Mailman 3 April 2010 - Python-checkins

r80616 - in python/trunk: Lib/tarfile.py Lib/test/test_tarfile.py Misc/NEWS
by lars.gustaebel 29 Apr '10

29 Apr '10

Author: lars.gustaebel Date: Thu Apr 29 17:23:38 2010 New Revision: 80616 Log: Issue #8464: tarfile.open(name, mode="w|") no longer creates files with execute permissions set. Modified: python/trunk/Lib/tarfile.py python/trunk/Lib/test/test_tarfile.py python/trunk/Misc/NEWS Modified: python/trunk/Lib/tarfile.py ============================================================================== --- python/trunk/Lib/tarfile.py (original) +++ python/trunk/Lib/tarfile.py Thu Apr 29 17:23:38 2010 @@ -380,7 +380,7 @@ }[mode] if hasattr(os, "O_BINARY"): mode |= os.O_BINARY - self.fd = os.open(name, mode) + self.fd = os.open(name, mode, 0666) def close(self): os.close(self.fd) Modified: python/trunk/Lib/test/test_tarfile.py ============================================================================== --- python/trunk/Lib/test/test_tarfile.py (original) +++ python/trunk/Lib/test/test_tarfile.py Thu Apr 29 17:23:38 2010 @@ -847,6 +847,24 @@ self.assertTrue(data.count("\0") == tarfile.RECORDSIZE, "incorrect zero padding") + def test_file_mode(self): + # Test for issue #8464: Create files with correct + # permissions. + if sys.platform == "win32" or not hasattr(os, "umask"): + return + + if os.path.exists(tmpname): + os.remove(tmpname) + + original_umask = os.umask(0022) + try: + tar = tarfile.open(tmpname, self.mode) + tar.close() + mode = os.stat(tmpname).st_mode & 0777 + self.assertEqual(mode, 0644, "wrong file permissions") + finally: + os.umask(original_umask) + class GNUWriteTest(unittest.TestCase): # This testcase checks for correct creation of GNU Longname Modified: python/trunk/Misc/NEWS ============================================================================== --- python/trunk/Misc/NEWS (original) +++ python/trunk/Misc/NEWS Thu Apr 29 17:23:38 2010 @@ -31,6 +31,9 @@ Library ------- +- Issue #8464: tarfile no longer creates files with execute permissions set + when mode="w|" is used. + - Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions of the Linux kernel. Patch by Yaniv Aknin.

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r80615 - python/branches/release31-maint
by tarek.ziade 29 Apr '10

29 Apr '10

Author: tarek.ziade Date: Thu Apr 29 15:35:28 2010 New Revision: 80615 Log: Blocked revisions 80614 via svnmerge ........ r80614 | tarek.ziade | 2010-04-29 15:34:35 +0200 (Thu, 29 Apr 2010) | 1 line make sure shutil checks for bz2 availability before it uses it. ........ Modified: python/branches/release31-maint/ (props changed)

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r80614 - in python/branches/py3k: Doc/library/shutil.rst Lib/shutil.py Lib/test/test_shutil.py
by tarek.ziade 29 Apr '10

29 Apr '10

Author: tarek.ziade Date: Thu Apr 29 15:34:35 2010 New Revision: 80614 Log: make sure shutil checks for bz2 availability before it uses it. Modified: python/branches/py3k/Doc/library/shutil.rst python/branches/py3k/Lib/shutil.py python/branches/py3k/Lib/test/test_shutil.py Modified: python/branches/py3k/Doc/library/shutil.rst ============================================================================== --- python/branches/py3k/Doc/library/shutil.rst (original) +++ python/branches/py3k/Doc/library/shutil.rst Thu Apr 29 15:34:35 2010 @@ -238,7 +238,7 @@ *base_name* is the name of the file to create, including the path, minus any format-specific extension. *format* is the archive format: one of - "zip", "tar", "bztar" or "gztar". + "zip", "tar", "bztar" (if the :mod:`bz2` module is available) or "gztar". *root_dir* is a directory that will be the root directory of the archive; i.e. we typically chdir into *root_dir* before creating the @@ -264,7 +264,7 @@ By default :mod:`shutil` provides these formats: - *gztar*: gzip'ed tar-file - - *bztar*: bzip2'ed tar-file + - *bztar*: bzip2'ed tar-file (if the :mod:`bz2` module is available.) - *tar*: uncompressed tar file - *zip*: ZIP file @@ -346,7 +346,7 @@ By default :mod:`shutil` provides these formats: - *gztar*: gzip'ed tar-file - - *bztar*: bzip2'ed tar-file + - *bztar*: bzip2'ed tar-file (if the :mod:`bz2` module is available.) - *tar*: uncompressed tar file - *zip*: ZIP file Modified: python/branches/py3k/Lib/shutil.py ============================================================================== --- python/branches/py3k/Lib/shutil.py (original) +++ python/branches/py3k/Lib/shutil.py Thu Apr 29 15:34:35 2010 @@ -14,6 +14,12 @@ import tarfile try: + import bz2 + _BZ2_SUPPORTED = True +except ImportError: + _BZ2_SUPPORTED = False + +try: from pwd import getpwnam except ImportError: getpwnam = None @@ -376,13 +382,17 @@ Returns the output filename. """ - tar_compression = {'gzip': 'gz', 'bzip2': 'bz2', None: ''} - compress_ext = {'gzip': '.gz', 'bzip2': '.bz2'} + tar_compression = {'gzip': 'gz', None: ''} + compress_ext = {'gzip': '.gz'} + + if _BZ2_SUPPORTED: + tar_compression['bzip2'] = 'bz2' + compress_ext['bzip2'] = '.bz2' # flags for compression program, each element of list will be an argument if compress is not None and compress not in compress_ext.keys(): - raise ValueError("bad value for 'compress': must be None, 'gzip', or " - "'bzip2'") + raise ValueError("bad value for 'compress', or compression format not " + "supported : {0}".format(compress)) archive_name = base_name + '.tar' + compress_ext.get(compress, '') archive_dir = os.path.dirname(archive_name) @@ -488,6 +498,10 @@ 'zip': (_make_zipfile, [],"ZIP file") } +if _BZ2_SUPPORTED: + _ARCHIVE_FORMATS['bztar'] = (_make_tarball, [('compress', 'bzip2')], + "bzip2'ed tar-file") + def get_archive_formats(): """Returns a list of supported formats for archiving and unarchiving. @@ -690,11 +704,14 @@ _UNPACK_FORMATS = { 'gztar': (['.tar.gz', '.tgz'], _unpack_tarfile, [], "gzip'ed tar-file"), - 'bztar': (['.bz2'], _unpack_tarfile, [], "bzip2'ed tar-file"), 'tar': (['.tar'], _unpack_tarfile, [], "uncompressed tar file"), 'zip': (['.zip'], _unpack_zipfile, [], "ZIP file") } +if _BZ2_SUPPORTED: + _UNPACK_FORMATS['bztar'] = (['.bz2'], _unpack_tarfile, [], + "bzip2'ed tar-file") + def _find_unpack_format(filename): for name, info in _UNPACK_FORMATS.items(): for extension in info[0]: Modified: python/branches/py3k/Lib/test/test_shutil.py ============================================================================== --- python/branches/py3k/Lib/test/test_shutil.py (original) +++ python/branches/py3k/Lib/test/test_shutil.py Thu Apr 29 15:34:35 2010 @@ -22,6 +22,12 @@ from test import support from test.support import TESTFN, check_warnings, captured_stdout +try: + import bz2 + BZ2_SUPPORTED = True +except ImportError: + BZ2_SUPPORTED = False + TESTFN2 = TESTFN + "2" try: @@ -612,8 +618,11 @@ @unittest.skipUnless(zlib, "Requires zlib") def test_unpack_archive(self): + formats = ['tar', 'gztar', 'zip'] + if BZ2_SUPPORTED: + formats.append('bztar') - for format in ('tar', 'gztar', 'bztar', 'zip'): + for format in formats: tmpdir = self.mkdtemp() base_dir, root_dir, base_name = self._create_files() tmpdir2 = self.mkdtemp()

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r80613 - in python/branches/release31-maint: Misc/ACKS Misc/NEWS Modules/socketmodule.c
by antoine.pitrou 29 Apr '10

29 Apr '10

Author: antoine.pitrou Date: Thu Apr 29 12:18:33 2010 New Revision: 80613 Log: Merged revisions 80612 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ................ r80612 | antoine.pitrou | 2010-04-29 12:11:46 +0200 (jeu., 29 avril 2010) | 10 lines Merged revisions 80610 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r80610 | antoine.pitrou | 2010-04-29 12:05:40 +0200 (jeu., 29 avril 2010) | 4 lines Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions of the Linux kernel. Patch by Yaniv Aknin. ........ ................ Modified: python/branches/release31-maint/ (props changed) python/branches/release31-maint/Misc/ACKS python/branches/release31-maint/Misc/NEWS python/branches/release31-maint/Modules/socketmodule.c Modified: python/branches/release31-maint/Misc/ACKS ============================================================================== --- python/branches/release31-maint/Misc/ACKS (original) +++ python/branches/release31-maint/Misc/ACKS Thu Apr 29 12:18:33 2010 @@ -12,6 +12,7 @@ David Abrahams Jim Ahlstrom Farhan Ahmad +Yaniv Aknin Jyrki Alakuijala Billy G. Allie Kevin Altis Modified: python/branches/release31-maint/Misc/NEWS ============================================================================== --- python/branches/release31-maint/Misc/NEWS (original) +++ python/branches/release31-maint/Misc/NEWS Thu Apr 29 12:18:33 2010 @@ -40,6 +40,9 @@ Library ------- +- Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions + of the Linux kernel. Patch by Yaniv Aknin. + - Issue #6312: Fixed http HEAD request when the transfer encoding is chunked. It should correctly return an empty response now. Modified: python/branches/release31-maint/Modules/socketmodule.c ============================================================================== --- python/branches/release31-maint/Modules/socketmodule.c (original) +++ python/branches/release31-maint/Modules/socketmodule.c Thu Apr 29 12:18:33 2010 @@ -1290,6 +1290,7 @@ char *straddr; addr = (struct sockaddr_l2 *)addr_ret; + memset(addr, 0, sizeof(struct sockaddr_l2)); _BT_L2_MEMB(addr, family) = AF_BLUETOOTH; if (!PyArg_ParseTuple(args, "si", &straddr, &_BT_L2_MEMB(addr, psm))) {

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r80612 - in python/branches/py3k: Misc/ACKS Misc/NEWS Modules/socketmodule.c
by antoine.pitrou 29 Apr '10

29 Apr '10

Author: antoine.pitrou Date: Thu Apr 29 12:11:46 2010 New Revision: 80612 Log: Merged revisions 80610 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r80610 | antoine.pitrou | 2010-04-29 12:05:40 +0200 (jeu., 29 avril 2010) | 4 lines Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions of the Linux kernel. Patch by Yaniv Aknin. ........ Modified: python/branches/py3k/ (props changed) python/branches/py3k/Misc/ACKS python/branches/py3k/Misc/NEWS python/branches/py3k/Modules/socketmodule.c Modified: python/branches/py3k/Misc/ACKS ============================================================================== --- python/branches/py3k/Misc/ACKS (original) +++ python/branches/py3k/Misc/ACKS Thu Apr 29 12:11:46 2010 @@ -13,6 +13,7 @@ Jim Ahlstrom Farhan Ahmad Nir Aides +Yaniv Aknin Jyrki Alakuijala Billy G. Allie Kevin Altis Modified: python/branches/py3k/Misc/NEWS ============================================================================== --- python/branches/py3k/Misc/NEWS (original) +++ python/branches/py3k/Misc/NEWS Thu Apr 29 12:11:46 2010 @@ -339,6 +339,9 @@ Library ------- +- Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions + of the Linux kernel. Patch by Yaniv Aknin. + - Issue #8295: Added shutil.unpack_archive. - Issue #6312: Fixed http HEAD request when the transfer encoding is chunked. Modified: python/branches/py3k/Modules/socketmodule.c ============================================================================== --- python/branches/py3k/Modules/socketmodule.c (original) +++ python/branches/py3k/Modules/socketmodule.c Thu Apr 29 12:11:46 2010 @@ -1290,6 +1290,7 @@ char *straddr; addr = (struct sockaddr_l2 *)addr_ret; + memset(addr, 0, sizeof(struct sockaddr_l2)); _BT_L2_MEMB(addr, family) = AF_BLUETOOTH; if (!PyArg_ParseTuple(args, "si", &straddr, &_BT_L2_MEMB(addr, psm))) {

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r80605 - python/trunk/Doc/whatsnew/2.7.rst
by andrew.kuchling 29 Apr '10

29 Apr '10

Author: andrew.kuchling Date: Thu Apr 29 02:22:16 2010 New Revision: 80605 Log: Add various items Modified: python/trunk/Doc/whatsnew/2.7.rst Modified: python/trunk/Doc/whatsnew/2.7.rst ============================================================================== --- python/trunk/Doc/whatsnew/2.7.rst (original) +++ python/trunk/Doc/whatsnew/2.7.rst Thu Apr 29 02:22:16 2010 @@ -12,6 +12,8 @@ .. unittest test discovery .. hyperlink all the methods & functions. +.. T_STRING_INPLACE not described in main docs + .. $Id$ Rules for maintenance: @@ -654,6 +656,11 @@ export PYTHONWARNINGS=all,error:::Cookie:0 +When running a module using the interpreter's :option:`-m` switch, +``sys.argv[0]`` will now be set to the string ``'-m'`` while the +module is being imported. This will let modules determine when +they're being executed using :option:`-m`. (Suggested by Michael +Foord; implemented by Nick Coghlan; :issue:`8202`.) .. ====================================================================== @@ -909,11 +916,14 @@ more sensible for numeric types. (Changed by Mark Dickinson; :issue:`6857`.) * The :mod:`difflib` module now produces output that is more - compatible with modern :command:`diff`/:command:`patch` tools thanks - to two changes: 1) the header giving the filename now uses a tab - character instead of spaces as a separator, and 2) the date format - used is now ISO-8601 style, ``2005-01-26 23:30:50``. (Fixed by - Anatoly Techtonik; :issue:`7585`.) + compatible with modern :command:`diff`/:command:`patch` tools + through one small change, using a tab character instead of spaces as + a separator in the header giving the filename. (Fixed by Anatoly + Techtonik; :issue:`7585`.) + +* The :mod:`doctest` module's :const:`IGNORE_EXCEPTION_DETAIL` flag + will now ignore the name of the module containing the exception + being tested. (Patch by Lennart Regebro; :issue:`7490`.) * The :class:`~fractions.Fraction` class now accepts a single float or :class:`~decimal.Decimal` instance, or two rational numbers, as @@ -1151,6 +1161,11 @@ code being returned from :meth:`recv` operations that trigger an SSL renegotiation (fix by Antoine Pitrou; :issue:`8222`). + Another changes makes the extension load all of OpenSSL's ciphers + and digest algorithms. Some SSL certificates couldn't be verified, + reporting an 'unknown algorithm' error. (Reported by Beda Kosata, and + fixed by Antoine Pitrou; :issue:`8484`.) + The version of OpenSSL being used is now available as the module attributes :attr:`OPENSSL_VERSION` (a string), :attr:`OPENSSL_VERSION_INFO` (a 5-tuple), and @@ -1216,6 +1231,10 @@ false for ones that are implicitly global. (Contributed by Jeremy Hylton.) +* The :mod:`syslog` module will now use the value of ``sys.argv[0]`` as the + identifier instead of the previous default value of ``'python'``. + (Changed by Sean Reifschneider; :issue:`8451`.) + * The ``sys.version_info`` value is now a named tuple, with attributes named :attr:`major`, :attr:`minor`, :attr:`micro`, :attr:`releaselevel`, and :attr:`serial`. (Contributed by Ross @@ -1623,6 +1642,12 @@ being raised when an interpreter shuts down. (Patch by Adam Olsen; :issue:`1722344`.) +* When using the :ctype:`PyMemberDef` structure to define attributes + of a type, Python will no longer let you try to delete or set a + :const:`T_STRING_INPLACE` attribute. + + .. rev 79644 + * Global symbols defined by the :mod:`ctypes` module are now prefixed with ``Py``, or with ``_ctypes``. (Implemented by Thomas Heller; :issue:`3102`.) @@ -1672,6 +1697,14 @@ and :data:`LIBRARIES_ASSEMBLY_NAME_PREFIX`. (Contributed by David Cournapeau; :issue:`4365`.) +* The :mod:`_winreg` module for accessing the registry now implements + the :func:`CreateKeyEx` and :func:`DeleteKeyEx` functions, extended + versions of previously-supported functions that take several extra + arguments. The :func:`DisableReflectionKey`, + :func:`EnableReflectionKey`, and :func:`QueryReflectionKey` were also + tested and documented. + (Implemented by Brian Curtin: :issue:`7347`.) + * The new :cfunc:`_beginthreadex` API is used to start threads, and the native thread-local storage functions are now used. (Contributed by Kristjan Valur Jonsson; :issue:`3582`.) @@ -1747,14 +1780,8 @@ This section lists previously described changes and other bugfixes that may require changes to your code: -* When using :class:`Decimal` instances with a string's - :meth:`format` method, the default alignment was previously - left-alignment. This has been changed to right-alignment, which might - change the output of your programs. - (Changed by Mark Dickinson; :issue:`6857`.) - - Another :meth:`format`-related change: the default precision used - for floating-point and complex numbers was changed from 6 decimal +* The string :meth:`format` method changed the default precision used + for floating-point and complex numbers from 6 decimal places to 12, which matches the precision used by :func:`str`. (Changed by Eric Smith; :issue:`5920`.) @@ -1768,14 +1795,25 @@ nothing when a negative length is requested, as other file-like objects do. (:issue:`7348`). + In the standard library: +* When using :class:`Decimal` instances with a string's + :meth:`format` method, the default alignment was previously + left-alignment. This has been changed to right-alignment, which might + change the output of your programs. + (Changed by Mark Dickinson; :issue:`6857`.) + * The ElementTree library, :mod:`xml.etree`, no longer escapes ampersands and angle brackets when outputting an XML processing instruction (which looks like `<?xml-stylesheet href="#style1"?>`) or comment (which looks like ``). (Patch by Neil Muller; :issue:`2746`.) +* The :mod:`syslog` module will now use the value of ``sys.argv[0]`` as the + identifier instead of the previous default value of ``'python'``. + (Changed by Sean Reifschneider; :issue:`8451`.) + For C extensions: * C extensions that use integer format codes with the ``PyArg_Parse*``

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r80611 - in python/branches/release26-maint: Misc/ACKS Misc/NEWS Modules/socketmodule.c
by antoine.pitrou 29 Apr '10

29 Apr '10

Author: antoine.pitrou Date: Thu Apr 29 12:07:38 2010 New Revision: 80611 Log: Merged revisions 80610 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r80610 | antoine.pitrou | 2010-04-29 12:05:40 +0200 (jeu., 29 avril 2010) | 4 lines Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions of the Linux kernel. Patch by Yaniv Aknin. ........ Modified: python/branches/release26-maint/ (props changed) python/branches/release26-maint/Misc/ACKS python/branches/release26-maint/Misc/NEWS python/branches/release26-maint/Modules/socketmodule.c Modified: python/branches/release26-maint/Misc/ACKS ============================================================================== --- python/branches/release26-maint/Misc/ACKS (original) +++ python/branches/release26-maint/Misc/ACKS Thu Apr 29 12:07:38 2010 @@ -13,6 +13,7 @@ David Abrahams Jim Ahlstrom Farhan Ahmad +Yaniv Aknin Jyrki Alakuijala Billy G. Allie Kevin Altis Modified: python/branches/release26-maint/Misc/NEWS ============================================================================== --- python/branches/release26-maint/Misc/NEWS (original) +++ python/branches/release26-maint/Misc/NEWS Thu Apr 29 12:07:38 2010 @@ -33,6 +33,9 @@ Library ------- +- Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions + of the Linux kernel. Patch by Yaniv Aknin. + - Issue #6312: Fixed http HEAD request when the transfer encoding is chunked. It should correctly return an empty response now. Modified: python/branches/release26-maint/Modules/socketmodule.c ============================================================================== --- python/branches/release26-maint/Modules/socketmodule.c (original) +++ python/branches/release26-maint/Modules/socketmodule.c Thu Apr 29 12:07:38 2010 @@ -1314,6 +1314,7 @@ char *straddr; addr = (struct sockaddr_l2 *)addr_ret; + memset(addr, 0, sizeof(struct sockaddr_l2)); _BT_L2_MEMB(addr, family) = AF_BLUETOOTH; if (!PyArg_ParseTuple(args, "si", &straddr, &_BT_L2_MEMB(addr, psm))) {

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r80610 - in python/trunk: Misc/ACKS Misc/NEWS Modules/socketmodule.c
by antoine.pitrou 29 Apr '10

29 Apr '10

Author: antoine.pitrou Date: Thu Apr 29 12:05:40 2010 New Revision: 80610 Log: Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions of the Linux kernel. Patch by Yaniv Aknin. Modified: python/trunk/Misc/ACKS python/trunk/Misc/NEWS python/trunk/Modules/socketmodule.c Modified: python/trunk/Misc/ACKS ============================================================================== --- python/trunk/Misc/ACKS (original) +++ python/trunk/Misc/ACKS Thu Apr 29 12:05:40 2010 @@ -14,6 +14,7 @@ Jim Ahlstrom Farhan Ahmad Nir Aides +Yaniv Aknin Jyrki Alakuijala Billy G. Allie Kevin Altis Modified: python/trunk/Misc/NEWS ============================================================================== --- python/trunk/Misc/NEWS (original) +++ python/trunk/Misc/NEWS Thu Apr 29 12:05:40 2010 @@ -31,6 +31,9 @@ Library ------- +- Issue #7834: Fix connect() of Bluetooth L2CAP sockets with recent versions + of the Linux kernel. Patch by Yaniv Aknin. + - Issue #6312: Fixed http HEAD request when the transfer encoding is chunked. It should correctly return an empty response now. Modified: python/trunk/Modules/socketmodule.c ============================================================================== --- python/trunk/Modules/socketmodule.c (original) +++ python/trunk/Modules/socketmodule.c Thu Apr 29 12:05:40 2010 @@ -1326,6 +1326,7 @@ char *straddr; addr = (struct sockaddr_l2 *)addr_ret; + memset(addr, 0, sizeof(struct sockaddr_l2)); _BT_L2_MEMB(addr, family) = AF_BLUETOOTH; if (!PyArg_ParseTuple(args, "si", &straddr, &_BT_L2_MEMB(addr, psm))) {

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r80609 - python/trunk/Doc/reference/introduction.rst
by benjamin.peterson 29 Apr '10

29 Apr '10

Author: benjamin.peterson Date: Thu Apr 29 05:30:59 2010 New Revision: 80609 Log: update pypy url Modified: python/trunk/Doc/reference/introduction.rst Modified: python/trunk/Doc/reference/introduction.rst ============================================================================== --- python/trunk/Doc/reference/introduction.rst (original) +++ python/trunk/Doc/reference/introduction.rst Thu Apr 29 05:30:59 2010 @@ -73,7 +73,7 @@ and a Just in Time compiler. One of the goals of the project is to encourage experimentation with the language itself by making it easier to modify the interpreter (since it is written in Python). Additional information is - available on `the PyPy project's home page <http://codespeak.net/pypy/>`_. + available on `the PyPy project's home page <http://pypy.org/>`_. Each of these implementations varies in some way from the language as documented in this manual, or introduces specific information beyond what's covered in the

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r80608 - python/trunk/Doc/reference/introduction.rst
by benjamin.peterson 29 Apr '10

29 Apr '10

Author: benjamin.peterson Date: Thu Apr 29 05:18:05 2010 New Revision: 80608 Log: update pypy description Modified: python/trunk/Doc/reference/introduction.rst Modified: python/trunk/Doc/reference/introduction.rst ============================================================================== --- python/trunk/Doc/reference/introduction.rst (original) +++ python/trunk/Doc/reference/introduction.rst Thu Apr 29 05:18:05 2010 @@ -68,12 +68,12 @@ more information, see `the IronPython website <http://www.ironpython.com/>`_. PyPy - An implementation of Python written in Python; even the bytecode interpreter is - written in Python. This is executed using CPython as the underlying - interpreter. One of the goals of the project is to encourage experimentation - with the language itself by making it easier to modify the interpreter (since it - is written in Python). Additional information is available on `the PyPy - project's home page <http://codespeak.net/pypy/>`_. + An implementation of Python written completely in Python. It supports several + advanced features not found in other implementations like stackless support + and a Just in Time compiler. One of the goals of the project is to encourage + experimentation with the language itself by making it easier to modify the + interpreter (since it is written in Python). Additional information is + available on `the PyPy project's home page <http://codespeak.net/pypy/>`_. Each of these implementations varies in some way from the language as documented in this manual, or introduces specific information beyond what's covered in the

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