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598 Commits

Author SHA1 Message Date
Brett Cannon
e4710cfced Issue #15894: Document why we don't worry about re-acquiring the 
global import lock after forking.
 2012-11-15 21:39:36 -05:00
Antoine Pitrou
0398985920 Issue #15781: Fix two small race conditions in import's module locking. 2012-08-28 00:24:52 +02:00
Brett Cannon
ecfefb7956 Fix a spelling mistake in a comment. 2012-08-05 19:24:57 -04:00
Antoine Pitrou
c4d974d3fa Remove unused variable trim_get_code. 2012-08-04 23:26:25 +02:00
Nick Coghlan
42c0766a53 Close #15486: Simplify the mechanism used to remove importlib frames from tracebacks when they just introduce irrelevant noise 2012-07-31 21:14:18 +10:00
Nick Coghlan
5ee9892406 Close #15425: Eliminate more importlib related traceback noise 2012-07-29 20:30:36 +10:00
Brett Cannon
a6473f9cfd Issues #15169, #14599: Make PyImport_ExecCodeModuleWithPathnames() use 
Lib/imp.py for imp.source_from_cache() instead of its own C version.

Also change PyImport_ExecCodeModuleObject() to not infer the source
path from the bytecode path like
PyImport_ExecCodeModuleWithPathnames() does. This makes the function
less magical.

This also has the side-effect of removing all uses of MAXPATHLEN in
Python/import.c which can cause failures on really long filenames.
 2012-07-13 13:57:03 -04:00
Antoine Pitrou
44b4b6a9a5 Fix compilation under Windows 2012-07-10 18:27:54 +02:00
Benjamin Peterson
66f3659c9e fix refleak 2012-07-09 22:21:55 -07:00
Benjamin Peterson
fa873704a4 initialize variable for compiler happiness 2012-07-09 13:43:53 -07:00
Brett Cannon
77b2abd094 Issue #15167 (as part of #13959): imp.get_magic() is no implemented in 
Lib/imp.py.
 2012-07-09 16:09:00 -04:00
Brett Cannon
3adc7b75a5 Issue #15242: Have PyImport_GetMagicTag() return a const char * 
defined in sysmodule.c instead of straight out of a Unicode object.

Thanks to Amaury Forgeot d'Arc for noticing the bug and Eric Snow for
writing the patch.
 2012-07-09 14:22:12 -04:00
Antoine Pitrou
bc07a5c913 Issue #15110: Fix the tracebacks generated by "import xxx" to not show the importlib stack frames. 2012-07-08 12:01:27 +02:00
Brett Cannon
98979b85e7 Issue #15166: Re-implement imp.get_tag() using sys.implementation. 
Also eliminates some C code in Python/import.c as well.

Patch by Eric Snow with verification by comparing against another
patch from Jeff Knupp.
 2012-07-02 15:13:11 -04:00
Victor Stinner
81c39a88a4 get_sourcefile(): use PyUnicode_READ() to avoid the creation of a temporary 
Py_UCS4 buffer
 2012-06-16 03:22:05 +02:00
Nick Coghlan
0b43bcf528 Close #14857: fix regression in references to PEP 3135 implicit __class__ closure variable. Reopens issue #12370, but also updates unittest.mock to workaround that issue 2012-05-27 18:17:07 +10:00
Antoine Pitrou
ea3eb88bca Issue #9260: A finer-grained import lock. 
Most of the import sequence now uses per-module locks rather than the
global import lock, eliminating well-known issues with threads and imports.
 2012-05-17 18:55:59 +02:00
Antoine Pitrou
6efa50a384 Issue #14583: Fix importlib bug when a package's __init__.py would first import one of its modules then raise an error. 2012-05-07 21:41:59 +02:00
Antoine Pitrou
b78174c010 Fix too early decrefs. 2012-05-06 17:15:23 +02:00
Nadeem Vawda
8f46d655b9 Fix typo in changeset eb5c5c23ca9b. 2012-05-05 12:27:30 +02:00
Antoine Pitrou
f3a42dee9a Simplify code for load_dynamic() 2012-05-04 22:40:25 +02:00
Brett Cannon
0429e1a57d Issue #13959: Move module type constants to Lib/imp.py. 2012-05-04 16:13:30 -04:00
Brett Cannon
6b9b727695 Remove dead Windows code which no longer will compile. 2012-05-04 16:04:14 -04:00
Brett Cannon
2657df4744 Issue #13959: Re-implement imp.get_suffixes() in Lib/imp.py. 
This introduces a new function, imp.extension_suffixes(), which is
currently undocumented. That is forthcoming once issue #14657 is
resolved and how to expose file suffixes is decided.
 2012-05-04 15:20:40 -04:00
Brett Cannon
62228dbd6c Issues #13959, 14647: Re-implement imp.reload() in Lib/imp.py. 
Thanks to Eric Snow for the patch.
 2012-04-29 14:38:11 -04:00
Brett Cannon
acf85cd131 Issue #13959: Re-implement imp.NullImporter in Lib/imp.py. 2012-04-29 12:50:03 -04:00
Brett Cannon
aa93642a35 Issue #14605: Use None in sys.path_importer_cache to represent no 
finder instead of using some (now non-existent) implicit finder.
 2012-04-27 15:30:58 -04:00
Victor Stinner
8f825060f1 Check newly created consistency using _PyUnicode_CheckConsistency(str, 1) 
* In debug mode, fill the string data with invalid characters
 * Simplify also reference counting in PyCodec_BackslashReplaceErrors()
   and PyCodec_XMLCharRefReplaceError()
 2012-04-27 13:55:39 +02:00
Brett Cannon
8923a4d4c5 Issue #14605: Insert to the front of sys.path_hooks instead of appending. 2012-04-24 22:03:46 -04:00
Brett Cannon
e69f0df45b Issue #13959: Re-implement imp.find_module() in Lib/imp.py. 
Thanks to Eric Snow for taking an initial stab at the implementation.
 2012-04-21 21:09:46 -04:00
Brett Cannon
a64faf0771 Issue #13959: Re-implement imp.source_from_cache() in Lib/imp.py. 2012-04-21 18:52:52 -04:00
Brett Cannon
ea59dbff16 Issue #13959: Re-implement imp.cache_from_source() in Lib/imp.py. 2012-04-20 21:44:46 -04:00
Benjamin Peterson
d76bc7abac rollback 005fd1fe31ab (see #14609 and #14582) 
Being able to overload a sys.module entry during import of a module was broken
by this changeset.
 2012-04-18 10:55:43 -04:00
Brett Cannon
64befe939c Issue #13959: Re-implement imp.load_compiled() in imp.py. 2012-04-17 19:14:26 -04:00
Brett Cannon
273323cf68 Issue #14592: A relative import will raise a KeyError if __package__ 
or __name__ are not set in globals.

Thanks to Stefan Behnel for the bug report.
 2012-04-17 19:05:11 -04:00
Brian Curtin
09b86d1196 Fix #14600. Correct reference handling and naming of ImportError convenience function 2012-04-17 16:57:09 -05:00
Brett Cannon
16475adcbb Issue #13959: Re-implement imp.load_source() in imp.py. 2012-04-16 22:11:25 -04:00
Antoine Pitrou
22a1d17bb5 Fix another refleak 2012-04-16 22:06:21 +02:00
Antoine Pitrou
538ba2afb5 Fix a refleak 2012-04-16 21:52:45 +02:00
Antoine Pitrou
71382cb64b Fix reference loss on Py_None when None is encountered in sys.modules. 2012-04-16 18:48:49 +02:00
Brett Cannon
2ee61422ed Issue #13959: Re-implement imp.load_package() in imp.py. 
Thanks to Eric Snow for helping with imp.load_module() (previous
commit) which led to the removal of a bunch of C code.
 2012-04-15 22:28:28 -04:00
Brett Cannon
01a76171a0 Issue #13959: Re-implement imp.load_module() in imp.py. 2012-04-15 20:25:23 -04:00
Brett Cannon
8a1d04c643 Issue #13959: Simplify imp.reload() by relying on a module's 
__loader__.

Since import now sets __loader__ on all modules it creates and
imp.reload() already relied on the attribute for modules that import
didn't create, the only potential compatibility issue is if people
were deleting the attribute on modules and expecting imp.reload() to
continue to work.
 2012-04-15 17:56:09 -04:00
Brett Cannon
6f44d66bc4 Issue #13959: Rename imp to _imp and add Lib/imp.py and begin 
rewriting functionality in pure Python.

To start, imp.new_module() has been rewritten in pure Python, put into
importlib (privately) and then publicly exposed in imp.
 2012-04-15 16:08:47 -04:00
Brett Cannon
881535b726 Issue #14582: Import returns the module returned by a loader instead 
of sys.modules when possible.

This is being done for two reasons. One is to gain a little bit of
performance by skipping an unnecessary dict lookup in sys.modules. But
the other (and main) reason is to be a little bit more clear in how
things should work from the perspective of import's interactions with
loaders. Otherwise loaders can easily forget to return the module even
though PEP 302 explicitly states they are expected to return the module
they loaded.
 2012-04-15 15:24:04 -04:00
Brett Cannon
27fc52877c Set ImportError.name when raising the exception in the case of None 
found in sys.modules.
 2012-04-15 14:15:31 -04:00
Brett Cannon
49f8d8b016 Handle importing pkg.mod by executing 
__import__('mod', {'__packaging__': 'pkg', level=1) w/o properly (and
thus not segfaulting).
 2012-04-14 21:50:00 -04:00
Brian Curtin
e6b299faf5 Fix Windows build 2012-04-14 14:19:33 -05:00
Brett Cannon
740fce0e38 Undo a C99 idiom. 2012-04-14 14:23:49 -04:00
Brett Cannon
fd0741555b Issue #2377: Make importlib the implementation of __import__(). 
importlib._bootstrap is now frozen into Python/importlib.h and stored
as _frozen_importlib in sys.modules. Py_Initialize() loads the frozen
code along with sys and imp and then uses _frozen_importlib._install()
to set builtins.__import__() w/ _frozen_importlib.__import__().
 2012-04-14 14:10:13 -04:00