[Python-3000-checkins] r62874 - in python/branches/py3k: .bzrignore Doc/library/collections.rst Lib/json/encoder.py Lib/platform.py PCbuild/pcbuild.sln

[christian.heimes]

Author: christian.heimes
Date: Thu May  8 19:18:53 2008
New Revision: 62874

Log:
Merged revisions 62805,62811,62841-62842,62848-62849,62853-62854 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r62805 | christian.heimes | 2008-05-07 01:59:53 +0200 (Wed, 07 May 2008) | 1 line
  
  Re-added getbuildinfo.c solution item
........
  r62811 | benjamin.peterson | 2008-05-07 04:23:43 +0200 (Wed, 07 May 2008) | 2 lines
  
  update .bzrignore
........
  r62841 | christian.heimes | 2008-05-08 00:54:17 +0200 (Thu, 08 May 2008) | 1 line
  
  Replace more float hacks with correct math functions
........
  r62842 | benjamin.peterson | 2008-05-08 01:11:54 +0200 (Thu, 08 May 2008) | 2 lines
  
  Practice EAFP, and revert 62787
........
  r62848 | raymond.hettinger | 2008-05-08 06:35:20 +0200 (Thu, 08 May 2008) | 1 line
  
  Frozensets do not benefit from autoconversion.
........
  r62849 | raymond.hettinger | 2008-05-08 06:36:12 +0200 (Thu, 08 May 2008) | 1 line
  
  The __all__ variable forgot to expose the gcd() function.
........
  r62853 | raymond.hettinger | 2008-05-08 09:23:30 +0200 (Thu, 08 May 2008) | 1 line
  
  Fix-up the enumerate type example and move it to the end.
........
  r62854 | ronald.oussoren | 2008-05-08 12:34:39 +0200 (Thu, 08 May 2008) | 3 lines
  
  Fix for issue 1770190: platform.mac_ver() now returns the right
  version on OSX 10.4.10
........


Modified:
   python/branches/py3k/   (props changed)
   python/branches/py3k/.bzrignore
   python/branches/py3k/Doc/library/collections.rst
   python/branches/py3k/Lib/json/encoder.py
   python/branches/py3k/Lib/platform.py
   python/branches/py3k/PCbuild/pcbuild.sln

Modified: python/branches/py3k/.bzrignore
==============================================================================
--- python/branches/py3k/.bzrignore	(original)
+++ python/branches/py3k/.bzrignore	Thu May  8 19:18:53 2008
@@ -1,4 +1,4 @@
-.purify
+´.purify
 autom4te.cache
 config.log
 config.cache
@@ -41,3 +41,7 @@
 Modules/config.c
 Parser/pgen
 Lib/plat-mac/errors.rsrc.df.rsrc
+Lib/lib2to3/Grammar2.6.0.alpha.1.pickle
+Lib/lib2to3/Grammar2.6.0.alpha.2.pickle
+Lib/lib2to3/PatternGrammar2.6.0.alpha.1.pickle
+Lib/lib2to3/PatternGrammar2.6.0.alpha.2.pickle

Modified: python/branches/py3k/Doc/library/collections.rst
==============================================================================
--- python/branches/py3k/Doc/library/collections.rst	(original)
+++ python/branches/py3k/Doc/library/collections.rst	Thu May  8 19:18:53 2008
@@ -550,16 +550,6 @@
    for emp in map(EmployeeRecord._make, cursor.fetchall()):
        print(emp.name, emp.title)
 
-Named tuples can also be used to generate enumerated constants:
-
-.. testcode::
-
-   def enum(*names):
-       return namedtuple('Enum', ' '.join(names))(*range(len(names)))
-   
-   Status = enum('open', 'pending', 'closed')
-   assert (0, 1, 2) == (Status.open, Status.pending, Status.closed)
-
 In addition to the methods inherited from tuples, named tuples support
 three additional methods and one attribute.  To prevent conflicts with
 field names, the method and attribute names start with an underscore.
@@ -655,6 +645,15 @@
     >>> default_account = Account('<owner name>', 0.0, 0)
     >>> johns_account = default_account._replace(owner='John')
 
+Enumerated constants can be implemented with named tuples, but it is simpler
+and more efficient to use a simple class declaration:
+
+    >>> Status = namedtuple('Status', 'open pending closed')._make(range(3))
+    >>> Status.open, Status.pending, Status.closed
+    (0, 1, 2)
+    >>> class Status:
+    ...     open, pending, closed = range(3)
+
 .. rubric:: Footnotes
 
 .. [#] For information on the double-star-operator see

Modified: python/branches/py3k/Lib/json/encoder.py
==============================================================================
--- python/branches/py3k/Lib/json/encoder.py	(original)
+++ python/branches/py3k/Lib/json/encoder.py	Thu May  8 19:18:53 2008
@@ -2,6 +2,7 @@
 """
 
 import re
+import math
 
 try:
     from _json import encode_basestring_ascii as c_encode_basestring_ascii
@@ -25,20 +26,19 @@
 for i in range(0x20):
     ESCAPE_DCT.setdefault(chr(i), '\\u{0:04x}'.format(i))
 
-# Assume this produces an infinity on all machines (probably not guaranteed)
-INFINITY = float('1e66666')
 FLOAT_REPR = repr
 
 def floatstr(o, allow_nan=True):
     # Check for specials.  Note that this type of test is processor- and/or
     # platform-specific, so do tests which don't depend on the internals.
 
-    if o != o:
+    if math.isnan(o):
         text = 'NaN'
-    elif o == INFINITY:
-        text = 'Infinity'
-    elif o == -INFINITY:
-        text = '-Infinity'
+    elif math.isinf(o):
+        if math.copysign(1., o) == 1.:
+            text = 'Infinity'
+        else:
+            text = '-Infinity'
     else:
         return FLOAT_REPR(o)
 

Modified: python/branches/py3k/Lib/platform.py
==============================================================================
--- python/branches/py3k/Lib/platform.py	(original)
+++ python/branches/py3k/Lib/platform.py	Thu May  8 19:18:53 2008
@@ -720,7 +720,17 @@
         major = (sysv & 0xFF00) >> 8
         minor = (sysv & 0x00F0) >> 4
         patch = (sysv & 0x000F)
-        release = '%s.%i.%i' % (_bcd2str(major),minor,patch)
+
+        if (major, minor) >= (10, 4):
+            # the 'sysv' gestald cannot return patchlevels
+            # higher than 9. Apple introduced 3 new
+            # gestalt codes in 10.4 to deal with this
+            # issue (needed because patch levels can
+            # run higher than 9, such as 10.4.11)
+            major,minor,patch = _mac_ver_lookup(('sys1','sys2','sys3'))
+            release = '%i.%i.%i' %(major, minor, patch)
+        else:
+            release = '%s.%i.%i' % (_bcd2str(major),minor,patch)
     if sysu:
         major =  int((sysu & 0xFF000000) >> 24)
         minor =  (sysu & 0x00F00000) >> 20

Modified: python/branches/py3k/PCbuild/pcbuild.sln
==============================================================================
--- python/branches/py3k/PCbuild/pcbuild.sln	(original)
+++ python/branches/py3k/PCbuild/pcbuild.sln	Thu May  8 19:18:53 2008
@@ -29,6 +29,7 @@
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{553EC33E-9816-4996-A660-5D6186A0B0B3}"
 	ProjectSection(SolutionItems) = preProject
+		..\Modules\getbuildinfo.c = ..\Modules\getbuildinfo.c
 		readme.txt = readme.txt
 	EndProjectSection
 EndProject