Issue #18194: Introduce importlib.util.cache_from_source() and
source_from_cache(), finishing the work introduced in changset 4134:9cacdb9d0c59.
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Lib/imp.py
35
Lib/imp.py
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@ -16,8 +16,7 @@ except ModuleNotFoundError:
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# Platform doesn't support dynamic loading.
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load_dynamic = None
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from importlib._bootstrap import (cache_from_source, source_from_cache,
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SourcelessFileLoader, _ERR_MSG)
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from importlib._bootstrap import SourcelessFileLoader, _ERR_MSG
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from importlib import machinery
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from importlib import util
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@ -66,6 +65,38 @@ def get_tag():
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return sys.implementation.cache_tag
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def cache_from_source(path, debug_override=None):
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"""**DEPRECATED**
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Given the path to a .py file, return the path to its .pyc/.pyo file.
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The .py file does not need to exist; this simply returns the path to the
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.pyc/.pyo file calculated as if the .py file were imported. The extension
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will be .pyc unless sys.flags.optimize is non-zero, then it will be .pyo.
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If debug_override is not None, then it must be a boolean and is used in
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place of sys.flags.optimize.
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If sys.implementation.cache_tag is None then NotImplementedError is raised.
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"""
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return util.cache_from_source(path, debug_override)
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def source_from_cache(path):
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"""**DEPRECATED**
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Given the path to a .pyc./.pyo file, return the path to its .py file.
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The .pyc/.pyo file does not need to exist; this simply returns the path to
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the .py file calculated to correspond to the .pyc/.pyo file. If path does
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not conform to PEP 3147 format, ValueError will be raised. If
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sys.implementation.cache_tag is None then NotImplementedError is raised.
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"""
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return util.source_from_cache(path)
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def get_suffixes():
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warnings.warn('imp.get_suffixes() is deprecated; use the constants '
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'defined on importlib.machinery instead',
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@ -123,6 +123,10 @@ Core and Builtins
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Library
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-------
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- Issue #18194: Introduce importlib.util.cache_from_source() and
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source_from_cache() while documenting the equivalent functions in imp as
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deprecated.
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- Issue #17907: Document imp.new_module() as deprecated in favour of
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types.ModuleType.
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