From e7db87f7000143341505cff812d1fa0371ac901e Mon Sep 17 00:00:00 2001 From: phiresky Date: Wed, 4 Mar 2015 22:33:56 +0100 Subject: [PATCH] Add metadata from title parser (Closes #5125) --- youtube_dl/__init__.py | 5 ++ youtube_dl/options.py | 9 ++++ youtube_dl/postprocessor/__init__.py | 2 + youtube_dl/postprocessor/ffmpeg.py | 10 +++- youtube_dl/postprocessor/metadatafromtitle.py | 48 +++++++++++++++++++ 5 files changed, 72 insertions(+), 2 deletions(-) create mode 100644 youtube_dl/postprocessor/metadatafromtitle.py diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py index a08ddd670..852b2fc3d 100644 --- a/youtube_dl/__init__.py +++ b/youtube_dl/__init__.py @@ -213,6 +213,11 @@ def _real_main(argv=None): # PostProcessors postprocessors = [] # Add the metadata pp first, the other pps will copy it + if opts.metafromtitle: + postprocessors.append({ + 'key': 'MetadataFromTitle', + 'titleformat': opts.metafromtitle + }) if opts.addmetadata: postprocessors.append({'key': 'FFmpegMetadata'}) if opts.extractaudio: diff --git a/youtube_dl/options.py b/youtube_dl/options.py index eefe008d5..be9402fdb 100644 --- a/youtube_dl/options.py +++ b/youtube_dl/options.py @@ -735,6 +735,15 @@ def _hide_login_info(opts): '--add-metadata', action='store_true', dest='addmetadata', default=False, help='write metadata to the video file') + postproc.add_option( + '--metadata-from-title', + metavar='FORMAT', dest='metafromtitle', + help='parse additional metadata like song title / artist from the video title. \n' + 'The format syntax is the same as --output, ' + 'the parsed parameters replace existing values.\n' + 'Additional templates: %(songtitle), %(album), %(artist). \n' + 'Example: --metadata-from-title "%(artist)s - %(title)s" matches a title like ' + '"Coldplay - Paradise"') postproc.add_option( '--xattrs', action='store_true', dest='xattrs', default=False, diff --git a/youtube_dl/postprocessor/__init__.py b/youtube_dl/postprocessor/__init__.py index 708df3dd4..f39acadce 100644 --- a/youtube_dl/postprocessor/__init__.py +++ b/youtube_dl/postprocessor/__init__.py @@ -15,6 +15,7 @@ ) from .xattrpp import XAttrMetadataPP from .execafterdownload import ExecAfterDownloadPP +from .metadatafromtitle import MetadataFromTitlePP def get_postprocessor(key): @@ -34,5 +35,6 @@ def get_postprocessor(key): 'FFmpegPostProcessor', 'FFmpegSubtitlesConvertorPP', 'FFmpegVideoConvertorPP', + 'MetadataFromTitlePP', 'XAttrMetadataPP', ] diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py index 30094c2f3..a17113cbf 100644 --- a/youtube_dl/postprocessor/ffmpeg.py +++ b/youtube_dl/postprocessor/ffmpeg.py @@ -541,11 +541,15 @@ def run(self, information): class FFmpegMetadataPP(FFmpegPostProcessor): def run(self, info): metadata = {} - if info.get('title') is not None: + if info.get('songtitle') is not None: + metadata['title'] = info['songtitle'] + elif info.get('title') is not None: metadata['title'] = info['title'] if info.get('upload_date') is not None: metadata['date'] = info['upload_date'] - if info.get('uploader') is not None: + if info.get('artist') is not None: + metadata['artist'] = info['artist'] + elif info.get('uploader') is not None: metadata['artist'] = info['uploader'] elif info.get('uploader_id') is not None: metadata['artist'] = info['uploader_id'] @@ -554,6 +558,8 @@ def run(self, info): metadata['comment'] = info['description'] if info.get('webpage_url') is not None: metadata['purl'] = info['webpage_url'] + if info.get('album') is not None: + metadata['album'] = info['album'] if not metadata: self._downloader.to_screen('[ffmpeg] There isn\'t any metadata to add') diff --git a/youtube_dl/postprocessor/metadatafromtitle.py b/youtube_dl/postprocessor/metadatafromtitle.py new file mode 100644 index 000000000..4c9d3aafe --- /dev/null +++ b/youtube_dl/postprocessor/metadatafromtitle.py @@ -0,0 +1,48 @@ +# -*- coding: utf-8 -*- + +import re + +from .common import PostProcessor +from ..utils import PostProcessingError + + +class MetadataFromTitlePPError(PostProcessingError): + pass + + +class MetadataFromTitlePP(PostProcessor): + def __init__(self, downloader, titleformat): + self._titleformat = titleformat + self._titleregex = self.fmtToRegex(titleformat) + + def fmtToRegex(self, fmt): + """ + Converts a string like + '%(title)s - %(artist)s' + to a regex like + '(?P.+)\ \-\ (?P<artist>.+)' + and a list of the named groups [title, artist] + """ + lastpos = 0 + regex = "" + groups = [] + # replace %(..)s with regex group and escape other string parts + for match in re.finditer(r'%\((\w+)\)s', fmt): + regex += re.escape(fmt[lastpos:match.start()]) + regex += r'(?P<' + match.group(1) + '>.+)' + lastpos = match.end() + if lastpos < len(fmt): + regex += re.escape(fmt[lastpos:len(fmt)]) + return regex + + def run(self, info): + title = info['title'] + match = re.match(self._titleregex, title) + if match is None: + raise MetadataFromTitlePPError('Could not interpret title of video as "%s"' % self._titleformat) + for attribute, value in match.groupdict().items(): + value = match.group(attribute) + info[attribute] = value + self._downloader.to_screen('[fromtitle] parsed ' + attribute + ': ' + value) + + return True, info