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Issue #13959: Keep imp.get_magic() in C code, but cache in importlib

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for performance. While get_magic() could move to Lib/imp.py, having to
support PyImport_GetMagicNumber() would lead to equal, if not more, C
code than sticking with the status quo.
This commit is contained in:
Brett Cannon 2012-04-20 18:04:03 -04:00
parent 9e924ed1ac
commit 24117a748b
3 changed files with 1521 additions and 1510 deletions
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4
Lib/imp.py
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@ -11,8 +11,10 @@ from _imp import (lock_held, acquire_lock, release_lock, reload,
init_builtin, init_frozen, is_builtin, is_frozen,
_fix_co_filename)
# Can (probably) move to importlib
from _imp import (get_magic, get_tag, get_suffixes, cache_from_source,
from _imp import (get_tag, get_suffixes, cache_from_source,
source_from_cache)
# Could move out of _imp, but not worth the code
from _imp import get_magic
# Should be re-implemented here (and mostly deprecated)
from _imp import (find_module, NullImporter,
SEARCH_ERROR, PY_SOURCE, PY_COMPILED, C_EXTENSION,