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PEP 3147

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This commit is contained in:
Barry Warsaw 2010-04-17 00:19:56 +00:00
parent 0e59cc3fc3
commit 28a691b7fd
39 changed files with 1203 additions and 287 deletions
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21
Lib/importlib/_bootstrap.py
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@ -488,6 +488,16 @@ class _PyPycFileLoader(PyPycLoader, _PyFileLoader):
"""Load a module from a source or bytecode file."""
def _find_path(self, ext_type):
"""Return PEP 3147 path if ext_type is PY_COMPILED, otherwise
super()._find_path() is called."""
if ext_type == imp.PY_COMPILED:
# We don't really care what the extension on self._base_path is,
# as long as it has exactly one dot.
bytecode_path = imp.cache_from_source(self._base_path + '.py')
return (bytecode_path if _path_exists(bytecode_path) else None)
return super()._find_path(ext_type)
@_check_name
def source_mtime(self, name):
"""Return the modification time of the source for the specified
@ -515,7 +525,16 @@ class _PyPycFileLoader(PyPycLoader, _PyFileLoader):
"""
bytecode_path = self.bytecode_path(name)
if not bytecode_path:
bytecode_path = self._base_path + _suffix_list(imp.PY_COMPILED)[0]
source_path = self.source_path(name)
bytecode_path = imp.cache_from_source(source_path)
# Ensure that the __pycache__ directory exists. We can't use
# os.path.dirname() here.
dirname, sep, basename = bytecode_path.rpartition(path_sep)
try:
_os.mkdir(dirname)
except OSError as error:
if error.errno != errno.EEXIST:
raise
try:
# Assuming bytes.
with _closing(_io.FileIO(bytecode_path, 'w')) as bytecode_file: