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Issue #13959: Re-implement imp.load_compiled() in imp.py.

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This commit is contained in:
Brett Cannon 2012-04-17 19:14:26 -04:00
parent 273323cf68
commit 64befe939c
2 changed files with 20 additions and 81 deletions
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25
Lib/imp.py
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@ -14,7 +14,7 @@ from _imp import (lock_held, acquire_lock, release_lock, reload,
from _imp import (get_magic, get_tag, get_suffixes, cache_from_source,
source_from_cache)
# Should be re-implemented here (and mostly deprecated)
from _imp import (find_module, load_compiled, NullImporter,
from _imp import (find_module, NullImporter,
SEARCH_ERROR, PY_SOURCE, PY_COMPILED, C_EXTENSION,
PY_RESOURCE, PKG_DIRECTORY, C_BUILTIN, PY_FROZEN,
PY_CODERESOURCE, IMP_HOOK)
@ -25,17 +25,17 @@ from importlib import _bootstrap
import os
class _LoadSourceCompatibility(_bootstrap._SourceFileLoader):
class _HackedGetData:
"""Compatibility support for implementing load_source()."""
"""Compatibiilty support for 'file' arguments of various load_*()
functions."""
def __init__(self, fullname, path, file=None):
super().__init__(fullname, path)
self.file = file
def get_data(self, path):
"""Gross hack to contort SourceFileLoader to deal w/ load_source()'s bad
API."""
"""Gross hack to contort loader to deal w/ load_*()'s bad API."""
if self.file and path == self._path:
with self.file:
# Technically should be returning bytes, but
@ -48,10 +48,25 @@ class _LoadSourceCompatibility(_bootstrap._SourceFileLoader):
return super().get_data(path)
class _LoadSourceCompatibility(_HackedGetData, _bootstrap._SourceFileLoader):
"""Compatibility support for implementing load_source()."""
def load_source(name, pathname, file=None):
return _LoadSourceCompatibility(name, pathname, file).load_module(name)
class _LoadCompiledCompatibility(_HackedGetData,
_bootstrap._SourcelessFileLoader):
"""Compatibility support for implementing load_compiled()."""
def load_compiled(name, pathname, file=None):
return _LoadCompiledCompatibility(name, pathname, file).load_module(name)
def load_package(name, path):
if os.path.isdir(path):
extensions = _bootstrap._suffix_list(PY_SOURCE)