def _iter_paths(self, paths):
paths = list(paths)
for path in paths:
if not os.path.exists(path):
msg = "Path {!r} could not be found".format(path)
with handling_exceptions():
raise CannotLoadTests(msg)
for path in paths:
for file_path in _walk(path):
_logger.debug("Checking {0}", file_path)
if not self._is_file_wanted(file_path):
_logger.debug("{0} is not wanted. Skipping...", file_path)
continue
module = None
try:
with handling_exceptions(context="during import"):
if not config.root.run.message_assertion_introspection:
dessert.disable_message_introspection()
with dessert.rewrite_assertions_context():
module = import_file(file_path)
except Exception as e:
tb_file, tb_lineno, _, _ = _extract_tb()
raise mark_exception_handled(
CannotLoadTests(
"Could not load {0!r} ({1}:{2} - {3})".format(file_path, tb_file, tb_lineno, e)))
if module is not None:
self._duplicate_funcs |= check_duplicate_functions(file_path)
with self._adding_local_fixtures(file_path, module):
for runnable in self._iter_runnable_tests_in_module(file_path, module):
if self._is_excluded(runnable):
continue
yield runnable
def _disable_introspection():
dessert.disable_message_introspection()
try:
yield
finally:
dessert.enable_message_introspection()
def _disable_introspection():
dessert.disable_message_introspection()
try:
yield
finally:
dessert.enable_message_introspection()