mirror of https://github.com/python/cpython
Issue #25186: Remove duplicated function from importlib._bootstrap_external
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@ -360,14 +360,6 @@ def _calc_mode(path):
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return mode
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def _verbose_message(message, *args, verbosity=1):
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"""Print the message to stderr if -v/PYTHONVERBOSE is turned on."""
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if sys.flags.verbose >= verbosity:
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if not message.startswith(('#', 'import ')):
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message = '# ' + message
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print(message.format(*args), file=sys.stderr)
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def _check_name(method):
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"""Decorator to verify that the module being requested matches the one the
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loader can handle.
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@ -437,15 +429,15 @@ def _validate_bytecode_header(data, source_stats=None, name=None, path=None):
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raw_size = data[8:12]
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if magic != MAGIC_NUMBER:
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message = 'bad magic number in {!r}: {!r}'.format(name, magic)
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_verbose_message(message)
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_bootstrap._verbose_message(message)
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raise ImportError(message, **exc_details)
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elif len(raw_timestamp) != 4:
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message = 'reached EOF while reading timestamp in {!r}'.format(name)
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_verbose_message(message)
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_bootstrap._verbose_message(message)
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raise EOFError(message)
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elif len(raw_size) != 4:
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message = 'reached EOF while reading size of source in {!r}'.format(name)
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_verbose_message(message)
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_bootstrap._verbose_message(message)
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raise EOFError(message)
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if source_stats is not None:
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try:
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@ -455,7 +447,7 @@ def _validate_bytecode_header(data, source_stats=None, name=None, path=None):
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else:
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if _r_long(raw_timestamp) != source_mtime:
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message = 'bytecode is stale for {!r}'.format(name)
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_verbose_message(message)
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_bootstrap._verbose_message(message)
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raise ImportError(message, **exc_details)
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try:
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source_size = source_stats['size'] & 0xFFFFFFFF
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@ -472,7 +464,7 @@ def _compile_bytecode(data, name=None, bytecode_path=None, source_path=None):
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"""Compile bytecode as returned by _validate_bytecode_header()."""
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code = marshal.loads(data)
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if isinstance(code, _code_type):
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_verbose_message('code object from {!r}', bytecode_path)
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_bootstrap._verbose_message('code object from {!r}', bytecode_path)
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if source_path is not None:
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_imp._fix_co_filename(code, source_path)
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return code
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@ -755,21 +747,21 @@ class SourceLoader(_LoaderBasics):
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except (ImportError, EOFError):
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pass
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else:
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_verbose_message('{} matches {}', bytecode_path,
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source_path)
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_bootstrap._verbose_message('{} matches {}', bytecode_path,
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source_path)
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return _compile_bytecode(bytes_data, name=fullname,
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bytecode_path=bytecode_path,
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source_path=source_path)
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source_bytes = self.get_data(source_path)
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code_object = self.source_to_code(source_bytes, source_path)
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_verbose_message('code object from {}', source_path)
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_bootstrap._verbose_message('code object from {}', source_path)
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if (not sys.dont_write_bytecode and bytecode_path is not None and
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source_mtime is not None):
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data = _code_to_bytecode(code_object, source_mtime,
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len(source_bytes))
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try:
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self._cache_bytecode(source_path, bytecode_path, data)
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_verbose_message('wrote {!r}', bytecode_path)
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_bootstrap._verbose_message('wrote {!r}', bytecode_path)
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except NotImplementedError:
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pass
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return code_object
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@ -849,14 +841,16 @@ class SourceFileLoader(FileLoader, SourceLoader):
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except OSError as exc:
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# Could be a permission error, read-only filesystem: just forget
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# about writing the data.
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_verbose_message('could not create {!r}: {!r}', parent, exc)
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_bootstrap._verbose_message('could not create {!r}: {!r}',
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parent, exc)
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return
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try:
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_write_atomic(path, data, _mode)
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_verbose_message('created {!r}', path)
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_bootstrap._verbose_message('created {!r}', path)
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except OSError as exc:
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# Same as above: just don't write the bytecode.
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_verbose_message('could not create {!r}: {!r}', path, exc)
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_bootstrap._verbose_message('could not create {!r}: {!r}', path,
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exc)
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class SourcelessFileLoader(FileLoader, _LoaderBasics):
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@ -901,14 +895,14 @@ class ExtensionFileLoader(FileLoader, _LoaderBasics):
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"""Create an unitialized extension module"""
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module = _bootstrap._call_with_frames_removed(
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_imp.create_dynamic, spec)
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_verbose_message('extension module {!r} loaded from {!r}',
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_bootstrap._verbose_message('extension module {!r} loaded from {!r}',
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spec.name, self.path)
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return module
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def exec_module(self, module):
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"""Initialize an extension module"""
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_bootstrap._call_with_frames_removed(_imp.exec_dynamic, module)
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_verbose_message('extension module {!r} executed from {!r}',
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_bootstrap._verbose_message('extension module {!r} executed from {!r}',
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self.name, self.path)
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def is_package(self, fullname):
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@ -1023,7 +1017,8 @@ class _NamespaceLoader:
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"""
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# The import system never calls this method.
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_verbose_message('namespace module loaded with path {!r}', self._path)
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_bootstrap._verbose_message('namespace module loaded with path {!r}',
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self._path)
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return _bootstrap._load_module_shim(self, fullname)
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@ -1243,12 +1238,13 @@ class FileFinder:
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# Check for a file w/ a proper suffix exists.
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for suffix, loader_class in self._loaders:
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full_path = _path_join(self.path, tail_module + suffix)
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_verbose_message('trying {}'.format(full_path), verbosity=2)
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_bootstrap._verbose_message('trying {}', full_path, verbosity=2)
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if cache_module + suffix in cache:
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if _path_isfile(full_path):
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return self._get_spec(loader_class, fullname, full_path, None, target)
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return self._get_spec(loader_class, fullname, full_path,
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None, target)
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if is_namespace:
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_verbose_message('possible namespace for {}'.format(base_path))
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_bootstrap._verbose_message('possible namespace for {}', base_path)
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spec = _bootstrap.ModuleSpec(fullname, None)
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spec.submodule_search_locations = [base_path]
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return spec
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