[Python-checkins] distutils2: Use Mercurial command-line API instead of Python internals.

[tarek.ziade]

tarek.ziade pushed 0e17b47e7ab2 to distutils2:

http://hg.python.org/distutils2/rev/0e17b47e7ab2
changeset:   193:0e17b47e7ab2
user:        ?ric Araujo <merwok at netwok.org>
date:        Tue Jun 01 15:12:25 2010 +0200
summary:     Use Mercurial command-line API instead of Python internals.
files:       src/setup.py

diff --git a/src/setup.py b/src/setup.py
--- a/src/setup.py
+++ b/src/setup.py
@@ -17,19 +17,17 @@
     f.close()
 
 def get_tip_revision(path=os.getcwd()):
+    from subprocess import Popen, PIPE
     try:
-        from mercurial.hg import repository
-        from mercurial.ui import ui
-        from mercurial import node
-        from mercurial.error import RepoError
-    except ImportError:
+        cmd = Popen(['hg', 'tip', '--template', '{rev}', '-R', path],
+                    stdout=PIPE, stderr=PIPE)
+    except OSError:
         return 0
-    try:
-        repo = repository(ui(), path)
-        tip = repo.changelog.tip()
-        return repo.changelog.rev(tip)
-    except RepoError:
+    rev = cmd.stdout.read()
+    if rev == '':
+        # there has been an error in the command
         return 0
+    return int(rev)
 
 DEV_SUFFIX = '.dev%d' % get_tip_revision('..')
 

--
Repository URL: http://hg.python.org/distutils2