+ def __init__(self, filename=None, *args, **kwargs):
+ super().__init__(None, *args, **kwargs)
+ if self.is_path(filename):
+ filename = os.fspath(filename)
+ self.filename = filename
+
+ @staticmethod
+ def _true_or_false(cndn):
+ return 'TRUE' if cndn else 'FALSE'
+
+ @staticmethod
+ def is_path(file):
+ return isinstance(file, (str, bytes, os.PathLike))
+
+ @contextlib.contextmanager
+ def open(self, file, *, write=False):
+ if self.is_path(file):
+ with open(file, 'w' if write else 'r', encoding='utf-8') as f:
+ yield f
+ else:
+ if write:
+ file.truncate(0)
+ yield file
+
+ def _really_save(self, f, ignore_discard=False, ignore_expires=False):
+ now = time.time()
+ for cookie in self:
+ if (not ignore_discard and cookie.discard
+ or not ignore_expires and cookie.is_expired(now)):
+ continue
+ name, value = cookie.name, cookie.value
+ if value is None:
+ # cookies.txt regards 'Set-Cookie: foo' as a cookie
+ # with no name, whereas http.cookiejar regards it as a
+ # cookie with no value.
+ name, value = '', name
+ f.write('%s\n' % '\t'.join((
+ cookie.domain,
+ self._true_or_false(cookie.domain.startswith('.')),
+ cookie.path,
+ self._true_or_false(cookie.secure),
+ str_or_none(cookie.expires, default=''),
+ name, value
+ )))
+
+ def save(self, filename=None, *args, **kwargs):