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Create extract_info method

This commit is contained in:
Jaime Marquínez Ferrándiz 2013-02-26 23:33:58 +01:00
parent 691db5ba02
commit df8db1aa21
1 changed files with 44 additions and 41 deletions
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85
youtube_dl/FileDownloader.py
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@ -378,6 +378,44 @@ class FileDownloader(object):
return u'"' + title + '" title matched reject pattern "' + rejecttitle + '"' return u'"' + title + '" title matched reject pattern "' + rejecttitle + '"'
return None return None
def extract_info(self, url):
'''
Returns a list with a dictionary for each video we find.
'''
suitable_found = False
for ie in self._ies:
# Go to next InfoExtractor if not suitable
if not ie.suitable(url):
continue
# Warn if the _WORKING attribute is False
if not ie.working():
self.to_stderr(u'WARNING: the program functionality for this site has been marked as broken, '
u'and will probably not work. If you want to go on, use the -i option.')
# Suitable InfoExtractor found
suitable_found = True
# Extract information from URL and process it
try:
videos = ie.extract(url)
for video in videos or []:
if not 'extractor' in video:
#The extractor has already been set somewher else
video['extractor'] = ie.IE_NAME
return videos
except ExtractorError as de: # An error we somewhat expected
self.trouble(u'ERROR: ' + compat_str(de), de.format_traceback())
break
except Exception as e:
if self.params.get('ignoreerrors', False):
self.trouble(u'ERROR: ' + compat_str(e), tb=compat_str(traceback.format_exc()))
break
else:
raise
if not suitable_found:
self.trouble(u'ERROR: no suitable InfoExtractor: %s' % url)
def process_info(self, info_dict): def process_info(self, info_dict):
"""Process a single dictionary returned by an InfoExtractor.""" """Process a single dictionary returned by an InfoExtractor."""
@ -488,49 +526,14 @@ class FileDownloader(object):
raise SameFileError(self.params['outtmpl']) raise SameFileError(self.params['outtmpl'])
for url in url_list: for url in url_list:
suitable_found = False videos = self.extract_info(url)
for ie in self._ies:
# Go to next InfoExtractor if not suitable
if not ie.suitable(url):
continue
# Warn if the _WORKING attribute is False for video in videos or []:
if not ie.working():
self.to_stderr(u'WARNING: the program functionality for this site has been marked as broken, '
u'and will probably not work. If you want to go on, use the -i option.')
# Suitable InfoExtractor found
suitable_found = True
# Extract information from URL and process it
try: try:
videos = ie.extract(url) self.increment_downloads()
except ExtractorError as de: # An error we somewhat expected self.process_info(video)
self.trouble(u'ERROR: ' + compat_str(de), de.format_traceback()) except UnavailableVideoError:
break self.trouble(u'\nERROR: unable to download video')
except Exception as e:
if self.params.get('ignoreerrors', False):
self.trouble(u'ERROR: ' + compat_str(e), tb=compat_str(traceback.format_exc()))
break
else:
raise
if len(videos or []) > 1 and self.fixed_template():
raise SameFileError(self.params['outtmpl'])
for video in videos or []:
video['extractor'] = ie.IE_NAME
try:
self.increment_downloads()
self.process_info(video)
except UnavailableVideoError:
self.trouble(u'\nERROR: unable to download video')
# Suitable InfoExtractor had been found; go to next URL
break
if not suitable_found:
self.trouble(u'ERROR: no suitable InfoExtractor: %s' % url)
return self._download_retcode return self._download_retcode