From: Ricardo Garcia Date: Tue, 22 Jul 2008 09:33:41 +0000 (+0200) Subject: Add .trouble() method to downloader to ease tracing retcode X-Git-Url: http://git.oshgnacknak.de/?a=commitdiff_plain;h=0086d1ec32139fab208648d39e9b275ba4a3f942;p=youtube-dl Add .trouble() method to downloader to ease tracing retcode --- diff --git a/youtube-dl b/youtube-dl index 3986ea0d8..1e6b876e1 100755 --- a/youtube-dl +++ b/youtube-dl @@ -60,6 +60,7 @@ class FileDownloader(object): simulate: Do not download the video files. format: Video format code. outtmpl: Template for output names. + ignoreerrors: Do not stop on download errors. """ _params = None @@ -159,6 +160,21 @@ class FileDownloader(object): """Checks if the output template is fixed.""" return (re.search(ur'(?u)%\(.+?\)s', self._params['outtmpl']) is None) + def trouble(self, message=None): + """Determine action to take when a download problem appears. + + Depending on if the downloader has been configured to ignore + download errors or not, this method may exit the program or + not when errors are found, after printing the message. If it + doesn't exit, it returns an error code suitable to be returned + later as a program exit code to indicate error. + """ + if message is not None: + self.to_stderr(message) + if not self._params.get('ignoreerrors', False): + sys.exit(1) + return 1 + def download(self, url_list): """Download a given list of URLs.""" retcode = 0 @@ -175,7 +191,7 @@ class FileDownloader(object): all_results = ie.extract(url) results = [x for x in all_results if x is not None] if len(results) != len(all_results): - retcode = 1 + retcode = self.trouble() if len(results) > 1 and self.fixed_template(): sys.exit('ERROR: fixed output name but more than one file to download') @@ -195,36 +211,30 @@ class FileDownloader(object): try: filename = self._params['outtmpl'] % result except (ValueError, KeyError), err: - self.to_stderr('ERROR: invalid output template: %s' % str(err)) - retcode = 1 + retcode = self.trouble('ERROR: invalid output template: %s' % str(err)) continue try: self.pmkdir(filename) except (OSError, IOError), err: - self.to_stderr('ERROR: unable to create directories: %s' % str(err)) - retcode = 1 + retcode = self.trouble('ERROR: unable to create directories: %s' % str(err)) continue try: outstream = open(filename, 'wb') except (OSError, IOError), err: - self.to_stderr('ERROR: unable to open for writing: %s' % str(err)) - retcode = 1 + 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: - self.to_stderr('ERROR: unable to write video data: %s' % str(err)) - retcode = 1 + retcode = self.trouble('ERROR: unable to write video data: %s' % str(err)) continue except (urllib2.URLError, httplib.HTTPException, socket.error), err: - self.to_stderr('ERROR: unable to download video data: %s' % str(err)) - retcode = 1 + retcode = self.trouble('ERROR: unable to download video data: %s' % str(err)) continue break if not suitable_found: - self.to_stderr('ERROR: no suitable InfoExtractor: %s' % url) - retcode = 1 + retcode = self.trouble('ERROR: no suitable InfoExtractor: %s' % url) return retcode @@ -503,6 +513,8 @@ if __name__ == '__main__': dest='format', metavar='FMT', help='video format code') parser.add_option('-b', '--best-quality', action='store_const', dest='video_format', help='alias for -f 18', const='18') + parser.add_option('-i', '--ignore-errors', + action='store_true', dest='ignoreerrors', help='continue on download errors', default=False) (opts, args) = parser.parse_args() # Conflicting, missing and erroneous options @@ -536,6 +548,7 @@ if __name__ == '__main__': or (opts.usetitle and '%(stitle)s-%(id)s.%(ext)s') or (opts.useliteral and '%(title)s-%(id)s.%(ext)s') or '%(id)s.%(ext)s'), + 'ignoreerrors': opts.ignoreerrors, }) fd.add_info_extractor(youtube_ie) retcode = fd.download(args)