delta/cpython-git.git/Python/importlib_zipimport.h, branch enum-lost-fixes

[3.10] bpo-45183: don't raise an exception when calling zipimport.zipimporter.find_spec() when the zip file is missing and the internal cache has been reset (GH-28435) (#28438)

2021-09-18T00:46:22+00:00

This can occur when the zip file gets deleted, you call zipimport.zipimporter.invalidate_cache(), and then try to use zipimport.zipimporter.find_spec() (i.e. you left the zip file path on sys.path).
(cherry picked from commit 209b7035f714dcc41df054b0b023e0b955d7e1a2)

Co-authored-by: Brett Cannon

[3.10] bpo-45056: Remove trailing unused constants from co_consts (GH-28109) (GH-28125)

2021-09-08T16:25:09+00:00

(cherry picked from commit 55c4a92fc1abfe388335071f1d64b3addfa5793f)

Co-authored-by: Inada Naoki

bpo-44840: Compiler: Move duplication of exit blocks with no line numbers to after CFG optimization. (GH-27656) (#27673)

2021-08-09T09:54:48+00:00

(cherry picked from commit b854557b49083d8625a433eb36aacb0c87d67c52)

bpo-43933: Set frame.f_lineno during call to exit (GH-25719)

2021-04-30T13:32:47+00:00

* Set line number of __exit__ call in a with statement to be that of the with keyword.

bpo-42739: Don't use sentinels to mark end of line table. (GH-25657)

2021-04-29T12:12:51+00:00

* Add length parameter to PyLineTable_InitAddressRange and doen't use sentinel values at end of table. Makes the line number table more robust.

* Update PyCodeAddressRange to match PEP 626.

bpo-41323: compiler: Reuse tuple in constant tuple folding (GH-25419)

2021-04-16T05:01:04+00:00

bpo-42135: Deprecate implementations of find_module() and find_loader() (GH-25169)

2021-04-06T15:56:57+00:00

bpo-27129: Use instruction offsets, not byte offsets, in bytecode and internally. (GH-25069)

2021-04-01T15:00:31+00:00

* Use instruction offset, rather than bytecode offset. Streamlines interpreter dispatch a bit, and removes most EXTENDED_ARGs for jumps.

* Change some uses of PyCode_Addr2Line to PyFrame_GetLineNumber

bpo-14678: Update zipimport to support importlib.invalidate_caches() (GH-24159)

2021-03-08T20:06:02+00:00

Added an invalidate_caches() method to the zipimport.zipimporter class based on the implementation of importlib.FileFinder.invalidate_caches(). This was done by adding a get_files() method and an _archive_mtime attribute to zipimport.zipimporter to check for updates or cache invalidation whenever the cache of files and toc entry information in the zipimporter is accessed.

bpo-42908: Mark cleanup code at end of try-except and with artificial (#24202)

2021-01-13T12:05:43+00:00

* Mark bytecodes at end of try-except as artificial.

* Make sure that the CFG is consistent throughout optimiization. 

* Extend line-number propagation logic so that implicit returns after 'try-except' or 'with' have the correct line numbers.

* Update importlib