diff options
Diffstat (limited to 'youtube_dl/FileDownloader.py')
| -rw-r--r-- | youtube_dl/FileDownloader.py | 99 |
1 files changed, 73 insertions, 26 deletions
diff --git a/youtube_dl/FileDownloader.py b/youtube_dl/FileDownloader.py index 57f741c30..5087b4cc8 100644 --- a/youtube_dl/FileDownloader.py +++ b/youtube_dl/FileDownloader.py @@ -78,7 +78,11 @@ class FileDownloader(object): updatetime: Use the Last-modified header to set output file timestamps. writedescription: Write the video description to a .description file writeinfojson: Write the video description to a .info.json file - writesubtitles: Write the video subtitles to a .srt file + writesubtitles: Write the video subtitles to a file + onlysubtitles: Downloads only the subtitles of the video + allsubtitles: Downloads all the subtitles of the video + listsubtitles: Lists all available subtitles for the video + subtitlesformat: Subtitle format [sbv/srt] (default=srt) subtitleslang: Language of the subtitles to download test: Download only first bytes to test the downloader. keepvideo: Keep the video file after post-processing @@ -246,6 +250,18 @@ class FileDownloader(object): warning_message=u'%s %s' % (_msg_header,message) self.to_stderr(warning_message) + def report_error(self, message, tb=None): + ''' + Do the same as trouble, but prefixes the message with 'ERROR:', colored + in red if stderr is a tty file. + ''' + if sys.stderr.isatty(): + _msg_header = u'\033[0;31mERROR:\033[0m' + else: + _msg_header = u'ERROR:' + error_message = u'%s %s' % (_msg_header, message) + self.trouble(error_message, tb) + def slow_down(self, start_time, byte_counter): """Sleep if the download speed is over the rate limit.""" rate_limit = self.params.get('ratelimit', None) @@ -277,7 +293,7 @@ class FileDownloader(object): return os.rename(encodeFilename(old_filename), encodeFilename(new_filename)) except (IOError, OSError) as err: - self.trouble(u'ERROR: unable to rename file') + self.report_error(u'unable to rename file') def try_utime(self, filename, last_modified_hdr): """Try to set the last-modified time of the given file.""" @@ -301,9 +317,9 @@ class FileDownloader(object): """ Report that the description file is being written """ self.to_screen(u'[info] Writing video description to: ' + descfn) - def report_writesubtitles(self, srtfn): + def report_writesubtitles(self, sub_filename): """ Report that the subtitles file is being written """ - self.to_screen(u'[info] Writing video subtitles to: ' + srtfn) + self.to_screen(u'[info] Writing video subtitles to: ' + sub_filename) def report_writeinfojson(self, infofn): """ Report that the metadata file has been written """ @@ -372,8 +388,11 @@ class FileDownloader(object): filename = self.params['outtmpl'] % template_dict return filename - except (ValueError, KeyError) as err: - self.trouble(u'ERROR: invalid system charset or erroneous output template') + except KeyError as err: + self.trouble(u'ERROR: Erroneous output template') + return None + except ValueError as err: + self.trouble(u'ERROR: Insufficient system charset ' + repr(preferredencoding())) return None def _match_entry(self, info_dict): @@ -437,7 +456,7 @@ class FileDownloader(object): if dn != '' and not os.path.exists(dn): # dn is already encoded os.makedirs(dn) except (OSError, IOError) as err: - self.trouble(u'ERROR: unable to create directory ' + compat_str(err)) + self.report_error(u'unable to create directory ' + compat_str(err)) return if self.params.get('writedescription', False): @@ -447,20 +466,41 @@ class FileDownloader(object): with io.open(encodeFilename(descfn), 'w', encoding='utf-8') as descfile: descfile.write(info_dict['description']) except (OSError, IOError): - self.trouble(u'ERROR: Cannot write description file ' + descfn) + self.report_error(u'Cannot write description file ' + descfn) return if self.params.get('writesubtitles', False) and 'subtitles' in info_dict and info_dict['subtitles']: # subtitles download errors are already managed as troubles in relevant IE # that way it will silently go on when used with unsupporting IE + subtitle = info_dict['subtitles'][0] + (sub_error, sub_lang, sub) = subtitle + sub_format = self.params.get('subtitlesformat') try: - srtfn = filename.rsplit('.', 1)[0] + u'.srt' - self.report_writesubtitles(srtfn) - with io.open(encodeFilename(srtfn), 'w', encoding='utf-8') as srtfile: - srtfile.write(info_dict['subtitles']) + sub_filename = filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format + self.report_writesubtitles(sub_filename) + with io.open(encodeFilename(sub_filename), 'w', encoding='utf-8') as subfile: + subfile.write(sub) except (OSError, IOError): - self.trouble(u'ERROR: Cannot write subtitles file ' + descfn) + self.report_error(u'Cannot write subtitles file ' + descfn) return + if self.params.get('onlysubtitles', False): + return + + if self.params.get('allsubtitles', False) and 'subtitles' in info_dict and info_dict['subtitles']: + subtitles = info_dict['subtitles'] + sub_format = self.params.get('subtitlesformat') + for subtitle in subtitles: + (sub_error, sub_lang, sub) = subtitle + try: + sub_filename = filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format + self.report_writesubtitles(sub_filename) + with io.open(encodeFilename(sub_filename), 'w', encoding='utf-8') as subfile: + subfile.write(sub) + except (OSError, IOError): + self.trouble(u'ERROR: Cannot write subtitles file ' + descfn) + return + if self.params.get('onlysubtitles', False): + return if self.params.get('writeinfojson', False): infofn = filename + u'.info.json' @@ -469,7 +509,7 @@ class FileDownloader(object): json_info_dict = dict((k, v) for k,v in info_dict.items() if not k in ['urlhandle']) write_json_file(json_info_dict, encodeFilename(infofn)) except (OSError, IOError): - self.trouble(u'ERROR: Cannot write metadata to JSON file ' + infofn) + self.report_error(u'Cannot write metadata to JSON file ' + infofn) return if not self.params.get('skip_download', False): @@ -481,17 +521,17 @@ class FileDownloader(object): except (OSError, IOError) as err: raise UnavailableVideoError() except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: - self.trouble(u'ERROR: unable to download video data: %s' % str(err)) + self.report_error(u'unable to download video data: %s' % str(err)) return except (ContentTooShortError, ) as err: - self.trouble(u'ERROR: content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded)) + self.report_error(u'content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded)) return if success: try: self.post_process(filename, info_dict) except (PostProcessingError) as err: - self.trouble(u'ERROR: postprocessing: %s' % str(err)) + self.report_error(u'postprocessing: %s' % str(err)) return def download(self, url_list): @@ -520,9 +560,12 @@ class FileDownloader(object): except ExtractorError as de: # An error we somewhat expected self.trouble(u'ERROR: ' + compat_str(de), de.format_traceback()) break + except MaxDownloadsReached: + self.to_screen(u'[info] Maximum number of downloaded files reached.') + raise except Exception as e: if self.params.get('ignoreerrors', False): - self.trouble(u'ERROR: ' + compat_str(e), tb=compat_str(traceback.format_exc())) + self.report_error(u'' + compat_str(e), tb=compat_str(traceback.format_exc())) break else: raise @@ -536,13 +579,14 @@ class FileDownloader(object): self.increment_downloads() self.process_info(video) except UnavailableVideoError: - self.trouble(u'\nERROR: unable to download video') + self.to_stderr(u"\n") + self.report_error(u'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) + self.report_error(u'no suitable InfoExtractor: %s' % url) return self._download_retcode @@ -577,7 +621,7 @@ class FileDownloader(object): try: subprocess.call(['rtmpdump', '-h'], stdout=(open(os.path.devnull, 'w')), stderr=subprocess.STDOUT) except (OSError, IOError): - self.trouble(u'ERROR: RTMP download detected but "rtmpdump" could not be run') + self.report_error(u'RTMP download detected but "rtmpdump" could not be run') return False # Download using rtmpdump. rtmpdump returns exit code 2 when @@ -622,7 +666,8 @@ class FileDownloader(object): }) return True else: - self.trouble(u'\nERROR: rtmpdump exited with code %d' % retval) + self.to_stderr(u"\n") + self.report_error(u'rtmpdump exited with code %d' % retval) return False def _do_download(self, filename, info_dict): @@ -722,7 +767,7 @@ class FileDownloader(object): self.report_retry(count, retries) if count > retries: - self.trouble(u'ERROR: giving up after %s retries' % retries) + self.report_error(u'giving up after %s retries' % retries) return False data_len = data.info().get('Content-length', None) @@ -758,12 +803,13 @@ class FileDownloader(object): filename = self.undo_temp_name(tmpfilename) self.report_destination(filename) except (OSError, IOError) as err: - self.trouble(u'ERROR: unable to open for writing: %s' % str(err)) + self.report_error(u'unable to open for writing: %s' % str(err)) return False try: stream.write(data_block) except (IOError, OSError) as err: - self.trouble(u'\nERROR: unable to write data: %s' % str(err)) + self.to_stderr(u"\n") + self.report_error(u'unable to write data: %s' % str(err)) return False if not self.params.get('noresizebuffer', False): block_size = self.best_block_size(after - before, len(data_block)) @@ -789,7 +835,8 @@ class FileDownloader(object): self.slow_down(start, byte_counter - resume_len) if stream is None: - self.trouble(u'\nERROR: Did not get any data blocks') + self.to_stderr(u"\n") + self.report_error(u'Did not get any data blocks') return False stream.close() self.report_finish() |