diff options
-rw-r--r-- | Doc/library/logging.rst | 9 | ||||
-rw-r--r-- | Lib/logging/handlers.py | 72 | ||||
-rw-r--r-- | Lib/test/test_code.py | 4 | ||||
-rw-r--r-- | Lib/test/test_collections.py | 5 | ||||
-rw-r--r-- | Lib/test/test_io.py | 31 | ||||
-rw-r--r-- | Lib/test/test_lib2to3.py | 4 | ||||
-rw-r--r-- | Lib/test/test_signal.py | 30 | ||||
-rw-r--r-- | Lib/test/test_socket.py | 14 | ||||
-rw-r--r-- | Lib/test/test_support.py | 18 | ||||
-rw-r--r-- | Misc/NEWS | 199 | ||||
-rw-r--r-- | README | 8 |
11 files changed, 333 insertions, 61 deletions
diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst index 8ffa301..ac462fe 100644 --- a/Doc/library/logging.rst +++ b/Doc/library/logging.rst @@ -1649,10 +1649,11 @@ timed intervals. The system will save old log files by appending extensions to the filename. The extensions are date-and-time based, using the strftime format - ``%Y-%m-%d_%H-%M-%S`` or a leading portion thereof, depending on the rollover - interval. If *backupCount* is nonzero, at most *backupCount* files will be - kept, and if more would be created when rollover occurs, the oldest one is - deleted. + ``%Y-%m-%d_%H-%M-%S`` or a leading portion thereof, depending on the + rollover interval. If *backupCount* is nonzero, at most *backupCount* files + will be kept, and if more would be created when rollover occurs, the oldest + one is deleted. The deletion logic uses the interval to determine which + files to delete, so changing the interval may leave old files lying around. .. method:: TimedRotatingFileHandler.doRollover() diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py index 4645f3e..9cb0e09 100644 --- a/Lib/logging/handlers.py +++ b/Lib/logging/handlers.py @@ -19,12 +19,12 @@ Additional handlers for the logging package for Python. The core package is based on PEP 282 and comments thereto in comp.lang.python, and influenced by Apache's log4j system. -Copyright (C) 2001-2007 Vinay Sajip. All Rights Reserved. +Copyright (C) 2001-2008 Vinay Sajip. All Rights Reserved. To use, simply 'import logging' and log away! """ -import logging, socket, os, pickle, struct, time, glob +import logging, socket, os, pickle, struct, time, re from stat import ST_DEV, ST_INO try: @@ -173,15 +173,19 @@ class TimedRotatingFileHandler(BaseRotatingHandler): if self.when == 'S': self.interval = 1 # one second self.suffix = "%Y-%m-%d_%H-%M-%S" + self.extMatch = r"^\d{4}-\d{2}-\d{2}_\d{2}-\d{2}-\d{2}$" elif self.when == 'M': self.interval = 60 # one minute self.suffix = "%Y-%m-%d_%H-%M" + self.extMatch = r"^\d{4}-\d{2}-\d{2}_\d{2}-\d{2}$" elif self.when == 'H': self.interval = 60 * 60 # one hour self.suffix = "%Y-%m-%d_%H" + self.extMatch = r"^\d{4}-\d{2}-\d{2}_\d{2}$" elif self.when == 'D' or self.when == 'MIDNIGHT': self.interval = 60 * 60 * 24 # one day self.suffix = "%Y-%m-%d" + self.extMatch = r"^\d{4}-\d{2}-\d{2}$" elif self.when.startswith('W'): self.interval = 60 * 60 * 24 * 7 # one week if len(self.when) != 2: @@ -190,9 +194,11 @@ class TimedRotatingFileHandler(BaseRotatingHandler): raise ValueError("Invalid day specified for weekly rollover: %s" % self.when) self.dayOfWeek = int(self.when[1]) self.suffix = "%Y-%m-%d" + self.extMatch = r"^\d{4}-\d{2}-\d{2}$" else: raise ValueError("Invalid rollover interval specified: %s" % self.when) + self.extMatch = re.compile(self.extMatch) self.interval = self.interval * interval # multiply by units requested self.rolloverAt = currentTime + self.interval @@ -235,16 +241,24 @@ class TimedRotatingFileHandler(BaseRotatingHandler): daysToWait = self.dayOfWeek - day else: daysToWait = 6 - day + self.dayOfWeek + 1 - self.rolloverAt = self.rolloverAt + (daysToWait * (60 * 60 * 24)) + newRolloverAt = self.rolloverAt + (daysToWait * (60 * 60 * 24)) + dstNow = t[-1] + dstAtRollover = time.localtime(newRolloverAt)[-1] + if dstNow != dstAtRollover: + if not dstNow: # DST kicks in before next rollover, so we need to deduct an hour + newRolloverAt = newRolloverAt - 3600 + else: # DST bows out before next rollover, so we need to add an hour + newRolloverAt = newRolloverAt + 3600 + self.rolloverAt = newRolloverAt #print "Will rollover at %d, %d seconds from now" % (self.rolloverAt, self.rolloverAt - currentTime) def shouldRollover(self, record): """ - Determine if rollover should occur + Determine if rollover should occur. record is not used, as we are just comparing times, but it is needed so - the method siguratures are the same + the method signatures are the same """ t = int(time.time()) if t >= self.rolloverAt: @@ -252,6 +266,29 @@ class TimedRotatingFileHandler(BaseRotatingHandler): #print "No need to rollover: %d, %d" % (t, self.rolloverAt) return 0 + def getFilesToDelete(self): + """ + Determine the files to delete when rolling over. + + More specific than the earlier method, which just used glob.glob(). + """ + dirName, baseName = os.path.split(self.baseFilename) + fileNames = os.listdir(dirName) + result = [] + prefix = baseName + "." + plen = len(prefix) + for fileName in fileNames: + if fileName[:plen] == prefix: + suffix = fileName[plen:] + if self.extMatch.match(suffix): + result.append(fileName) + result.sort() + if len(result) < self.backupCount: + result = [] + else: + result = result[:len(result) - self.backupCount] + return result + def doRollover(self): """ do a rollover; in this case, a date/time stamp is appended to the filename @@ -270,14 +307,29 @@ class TimedRotatingFileHandler(BaseRotatingHandler): os.rename(self.baseFilename, dfn) if self.backupCount > 0: # find the oldest log file and delete it - s = glob.glob(self.baseFilename + ".20*") - if len(s) > self.backupCount: - s.sort() - os.remove(s[0]) + #s = glob.glob(self.baseFilename + ".20*") + #if len(s) > self.backupCount: + # s.sort() + # os.remove(s[0]) + for s in self.getFilesToDelete(): + os.remove(s) #print "%s -> %s" % (self.baseFilename, dfn) self.mode = 'w' self.stream = self._open() - self.rolloverAt = self.rolloverAt + self.interval + newRolloverAt = self.rolloverAt + self.interval + currentTime = int(time.time()) + while newRolloverAt <= currentTime: + newRolloverAt = newRolloverAt + self.interval + #If DST changes and midnight or weekly rollover, adjust for this. + if self.when == 'MIDNIGHT' or self.when.startswith('W'): + dstNow = time.localtime(currentTime)[-1] + dstAtRollover = time.localtime(newRolloverAt)[-1] + if dstNow != dstAtRollover: + if not dstNow: # DST kicks in before next rollover, so we need to deduct an hour + newRolloverAt = newRolloverAt - 3600 + else: # DST bows out before next rollover, so we need to add an hour + newRolloverAt = newRolloverAt + 3600 + self.rolloverAt = newRolloverAt class WatchedFileHandler(logging.FileHandler): """ diff --git a/Lib/test/test_code.py b/Lib/test/test_code.py index 7512263..63378c2 100644 --- a/Lib/test/test_code.py +++ b/Lib/test/test_code.py @@ -122,3 +122,7 @@ def test_main(verbose=None): from test.test_support import run_doctest from test import test_code run_doctest(test_code, verbose) + + +if __name__ == '__main__': + test_main() diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py index 77af0fb..9384744 100644 --- a/Lib/test/test_collections.py +++ b/Lib/test/test_collections.py @@ -317,13 +317,12 @@ class TestCollectionABCs(unittest.TestCase): self.failIf(issubclass(str, MutableSequence)) import doctest, collections -NamedTupleDocs = doctest.DocTestSuite(module=collections) def test_main(verbose=None): - import collections as CollectionsModule + NamedTupleDocs = doctest.DocTestSuite(module=collections) test_classes = [TestNamedTuple, NamedTupleDocs, TestOneTrickPonyABCs, TestCollectionABCs] test_support.run_unittest(*test_classes) - test_support.run_doctest(CollectionsModule, verbose) + test_support.run_doctest(collections, verbose) if __name__ == "__main__": diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py index f0e79312..0c37cc7 100644 --- a/Lib/test/test_io.py +++ b/Lib/test/test_io.py @@ -574,6 +574,22 @@ class StatefulIncrementalDecoder(codecs.IncrementalDecoder): self.buffer = bytearray() return output + codecEnabled = False + + @classmethod + def lookupTestDecoder(cls, name): + if cls.codecEnabled and name == 'test_decoder': + return codecs.CodecInfo( + name='test_decoder', encode=None, decode=None, + incrementalencoder=None, + streamreader=None, streamwriter=None, + incrementaldecoder=cls) + +# Register the previous decoder for testing. +# Disabled by default, tests will enable it. +codecs.register(StatefulIncrementalDecoder.lookupTestDecoder) + + class StatefulIncrementalDecoderTest(unittest.TestCase): """ Make sure the StatefulIncrementalDecoder actually works. @@ -899,14 +915,6 @@ class TextIOWrapperTest(unittest.TestCase): def testSeekAndTell(self): """Test seek/tell using the StatefulIncrementalDecoder.""" - def lookupTestDecoder(name): - if self.codecEnabled and name == 'test_decoder': - return codecs.CodecInfo( - name='test_decoder', encode=None, decode=None, - incrementalencoder=None, - streamreader=None, streamwriter=None, - incrementaldecoder=StatefulIncrementalDecoder) - def testSeekAndTellWithData(data, min_pos=0): """Tell/seek to various points within a data stream and ensure that the decoded data returned by read() is consistent.""" @@ -927,9 +935,8 @@ class TextIOWrapperTest(unittest.TestCase): self.assertEquals(f.read(), decoded[i:]) f.close() - # Register a special incremental decoder for testing. - codecs.register(lookupTestDecoder) - self.codecEnabled = 1 + # Enable the test decoder. + StatefulIncrementalDecoder.codecEnabled = 1 # Run the tests. try: @@ -948,7 +955,7 @@ class TextIOWrapperTest(unittest.TestCase): # Ensure our test decoder won't interfere with subsequent tests. finally: - self.codecEnabled = 0 + StatefulIncrementalDecoder.codecEnabled = 0 def testEncodedWrites(self): data = "1234567890" diff --git a/Lib/test/test_lib2to3.py b/Lib/test/test_lib2to3.py index beda695..161b9dd 100644 --- a/Lib/test/test_lib2to3.py +++ b/Lib/test/test_lib2to3.py @@ -13,3 +13,7 @@ def suite(): def test_main(): run_unittest(suite()) + + +if __name__ == '__main__': + test_main() diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py index 3c039a1..8c12f57 100644 --- a/Lib/test/test_signal.py +++ b/Lib/test/test_signal.py @@ -28,6 +28,15 @@ def exit_subprocess(): os._exit(0) +def ignoring_eintr(__func, *args, **kwargs): + try: + return __func(*args, **kwargs) + except IOError as e: + if e.errno != signal.EINTR: + raise + return None + + class InterProcessSignalTests(unittest.TestCase): MAX_DURATION = 20 # Entire test should last at most 20 sec. @@ -77,8 +86,11 @@ class InterProcessSignalTests(unittest.TestCase): if test_support.verbose: print("test runner's pid is", pid) - child = subprocess.Popen(['kill', '-HUP', str(pid)]) - self.wait(child) + child = ignoring_eintr(subprocess.Popen, ['kill', '-HUP', str(pid)]) + if child: + self.wait(child) + if not self.a_called: + time.sleep(1) # Give the signal time to be delivered. self.assertTrue(self.a_called) self.assertFalse(self.b_called) self.a_called = False @@ -87,6 +99,7 @@ class InterProcessSignalTests(unittest.TestCase): child = subprocess.Popen(['kill', '-USR1', str(pid)]) # This wait should be interrupted by the signal's exception. self.wait(child) + time.sleep(1) # Give the signal time to be delivered. self.fail('HandlerBCalled exception not thrown') except HandlerBCalled: self.assertTrue(self.b_called) @@ -94,8 +107,9 @@ class InterProcessSignalTests(unittest.TestCase): if test_support.verbose: print("HandlerBCalled exception caught") - child = subprocess.Popen(['kill', '-USR2', str(pid)]) - self.wait(child) # Nothing should happen. + child = ignoring_eintr(subprocess.Popen, ['kill', '-USR2', str(pid)]) + if child: + self.wait(child) # Nothing should happen. try: signal.alarm(1) @@ -103,14 +117,18 @@ class InterProcessSignalTests(unittest.TestCase): # since alarm is going to raise a KeyboardException, which # will skip the call. signal.pause() + # But if another signal arrives before the alarm, pause + # may return early. + time.sleep(1) except KeyboardInterrupt: if test_support.verbose: print("KeyboardInterrupt (the alarm() went off)") except: - self.fail('Some other exception woke us from pause: %s' % + self.fail("Some other exception woke us from pause: %s" % traceback.format_exc()) else: - self.fail('pause returned of its own accord') + self.fail("pause returned of its own accord, and the signal" + " didn't arrive after another second.") def test_main(self): # This function spawns a child process to insulate the main diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py index f4abffa..2bec373 100644 --- a/Lib/test/test_socket.py +++ b/Lib/test/test_socket.py @@ -15,14 +15,6 @@ import array from weakref import proxy import signal -# Temporary hack to see why test_socket hangs on one buildbot -if os.environ.get('COMPUTERNAME') == "GRAPE": - def verbose_write(arg): - print(arg, file=sys.__stdout__) -else: - def verbose_write(arg): - pass - PORT = 50007 HOST = 'localhost' MSG = b'Michael Gilfix was here\n' @@ -30,21 +22,15 @@ MSG = b'Michael Gilfix was here\n' class SocketTCPTest(unittest.TestCase): def setUp(self): - verbose_write(self) self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.serv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) - verbose_write(str(self) + " socket created") global PORT PORT = test_support.bind_port(self.serv, HOST, PORT) - verbose_write(str(self) + " start listening") self.serv.listen(1) - verbose_write(str(self) + " started") def tearDown(self): - verbose_write(str(self) + " close") self.serv.close() self.serv = None - verbose_write(str(self) + " done") class SocketUDPTest(unittest.TestCase): diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py index f9ed396..d2be9bf 100644 --- a/Lib/test/test_support.py +++ b/Lib/test/test_support.py @@ -381,19 +381,23 @@ def transient_internet(): @contextlib.contextmanager -def captured_stdout(): - """Run the with statement body using a StringIO object as sys.stdout. - Example use:: +def captured_output(stream_name): + """Run the 'with' statement body using a StringIO object in place of a + specific attribute on the sys module. + Example use (with 'stream_name=stdout'):: with captured_stdout() as s: print "hello" assert s.getvalue() == "hello" """ import io - orig_stdout = sys.stdout - sys.stdout = io.StringIO() - yield sys.stdout - sys.stdout = orig_stdout + orig_stdout = getattr(sys, stream_name) + setattr(sys, stream_name, io.StringIO()) + yield getattr(sys, stream_name) + setattr(sys, stream_name, orig_stdout) + +def captured_stdout(): + return captured_output("stdout") #======================================================================= @@ -29,6 +29,19 @@ Library as a build_py replacement to automatically run 2to3 on modules that are going to be installed. +- Issue #2315: logging.handlers: TimedRotatingFileHandler now accounts for + daylight savings time in calculating the next rollover. + +- Issue #2316: logging.handlers: TimedRotatingFileHandler now calculates + rollovers correctly even when nothing is logged for a while. + +- Issue #2317: logging.handlers: TimedRotatingFileHandler now uses improved + logic for removing old files. + +- Issue #2495: tokenize.untokenize now inserts a space between two consecutive + string literals; previously, ["" ""] was rendered as [""""], which is + incorrect python code. + - A new pickle protocol (protocol 3) is added with explicit support for bytes. This is the default protocol. It intentionally cannot be unpickled by Python 2.x. @@ -57,6 +70,115 @@ Library What's New in Python 3.0a3? =========================== +- Issue #1681432: Add triangular distribution to the random module + +- Issue #2136: urllib2's auth handler now allows single-quoted realms in the + WWW-Authenticate header. + +- Issue #2434: Enhanced platform.win32_ver() to also work on Python + installation which do not have the win32all package installed. + +- Added support to platform.uname() to also report the machine + and processor information on Windows XP and later. As a result, + platform.machine() and platform.processor() will report this + information as well. + +- The library implementing the 2to3 conversion, lib2to3, was added + to the standard distribution. + +- Issue #1747858: Fix chown to work with large uid's and gid's on 64-bit + platforms. + +- Issue #1202: zlib.crc32 and zlib.adler32 no longer return different values + on 32-bit vs. 64-bit python interpreters. Both were correct, but they now + both return a signed integer object for consistency. + +- Issue #1158: add %f format (fractions of a second represented as + microseconds) to datetime objects. Understood by both strptime and + strftime. + +- Issue #705836: struct.pack(">f", x) now raises OverflowError on all + platforms when x is too large to fit into an IEEE 754 float; previously + it only raised OverflowError on non IEEE 754 platforms. + +- Issue #1106316: pdb.post_mortem()'s parameter, "traceback", is now + optional: it defaults to the traceback of the exception that is currently + being handled (is mandatory to be in the middle of an exception, otherwise + it raises ValueError). + +- Issue #1193577: A .shutdown() method has been added to SocketServers + which terminates the .serve_forever() loop. + +- Bug #2220: handle rlcompleter attribute match failure more gracefully. + +- Issue #2225: py_compile, when executed as a script, now returns a non- + zero status code if not all files could be compiled successfully. + +- Bug #1725737: In distutil's sdist, exclude RCS, CVS etc. also in the + root directory, and also exclude .hg, .git, .bzr, and _darcs. + +- Issue #1872: The struct module typecode for _Bool has been changed + from 't' to '?'. + +- The bundled libffi copy is now in sync with the recently released + libffi3.0.4 version, apart from some small changes to + Modules/_ctypes/libffi/configure.ac. + On OS X, preconfigured libffi files are used. + On all linux systems the --with-system-ffi configure option defaults + to "yes". + +- Issue 1577: shutil.move() now calls os.rename() if the destination is a + directory instead of copying-then-remove-source. + +Tests +----- + +- test_nis no longer fails when test.test_support.verbose is true and NIS is + not set up on the testing machine. + +- Output comparison tests are no longer supported. + +- Rewrite test_errno to use unittest and no longer be a no-op. + +- GHOP 234: Convert test_extcall to doctest. + +- GHOP 290: Convert test_dbm and test_dummy_threading to unittest. + +- GHOP 293: Convert test_strftime, test_getargs, and test_pep247 to unittest. + +- Issue #2055: Convert test_fcntl to unittest. + +- Issue 1960: Convert test_gdbm to unittest. + +- GHOP 294: Convert test_contains, test_crypt, and test_select to unittest. + +- GHOP 238: Convert test_tokenize to use doctest. + +- GHOP 237: Rewrite test_thread using unittest. + +- Patch #2232: os.tmpfile might fail on Windows if the user has no + permission to create files in the root directory. + +Build +----- + +- A new script 2to3 is now installed, to run the 2.x to 3.x converter. + +- Python/memmove.c and Python/strerror.c have been removed; both functions are + in the C89 standard library. + +- Patch #2284: Add -x64 option to rt.bat. + +C API +----- + +- Patch #2477: Added PyParser_ParseFileFlagsEx() and + PyParser_ParseStringFlagsFilenameEx() + +What's New in Python 2.6 alpha 1? +================================= + +>>>>>>> .merge-right.r62114 *Release date: 29-Feb-2008* Core and Builtins @@ -64,8 +186,40 @@ Core and Builtins - Issue #2282: io.TextIOWrapper was not overriding seekable() from io.IOBase. -- Issue #2115: Important speedup in setting __slot__ attributes. Also - prevent a possible crash: an Abstract Base Class would try to access a slot +- Issue #2067: file.__exit__() now calls subclasses' close() method. + +- Patch #1759: Backport of PEP 3129 class decorators. + +- Issue #1881: An internal parser limit has been increased. Also see + issue 215555 for a discussion. + +- Added the future_builtins module, which contains hex() and oct(). + These are the PEP 3127 version of these functions, designed to be + compatible with the hex() and oct() builtins from Python 3.0. They + differ slightly in their output formats from the existing, unchanged + Python 2.6 builtins. The expected usage of the future_builtins + module is: + from future_builtins import hex, oct + +- Issue #1600: Modifed PyOS_ascii_formatd to use at most 2 digit + exponents for exponents with absolute value < 100. Follows C99 + standard. This is a change on Windows, which would use 3 digits. + Also, added 'n' to the formats that PyOS_ascii_formatd understands, + so that any alterations it does to the resulting string will be + available in stringlib/formatter.h (for float.__format__). + +- Implemented PEP 3101, Advanced String Formatting. This adds a new + builtin format(); a format() method for str and unicode; a + __format__() method to object, str, unicode, int, long, float, and + datetime; the class string.Formatter; and the C API + PyObject_Format(). + +- Fixed several potential crashes, all caused by specially crafted __del__ + methods exploiting objects in temporarily inconsistent state. + +>>>>>>> .merge-right.r62114 +- Issue #2115: Important speedup in setting __slot__ attributes. Also + prevent a possible crash: an Abstract Base Class would try to access a slot on a registered virtual subclass. - Fixed repr() and str() of complex numbers with infinity or nan as real or @@ -106,6 +260,11 @@ Core and Builtins - Issue #1969: split and rsplit in bytearray are inconsistent +- Issue #1920: "while 0" statements were completely removed by the compiler, + even in the presence of an "else" clause, which is supposed to be run when + the condition is false. Now the compiler correctly emits bytecode for the + "else" suite. + - map() and no longer accepts None for the first argument. Use zip() instead. @@ -496,9 +655,15 @@ C API - Removed these C APIs: PyNumber_Coerce(), PyNumber_CoerceEx(), PyMember_Get, PyMember_Set +- ``PySet_Add()`` can now modify a newly created frozenset. Similarly to + ``PyTuple_SetItem``, it can be used to populate a brand new frozenset; but + it does not steal a reference to the added item. + - Removed these C slots/fields: nb_divide, nb_inplace_divide +- Added ``PySet_Check()`` and ``PyFrozenSet_Check()`` to the set API. + - Removed these macros: staticforward, statichere, PyArg_GetInt, PyArg_NoArgs, _PyObject_Del @@ -534,4 +699,34 @@ Platforms Tools/Demos ----------- +- Bug #1542693: remove semi-colon at end of PyImport_ImportModuleEx macro + so it can be used as an expression. + + +Windows +------- + +- Patch #1706: Drop support for Win9x, WinME and NT4. Python now requires + Windows 2000 or greater. The _WINVER and NTDDI_VERSION macros are set to + Win2k for x86/32bit builds and WinXP for AMD64 builds. + +- Conditionalize definition of _CRT_SECURE_NO_DEPRECATE + and _CRT_NONSTDC_NO_DEPRECATE. + +- Bug #1216: Restore support for Visual Studio 2002. + + +Mac +--- + +- cfmfile now raises a DeprecationWarning. + +- buildtools now raises a DeprecationWarning. + +- Removed the macfs module. It had been deprecated since Python 2.5. This + lead to the deprecation of macostools.touched() as it relied solely on macfs + and was a no-op under OS X. + +---- + **(For information about older versions, consult the HISTORY file.)** @@ -88,9 +88,11 @@ release under development). Proposals for enhancement ------------------------------ -If you have a proposal to change Python, it's best to submit a Python -Enhancement Proposal (PEP) first. All current PEPs, as well as guidelines for -submitting a new PEP, are listed at http://www.python.org/dev/peps/. +If you have a proposal to change Python, you may want to send an email to the +comp.lang.python or python-ideas mailing lists for inital feedback. A Python +Enhancement Proposal (PEP) may be submitted if your idea gains ground. All +current PEPs, as well as guidelines for submitting a new PEP, are listed at +http://www.python.org/dev/peps/. Converting From Python 2.x to 3.0 --------------------------------- |