[common] Generalize URLs' HTTP errors pre-testing

This commit is contained in:
Sergey M․ 2015-01-26 00:32:31 +06:00
parent 6d2749aac4
commit 96a53167fa

View file

@ -14,6 +14,7 @@ import xml.etree.ElementTree
from ..compat import ( from ..compat import (
compat_cookiejar, compat_cookiejar,
compat_HTTPError,
compat_http_client, compat_http_client,
compat_urllib_error, compat_urllib_error,
compat_urllib_parse_urlparse, compat_urllib_parse_urlparse,
@ -26,6 +27,7 @@ from ..utils import (
compiled_regex_type, compiled_regex_type,
ExtractorError, ExtractorError,
float_or_none, float_or_none,
HEADRequest,
int_or_none, int_or_none,
RegexNotFoundError, RegexNotFoundError,
sanitize_filename, sanitize_filename,
@ -716,6 +718,27 @@ class InfoExtractor(object):
) )
formats.sort(key=_formats_key) formats.sort(key=_formats_key)
def _check_formats(self, formats, video_id):
if formats:
formats[:] = filter(
lambda f: self._is_valid_url(
f['url'], video_id,
item='%s video format' % f.get('format_id') if f.get('format_id') else 'video'),
formats)
def _is_valid_url(self, url, video_id, item='video'):
try:
self._request_webpage(
HEADRequest(url), video_id,
'Checking %s URL' % item)
return True
except ExtractorError as e:
if isinstance(e.cause, compat_HTTPError):
self.report_warning(
'%s URL is invalid, skipping' % item, video_id)
return False
raise
def http_scheme(self): def http_scheme(self):
""" Either "http:" or "https:", depending on the user's preferences """ """ Either "http:" or "https:", depending on the user's preferences """
return ( return (