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Brett Cannon b1611e2772 Issue #15767: Introduce ModuleNotFoundError, a subclass of 
ImportError.

The exception is raised by import when a module could not be found.
Technically this is defined as no viable loader could be found for the
specified module. This includes ``from ... import`` statements so that
the module usage is consistent for all situations where import
couldn't find what was requested.

This should allow for the common idiom of::

  try:
    import something
  except ImportError:
    pass

to be updated to using ModuleNotFoundError and not accidentally mask
ImportError messages that should propagate (e.g. issues with a
loader).

This work was driven by the fact that the ``from ... import``
statement needed to be able to tell the difference between an
ImportError that simply couldn't find a module (and thus silence the
exception so that ceval can raise it) and an ImportError that
represented an actual problem.
 		2013-06-12 16:59:46 -04:00
..
Python-ast.c Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant() 2013-05-20 19:13:19 +02:00
_warnings.c Issue #1545463: At shutdown, defer finalization of codec modules so that stderr remains usable. 2013-05-08 13:23:25 +02:00
asdl.c Widen ASDL sequences to Py_ssize_t lengths to better match PEP 353. 2012-05-15 14:45:03 +02:00
ast.c move declaration to top of block 2013-03-18 10:59:41 -07:00
bltinmodule.c rather than passing locals to the class body, just execute the class body in the proper environment 2013-05-16 14:37:25 -05:00
ceval.c Issue #15767: Introduce ModuleNotFoundError, a subclass of 2013-06-12 16:59:46 -04:00
ceval_gil.h Issue #15038: Optimize python Locks on Windows 2012-06-18 20:30:44 +00:00
codecs.c Issue #15422: get rid of PyCFunction_New macro 2012-12-25 13:32:35 +02:00
compile.c fix compilation on Windows 2013-05-16 22:17:17 +02:00
condvar.h Issue #15038 : Fixing the condition broadcast and docs. 2013-03-19 20:18:37 -07:00
dtoa.c Issue #14521: Make result of float('nan') and float('-nan') more consistent across platforms. Further, don't rely on Py_HUGE_VAL for float('inf'). 2012-04-29 15:31:56 +01:00
dup2.c Merged revisions 85236 via svnmerge from 2010-10-05 22:18:29 +00:00
dynamic_annotations.c Make (most of) Python's tests pass under Thread Sanitizer. 2010-05-03 19:29:34 +00:00
dynload_aix.c Issue #17173: Remove uses of locale-dependent C functions (isalpha() etc.) in the interpreter. 2013-02-09 23:14:42 +01:00
dynload_dl.c Issue #13959: Re-implement imp.get_suffixes() in Lib/imp.py. 2012-05-04 15:20:40 -04:00
dynload_hpux.c Issue #13959: Re-implement imp.get_suffixes() in Lib/imp.py. 2012-05-04 15:20:40 -04:00
dynload_next.c Issue #13959: Re-implement imp.get_suffixes() in Lib/imp.py. 2012-05-04 15:20:40 -04:00
dynload_shlib.c #16135: Removal of OS/2 support (I) 2012-10-05 01:04:27 +02:00
dynload_stub.c Issue #13959: Re-implement imp.get_suffixes() in Lib/imp.py. 2012-05-04 15:20:40 -04:00
dynload_win.c Issue #18180: Fix ref leak in _PyImport_GetDynLoadWindows(). 2013-06-10 15:38:54 +01:00
errors.c Issue #16719: Get rid of WindowsError. Use OSError instead 2012-12-19 14:33:35 +02:00
fileutils.c Issue #9566: Fix compiler warning on Windows 64-bit 2013-06-05 00:46:29 +02:00
formatter_unicode.c Fix a compilater warning on Windows 64-bit 2013-05-17 00:04:56 +02:00
frozen.c make some freezing related stuff const 2013-03-13 14:06:39 -05:00
frozenmain.c Recorded merge of revisions 81032 via svnmerge from 2010-05-09 16:14:21 +00:00
future.c C89 compliance 2013-03-16 15:38:28 -07:00
getargs.c Issue #9566: Fix compilater warnings on Windows 64-bit 2013-06-05 01:18:13 +02:00
getcompiler.c
…
getcopyright.c bring Python into 2013 2012-12-31 21:37:21 -06:00
getcwd.c Recorded merge of revisions 81032 via svnmerge from 2010-05-09 16:14:21 +00:00
getopt.c #16306: report only the first unknown option and add more tests. Patch by Serhiy Storchaka. 2012-11-23 18:48:32 +02:00
getplatform.c
…
getversion.c Merged revisions 83352,83355-83358,83362,83366,83368-83369 via svnmerge from 2010-08-01 19:17:57 +00:00
graminit.c Backed out changeset 521232b05b97 2013-03-20 00:39:41 -05:00
import.c Issue #18065: For frozen packages set __path__ to []. 2013-05-31 23:18:39 -04:00
importdl.c Issue #14599: Generalize a test for ImportError.path and add support 2012-04-20 15:22:50 -04:00
importdl.h #16135: Removal of OS/2 support (I) 2012-10-05 01:04:27 +02:00
importlib.h Issue #15767: Introduce ModuleNotFoundError, a subclass of 2013-06-12 16:59:46 -04:00
makeopcodetargets.py excise the remains of STOP_CODE, which hasn't done anything useful for years 2011-07-17 22:49:50 -05:00
marshal.c Issue #15480: Remove the deprecated and unused TYPE_INT64 code from marshal. 2013-04-13 22:41:09 +02:00
modsupport.c modsupport.c reuses Py_UNICODE_strlen() 2011-09-29 04:01:43 +02:00
mysnprintf.c Recorded merge of revisions 81032 via svnmerge from 2010-05-09 16:14:21 +00:00
mystrtoul.c Issue #17173: Remove uses of locale-dependent C functions (isalpha() etc.) in the interpreter. 2013-02-09 23:11:27 +01:00
opcode_targets.h rather than passing locals to the class body, just execute the class body in the proper environment 2013-05-16 14:37:25 -05:00
peephole.c create NameConstant AST class for None, True, and False literals (closes #16619) 2012-12-06 17:41:04 -05:00
pyarena.c remove unnecessary clearing of list 2013-01-19 14:58:38 -05:00
pyctype.c Include files missed in r72044. 2009-04-27 20:54:42 +00:00
pyfpe.c
…
pymath.c Recorded merge of revisions 81032 via svnmerge from 2010-05-09 16:14:21 +00:00
pystate.c Issue #17912: Use a doubly linked-list for thread states. 2013-05-08 21:09:52 +02:00
pystrcmp.c Recorded merge of revisions 81032 via svnmerge from 2010-05-09 16:14:21 +00:00
pystrtod.c Issue #14521: Make result of float('nan') and float('-nan') more consistent across platforms. Further, don't rely on Py_HUGE_VAL for float('inf'). 2012-04-29 15:31:56 +01:00
pythonrun.c Issue #1545463: Global variables caught in reference cycles are now garbage-collected at shutdown. 2013-05-06 21:15:57 +02:00
pytime.c PEP 418: Rename adjusted attribute to adjustable in time.get_clock_info() result 2012-06-12 22:46:37 +02:00
random.c Drop support for Windows 2000; allow any XP API (but not Vista+). 2013-01-25 14:06:18 +01:00
sigcheck.c
…
strdup.c
…
structmember.c Fix null pointer dereferencing in structmember.c PyMember_SetOne() for T_CHAR. _PyUnicode_AsStringAndSize() can return NULL without touching the len argument. Also remove unnecessary PyUnicode_Check(), _PyUnicode_AsStringAndSize() performance the test again. CID 486815 2012-09-11 17:30:53 +02:00
symtable.c move definition to top of block 2013-05-16 19:38:22 -05:00
sysmodule.c Issue #13390: New function :func:`sys.getallocatedblocks()` returns the number of memory blocks currently allocated. 2012-12-09 14:28:26 +01:00
thread.c #16135: Removal of OS/2 support (I) 2012-10-05 01:04:27 +02:00
thread_foobar.h Recorded merge of revisions 81032 via svnmerge from 2010-05-09 16:14:21 +00:00
thread_nt.h Replace WaitForSingleObject with WaitForSingleObjectEx, 2013-01-25 14:25:48 +01:00
thread_pth.h Issue #11495: OSF support is eliminated. It was deprecated in Python 3.2 2011-03-14 17:36:54 +01:00
thread_pthread.h Issue #16588: Silence unused-but-set warnings in Python/thread_pthread.h 2012-12-02 08:38:42 +01:00
traceback.c Fix compilater warnings on Windows 64-bit 2013-05-17 00:12:04 +02:00