Mailman 3 September 2005 - Python-checkins

python/dist/src/Misc ACKS, 1.296, 1.297 NEWS, 1.1380, 1.1381
by nnorwitz＠users.sourceforge.net Sept. 30, 2005

Sept. 30, 2005

Update of /cvsroot/python/python/dist/src/Misc In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv11176/Misc Modified Files: ACKS NEWS Log Message: Patch #1309009, Fix segfault in pyexpat when the XML document is in latin_1, but Python incorrectly assumes it is in UTF-8 format Will backport. Index: ACKS =================================================================== RCS file: /cvsroot/python/python/dist/src/Misc/ACKS,v retrieving revision 1.296 retrieving revision 1.297 diff -u -d -r1.296 -r1.297 --- ACKS 22 Sep 2005 09:19:01 -0000 1.296 +++ ACKS 30 Sep 2005 04:46:49 -0000 1.297 @@ -305,6 +305,7 @@ Jiba Orjan Johansen Simon Johnston +Evan Jones Richard Jones Irmen de Jong Lucas de Jonge Index: NEWS =================================================================== RCS file: /cvsroot/python/python/dist/src/Misc/NEWS,v retrieving revision 1.1380 retrieving revision 1.1381 diff -u -d -r1.1380 -r1.1381 --- NEWS 29 Sep 2005 20:49:16 -0000 1.1380 +++ NEWS 30 Sep 2005 04:46:49 -0000 1.1381 @@ -153,6 +153,9 @@ Extension Modules ----------------- +- Patch #1309009, Fix segfault in pyexpat when the XML document is in latin_1, + but Python incorrectly assumes it is in UTF-8 format + - Fix parse errors in the readline module when compiling without threads. - Patch #1288833: Removed thread lock from socket.getaddrinfo on

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python/nondist/peps pep-0000.txt, 1.345, 1.346 pep-0308.txt, 1.20, 1.21
by rhettinger＠users.sourceforge.net Sept. 30, 2005

Sept. 30, 2005

Update of /cvsroot/python/python/nondist/peps In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv14980 Modified Files: pep-0000.txt pep-0308.txt Log Message: Record pronouncement on conditional expressions. Index: pep-0000.txt =================================================================== RCS file: /cvsroot/python/python/nondist/peps/pep-0000.txt,v retrieving revision 1.345 retrieving revision 1.346 diff -u -d -r1.345 -r1.346 --- pep-0000.txt 28 Sep 2005 14:11:28 -0000 1.345 +++ pep-0000.txt 30 Sep 2005 01:51:58 -0000 1.346 @@ -63,6 +63,7 @@ Accepted PEPs (accepted; may not be implemented yet) + SA 308 If-then-else expression GvR, Hettinger SA 328 Imports: Multi-Line and Absolute/Relative Aahz SA 342 Coroutines via Enhanced Generators GvR, Eby SA 343 Anonymous Block Redux and Generator Enhancements GvR @@ -203,7 +204,6 @@ SR 295 Interpretation of multiline string constants Koltsov SR 296 Adding a bytes Object Type Gilbert SR 303 Extend divmod() for Multiple Divisors Bellman - SR 308 If-then-else expression GvR, Hettinger SR 310 Reliable Acquisition/Release Pairs Hudson, Moore SD 312 Simple Implicit Lambda Suzi, Martelli SR 313 Adding Roman Numeral Literals to Python Meyer @@ -353,7 +353,7 @@ SF 305 CSV File API Montanaro, et al I 306 How to Change Python's Grammar Hudson SF 307 Extensions to the pickle protocol GvR, Peters - SR 308 If-then-else expression GvR, Hettinger + SA 308 If-then-else expression GvR, Hettinger SF 309 Partial Function Application Harris S 310 Reliable Acquisition/Release Pairs Hudson, Moore SF 311 Simplified GIL Acquisition for Extensions Hammond Index: pep-0308.txt =================================================================== RCS file: /cvsroot/python/python/nondist/peps/pep-0308.txt,v retrieving revision 1.20 retrieving revision 1.21 diff -u -d -r1.20 -r1.21 --- pep-0308.txt 13 Aug 2003 18:06:34 -0000 1.20 +++ pep-0308.txt 30 Sep 2005 01:51:58 -0000 1.21 @@ -3,14 +3,43 @@ Version: $Revision$ Last-Modified: $Date$ Author: Guido van Rossum, Raymond D. Hettinger -Status: Rejected +Status: Accepted Type: Standards Track Content-Type: text/plain Created: 7-Feb-2003 Post-History: 7-Feb-2003, 11-Feb-2003 +Adding a conditional expression -Introduction + On 9/29/2005, Guido decided to add conditional expressions in the + form of "X if C else Y". [1] + + The motivating use case was the prevalance of error-prone attempts + to achieve the same effect using "and" and "or". [2] + + Previous community efforts to add a conditional expression were + stymied by a lack of consensus on the best syntax. That issue was + resolved by simply deferring to a BDFL best judgment call. + + The decision was validated by reviewing the how the syntax fared when + applied throughout the standard library (this review approximates a + sampling of real-world use cases, across a variety of applications, + written by a number of programmers with diverse backgrounds). [3] + +References + + [1] Pronouncement + http://mail.python.org/pipermail/python-dev/2005-September/056846.html + + [2] Motivating use case: + http://mail.python.org/pipermail/python-dev/2005-September/056546.html + http://mail.python.org/pipermail/python-dev/2005-September/056510.html + + [3] Review in the context of real-world code fragments: + http://mail.python.org/pipermail/python-dev/2005-September/056803.html + + +Introduction to earlier draft of the PEP (kept for historical purposes) Requests for an if-then-else ("ternary") expression keep coming up on comp.lang.python. This PEP contains a concrete proposal of a

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python/dist/src/Misc NEWS, 1.1193.2.113, 1.1193.2.114
by birkenfeld＠users.sourceforge.net Sept. 29, 2005

Sept. 29, 2005

Update of /cvsroot/python/python/dist/src/Misc In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv14223/Misc Modified Files: Tag: release24-maint NEWS Log Message: backport patch [ 1300515 ] xdrlib.py: pack_fstring() did not use null bytes for padding Index: NEWS =================================================================== RCS file: /cvsroot/python/python/dist/src/Misc/NEWS,v retrieving revision 1.1193.2.113 retrieving revision 1.1193.2.114 diff -u -d -r1.1193.2.113 -r1.1193.2.114 --- NEWS 29 Sep 2005 20:16:12 -0000 1.1193.2.113 +++ NEWS 29 Sep 2005 20:49:21 -0000 1.1193.2.114 @@ -17,6 +17,9 @@ Library ------- +- Patch #1300515: xdrlib.py: Fix pack_fstring() to really use null bytes + for padding. + - Bug #1296004: httplib.py: Limit maximal amount of data read from the socket to avoid a MemoryError on Windows.

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python/dist/src/Lib xdrlib.py,1.16,1.16.4.1
by birkenfeld＠users.sourceforge.net Sept. 29, 2005

Sept. 29, 2005

Update of /cvsroot/python/python/dist/src/Lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv14223/Lib Modified Files: Tag: release24-maint xdrlib.py Log Message: backport patch [ 1300515 ] xdrlib.py: pack_fstring() did not use null bytes for padding Index: xdrlib.py =================================================================== RCS file: /cvsroot/python/python/dist/src/Lib/xdrlib.py,v retrieving revision 1.16 retrieving revision 1.16.4.1 diff -u -d -r1.16 -r1.16.4.1 --- xdrlib.py 12 Feb 2004 17:35:07 -0000 1.16 +++ xdrlib.py 29 Sep 2005 20:49:21 -0000 1.16.4.1 @@ -79,8 +79,8 @@ def pack_fstring(self, n, s): if n < 0: raise ValueError, 'fstring size must be nonnegative' - n = ((n+3)/4)*4 data = s[:n] + n = ((n+3)/4)*4 data = data + (n - len(data)) * '\0' self.__buf.write(data)

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python/dist/src/Lib xdrlib.py,1.17,1.18
by birkenfeld＠users.sourceforge.net Sept. 29, 2005

Sept. 29, 2005

Update of /cvsroot/python/python/dist/src/Lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv14211/Lib Modified Files: xdrlib.py Log Message: patch [ 1300515 ] xdrlib.py: pack_fstring() did not use null bytes for padding Index: xdrlib.py =================================================================== RCS file: /cvsroot/python/python/dist/src/Lib/xdrlib.py,v retrieving revision 1.17 retrieving revision 1.18 diff -u -d -r1.17 -r1.18 --- xdrlib.py 24 Feb 2005 20:22:11 -0000 1.17 +++ xdrlib.py 29 Sep 2005 20:49:16 -0000 1.18 @@ -79,8 +79,8 @@ def pack_fstring(self, n, s): if n < 0: raise ValueError, 'fstring size must be nonnegative' - n = ((n+3)/4)*4 data = s[:n] + n = ((n+3)/4)*4 data = data + (n - len(data)) * '\0' self.__buf.write(data)

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python/dist/src/Misc NEWS,1.1379,1.1380
by birkenfeld＠users.sourceforge.net Sept. 29, 2005

Sept. 29, 2005

Update of /cvsroot/python/python/dist/src/Misc In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv14211/Misc Modified Files: NEWS Log Message: patch [ 1300515 ] xdrlib.py: pack_fstring() did not use null bytes for padding Index: NEWS =================================================================== RCS file: /cvsroot/python/python/dist/src/Misc/NEWS,v retrieving revision 1.1379 retrieving revision 1.1380 diff -u -d -r1.1379 -r1.1380 --- NEWS 29 Sep 2005 20:16:07 -0000 1.1379 +++ NEWS 29 Sep 2005 20:49:16 -0000 1.1380 @@ -242,6 +242,9 @@ Library ------- +- Patch #1300515: xdrlib.py: Fix pack_fstring() to really use null bytes + for padding. + - Bug #1296004: httplib.py: Limit maximal amount of data read from the socket to avoid a MemoryError on Windows.

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python/dist/src/Doc/lib libshlex.tex, 1.18, 1.18.4.1
by birkenfeld＠users.sourceforge.net Sept. 29, 2005

Sept. 29, 2005

Update of /cvsroot/python/python/dist/src/Doc/lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv8889/Doc/lib Modified Files: Tag: release24-maint libshlex.tex Log Message: backport bug [ 1298120 ] shlex does not support unicode Index: libshlex.tex =================================================================== RCS file: /cvsroot/python/python/dist/src/Doc/lib/libshlex.tex,v retrieving revision 1.18 retrieving revision 1.18.4.1 diff -u -d -r1.18 -r1.18.4.1 --- libshlex.tex 31 Dec 2003 05:18:46 -0000 1.18 +++ libshlex.tex 29 Sep 2005 20:24:12 -0000 1.18.4.1 @@ -15,6 +15,8 @@ be useful for writing minilanguages, (for example, in run control files for Python applications) or for parsing quoted strings. +\note{The \module{shlex} module currently does not support Unicode input.} + The \module{shlex} module defines the following functions: \begin{funcdesc}{split}{s\optional{, comments}}

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python/dist/src/Doc/lib libshlex.tex,1.18,1.19
by birkenfeld＠users.sourceforge.net Sept. 29, 2005

Sept. 29, 2005

Update of /cvsroot/python/python/dist/src/Doc/lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv8876/Doc/lib Modified Files: libshlex.tex Log Message: bug [ 1298120 ] shlex does not support unicode Index: libshlex.tex =================================================================== RCS file: /cvsroot/python/python/dist/src/Doc/lib/libshlex.tex,v retrieving revision 1.18 retrieving revision 1.19 diff -u -d -r1.18 -r1.19 --- libshlex.tex 31 Dec 2003 05:18:46 -0000 1.18 +++ libshlex.tex 29 Sep 2005 20:24:06 -0000 1.19 @@ -15,6 +15,8 @@ be useful for writing minilanguages, (for example, in run control files for Python applications) or for parsing quoted strings. +\note{The \module{shlex} module currently does not support Unicode input.} + The \module{shlex} module defines the following functions: \begin{funcdesc}{split}{s\optional{, comments}}

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python/dist/src/Misc NEWS, 1.1193.2.112, 1.1193.2.113
by birkenfeld＠users.sourceforge.net Sept. 29, 2005

Sept. 29, 2005

Update of /cvsroot/python/python/dist/src/Misc In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv7067/Misc Modified Files: Tag: release24-maint NEWS Log Message: backport bug [ 1296004 ] MemoryError in httplib Index: NEWS =================================================================== RCS file: /cvsroot/python/python/dist/src/Misc/NEWS,v retrieving revision 1.1193.2.112 retrieving revision 1.1193.2.113 diff -u -d -r1.1193.2.112 -r1.1193.2.113 --- NEWS 29 Sep 2005 13:42:45 -0000 1.1193.2.112 +++ NEWS 29 Sep 2005 20:16:12 -0000 1.1193.2.113 @@ -14,6 +14,12 @@ - Fix parse errors in the readline module when compiling without threads. +Library +------- + +- Bug #1296004: httplib.py: Limit maximal amount of data read from the + socket to avoid a MemoryError on Windows. + What's New in Python 2.4.2 final? =================================

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python/dist/src/Lib httplib.py, 1.94.2.1, 1.94.2.2
by birkenfeld＠users.sourceforge.net Sept. 29, 2005

Sept. 29, 2005

Update of /cvsroot/python/python/dist/src/Lib In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv7067/Lib Modified Files: Tag: release24-maint httplib.py Log Message: backport bug [ 1296004 ] MemoryError in httplib Index: httplib.py =================================================================== RCS file: /cvsroot/python/python/dist/src/Lib/httplib.py,v retrieving revision 1.94.2.1 retrieving revision 1.94.2.2 diff -u -d -r1.94.2.1 -r1.94.2.2 --- httplib.py 26 Jun 2005 22:06:56 -0000 1.94.2.1 +++ httplib.py 29 Sep 2005 20:16:12 -0000 1.94.2.2 @@ -153,6 +153,9 @@ INSUFFICIENT_STORAGE = 507 NOT_EXTENDED = 510 +# maximal amount of data to read at one time in _safe_read +MAXAMOUNT = 1048576 + class HTTPMessage(mimetools.Message): def addheader(self, key, value): @@ -541,14 +544,14 @@ reading. If the bytes are truly not available (due to EOF), then the IncompleteRead exception can be used to detect the problem. """ - s = '' + s = [] while amt > 0: - chunk = self.fp.read(amt) + chunk = self.fp.read(min(amt, MAXAMOUNT)) if not chunk: raise IncompleteRead(s) - s += chunk + s.append(chunk) amt -= len(chunk) - return s + return ''.join(s) def getheader(self, name, default=None): if self.msg is None:

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