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Move the code to process an InfoExtractor result to its own method

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This commit is contained in:
Ricardo Garcia 2009-04-10 00:59:59 +02:00
parent 257453b92b
commit c8619e0163
1 changed files with 56 additions and 42 deletions
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98
youtube-dl
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@ -239,6 +239,48 @@ class FileDownloader(object):
"""Report download finished."""
self.to_stdout(u'')
def process_info(self, info_dict):
"""Process a single dictionary returned by an InfoExtractor."""
# Forced printings
if self.params.get('forcetitle', False):
print info_dict['title']
if self.params.get('forceurl', False):
print info_dict['url']
# Do nothing else if in simulate mode
if self.params.get('simulate', False):
return 0
try:
filename = self.params['outtmpl'] % info_dict
self.report_destination(filename)
except (ValueError, KeyError), err:
return self.trouble('ERROR: invalid output template or system charset: %s' % str(err))
if self.params['nooverwrites'] and os.path.exists(filename):
self.to_stderr('WARNING: file exists: %s; skipping' % filename)
return 0
try:
self.pmkdir(filename)
except (OSError, IOError), err:
return self.trouble('ERROR: unable to create directories: %s' % str(err))
try:
outstream = open(filename, 'wb')
except (OSError, IOError), err:
return self.trouble('ERROR: unable to open for writing: %s' % str(err))
try:
self._do_download(outstream, info_dict['url'])
outstream.close()
except (OSError, IOError), err:
return self.trouble('ERROR: unable to write video data: %s' % str(err))
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
return self.trouble('ERROR: unable to download video data: %s' % str(err))
try:
self.post_process(filename, info_dict)
except (PostProcessingError), err:
return self.trouble('ERROR: postprocessing: %s' % str(err))
return 0
def download(self, url_list):
"""Download a given list of URLs."""
retcode = 0
@ -248,64 +290,36 @@ class FileDownloader(object):
for url in url_list:
suitable_found = False
for ie in self._ies:
# Go to next InfoExtractor if not suitable
if not ie.suitable(url):
continue
# Suitable InfoExtractor found
suitable_found = True
# Extract information from URL
all_results = ie.extract(url)
results = [x for x in all_results if x is not None]
# See if there were problems extracting any information
if len(results) != len(all_results):
retcode = self.trouble()
# Two results could go to the same file
if len(results) > 1 and self.fixed_template():
raise SameFileError(self.params['outtmpl'])
# Process each result
for result in results:
# Forced printings
if self.params.get('forcetitle', False):
print result['title']
if self.params.get('forceurl', False):
print result['url']
result = self.process_info(result)
# Do nothing else if in simulate mode
if self.params.get('simulate', False):
continue
try:
filename = self.params['outtmpl'] % result
self.report_destination(filename)
except (ValueError, KeyError), err:
retcode = self.trouble('ERROR: invalid output template or system charset: %s' % str(err))
continue
if self.params['nooverwrites'] and os.path.exists(filename):
self.to_stderr('WARNING: file exists: %s; skipping' % filename)
continue
try:
self.pmkdir(filename)
except (OSError, IOError), err:
retcode = self.trouble('ERROR: unable to create directories: %s' % str(err))
continue
try:
outstream = open(filename, 'wb')
except (OSError, IOError), err:
retcode = self.trouble('ERROR: unable to open for writing: %s' % str(err))
continue
try:
self._do_download(outstream, result['url'])
outstream.close()
except (OSError, IOError), err:
retcode = self.trouble('ERROR: unable to write video data: %s' % str(err))
continue
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
retcode = self.trouble('ERROR: unable to download video data: %s' % str(err))
continue
try:
self.post_process(filename, result)
except (PostProcessingError), err:
retcode = self.trouble('ERROR: postprocessing: %s' % str(err))
continue
# Do not overwrite an error code with a success code
if result != 0:
retcode = result
# Suitable InfoExtractor had been found; go to next URL
break
if not suitable_found:
retcode = self.trouble('ERROR: no suitable InfoExtractor: %s' % url)