roundup <a href='" +
@@ -1165,7 +1196,7 @@
         if name is None:
             name = 'home'
 
-        tplname = name     
+        tplname = name
         if view:
             tplname = '%s.%s' % (name, view)
 
diff --git a/roundup/exceptions.py b/roundup/exceptions.py
--- a/roundup/exceptions.py
+++ b/roundup/exceptions.py
@@ -21,6 +21,12 @@
     """
     pass
 
+class UnsupportedMediaType(Exception):
+    pass
+
+class MethodNotAllowed(Exception):
+    pass
+
 class UsageError(ValueError):
     pass
 
diff --git a/roundup/pull_request.py b/roundup/pull_request.py
new file mode 100644
--- /dev/null
+++ b/roundup/pull_request.py
@@ -0,0 +1,222 @@
+from roundup.exceptions import *
+
+import hashlib
+import hmac
+import json
+import re
+import os
+import logging
+
+
+if hasattr(hmac, 'compare_digest'):
+    compare_digest = hmac.compare_digest
+else:
+    def compare_digest(a, b):
+        return a == b
+
+url_re = re.compile(r'https://github.com/python/cpython/pull/(?P<number>\d+)')
+issue_re = re.compile(r'fixes\s+(?:bpo(\d+))(?:,\s*bpo(\d+))*', re.I)
+issue_id_re = re.compile(r'bpo(\d+)', re.I)
+
+class GitHubHandler:
+    """
+    GitHubHandler is responsible for parsing and serving all events coming
+    from GitHub. Details about GitHub webhooks can be found at:
+    https://developer.github.com/webhooks/
+    """
+
+    def __init__(self, client):
+        self.db = client.db
+        self.request = client.request
+        self.form = client.form
+        self.env = client.env
+
+    def dispatch(self):
+        try:
+            self.verify_request()
+            self.validate_webhook_secret()
+            self.extract()
+        except (Unauthorised, MethodNotAllowed, UnsupportedMediaType, Reject), err:
+            raise
+        except Exception, err:
+            logging.error(err, exc_info=True)
+            raise Reject()
+
+    def extract(self):
+        """
+        This method is responsible for extracting information from GitHub event
+        and decide what to do with it more. Currently it knows how to handle
+        pull requests and comments.
+        """
+        event = self.get_event()
+        # we're only handling PR-related events, all others just return OK, but
+        # no action is being performed on the bpo side
+        if event in ('pull_request', 'pull_request_review_comment'):
+            data = json.loads(self.form.value)
+            handler = PullRequest(self.db, data)
+            handler.dispatch()
+
+    def validate_webhook_secret(self):
+        """
+        Validates request signature against SECRET_KEY environment variable.
+        This verification is based on HMAC hex digest calculated from the sent
+        payload. The value of SECRET_KEY should be exactly the same as the one
+        configured in GitHub webhook secret field.
+        """
+        key = os.environ.get('SECRET_KEY')
+        if key is None:
+            logging.error('Missing SECRET_KEY environment variable set!')
+            raise Reject()
+        data = str(self.form.value)
+        signature = 'sha1=' + hmac.new(key, data,
+                                       hashlib.sha1).hexdigest()
+        header_signature = self.request.headers.get('X-Hub-Signature', '')
+        if not compare_digest(signature, header_signature):
+            raise Unauthorised()
+
+    def verify_request(self):
+        """
+        Verifies if request contains expected method, content type and event.
+        """
+        method = self.env.get('REQUEST_METHOD', None)
+        if method != 'POST':
+            raise MethodNotAllowed()
+        content_type = self.env.get('CONTENT_TYPE', None)
+        if content_type != 'application/json':
+            raise UnsupportedMediaType()
+        if self.get_event() is None:
+            raise Reject()
+
+    def get_event(self):
+        """
+        Extracts github event from header field.
+        """
+        return self.request.headers.get('X-GitHub-Event', None)
+
+
+class Event:
+    """
+    Event is base class for all GitHub events.
+    """
+
+    def handle_create(self, prid, title, issue_ids):
+        """
+        Helper method for linking GitHub pull request with an issue.
+        """
+        # search for an existing issue first
+        issue_exists = len(self.db.issue.filter(None, {'id': issue_ids})) == len(issue_ids)
+        if not issue_exists:
+            return
+        for issue_id in issue_ids:
+            # verify if this PR is already linked
+            prs = self.db.issue.get(issue_id, 'pull_requests')
+            if set(prs).intersection(self.db.pull_request.filter(None, {'number': prid})):
+                continue
+            # create a new link
+            if title:
+                newpr = self.db.pull_request.create(number=prid, title=title)
+            else:
+                newpr = self.db.pull_request.create(number=prid)
+            prs.append(newpr)
+            self.db.issue.set(issue_id, pull_requests=prs)
+            self.db.commit()
+
+    def handle_update(self, prid, title, issue_ids):
+        """
+        Helper method for updating GitHub pull request.
+        """
+        # update handles only title changes, for now
+        if not title:
+            return
+        # search for an existing issue first
+        issue_exists = len(self.db.issue.filter(None, {'id': issue_ids})) == len(issue_ids)
+        if not issue_exists:
+            return
+        for issue_id in issue_ids:
+            # verify if this PR is already linked
+            prs = self.db.issue.get(issue_id, 'pull_requests')
+            if set(prs).intersection(self.db.pull_request.filter(None, {'number': prid})):
+                for pr in prs:
+                    probj = self.db.pull_request.getnode(pr)
+                    # check if the number match and title did change, and only then update
+                    if probj.number == prid and probj.title != title:
+                        self.db.pull_request.set(probj.id, title=title)
+                        self.db.commit()
+            else:
+                self.handle_create(prid, title, [issue_id])
+
+    def get_issue_ids(self):
+        raise NotImplementedError
+
+    def get_pr_details(self):
+        raise NotImplementedError
+
+
+class PullRequest(Event):
+    """
+    Class responsible for handling pull request events.
+    """
+
+    def __init__(self, db, data):
+        self.db = db
+        self.data = data
+
+    def dispatch(self):
+        github_username = self.get_github_username()
+        user_id = self.db.user.filter(None, {'github': github_username})
+        # TODO set bpobot as userid when none is found
+        if len(user_id) == 1:
+            # TODO what if multiple bpo users have the same github username?
+            username = self.db.user.get(user_id[0], 'username')
+            self.db.setCurrentUser(username)
+        action = self.data.get('action', '').encode('utf-8')
+        issue_ids = self.get_issue_ids()
+        if issue_ids is None:
+            return
+        prid, title = self.get_pr_details()
+        if action in ('opened', 'created'):
+            self.handle_create(prid, title, issue_ids)
+        elif action == 'edited':
+            self.handle_update(prid, title, issue_ids)
+
+    def get_issue_ids(self):
+        """
+        Extract issue IDs from pull request comments.
+        """
+        pull_request = self.data.get('pull_request')
+        if pull_request is None:
+            raise Reject()
+        title = pull_request.get('title', '').encode('utf-8')
+        body = pull_request.get('body', '').encode('utf-8')
+        match = issue_re.search(body) or issue_re.search(title)
+        if match:
+            return issue_id_re.findall(match.group())
+        # no issue id found
+        create_issue = os.environ.get('CREATE_ISSUE', False)
+        if create_issue:
+            # TODO we should fill in the issue with more details
+            return [self.db.issue.create(title=title)]
+        return None
+
+    def get_pr_details(self):
+        """
+        Extract pull request number and title.
+        """
+        pull_request = self.data.get('pull_request')
+        if pull_request is None:
+            raise Reject()
+        number = pull_request.get('number', None)
+        if number is None:
+            raise Reject()
+        title = pull_request.get('title', '').encode('utf-8')
+        return str(number), title
+
+
+    def get_github_username(self):
+        """
+        Extract github username from a pull request.
+        """
+        pull_request = self.data.get('pull_request')
+        if pull_request is None:
+            raise Reject()
+        return pull_request.get('user', {}).get('login', '').encode('utf-8')
diff --git a/share/roundup/templates/classic/detectors/pull_request.py b/share/roundup/templates/classic/detectors/pull_request.py
new file mode 100644
--- /dev/null
+++ b/share/roundup/templates/classic/detectors/pull_request.py
@@ -0,0 +1,69 @@
+# Auditor for GitHub URLs
+# Check if it is a valid GitHub Pull Request URL and extract PR number
+
+import re
+
+
+repo_number_re = re.compile(r'^#?(?P<number>\d+)$')
+url_re = re.compile(r'(https?:\\)?github\.com/python/cpython/pull/(?P<number>\d+)')
+
+def validate_pr_uniqueness(db, cl, nodeid, newvalues):
+    """
+    Verifies if newly added PR isn't already attached to an issue.
+    This process is a 2-level action, first a pull_request object is created, which
+    goes through validate_pr_number to extract the PR number in case an URL is passed,
+    only then we validate PR uniqueness within a single issue.
+    """
+    newprs = set(newvalues.get('pull_requests',()))
+    if not newprs:
+        return
+    oldprs = set()
+    if nodeid:
+        # if this is an existing issue, get the list of existing prs
+        oldprs = set(db.issue.get(nodeid, 'pull_requests'))
+        newprs -= oldprs
+    try:
+        # get the newly created PR number
+        number = db.pull_request.get(newprs.pop(), 'number')
+    except KeyError:
+        return
+    # and compare with those already attached to an issue
+    for oldpr in oldprs:
+        oldnumber = db.pull_request.get(oldpr, 'number')
+        if number == oldnumber:
+            raise ValueError("GitHub PR already added to issue")
+
+def validate_pr_number(db, cl, nodeid, newvalues):
+    try:
+        number = extract_number(newvalues['number'])
+        if number:
+            newvalues['number'] = number
+    except KeyError:
+        pass
+
+def extract_number(input):
+    """
+    Extracts PR number from the following forms:
+    - #number
+    - number
+    - full url
+    and returns its number.
+    """
+    # try matching just the number
+    repo_number_match = repo_number_re.search(input)
+    if repo_number_match:
+        return repo_number_match.group('number')
+    # fallback to parsing the entire url
+    url_match = url_re.search(input)
+    if url_match:
+        return url_match.group('number')
+    # if nothing else raise error
+    raise ValueError("Unknown PR format, acceptable formats are: "
+                     "full github URL, #pr_number, pr_number")
+
+
+def init(db):
+    db.issue.audit('create', validate_pr_uniqueness)
+    db.issue.audit('set', validate_pr_uniqueness)
+    db.pull_request.audit('create', validate_pr_number)
+    db.pull_request.audit('set', validate_pr_number)
diff --git a/share/roundup/templates/classic/schema.py b/share/roundup/templates/classic/schema.py
--- a/share/roundup/templates/classic/schema.py
+++ b/share/roundup/templates/classic/schema.py
@@ -45,7 +45,8 @@
                 alternate_addresses=String(),
                 queries=Multilink('query'),
                 roles=String(),     # comma-separated string of Role names
-                timezone=String())
+                timezone=String(),
+                github=String())
 user.setkey("username")
 db.security.addPermission(name='Register', klass='user',
                           description='User is allowed to register new user')
@@ -65,6 +66,12 @@
 file = FileClass(db, "file",
                 name=String())
 
+pull_request = Class(db, "pull_request",
+                     number=String(),
+                     title=String(),
+                     )
+pull_request.setlabelprop('id')
+
 # IssueClass automatically gets these properties in addition to the Class ones:
 #   title = String()
 #   messages = Multilink("msg")
@@ -75,7 +82,8 @@
                 assignedto=Link("user"),
                 keyword=Multilink("keyword"),
                 priority=Link("priority"),
-                status=Link("status"))
+                status=Link("status"),
+                pull_requests=Multilink('pull_request'))
 
 #
 # TRACKER SECURITY SETTINGS
@@ -92,7 +100,7 @@
 
 # Assign the access and edit Permissions for issue, file and message
 # to regular users now
-for cl in 'issue', 'file', 'msg', 'keyword':
+for cl in 'issue', 'file', 'msg', 'keyword', 'pull_request':
     db.security.addPermissionToRole('User', 'View', cl)
     db.security.addPermissionToRole('User', 'Edit', cl)
     db.security.addPermissionToRole('User', 'Create', cl)
@@ -101,7 +109,7 @@
 
 # May users view other user information? Comment these lines out
 # if you don't want them to
-p = db.security.addPermission(name='View', klass='user', 
+p = db.security.addPermission(name='View', klass='user',
     properties=('id', 'organisation', 'phone', 'realname', 'timezone',
     'username'))
 db.security.addPermissionToRole('User', p)
@@ -167,7 +175,7 @@
 
 # Allow anonymous users access to view issues (and the related, linked
 # information)
-for cl in 'issue', 'file', 'msg', 'keyword', 'priority', 'status':
+for cl in 'issue', 'file', 'msg', 'keyword', 'priority', 'status', 'pull_request':
     db.security.addPermissionToRole('Anonymous', 'View', cl)
 
 # [OPTIONAL]
diff --git a/test/data/no-github-event-header.txt b/test/data/no-github-event-header.txt
new file mode 100644
--- /dev/null
+++ b/test/data/no-github-event-header.txt
@@ -0,0 +1,7 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Delivery: 94a54100-20e0-11e6-8756-bf8bf3b91449
+content-type: application/json
+X-Hub-Signature: sha1=ffda9754ba91e91ec414c2308bd25cd151c69960
diff --git a/test/data/non-json-body.txt b/test/data/non-json-body.txt
new file mode 100644
--- /dev/null
+++ b/test/data/non-json-body.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: pull_request
+X-GitHub-Delivery: 94a54100-20e0-11e6-8756-bf8bf3b91449
+content-type: application/x-www-form-urlencoded
+X-Hub-Signature: sha1=06b5c520cacd3cc8828dbf71622659527e0bfc50
+Content-Length: 11
+
+hello:world
diff --git a/test/data/pingevent.txt b/test/data/pingevent.txt
new file mode 100644
--- /dev/null
+++ b/test/data/pingevent.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: ping
+X-GitHub-Delivery: 94a54100-20e0-11e6-8756-bf8bf3b91449
+content-type: application/json
+X-Hub-Signature: sha1=95df171f2551526018324c407deed0b4b58a4126
+Content-Length: 6007
+
+{"zen":"Mind your words, they are important.","hook_id":8488302,"hook":{"type":"Repository","id":8488302,"name":"web","active":true,"events":["issue_comment","pull_request"],"config":{"content_type":"json","insecure_ssl":"0","secret":"********","url":"http://90dedf29.ngrok.io/python-dev/github_pullrequest_url"},"updated_at":"2016-05-23T12:19:22Z","created_at":"2016-05-23T12:19:22Z","url":"https://api.github.com/repos/python/cpython/hooks/8488302","test_url":"https://api.github.com/repos/python/cpython/hooks/8488302/test","ping_url":"https://api.github.com/repos/python/cpython/hooks/8488302/pings","last_response":{"code":null,"status":"unused","message":null}},"repository":{"id":59477756,"name":"cpython","full_name":"python/cpython","owner":{"login":"python","id":3175743,"avatar_url":"https://avatars.githubusercontent.com/u/3175743?v=3","gravatar_id":"","url":"https://api.github.com/users/python","html_url":"https://github.com/python","followers_url":"https://api.github.com/u
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diff --git a/test/data/pullrequestcommentevent.txt b/test/data/pullrequestcommentevent.txt
new file mode 100644
--- /dev/null
+++ b/test/data/pullrequestcommentevent.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 2f3784dc.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/9667e0c
+X-GitHub-Event: pull_request_review_comment
+X-GitHub-Delivery: c6d12700-270e-11e6-86c5-8e9c9c898175
+content-type: application/json
+X-Hub-Signature: sha1=123a3b255c0411447e4493ed98851801b88a3882
+Content-Length: 20671
+
+{"action":"created","comment":{"url":"https://api.github.com/repos/python/cpython/pulls/comments/92908721","pull_request_review_id":13434573,"id":92908721,"diff_hunk":"@@-97,6+97,7@@\n'THREAD':('SELECTED',),\n'UID':('SELECTED',),\n'UNSUBSCRIBE':('AUTH','SELECTED'),","path":"Lib/imaplib.py","position":3,"original_position":3,"commit_id":"eda90b2ac4c72d4b95ee452f56af0d18ddcd449e","original_commit_id":"eda90b2ac4c72d4b95ee452f56af0d18ddcd449e","user":{"login":"soltysh","id":576341,"avatar_url":"https://avatars.githubusercontent.com/u/576341?v=3","gravatar_id":"","url":"https://api.github.com/users/soltysh","html_url":"https://github.com/soltysh","followers_url":"https://api.github.com/users/soltysh/followers","following_url":"https://api.github.com/users/soltysh/following{/other_user}","gists_url":"https://api.github.com/users/soltysh/gists{/gist_id}","starred_url":"https://api.github.com/users/soltysh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/so
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diff --git a/test/data/pullrequestmalformed1.txt b/test/data/pullrequestmalformed1.txt
new file mode 100644
--- /dev/null
+++ b/test/data/pullrequestmalformed1.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 3ab1787e.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/98ea3cc
+X-GitHub-Event: pull_request
+X-GitHub-Delivery: 3d4b5180-5c89-11e6-88fd-1aa99d941991
+content-type: application/json
+X-Hub-Signature: sha1=57318827d67d398477a85b161926296eb9ab5be2
+Content-Length: 3
+
+{}
diff --git a/test/data/pullrequestmalformed2.txt b/test/data/pullrequestmalformed2.txt
new file mode 100644
--- /dev/null
+++ b/test/data/pullrequestmalformed2.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 3ab1787e.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/98ea3cc
+X-GitHub-Event: pull_request
+X-GitHub-Delivery: 3d4b5180-5c89-11e6-88fd-1aa99d941991
+content-type: application/json
+X-Hub-Signature: sha1=a25c62779068166ae2f3ddd557e596ba64134a36
+Content-Length: 33
+
+{"action":"opened","number":11}
diff --git a/test/data/pullrequestmalformed3.txt b/test/data/pullrequestmalformed3.txt
new file mode 100644
--- /dev/null
+++ b/test/data/pullrequestmalformed3.txt
@@ -0,0 +1,11 @@
+POST /python-dev/pull_request HTTP/1.1
+Host: 3ab1787e.ngrok.io
+Accept: */*
+User-Agent: GitHub-Hookshot/98ea3cc
+X-GitHub-Event: pull_request
+X-GitHub-Delivery: 3d4b5180-5c89-11e6-88fd-1aa99d941991
+content-type: application/json
+X-Hub-Signature: sha1=a641510115c8e775781cae9d4d288ceafe4c08df
+Content-Length: 51
+
+{"action":"opened","number":11,"pull_request":{}}
diff --git a/test/test_pull_request.py b/test/test_pull_request.py
new file mode 100644
--- /dev/null
+++ b/test/test_pull_request.py
@@ -0,0 +1,231 @@
+import unittest
+import os
+import db_test_base
+import cgi
+from BaseHTTPServer import BaseHTTPRequestHandler
+from StringIO import StringIO
+from roundup.cgi import client
+from roundup.backends import list_backends
+from roundup.pull_request import GitHubHandler
+from roundup.exceptions import *
+
+NEEDS_INSTANCE = 1
+
+
+class HTTPRequest(BaseHTTPRequestHandler):
+    def __init__(self, filename):
+        path = os.path.dirname(os.path.abspath(__file__)) + "/data/" + filename
+        request_file = open(path, 'r')
+        request_text = request_file.read()
+        request_file.close()
+        self.rfile = StringIO(request_text)
+        self.raw_requestline = self.rfile.readline()
+        self.error_code = self.error_message = None
+        self.parse_request()
+
+
+class TestCase(unittest.TestCase):
+
+    backend = None
+
+    def setUp(self):
+        # instance
+        self.dirname = '_test_pull_request'
+        self.instance = db_test_base.setupTracker(self.dirname, self.backend)
+        self.env = {
+            'PATH_INFO': 'http://localhost/pull_request',
+            'HTTP_HOST': 'localhost',
+            'TRACKER_NAME': 'test',
+            'REQUEST_METHOD': 'POST',
+            'CONTENT_TYPE': 'application/json'
+        }
+        os.environ['SECRET_KEY'] = "abcd"
+        os.environ['CREATE_ISSUE'] = 'yes'
+
+    def _make_client(self, filename):
+        request = HTTPRequest(filename)
+        form = cgi.FieldStorage(fp=request.rfile, environ=self.env,
+                                headers=request.headers)
+        dummy_client = client.Client(self.instance, request, self.env, form)
+        dummy_client.opendb("anonymous")
+        self.db = dummy_client.db
+        self.db.issue.create(title="Hello")
+        return dummy_client
+
+    def testMissingSecretKey(self):
+        os.environ.pop('SECRET_KEY')
+        dummy_client = self._make_client("pingevent.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testMissingGitHubEventHeader(self):
+        dummy_client = self._make_client("no-github-event-header.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testNonJSONRequestBody(self):
+        dummy_client = self._make_client("non-json-body.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testSecretKey(self):
+        os.environ['SECRET_KEY'] = "1234"
+        dummy_client = self._make_client("pingevent.txt")
+        with self.assertRaises(Unauthorised) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testUnsupportedMediaType(self):
+        dummy_client = self._make_client("pingevent.txt")
+        dummy_client.env['CONTENT_TYPE'] = 'application/xml'
+        with self.assertRaises(UnsupportedMediaType) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testMethodNotAllowed(self):
+        dummy_client = self._make_client("pingevent.txt")
+        dummy_client.env['REQUEST_METHOD'] = 'GET'
+        with self.assertRaises(MethodNotAllowed) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testPingEvent(self):
+        dummy_client = self._make_client("pingevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 0)
+
+    def testPullRequestCommentEvent(self):
+        dummy_client = self._make_client("pullrequestcommentevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '4')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestEventMalformed1(self):
+        # empty body
+        dummy_client = self._make_client("pullrequestmalformed1.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testPullRequestEventMalformed2(self):
+        # missing pull_request element
+        dummy_client = self._make_client("pullrequestmalformed2.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testPullRequestEventMalformed3(self):
+        # missing pull_request element
+        dummy_client = self._make_client("pullrequestmalformed3.txt")
+        with self.assertRaises(Reject) as context:
+            handler = GitHubHandler(dummy_client)
+            handler.dispatch()
+
+    def testPullRequestEventForTitle(self):
+        # When the title of a PR has string "fixes bpo123"
+        dummy_client = self._make_client("pullrequestevent.txt")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '11')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestEventForBody(self):
+        # When the body of a PR has string "fixes bpo123"
+        dummy_client = self._make_client("pullrequestevent1.txt")
+        self.db.user.create(username="anish.shah", github="AnishShah")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        prs = self.db.issue.get('1', 'pull_requests')
+        self.assertTrue(len(prs) == 1)
+        number = self.db.pull_request.get(prs[0], 'number')
+        self.assertEqual(number, '3')
+        title = self.db.pull_request.get(prs[0], 'title')
+        self.assertEqual(title, 'Created using GitHub API')
+        user_id = self.db.pull_request.get(prs[0], 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'github'), 'AnishShah')
+
+    def testPullRequestEventForMultipleIssueReferenceInTitle(self):
+        dummy_client = self._make_client("pullrequestevent3.txt")
+        self.db.issue.create(title="Python")
+        self.db.issue.create(title="CPython")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        for i in range(1, 4):
+            prs = self.db.issue.get(str(i), 'pull_requests')
+            self.assertTrue(len(prs) == 1)
+            number = self.db.pull_request.get(prs[0], 'number')
+            self.assertEqual(number, '13')
+            title = self.db.pull_request.get(prs[0], 'title')
+            self.assertEqual(title, 'fixes bpo1, bpo2, bpo3')
+
+    def testPullRequestEventForMultipleIssueReferenceInBody(self):
+        dummy_client = self._make_client("pullrequestevent4.txt")
+        self.db.issue.create(title="Python")
+        self.db.issue.create(title="CPython")
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        for i in range(1, 4):
+            prs = self.db.issue.get(str(i), 'pull_requests')
+            self.assertTrue(len(prs) == 1)
+            number = self.db.pull_request.get(prs[0], 'number')
+            self.assertEqual(number, '14')
+            title = self.db.pull_request.get(prs[0], 'title')
+            self.assertEqual(title, 'update .gitignore')
+
+    def testPullRequestEventWithoutIssueReference(self):
+        # When no issue is referenced in PR and environment variable is set
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 2)
+        user_id = self.db.issue.get('2', 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anonymous')
+
+    def testPullRequestFromGitHubUserWithoutIssueReference(self):
+        # When no issue is referenced in PR and environment variable is set
+        # and Github field of b.p.o user is set
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.db.user.create(username="anish.shah", github="AnishShah")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 2)
+        user_id = self.db.issue.get('2', 'creator')
+        self.assertEqual(self.db.user.get(user_id, 'username'), 'anish.shah')
+
+    def testPullRequestEventWithoutIssueReferenceAndEnvVariable(self):
+        # When no issue is referenced in PR and no environment variable is set
+        os.environ.pop('CREATE_ISSUE')
+        dummy_client = self._make_client("pullrequestevent2.txt")
+        self.assertEqual(self.db.issue.count(), 1)
+        handler = GitHubHandler(dummy_client)
+        handler.dispatch()
+        self.assertEqual(self.db.issue.count(), 1)
+
+
+def test_suite():
+    suite = unittest.TestSuite()
+    for l in list_backends():
+        dct = dict(backend=l)
+        subcls = type(TestCase)('TestCase_%s' % l, (TestCase,), dct)
+        suite.addTest(unittest.makeSuite(subcls))
+    return suite
+
+if __name__ == '__main__':
+    runner = unittest.TextTestRunner()
+    unittest.main(testRunner=runner)

From metatracker at psf.upfronthosting.co.za  Wed Dec 21 16:27:36 2016
From: metatracker at psf.upfronthosting.co.za (Maciej Szulik)
Date: Wed, 21 Dec 2016 21:27:36 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
In-Reply-To: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>
Message-ID: <1482355656.54.0.688156848121.issue610@psf.upfronthosting.co.za>


Maciej Szulik added the comment:

LGTM, Ezio or David mind merging this?

----------
nosy: +ezio.melotti, maciej.szulik, r.david.murray
status: unread -> chatting

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue610>
_______________________________________________________

From metatracker at psf.upfronthosting.co.za  Wed Dec 21 23:59:12 2016
From: metatracker at psf.upfronthosting.co.za (Berker Peksag)
Date: Thu, 22 Dec 2016 04:59:12 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
In-Reply-To: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>
Message-ID: <1482382752.91.0.0688048658582.issue610@psf.upfronthosting.co.za>


Berker Peksag added the comment:

Looks good to me too. I can do the merging if David or Ezio are busy.

----------
nosy: +berker.peksag

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue610>
_______________________________________________________

From metatracker at psf.upfronthosting.co.za  Thu Dec 22 04:53:50 2016
From: metatracker at psf.upfronthosting.co.za (Maciej Szulik)
Date: Thu, 22 Dec 2016 09:53:50 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
In-Reply-To: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>
Message-ID: <1482400430.97.0.565211714993.issue610@psf.upfronthosting.co.za>


Maciej Szulik added the comment:

SGTM

_______________________________________________________
PSF Meta Tracker <metatracker at psf.upfronthosting.co.za>
<http://psf.upfronthosting.co.za/roundup/meta/issue610>
_______________________________________________________

From metatracker at psf.upfronthosting.co.za  Thu Dec 22 13:20:35 2016
From: metatracker at psf.upfronthosting.co.za (Brett C.)
Date: Thu, 22 Dec 2016 18:20:35 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
In-Reply-To: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>
Message-ID: <1482430835.74.0.42800609387.issue610@psf.upfronthosting.co.za>


Brett C. added the comment:

Do people think it would be worth adding prefix support? E.g. /lookup/git1234567890 so as to help future-proof number collisions and ambiguity? We could also add "hg" prefix support (svn already has "r").

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From metatracker at psf.upfronthosting.co.za  Thu Dec 22 13:36:23 2016
From: metatracker at psf.upfronthosting.co.za (Brett C.)
Date: Thu, 22 Dec 2016 18:36:23 +0000
Subject: [Tracker-discuss] [issue589] Add GitHub PR to b.p.o issues using
 GitHub webhooks (depends on issue586)
In-Reply-To: <1464035377.63.0.520552418309.issue589@psf.upfronthosting.co.za>
Message-ID: <1482431783.16.0.929364420008.issue589@psf.upfronthosting.co.za>


Brett C. added the comment:

LGTM

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From metatracker at psf.upfronthosting.co.za  Thu Dec 22 13:54:57 2016
From: metatracker at psf.upfronthosting.co.za (Brett C.)
Date: Thu, 22 Dec 2016 18:54:57 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
In-Reply-To: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>
Message-ID: <1482432897.9.0.639444966727.issue610@psf.upfronthosting.co.za>


Brett C. added the comment:

I went ahead and implemented the idea of hg or git prefixes on the commit numbers.

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-------------- next part --------------
diff -r 1b16b4c8ab77 extensions/local_replace.py
--- a/extensions/local_replace.py	Fri Dec 02 01:21:29 2016 +0200
+++ b/extensions/local_replace.py	Thu Dec 22 10:54:37 2016 -0800
@@ -74,10 +74,11 @@
 
 seps = r'\b(?<![-/?&;=_])'  # these chars should not precede the targets
 substitutions = [
-    # deadbeeffeed  (hashes with exactly twelve or forty chars)
-    (re.compile(r'%s(?P<revision>[a-fA-F0-9]{40})\b' % seps),
+    # deadbeeffeed  (hg hashes with exactly twelve or forty chars,
+    # git has 10 or more as it grows as time goes on)
+    (re.compile(r'%s(?P<revision>(git|hg)?[a-fA-F0-9]{40})\b' % seps),
      r'<a href="http://hg.python.org/lookup/\g<revision>">\g<revision></a>'),
-    (re.compile(r'%s(?P<revision>[a-fA-F0-9]{12})\b' % seps),
+    (re.compile(r'%s(?P<revision>(git|hg)?[a-fA-F0-9]{10,12})\b' % seps),
      r'<a href="http://hg.python.org/lookup/\g<revision>">\g<revision></a>'),
 
     # r12345, r 12345, rev12345, rev. 12345, revision12345, revision 12345

From metatracker at psf.upfronthosting.co.za  Thu Dec 22 15:22:11 2016
From: metatracker at psf.upfronthosting.co.za (Maciej Szulik)
Date: Thu, 22 Dec 2016 20:22:11 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
In-Reply-To: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>
Message-ID: <1482438131.09.0.466285852235.issue610@psf.upfronthosting.co.za>


Maciej Szulik added the comment:

Still LGTM.

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From metatracker at psf.upfronthosting.co.za  Thu Dec 22 22:24:07 2016
From: metatracker at psf.upfronthosting.co.za (Ezio Melotti)
Date: Fri, 23 Dec 2016 03:24:07 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
In-Reply-To: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>
Message-ID: <1482463447.4.0.928339197907.issue610@psf.upfronthosting.co.za>


Ezio Melotti added the comment:

I'm +0.5 on the prefix idea -- by default it should work without prefix (both for backward compatibility and because most people will copy/paste CSIDs without bothering adding the prefix).  It could be still useful in case people want to explicitly disambiguate or to be used by bots though.
A few tests should be added in test_local_replace.py, otherwise the patch LGTM.

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From metatracker at psf.upfronthosting.co.za  Sat Dec 24 12:33:07 2016
From: metatracker at psf.upfronthosting.co.za (Brett C.)
Date: Sat, 24 Dec 2016 17:33:07 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
In-Reply-To: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>
Message-ID: <1482600787.82.0.777991580032.issue610@psf.upfronthosting.co.za>


Brett C. added the comment:

Here is the patch with tests (not actually run, though, since I don't have the DB setup).

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-------------- next part --------------
diff -r 1b16b4c8ab77 extensions/local_replace.py
--- a/extensions/local_replace.py	Fri Dec 02 01:21:29 2016 +0200
+++ b/extensions/local_replace.py	Sat Dec 24 09:32:31 2016 -0800
@@ -74,10 +74,11 @@
 
 seps = r'\b(?<![-/?&;=_])'  # these chars should not precede the targets
 substitutions = [
-    # deadbeeffeed  (hashes with exactly twelve or forty chars)
-    (re.compile(r'%s(?P<revision>[a-fA-F0-9]{40})\b' % seps),
+    # deadbeeffeed  (hg hashes with exactly twelve or forty chars,
+    # git has 10 or more as it grows as time goes on)
+    (re.compile(r'%s(?P<revision>(git|hg)?[a-fA-F0-9]{40})\b' % seps),
      r'<a href="http://hg.python.org/lookup/\g<revision>">\g<revision></a>'),
-    (re.compile(r'%s(?P<revision>[a-fA-F0-9]{12})\b' % seps),
+    (re.compile(r'%s(?P<revision>(git|hg)?[a-fA-F0-9]{10,12})\b' % seps),
      r'<a href="http://hg.python.org/lookup/\g<revision>">\g<revision></a>'),
 
     # r12345, r 12345, rev12345, rev. 12345, revision12345, revision 12345
diff -r 1b16b4c8ab77 extensions/test/local_replace_data.txt
--- a/extensions/test/local_replace_data.txt	Fri Dec 02 01:21:29 2016 +0200
+++ b/extensions/test/local_replace_data.txt	Sat Dec 24 09:32:31 2016 -0800
@@ -28,6 +28,28 @@
 ## hg revisions
 http://code.google.com/p/spyderlib/source/detail?spec=svne5d86b685619a470d593aa5f9ee360ba60779bc1&r=323c6c697f045166e384cdc15803d40eebed0a2b
 <a href="http://code.google.com/p/spyderlib/source/detail?spec=svne5d86b685619a470d593aa5f9ee360ba60779bc1&amp;r=323c6c697f045166e384cdc15803d40eebed0a2b">http://code.google.com/p/spyderlib/source/detail?spec=svne5d86b685619a470d593aa5f9ee360ba60779bc1&amp;r=323c6c697f045166e384cdc15803d40eebed0a2b</a>
+41a99a2a7198
+<a href="http://hg.python.org/lookup/41a99a2a7198">41a99a2a7198</a>
+hg41a99a2a7198
+<a href="http://hg.python.org/lookup/hg41a99a2a7198">hg41a99a2a7198</a>
+41a99a2a7198e85c21643a5f1fdb598f07f11f9d
+<a href="http://hg.python.org/lookup/41a99a2a7198e85c21643a5f1fdb598f07f11f9d">41a99a2a7198e85c21643a5f1fdb598f07f11f9d</a>
+hg41a99a2a7198e85c21643a5f1fdb598f07f11f9d
+<a href="http://hg.python.org/lookup/hg41a99a2a7198e85c21643a5f1fdb598f07f11f9d">hg41a99a2a7198e85c21643a5f1fdb598f07f11f9d</a>
+##
+## git revisions
+4581b90a75
+<a href="http://hg.python.org/lookup/4581b90a75">4581b90a75</a>
+git4581b90a75
+<a href="http://hg.python.org/lookup/git4581b90a75">git4581b90a75</a>
+4581b90a75f
+<a href="http://hg.python.org/lookup/4581b90a75f">4581b90a75f</a>
+git4581b90a75f
+<a href="http://hg.python.org/lookup/git4581b90a75f">git4581b90a75f</a>
+4581b90a75f185df5f94af476cfc7e778fd11a24
+<a href="http://hg.python.org/lookup/4581b90a75f185df5f94af476cfc7e778fd11a24">4581b90a75f185df5f94af476cfc7e778fd11a24</a>
+git4581b90a75f185df5f94af476cfc7e778fd11a24
+<a href="http://hg.python.org/lookup/git4581b90a75f185df5f94af476cfc7e778fd11a24">git4581b90a75f185df5f94af476cfc7e778fd11a24</a>
 ##
 ## issues - the lowest issue id on bugs.python.org is #1000, the highest is #1779871
  #1

From metatracker at psf.upfronthosting.co.za  Sun Dec 25 12:53:02 2016
From: metatracker at psf.upfronthosting.co.za (Ezio Melotti)
Date: Sun, 25 Dec 2016 17:53:02 +0000
Subject: [Tracker-discuss] [issue610] Hyperlink git hashes of 10 or 11
 characters
In-Reply-To: <1482207699.19.0.520014647923.issue610@psf.upfronthosting.co.za>
Message-ID: <1482688382.03.0.238996791409.issue610@psf.upfronthosting.co.za>


Ezio Melotti added the comment:

Done in https://hg.python.org/tracker/python-dev/rev/18a7bc95ec31
Thanks for the patch!

----------
assignedto:  -> ezio.melotti
status: chatting -> resolved

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