def _early_rewrite_bailout(self, name, state):
"""
This is a fast way to get out of rewriting modules. Profiling has
shown that the call to imp.find_module (inside of the find_module
from this class) is a major slowdown, so, this method tries to
filter what we're sure won't be rewritten before getting to it.
"""
if self.session is not None and not self._session_paths_checked:
self._session_paths_checked = True
for path in self.session._initialpaths:
# Make something as c:/projects/my_project/path.py ->
# ['c:', 'projects', 'my_project', 'path.py']
parts = str(path).split(os.path.sep)
# add 'path' to basenames to be checked.
self._basenames_to_check_rewrite.add(
os.path.splitext(parts[-1])[0])
# Note: conftest already by default in _basenames_to_check_rewrite.
parts = name.split(".")
if parts[-1] in self._basenames_to_check_rewrite:
return False
# For matching the name it must be as if it was a filename.
path = PurePath(os.path.sep.join(parts) + ".py")
for pat in self.fnpats:
# if the pattern contains subdirectories ("tests/**.py" for example) we can't bail out based
# on the name alone because we need to match against the full path
if os.path.dirname(pat):
return False
if fnmatch_ex(pat, path):
return False
if self._is_marked_for_rewrite(name, state):
return False
state.trace("early skip of rewriting module: %s" % (name, ))
return True
def match_(pattern, path):
return fnmatch_ex(pattern, path)