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Author SHA1 Message Date
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
7bd329d800 Issue #12599: Be more strict in accepting None vs. a false-like object 
in importlib.

Thanks to PJE for pointing out the issue and Nick Coghlan for filing
the bug.
 2012-04-17 21:41:35 -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
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
7788838473 merge 2012-04-15 15:25:10 -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
Philip Jenvey
f8f3190d32 utilize startswith(tuple) 2012-04-15 12:21:32 -07:00
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
Brett Cannon
44590e4786 Add some comments. 2012-04-14 18:37:07 -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
Brett Cannon
bbb6680ee5 Have importlib take advantage of ImportError's new 'name' and 'path' 
attributes.
 2012-04-12 21:09:01 -04:00
Brett Cannon
d62cd5627f Issue #14500: Fix importlib.test.import_.test_packages to clean up 
after itself properly.
 2012-04-06 13:13:08 -04:00
Brett Cannon
927d87470a If a module injects something into sys.modules as a side-effect of 
importation, then respect that injection.

Discovered thanks to Lib/xml/parsers/expat.py injecting
xml.parsers.expat.errors and etree now importing that directly as a
module.
 2012-04-02 20:33:56 -04:00
Brett Cannon
0d4d410b2d Remove a dead docstring. 2012-03-02 12:32:14 -05:00
Brett Cannon
b46a1793a7 Update importlib.invalidate_caches() to be more general. 2012-02-27 18:15:42 -05:00
Philip Jenvey
4b42ff609d unused imports, pep8 2012-02-24 21:48:17 -08:00
Brett Cannon
625cd23da4 Simplify importib._resolve_name(). 2012-02-24 11:20:54 -05:00
Brett Cannon
4b03b68635 Turn _return_module() into _handle_fromlist(). 2012-02-23 20:47:57 -05:00
Brett Cannon
dfc32706a0 Make the benchmark recording more sensible for importlib.test.benchmark. 2012-02-23 19:34:35 -05:00
Brett Cannon
f500778f65 Improper type for __package__ should raise TypeError, not ValueError. 2012-02-23 18:29:12 -05:00
Brett Cannon
068915cc8b Do a type check instead of an interface check. 2012-02-23 18:18:48 -05:00
Brett Cannon
34d8e41a47 Refactor importlib to make it easier to re-implement in C. 2012-02-22 18:33:05 -05:00
Charles-François Natali
6db1c40b37 Issue #14077: importlib: Fix regression introduced by de6703671386. 2012-02-22 21:03:09 +01:00
Antoine Pitrou
b5c793a0b3 Issue #14063: fix test_importlib failure under OS X case-insensitive filesystems 
(regression)
 2012-02-20 22:06:59 +01:00
Benjamin Peterson
6ddac006be put docstrings on functions 2012-02-20 15:06:35 -05:00
Antoine Pitrou
b67075beb5 _relax_case -> _make_relax_case 2012-02-20 13:52:47 +01:00
Antoine Pitrou
c541f8ef40 Issue #14043: Speed up importlib's _FileFinder by at least 8x, and add a new importlib.invalidate_caches() function. 
importlib is now often faster than imp.find_module() at finding modules.
 2012-02-20 01:48:16 +01:00
Brett Cannon
336b2f45e5 Fix a failing importlib test under Windows. 
Closes issue #14054.
 2012-02-19 19:36:44 -05:00
Brett Cannon
082f177c67 Fix importlib.test.__main__ to only worry about command-line flags when directly executed. 2012-02-17 10:44:24 -05:00
Brett Cannon
f2e86751cc Optimize importlib's case-sensitivity check by wasting as little time as possible under case-sensitive OSs. 2012-02-17 09:46:48 -05:00
Brett Cannon
1f14bebe3c Have importlib.test use argparse instead of some hacked up solution. 2012-02-17 09:37:39 -05:00
Brett Cannon
ba17fe256e Have importlib use os.replace() for atomic renaming. 
Closes issue #13961. Thanks to Charles-François Natali for the patch.
 2012-02-17 09:26:53 -05:00
Brett Cannon
f58d45c649 Tweak the handling of the empty string in sys.path for importlib. 
It seems better to cache the finder for the cwd under its full path
insetad of '' in case the cwd changes. Otherwise FileFinder needs to
dynamically change itself based on whether it is given '' instead of
caching a finder for every change to the cwd.
 2012-02-16 18:12:00 -05:00
Brett Cannon
3b1a06c1ea importlib.__import__() now raises ValueError when level < 0. 
This is to bring it more in line with what PEP 328 set out to do with
removing ambiguous absolute/relative import semantics.
 2012-02-16 17:47:48 -05:00
Brett Cannon
7fab676e87 Refactor importlib.__import__() and _gcd_import() to facilitate using 
an __import__ implementation that takes care of basics in C and punts
to importlib for more complicated code.
 2012-02-16 13:43:41 -05:00
Brett Cannon
0568d6fd4e Bring importlib in line w/ changes made in my personal bootstrap branch in the sandbox. 2012-02-14 18:38:11 -05:00
Philip Jenvey
353c10772a simplify 2012-02-10 11:45:03 -08:00
Brett Cannon
4a2e1a0da7 Undo a bad mq management thingy. 2012-02-08 19:11:53 -05:00
Brett Cannon
97771096ab Whitespace normalization. 2012-02-08 18:55:37 -05:00
Brett Cannon
b4e63b3177 Use the cwd when the empty string is found in sys.path. This leads to 
__file__ being an absolute path when the module is found in the
current directory.
 2012-02-08 18:52:56 -05:00
Brett Cannon
354c26ecd6 Move setup code from importlib.__init__ to 
importlib._bootstrap._setup().
 2012-02-08 18:50:22 -05:00
Brett Cannon
8490fab4ad Don't fail in the face of a lacking attribute when wrapping a 
function.
 2012-02-08 18:44:14 -05:00
Brett Cannon
cae1068e82 Re-order importlib benchmarks to be consistent. Also print out what implementation of __import__ is used. 2012-02-07 09:40:33 -05:00
Brett Cannon
466e6a90f2 Have importlib.test.benchmark test with tabnanny as a medium-sized test. 2012-02-07 09:19:12 -05:00
Brett Cannon
5ea5b67a0b Fix a minor output typo as found by Terry Reedy. 2012-01-31 17:02:10 -05:00
Brett Cannon
e3a9ae5ece Let importlib.test.benchmark take a specific benchmark name to run. 2012-01-30 19:27:51 -05:00
Brett Cannon
190f33cd2b Allow for the specification of a file to dump importlib benchmark 
results to (and to compare against previous runs).
* * *
Move importlib.test.benchmark to argparse.
 2012-01-30 19:12:29 -05:00
Brett Cannon
8a8945085f Issue #13890: Also fix for extension module tests for case-insensitivity. 2012-01-30 12:51:49 -05:00
Brett Cannon
01ad3251ae Issue #13890: Fix importlib case-sensitivity tests to not run on Windows. 
Thanks to os.environ under Windows only updating the dict and not the
environment itself (as exposed by nt.environ), tests using
PYTHONCASEOK always fail. Now the tests are skipped when os.environ
does not do what is expected.
 2012-01-30 12:48:16 -05:00
Brett Cannon
51d14f8e56 Relocate importlib._case_ok to importlib._bootstrap. 
This required updating the code to use posix instead of os. This is
all being done to make bootstrapping easier to removing dependencies
that are kept in importlib.__init__ and thus outside of the single
file to bootstrap from.
 2012-01-26 19:03:52 -05:00