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add --dump-regexps option to print regexps used to match supported URLs

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chocolateboy 2011-01-04 09:40:44 +00:00
parent e7cf18cb6b
commit 89f69d819d
1 changed files with 18 additions and 4 deletions
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22
youtube-dl
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@ -211,7 +211,7 @@ class FileDownloader(object):
"""
params = None
_ies = []
ies = []
_pps = []
_download_retcode = None
_num_downloads = None
@ -219,7 +219,7 @@ class FileDownloader(object):
def __init__(self, params):
"""Create a FileDownloader object with the given options."""
self._ies = []
self.ies = []
self._pps = []
self._download_retcode = 0
self._num_downloads = 0
@ -309,7 +309,7 @@ class FileDownloader(object):
def add_info_extractor(self, ie):
"""Add an InfoExtractor object to the end of the list."""
self._ies.append(ie)
self.ies.append(ie)
ie.set_downloader(self)
def add_post_processor(self, pp):
@ -470,7 +470,7 @@ class FileDownloader(object):
for url in url_list:
suitable_found = False
for ie in self._ies:
for ie in self.ies:
# Go to next InfoExtractor if not suitable
if not ie.suitable(url):
continue
@ -715,6 +715,10 @@ class InfoExtractor(object):
def set_downloader(self, downloader):
"""Sets the downloader for this IE."""
self._downloader = downloader
def url_regex(self):
"""Returns the regular expression used by this info extractor to match a URL."""
return getattr(self, '_VALID_URL', None)
def _real_initialize(self):
"""Real initialization process. Redefine in subclasses."""
@ -2259,6 +2263,8 @@ if __name__ == '__main__':
dest='playlistend', metavar='NUMBER', help='playlist video to end at (default is last)', default=-1)
parser.add_option('--dump-user-agent',
action='store_true', dest='dump_user_agent', help='display the current browser identification', default=False)
parser.add_option('--dump-regexps',
action='store_true', dest='dump_regexps', help='display the regular expressions used to match supported sites', default=False)
authentication = optparse.OptionGroup(parser, 'Authentication Options')
authentication.add_option('-u', '--username',
@ -2452,6 +2458,14 @@ if __name__ == '__main__':
# fallback if none of the others work
fd.add_info_extractor(generic_ie)
# Dump regular expressions used to match supported sites
if opts.dump_regexps:
for ie in fd.ies:
regex = ie.url_regex()
if regex is not None:
print ie.url_regex()
sys.exit(0)
# Update version
if opts.update_self:
update_self(fd, sys.argv[0])