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-rw-r--r--youtube_dl/cache.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/youtube_dl/cache.py b/youtube_dl/cache.py
index 6cae53d22..79ff09f78 100644
--- a/youtube_dl/cache.py
+++ b/youtube_dl/cache.py
@@ -25,8 +25,9 @@ class Cache(object):
return os.path.expanduser(res)
def _get_cache_fn(self, section, key, dtype):
- assert re.match(r'^[a-zA-Z0-9_-]+$', section)
- assert re.match(r'^[a-zA-Z0-9_-]+$', key)
+ assert re.match(r'^[a-zA-Z0-9_.-]+$', section), \
+ 'invalid section %r' % section
+ assert re.match(r'^[a-zA-Z0-9_.-]+$', key), 'invalid key %r' % key
return os.path.join(
self._get_root_dir(), section, '%s.%s' % (key, dtype))