diff options
| -rw-r--r-- | youtube_dl/utils.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index 02631406c..fcb787570 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -2781,7 +2781,8 @@ class YoutubeDLCookieJar(compat_cookiejar.MozillaCookieJar): if cookie.expires is None: cookie.expires = 0 - with io.open(filename, 'w', encoding='utf-8') as f: + with io.open(filename, 'r+', encoding='utf-8') as f: + assert 0 == f.seek(0) f.write(self._HEADER) now = time.time() for cookie in self: @@ -2813,6 +2814,7 @@ class YoutubeDLCookieJar(compat_cookiejar.MozillaCookieJar): f.write( '\t'.join([cookie.domain, initial_dot, cookie.path, secure, expires, name, value]) + '\n') + assert f.tell() == f.truncate() def load(self, filename=None, ignore_discard=False, ignore_expires=False): """Load cookies from a file.""" |