Mailman 3 October 2004 - Python-Dev

PEP 1, PEP Purpose and Guidelines
by barry＠zope.com May 18, 2021

May 18, 2021

It has been a while since I posted a copy of PEP 1 to the mailing lists and newsgroups. I've recently done some updating of a few sections, so in the interest of gaining wider community participation in the Python development process, I'm posting the latest revision of PEP 1 here. A version of the PEP is always available on-line at http://www.python.org/peps/pep-0001.html Enjoy, -Barry -------------------- snip snip -------------------- PEP: 1 Title: PEP Purpose and Guidelines Version: $Revision: 1.36 $ Last-Modified: $Date: 2002/07/29 18:34:59 $ Author: Barry A. Warsaw, Jeremy Hylton Status: Active Type: Informational Created: 13-Jun-2000 Post-History: 21-Mar-2001, 29-Jul-2002 What is a PEP? PEP stands for Python Enhancement Proposal. A PEP is a design document providing information to the Python community, or describing a new feature for Python. The PEP should provide a concise technical specification of the feature and a rationale for the feature. We intend PEPs to be the primary mechanisms for proposing new features, for collecting community input on an issue, and for documenting the design decisions that have gone into Python. The PEP author is responsible for building consensus within the community and documenting dissenting opinions. Because the PEPs are maintained as plain text files under CVS control, their revision history is the historical record of the feature proposal[1]. Kinds of PEPs There are two kinds of PEPs. A standards track PEP describes a new feature or implementation for Python. An informational PEP describes a Python design issue, or provides general guidelines or information to the Python community, but does not propose a new feature. Informational PEPs do not necessarily represent a Python community consensus or recommendation, so users and implementors are free to ignore informational PEPs or follow their advice. PEP Work Flow The PEP editor, Barry Warsaw <peps(a)python.org>, assigns numbers for each PEP and changes its status. The PEP process begins with a new idea for Python. It is highly recommended that a single PEP contain a single key proposal or new idea. The more focussed the PEP, the more successfully it tends to be. The PEP editor reserves the right to reject PEP proposals if they appear too unfocussed or too broad. If in doubt, split your PEP into several well-focussed ones. Each PEP must have a champion -- someone who writes the PEP using the style and format described below, shepherds the discussions in the appropriate forums, and attempts to build community consensus around the idea. The PEP champion (a.k.a. Author) should first attempt to ascertain whether the idea is PEP-able. Small enhancements or patches often don't need a PEP and can be injected into the Python development work flow with a patch submission to the SourceForge patch manager[2] or feature request tracker[3]. The PEP champion then emails the PEP editor <peps(a)python.org> with a proposed title and a rough, but fleshed out, draft of the PEP. This draft must be written in PEP style as described below. If the PEP editor approves, he will assign the PEP a number, label it as standards track or informational, give it status 'draft', and create and check-in the initial draft of the PEP. The PEP editor will not unreasonably deny a PEP. Reasons for denying PEP status include duplication of effort, being technically unsound, not providing proper motivation or addressing backwards compatibility, or not in keeping with the Python philosophy. The BDFL (Benevolent Dictator for Life, Guido van Rossum) can be consulted during the approval phase, and is the final arbitrator of the draft's PEP-ability. If a pre-PEP is rejected, the author may elect to take the pre-PEP to the comp.lang.python newsgroup (a.k.a. python-list(a)python.org mailing list) to help flesh it out, gain feedback and consensus from the community at large, and improve the PEP for re-submission. The author of the PEP is then responsible for posting the PEP to the community forums, and marshaling community support for it. As updates are necessary, the PEP author can check in new versions if they have CVS commit permissions, or can email new PEP versions to the PEP editor for committing. Standards track PEPs consists of two parts, a design document and a reference implementation. The PEP should be reviewed and accepted before a reference implementation is begun, unless a reference implementation will aid people in studying the PEP. Standards Track PEPs must include an implementation - in the form of code, patch, or URL to same - before it can be considered Final. PEP authors are responsible for collecting community feedback on a PEP before submitting it for review. A PEP that has not been discussed on python-list(a)python.org and/or python-dev(a)python.org will not be accepted. However, wherever possible, long open-ended discussions on public mailing lists should be avoided. Strategies to keep the discussions efficient include, setting up a separate SIG mailing list for the topic, having the PEP author accept private comments in the early design phases, etc. PEP authors should use their discretion here. Once the authors have completed a PEP, they must inform the PEP editor that it is ready for review. PEPs are reviewed by the BDFL and his chosen consultants, who may accept or reject a PEP or send it back to the author(s) for revision. Once a PEP has been accepted, the reference implementation must be completed. When the reference implementation is complete and accepted by the BDFL, the status will be changed to `Final.' A PEP can also be assigned status `Deferred.' The PEP author or editor can assign the PEP this status when no progress is being made on the PEP. Once a PEP is deferred, the PEP editor can re-assign it to draft status. A PEP can also be `Rejected'. Perhaps after all is said and done it was not a good idea. It is still important to have a record of this fact. PEPs can also be replaced by a different PEP, rendering the original obsolete. This is intended for Informational PEPs, where version 2 of an API can replace version 1. PEP work flow is as follows: Draft -> Accepted -> Final -> Replaced ^ +----> Rejected v Deferred Some informational PEPs may also have a status of `Active' if they are never meant to be completed. E.g. PEP 1. What belongs in a successful PEP? Each PEP should have the following parts: 1. Preamble -- RFC822 style headers containing meta-data about the PEP, including the PEP number, a short descriptive title (limited to a maximum of 44 characters), the names, and optionally the contact info for each author, etc. 2. Abstract -- a short (~200 word) description of the technical issue being addressed. 3. Copyright/public domain -- Each PEP must either be explicitly labelled as placed in the public domain (see this PEP as an example) or licensed under the Open Publication License[4]. 4. Specification -- The technical specification should describe the syntax and semantics of any new language feature. The specification should be detailed enough to allow competing, interoperable implementations for any of the current Python platforms (CPython, JPython, Python .NET). 5. Motivation -- The motivation is critical for PEPs that want to change the Python language. It should clearly explain why the existing language specification is inadequate to address the problem that the PEP solves. PEP submissions without sufficient motivation may be rejected outright. 6. Rationale -- The rationale fleshes out the specification by describing what motivated the design and why particular design decisions were made. It should describe alternate designs that were considered and related work, e.g. how the feature is supported in other languages. The rationale should provide evidence of consensus within the community and discuss important objections or concerns raised during discussion. 7. Backwards Compatibility -- All PEPs that introduce backwards incompatibilities must include a section describing these incompatibilities and their severity. The PEP must explain how the author proposes to deal with these incompatibilities. PEP submissions without a sufficient backwards compatibility treatise may be rejected outright. 8. Reference Implementation -- The reference implementation must be completed before any PEP is given status 'Final,' but it need not be completed before the PEP is accepted. It is better to finish the specification and rationale first and reach consensus on it before writing code. The final implementation must include test code and documentation appropriate for either the Python language reference or the standard library reference. PEP Template PEPs are written in plain ASCII text, and should adhere to a rigid style. There is a Python script that parses this style and converts the plain text PEP to HTML for viewing on the web[5]. PEP 9 contains a boilerplate[7] template you can use to get started writing your PEP. Each PEP must begin with an RFC822 style header preamble. The headers must appear in the following order. Headers marked with `*' are optional and are described below. All other headers are required. PEP: <pep number> Title: <pep title> Version: <cvs version string> Last-Modified: <cvs date string> Author: <list of authors' real names and optionally, email addrs> * Discussions-To: <email address> Status: <Draft | Active | Accepted | Deferred | Final | Replaced> Type: <Informational | Standards Track> * Requires: <pep numbers> Created: <date created on, in dd-mmm-yyyy format> * Python-Version: <version number> Post-History: <dates of postings to python-list and python-dev> * Replaces: <pep number> * Replaced-By: <pep number> The Author: header lists the names and optionally, the email addresses of all the authors/owners of the PEP. The format of the author entry should be address(a)dom.ain (Random J. User) if the email address is included, and just Random J. User if the address is not given. If there are multiple authors, each should be on a separate line following RFC 822 continuation line conventions. Note that personal email addresses in PEPs will be obscured as a defense against spam harvesters. Standards track PEPs must have a Python-Version: header which indicates the version of Python that the feature will be released with. Informational PEPs do not need a Python-Version: header. While a PEP is in private discussions (usually during the initial Draft phase), a Discussions-To: header will indicate the mailing list or URL where the PEP is being discussed. No Discussions-To: header is necessary if the PEP is being discussed privately with the author, or on the python-list or python-dev email mailing lists. Note that email addresses in the Discussions-To: header will not be obscured. Created: records the date that the PEP was assigned a number, while Post-History: is used to record the dates of when new versions of the PEP are posted to python-list and/or python-dev. Both headers should be in dd-mmm-yyyy format, e.g. 14-Aug-2001. PEPs may have a Requires: header, indicating the PEP numbers that this PEP depends on. PEPs may also have a Replaced-By: header indicating that a PEP has been rendered obsolete by a later document; the value is the number of the PEP that replaces the current document. The newer PEP must have a Replaces: header containing the number of the PEP that it rendered obsolete. PEP Formatting Requirements PEP headings must begin in column zero and the initial letter of each word must be capitalized as in book titles. Acronyms should be in all capitals. The body of each section must be indented 4 spaces. Code samples inside body sections should be indented a further 4 spaces, and other indentation can be used as required to make the text readable. You must use two blank lines between the last line of a section's body and the next section heading. You must adhere to the Emacs convention of adding two spaces at the end of every sentence. You should fill your paragraphs to column 70, but under no circumstances should your lines extend past column 79. If your code samples spill over column 79, you should rewrite them. Tab characters must never appear in the document at all. A PEP should include the standard Emacs stanza included by example at the bottom of this PEP. A PEP must contain a Copyright section, and it is strongly recommended to put the PEP in the public domain. When referencing an external web page in the body of a PEP, you should include the title of the page in the text, with a footnote reference to the URL. Do not include the URL in the body text of the PEP. E.g. Refer to the Python Language web site [1] for more details. ... [1] http://www.python.org When referring to another PEP, include the PEP number in the body text, such as "PEP 1". The title may optionally appear. Add a footnote reference that includes the PEP's title and author. It may optionally include the explicit URL on a separate line, but only in the References section. Note that the pep2html.py script will calculate URLs automatically, e.g.: ... Refer to PEP 1 [7] for more information about PEP style ... References [7] PEP 1, PEP Purpose and Guidelines, Warsaw, Hylton http://www.python.org/peps/pep-0001.html If you decide to provide an explicit URL for a PEP, please use this as the URL template: http://www.python.org/peps/pep-xxxx.html PEP numbers in URLs must be padded with zeros from the left, so as to be exactly 4 characters wide, however PEP numbers in text are never padded. Reporting PEP Bugs, or Submitting PEP Updates How you report a bug, or submit a PEP update depends on several factors, such as the maturity of the PEP, the preferences of the PEP author, and the nature of your comments. For the early draft stages of the PEP, it's probably best to send your comments and changes directly to the PEP author. For more mature, or finished PEPs you may want to submit corrections to the SourceForge bug manager[6] or better yet, the SourceForge patch manager[2] so that your changes don't get lost. If the PEP author is a SF developer, assign the bug/patch to him, otherwise assign it to the PEP editor. When in doubt about where to send your changes, please check first with the PEP author and/or PEP editor. PEP authors who are also SF committers, can update the PEPs themselves by using "cvs commit" to commit their changes. Remember to also push the formatted PEP text out to the web by doing the following: % python pep2html.py -i NUM where NUM is the number of the PEP you want to push out. See % python pep2html.py --help for details. Transferring PEP Ownership It occasionally becomes necessary to transfer ownership of PEPs to a new champion. In general, we'd like to retain the original author as a co-author of the transferred PEP, but that's really up to the original author. A good reason to transfer ownership is because the original author no longer has the time or interest in updating it or following through with the PEP process, or has fallen off the face of the 'net (i.e. is unreachable or not responding to email). A bad reason to transfer ownership is because you don't agree with the direction of the PEP. We try to build consensus around a PEP, but if that's not possible, you can always submit a competing PEP. If you are interested assuming ownership of a PEP, send a message asking to take over, addressed to both the original author and the PEP editor <peps(a)python.org>. If the original author doesn't respond to email in a timely manner, the PEP editor will make a unilateral decision (it's not like such decisions can be reversed. :). References and Footnotes [1] This historical record is available by the normal CVS commands for retrieving older revisions. For those without direct access to the CVS tree, you can browse the current and past PEP revisions via the SourceForge web site at http://cvs.sourceforge.net/cgi-bin/cvsweb.cgi/python/nondist/peps/?cvsroot=… [2] http://sourceforge.net/tracker/?group_id=5470&atid=305470 [3] http://sourceforge.net/tracker/?atid=355470&group_id=5470&func=browse [4] http://www.opencontent.org/openpub/ [5] The script referred to here is pep2html.py, which lives in the same directory in the CVS tree as the PEPs themselves. Try "pep2html.py --help" for details. The URL for viewing PEPs on the web is http://www.python.org/peps/ [6] http://sourceforge.net/tracker/?group_id=5470&atid=305470 [7] PEP 9, Sample PEP Template http://www.python.org/peps/pep-0009.html Copyright This document has been placed in the public domain. Local Variables: mode: indented-text indent-tabs-mode: nil sentence-end-double-space: t fill-column: 70 End:

8 14

unicode inconsistency?
by Neil Schemenauer March 9, 2005

March 9, 2005

Perhaps this is more approprate for python-list but I looks like a bug to me. Example code: class A: def __str__(self): return u'\u1234' '%s' % u'\u1234' # this works '%s' % A() # this doesn't work It will work if 'A' subclasses from 'unicode' but should not be necessary, IMHO. Any reason why this shouldn't be fixed? Neil

6 15

RE: [Python-Dev] Those import related syntax errors again...
by Samuele Pedroni Feb. 23, 2005

Feb. 23, 2005

Hi. [Mark Hammond] > The point isn't about my suffering as such. The point is more that > python-dev owns a tiny amount of the code out there, and I don't believe we > should put Python's users through this. > > Sure - I would be happy to "upgrade" all the win32all code, no problem. I > am also happy to live in the bleeding edge and take some pain that will > cause. > > The issue is simply the user base, and giving Python a reputation of not > being able to painlessly upgrade even dot revisions. I agree with all this. [As I imagined explicit syntax did not catch up and would require lot of discussions.] [GvR] > > Another way is to use special rules > > (similar to those for class defs), e.g. having > > > > <frag> > > y=3 > > def f(): > > exec "y=2" > > def g(): > > return y > > return g() > > > > print f() > > </frag> > > > > # print 3. > > > > Is that confusing for users? maybe they will more naturally expect 2 > > as outcome (given nested scopes). > > This seems the best compromise to me. It will lead to the least > broken code, because this is the behavior that we had before nested > scopes! It is also quite easy to implement given the current > implementation, I believe. > > Maybe we could introduce a warning rather than an error for this > situation though, because even if this behavior is clearly documented, > it will still be confusing to some, so it is better if we outlaw it in > some future version. > Yes this can be easy to implement but more confusing situations can arise: <frag> y=3 def f(): y=9 exec "y=2" def g(): return y return y,g() print f() </frag> What should this print? the situation leads not to a canonical solution as class def scopes. or <frag> def f(): from foo import * def g(): return y return g() print f() </frag> [Mark Hammond] > > This probably won't be a very popular suggestion, but how about pulling > > nested scopes (I assume they are at the root of the problem) > > until this can be solved cleanly? > > Agreed. While I think nested scopes are kinda cool, I have lived without > them, and really without missing them, for years. At the moment the cure > appears worse then the symptoms in at least a few cases. If nothing else, > it compromises the elegant simplicity of Python that drew me here in the > first place! > > Assuming that people really _do_ want this feature, IMO the bar should be > raised so there are _zero_ backward compatibility issues. I don't say anything about pulling nested scopes (I don't think my opinion can change things in this respect) but I should insist that without explicit syntax IMO raising the bar has a too high impl cost (both performance and complexity) or creates confusion. [Andrew Kuchling] > >Assuming that people really _do_ want this feature, IMO the bar should be > >raised so there are _zero_ backward compatibility issues. > > Even at the cost of additional implementation complexity? At the cost > of having to learn "scopes are nested, unless you do these two things > in which case they're not"? > > Let's not waffle. If nested scopes are worth doing, they're worth > breaking code. Either leave exec and from..import illegal, or back > out nested scopes, or think of some better solution, but let's not > introduce complicated backward compatibility hacks. IMO breaking code would be ok if we issue warnings today and implement nested scopes issuing errors tomorrow. But this is simply a statement about principles and raised impression. IMO import * in an inner scope should end up being an error, not sure about 'exec's. We will need a final BDFL statement. regards, Samuele Pedroni.

18 78

mimetypes and _winreg
by Mike Brown Feb. 2, 2005

Feb. 2, 2005

I thought it would be nice to try to improve the mimetypes module by having it, on Windows, query the Registry to get the mapping of filename extensions to media types, since the mimetypes code currently just blindly checks posix-specific paths for httpd-style mapping files. However, it seems that the way to get mappings from the Windows registry is excessively slow in Python. I'm told that the reason has to do with the limited subset of APIs that are exposed in the _winreg module. I think it is that EnumKey(key, index) is querying for the entire list of subkeys for the given key every time you call it. Or something. Whatever the situation is, the code I tried below is way slower than I think it ought to be. Does anyone have any suggestions (besides "write it in C")? Could _winreg possibly be improved to provide an iterator or better interface to get the subkeys? (or certain ones? There are a lot of keys under HKEY_CLASSES_ROOT, and I only need the ones that start with a period). Should I file this as a feature request? Thanks -Mike from _winreg import HKEY_CLASSES_ROOT, OpenKey, EnumKey, QueryValueEx i = 0 typemap = {} try: while 1: subkeyname = EnumKey(HKEY_CLASSES_ROOT, i) try: subkey = OpenKey(HKEY_CLASSES_ROOT, subkeyname) if subkeyname[:1] == '.': data = QueryValueEx(subkey, 'Content Type')[0] print subkeyname, '=', data typemap[subkeyname] = data # data will be unicode except EnvironmentError, WindowsError: pass i += 1 except WindowsError: pass

3 4

Minor cookielib changes for 2.4b1
by John J Lee Nov. 13, 2004

Nov. 13, 2004

Would anyone care to check this cookielib.py patch in before 2.4b1? http://python.org/sf/1028908 Quote from above: The patch contains uncontroversial changes to cookielib and associated modules, documentation and tests. Would be unfortunate not to have these in 2.4.0. [...SNIP...] John

4 5

Bug [ 959379 ] Implicit close() should check for errors
by Peter Astrand Nov. 7, 2004

Nov. 7, 2004

I'd like to resolve bug 959379. Here's a naive fix. Comments? diff -u -r2.192 fileobject.c --- Objects/fileobject.c 11 Jun 2004 04:49:03 -0000 2.192 +++ Objects/fileobject.c 24 Oct 2004 20:58:49 -0000 @@ -304,7 +304,8 @@ PyObject_ClearWeakRefs((PyObject *) f); if (f->f_fp != NULL && f->f_close != NULL) { Py_BEGIN_ALLOW_THREADS - (*f->f_close)(f->f_fp); + if ((*f->f_close)(f->f_fp) != 0) + perror("close failed"); Py_END_ALLOW_THREADS } PyMem_Free(f->f_setbuf); /Peter Åstrand <astrand(a)lysator.liu.se>

4 8

Tests broken on Windows
by Tim Peters Nov. 1, 2004

Nov. 1, 2004

Current test_shutil is apparently trying to do something that can't work on Windows, so it fails: test_shutil test test_shutil failed -- Traceback (most recent call last): File "C:\Code\python\lib\test\test_shutil.py", line 28, in test_on_error shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror) File "C:\Code\python\lib\shutil.py", line 168, in rmtree onerror(os.rmdir, path, sys.exc_info()) File "C:\Code\python\lib\test\test_shutil.py", line 36, in check_args_to_onerror self.assertEqual(func, os.remove) AssertionError: <built-in function rmdir> != <built-in function remove> 1 test failed: test_shutil After that, it leaves behind temp directories that cause other tests to fail. Sorry, I've got other problems on my stack, and can't make time for this one.

4 10

Windows: PyBanner048.gif damage repaired
by Tim Peters Oct. 31, 2004

Oct. 31, 2004

Lib\email\test\data\PyBanner048.gif wasn't marked binary in CVS. It is now. If you're on Windows, delete your copy, then cvs up to refetch an unmangled copy.

1 0

Pickle breakage with reduce of recursive structures (was: AssertionError in pickle's memoize function)
by Dima Dorfman Oct. 31, 2004

Oct. 31, 2004

[Followups to python-dev, please.] [Michael Hohn] > > > under python 2.2, the pickle/unpickle sequence incorrectly restores > > > a larger data structure I have. > > > > > > Under Python 2.3, these structures now give an explicit exception from > > > Pickle.memoize(): > > > assert id(obj) not in self.memo > > > [Tim Peters] > > Assertions are never expected to fail, so "something impossible > > happened" when they do fail. [Michael Hohn] > Here is a code sample that shows the problem I ran into: Summary for the OP: This is a bug in Python. Using cPickle won't help, but if you don't subclass builtin container types others than list, dict, and tuple, using pickle protocol 2 should work. The rest of this message is for python-dev. The simplest breaking case is: t = type('t', (list,), {}) obj = t() obj.append(obj) pickle.dumps(obj) [infinite recursion] The subclass causes save_reduce to be used instead of save_list. For proto < 2, copy_reg._reduce_ex returns (_reconstructor, list(a)), and the args--list(a)--cycle back through obj. Initially it looks like this should be okay, but the args are saved before obj is memoized, and obj can't be memoized until REDUCE can be executed with the args--and there's the cycle. It is even more obviously impossible from the unpickler's perspective because it has to call _reconstructor([obj]) to create obj! There are two separate problems: 1. Any __reduce__ implementation that returns args that cycle back through the object it tried to reduce hasn't done its job. As described above, _reduce_ex is one such implementation. reduce_2 avoids this by using the listitems and dictitems parameters. Since that's a pickler-side feature it can be used in _reduce_ex too. The basetype(obj) hook (documented in PEP 307) would remain for immutable bases; it doesn't work for containers, but user-defined containers already have to implement their own reduce functions. POC patch: http://www.trit.org/~dima/home/reduce_ex.diff At least the set and deque types also have this problem. 2. The pickle implementations don't detect reduction cycles. Pickling an instance of this obviously broken class causes an infinite recursion: class evil(object): def __reduce__(self): return evil, (self,) It's easy to detect this case. POC patch for the pickle module: http://www.trit.org/~dima/home/redcycle.diff BTW, the failed assert the OP is seeing happens when the cycle goes through another object: t = type('t', (list,), {}) obj = t() d = {'obj': obj} obj.append(d) pickle.dumps(obj) [AssertionError] cPickle has the same problem, but it lacks the assert, so it writes garbage instead: new = cPickle.loads(cPickle.dumps(obj)) new[0]['obj'] is new -> False # wrong obj[0]['obj'] is obj -> True # right This makes the reduction cycle check (#2 above) more than just cosmetic since if cPickle had that assert (it should) it would've been a crash. Right now it's garbage output instead, which is arguably worse. Formally complete versions of the above patches will be on SF tomorrow unless someone suggests better alternatives. Dima.

2 1

Weekly Python Patch/Bug Summary
by Kurt B. Kaiser Oct. 30, 2004

Oct. 30, 2004

Patch / Bug Summary ___________________ Patches : 243 open ( +3) / 2678 closed (+17) / 2921 total (+20) Bugs : 789 open (+17) / 4545 closed (+17) / 5334 total (+34) RFE : 156 open ( +1) / 131 closed ( +0) / 287 total ( +1) New / Reopened Patches ______________________ Fix various x86_64 build issues (2004-10-19) http://python.org/sf/1050475 opened by Bob Halley make distutils.core.run_setup re-entrant (2004-10-20) http://python.org/sf/1051216 opened by Bob Ippolito xml.dom missing API docs (bugs 1010196, 1013525) (2004-10-21) http://python.org/sf/1051321 opened by Mike Brown locale.getdefaultlocale does not return tuple in some OS (2004-10-21) http://python.org/sf/1051395 opened by Jiwon Seo Syntax error in Misc/NEWS (2004-10-22) CLOSED http://python.org/sf/1051866 opened by Felix Wiemann plistlib: add plst resource functionality, fix bugs (2004-10-22) CLOSED http://python.org/sf/1052399 opened by Bob Ippolito urllib2: better import ftplib and gopherlib etc late (2004-10-24) http://python.org/sf/1053150 opened by Robert Kiendl nntplib: add support for NNTP over SSL (2004-10-24) http://python.org/sf/1053365 opened by Reinhard Speyerer ftplib: add support for MDTM command (2004-10-24) http://python.org/sf/1053369 opened by Reinhard Speyerer Decimal speed up (2004-10-24) CLOSED http://python.org/sf/1053375 opened by Facundo Batista mingw compile (2004-10-25) http://python.org/sf/1053879 opened by Matthias Kramm fix inplace string concat hash error (2004-10-25) CLOSED http://python.org/sf/1054197 opened by Bob Halley automatic XMLRPC boxcarring via multicall for xmlrpclib (2004-10-26) http://python.org/sf/1054434 opened by Eric Ries Fix for Unix macro expansion in citetitle (2004-10-26) http://python.org/sf/1054715 opened by Richard Brodie bdist_deb - Debian packager (2004-10-26) http://python.org/sf/1054967 opened by Geoffrey T. Dairiki CGIHTTPServer can't redirect (2004-10-27) http://python.org/sf/1055159 opened by Thomas Guettler cgi.py does not correctly handle fields with ';' (2004-10-27) http://python.org/sf/1055234 opened by Vova typo in comment (unicodeobject.h) (2004-10-28) http://python.org/sf/1056231 opened by Baris Metin python / pythonw replacement in C (2004-10-29) http://python.org/sf/1056561 opened by Michiel de Hoon No ValueError for safe_substitute() (2004-10-29) http://python.org/sf/1056967 opened by Barry A. Warsaw Patches Closed ______________ __main__ for whichdb.py (2004-10-01) http://python.org/sf/1038388 closed by rhettinger Bug fixes and cleanup for decimal.py (2004-10-17) http://python.org/sf/1048728 closed by rhettinger tarfile.py: patch for bug #1017553 (2004-10-10) http://python.org/sf/1043972 closed by akuchling replace() method in unicode objects (2003-02-05) http://python.org/sf/680863 closed by nnorwitz Remove __file__ after running $PYTHONSTARTUP (2003-04-11) http://python.org/sf/719777 closed by nnorwitz sre fixes for lastindex and minimizing repeats+assertions (2003-03-31) http://python.org/sf/712900 closed by nnorwitz Some bug fixes for regular ex code. (2003-04-14) http://python.org/sf/720991 closed by nnorwitz optimize eval_frame (2003-12-21) http://python.org/sf/864059 closed by nnorwitz Implementation for PEP 318 ([as classmethod] version) (2004-04-08) http://python.org/sf/932100 closed by nnorwitz Add FreeBSD* to configure.in for --enable-shared (2004-10-11) http://python.org/sf/1044395 closed by perky New patch for Python 2.3 spec file. (2004-07-23) http://python.org/sf/996316 closed by jafo Syntax error in Misc/NEWS (2004-10-21) http://python.org/sf/1051866 closed by bcannon plistlib: add plst resource functionality, fix bugs (2004-10-22) http://python.org/sf/1052399 closed by jvr Decimal speed up (2004-10-24) http://python.org/sf/1053375 closed by rhettinger fix inplace string concat hash error (2004-10-25) http://python.org/sf/1054197 closed by rhettinger traceback module caches sources invalid (2003-05-14) http://python.org/sf/737473 closed by perky do not add directory of sys.argv[0] into sys.path (2004-05-02) http://python.org/sf/946373 closed by wrobell New / Reopened Bugs ___________________ 2.4b1 Win32 installer eliminates 2.3 assoc (2004-10-20) http://python.org/sf/1050486 opened by Mike C. Fletcher reindent.py strips execute permission on Unix (2004-10-20) http://python.org/sf/1050828 opened by David Ripton incorrect traceback filename from pyc (2004-10-21) http://python.org/sf/1051638 opened by Kevin Quick HTMLParser doesn't treat endtags in <script> tags as CDATA (2004-10-21) http://python.org/sf/1051840 opened by Luke Bradley Appending non-empty element to a non-empty list yields None (2004-10-22) CLOSED http://python.org/sf/1052036 opened by Peer Janssen Seting defaultencoding through an environment variable (2004-10-22) http://python.org/sf/1052098 opened by Diedrich Vorberg page on python api down (2004-10-22) CLOSED http://python.org/sf/1052274 opened by mperpick pdb runcall should accept keyword arguments (2004-10-22) CLOSED http://python.org/sf/1052503 opened by Leonardo Rochael Almeida filelist.findall should use os.lstat (2004-10-23) http://python.org/sf/1052827 opened by Geoffrey T. Dairiki time module returns wrong timezone under windows (2004-10-25) http://python.org/sf/1053539 reopened by panjunyong time module returns wrong timezone under windows (2004-10-25) http://python.org/sf/1053539 opened by panjunyong Unjustified SyntaxWarning (2004-10-25) CLOSED http://python.org/sf/1053604 opened by Markus Gritsch Why is this expression = False? (2004-10-25) CLOSED http://python.org/sf/1053629 opened by Alexander Rødseth PyOS_InputHook not called in subprocess (2004-10-25) http://python.org/sf/1053687 opened by Michiel de Hoon Segfault in tuple_of_constants (2004-10-25) CLOSED http://python.org/sf/1053819 opened by Duncan Grisby help() nor in tutorial index (2004-10-25) CLOSED http://python.org/sf/1053956 opened by Guido van Rossum Python doesn't exit with proper resultcode on SIGINT (2004-10-25) http://python.org/sf/1054041 opened by James Y Knight serious string hashing error in 2.4b1 (2004-10-25) CLOSED http://python.org/sf/1054139 opened by Bob Halley RE '*.?' cores if len of found string exceeds 10000 (2004-10-26) http://python.org/sf/1054564 opened by Rob New failure in debug build (2004-10-26) http://python.org/sf/1054615 opened by Tim Peters difflib HtmlDiff() extra space on inserted 1 character lines (2004-10-26) http://python.org/sf/1054821 opened by Dan Gass Python may contain NFC/NFKC bug per Unicode PRI #29 (2004-10-26) http://python.org/sf/1054943 opened by Rick McGowan pdb.set_trace should go up one more frame (2004-10-27) http://python.org/sf/1055168 opened by Johannes Gijsbers bdist_wininst broken for pure Python distributions (2004-10-27) CLOSED http://python.org/sf/1055540 opened by Thomas Heller weakref callback vs gc vs threads (2004-10-27) http://python.org/sf/1055820 opened by Tim Peters HTMLParser not compliant to XHTML spec (2004-10-27) http://python.org/sf/1055864 opened by Luke Bradley dir() should only return strings (2004-10-28) http://python.org/sf/1056293 opened by Skip Montanaro subprocess fails for args="...", executable="..." (2004-10-28) http://python.org/sf/1056441 opened by Russell Owen Lambda in list comprehension (2004-10-28) CLOSED http://python.org/sf/1056483 opened by Doug Blank minor error in os.access (2004-10-29) http://python.org/sf/1056498 opened by edward ambiguity in os.tmpfile (2004-10-29) CLOSED http://python.org/sf/1056502 opened by edward ambiguity in os.tmpfile (2004-10-29) http://python.org/sf/1056515 opened by edward subprocess works poorly on Windows with Python 2.3 (2004-10-29) http://python.org/sf/1057048 opened by Russell Owen subprocess on Windows 2: unexpected failure (2004-10-29) http://python.org/sf/1057052 opened by Russell Owen subprocess on Windows: extra windows (2004-10-29) http://python.org/sf/1057061 opened by Russell Owen Bugs Closed ___________ relative on-disk SYSTEM id handling is incorrect (2004-02-22) http://python.org/sf/902037 closed by rhettinger filemode() in tarfile.py makes wrong file mode strings (2004-08-27) http://python.org/sf/1017553 closed by akuchling test_subprocess 2.4b1 fails on FreeBSD 5.2 (2004-10-17) http://python.org/sf/1048808 closed by astrand No command line args when script run without python.exe (2004-09-16) http://python.org/sf/1029047 closed by facundobatista Appending non-empty element to a non-empty list yields None (2004-10-22) http://python.org/sf/1052036 closed by peerjanssen page on python api down (2004-10-22) http://python.org/sf/1052274 closed by loewis pdb runcall should accept keyword arguments (2004-10-22) http://python.org/sf/1052503 closed by rhettinger call arg of lambda not updating (2004-10-17) http://python.org/sf/1048870 closed by rhettinger time module returns wrong timezone under windows (2004-10-25) http://python.org/sf/1053539 closed by tim_one Unjustified SyntaxWarning (2004-10-25) http://python.org/sf/1053604 closed by rhettinger Why is this expression = False? (2004-10-25) http://python.org/sf/1053629 closed by doerwalter Segfault in tuple_of_constants (2004-10-25) http://python.org/sf/1053819 closed by rhettinger help() nor in tutorial index (2004-10-25) http://python.org/sf/1053956 closed by rhettinger serious string hashing error in 2.4b1 (2004-10-25) http://python.org/sf/1054139 closed by rhettinger strptime doesn't work with %U (2004-10-12) http://python.org/sf/1045381 closed by bcannon bdist_wininst broken for pure Python distributions (2004-10-28) http://python.org/sf/1055540 closed by mhammond Lambda in list comprehension (2004-10-28) http://python.org/sf/1056483 closed by rhettinger ambiguity in os.tmpfile (2004-10-28) http://python.org/sf/1056502 closed by facundobatista New / Reopened RFE __________________ Attempt to run all atexit handlers (2004-10-22) http://python.org/sf/1052242 opened by Greg Chapman Seting defaultencoding through an environment variable (2004-10-22) http://python.org/sf/1052098 reopened by loewis RFE Closed __________ Seting defaultencoding through an environment variable (2004-10-22) http://python.org/sf/1052098 closed by loewis

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