def remove_reference(self, name, expire=MARKER):
file_path = self.get_reference_path(name)
temporary_file_path = file_path + '.' + make_uuid_hash()
move_file(file_path, temporary_file_path, retries=self.retries, retry_errno=self.retry_errno)
references = self._get_references(temporary_file_path, name='')
if name in references:
references.remove(name)
# Validate if references still exists
if references:
if expire is MARKER:
# Dont use expire, we only need to know if file exists
expire = None
for name in references:
path = self.get_file_path(name)
if not self._contains(path, expire=expire):
references.remove(name)
if references:
references = maybe_list(references)
references.append(b_linesep)
put_binary_on_file(
file_path,
binary=bytes_join(b_linesep, references),
mode='ab',
retries=self.retries,
retry_errno=self.retry_errno)
self._delete_path(temporary_file_path)
def delete_session_key_tokens(self, session_key_256):
file_path = self.get_reference_file_path(session_key_256)
if isfile(file_path):
temporary_file_path = self.get_reference_file_path(session_key_256 + '.tmp')
move_file(file_path, temporary_file_path)
binary = get_file_binary(temporary_file_path, mode='r')
if binary:
tokens_to_delete = binary.splitlines()
if tokens_to_delete:
for token_256 in set(tokens_to_delete):
if token_256:
token_file_path = self.get_token_file_path(token_256)
remove_file_quietly(token_file_path)
# Remove references file
remove_file_quietly(temporary_file_path)
return True
