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yt-dlp
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Ability to set a specific field in the file's metadata 

Eg: `--parse-metadata "description:(?s)(?P<meta_comment>.+)"`
sets the "comment" field using `description`
This commit is contained in:
pukkandan 2021-04-03 13:59:55 +05:30
parent 54df8fc5b2
commit 84601bb72b
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GPG Key ID: 0F00D95A001F4698
3 changed files with 12 additions and 6 deletions
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4
test/test_postprocessors.py
View File

@ -14,10 +14,10 @@ from yt_dlp.postprocessor import MetadataFromFieldPP, MetadataFromTitlePP
class TestMetadataFromField(unittest.TestCase): class TestMetadataFromField(unittest.TestCase):
def test_format_to_regex(self): def test_format_to_regex(self):
pp = MetadataFromFieldPP(None, ['title:%(title)s - %(artist)s']) pp = MetadataFromFieldPP(None, ['title:%(title)s - %(artist)s'])
self.assertEqual(pp._data[0]['regex'], r'(?P<title>[^\r\n]+)\ \-\ (?P<artist>[^\r\n]+)') self.assertEqual(pp._data[0]['regex'], r'(?P<title>.+)\ \-\ (?P<artist>.+)')
class TestMetadataFromTitle(unittest.TestCase): class TestMetadataFromTitle(unittest.TestCase):
def test_format_to_regex(self): def test_format_to_regex(self):
pp = MetadataFromTitlePP(None, '%(title)s - %(artist)s') pp = MetadataFromTitlePP(None, '%(title)s - %(artist)s')
self.assertEqual(pp._titleregex, r'(?P<title>[^\r\n]+)\ \-\ (?P<artist>[^\r\n]+)') self.assertEqual(pp._titleregex, r'(?P<title>.+)\ \-\ (?P<artist>.+)')

12
yt_dlp/postprocessor/ffmpeg.py
View File

@ -10,7 +10,7 @@ import json
from .common import AudioConversionError, PostProcessor from .common import AudioConversionError, PostProcessor
from ..compat import compat_str from ..compat import compat_str, compat_numeric_types
from ..utils import ( from ..utils import (
encodeArgument, encodeArgument,
encodeFilename, encodeFilename,
@ -530,6 +530,8 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
metadata = {} metadata = {}
def add(meta_list, info_list=None): def add(meta_list, info_list=None):
if not meta_list:
return
if not info_list: if not info_list:
info_list = meta_list info_list = meta_list
if not isinstance(meta_list, (list, tuple)): if not isinstance(meta_list, (list, tuple)):
@ -537,7 +539,7 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
if not isinstance(info_list, (list, tuple)): if not isinstance(info_list, (list, tuple)):
info_list = (info_list,) info_list = (info_list,)
for info_f in info_list: for info_f in info_list:
if info.get(info_f) is not None: if isinstance(info.get(info_f), (compat_str, compat_numeric_types)):
for meta_f in meta_list: for meta_f in meta_list:
metadata[meta_f] = info[info_f] metadata[meta_f] = info[info_f]
break break
@ -563,6 +565,10 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
add('episode_id', ('episode', 'episode_id')) add('episode_id', ('episode', 'episode_id'))
add('episode_sort', 'episode_number') add('episode_sort', 'episode_number')
prefix = 'meta_'
for key in filter(lambda k: k.startswith(prefix), info.keys()):
add(key[len(prefix):], key)
if not metadata: if not metadata:
self.to_screen('There isn\'t any metadata to add') self.to_screen('There isn\'t any metadata to add')
return [], info return [], info
@ -577,7 +583,7 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
else: else:
options.extend(['-c', 'copy']) options.extend(['-c', 'copy'])
for (name, value) in metadata.items(): for name, value in metadata.items():
options.extend(['-metadata', '%s=%s' % (name, value)]) options.extend(['-metadata', '%s=%s' % (name, value)])
chapters = info.get('chapters', []) chapters = info.get('chapters', [])

2
yt_dlp/postprocessor/metadatafromfield.py
View File

@ -45,7 +45,7 @@ class MetadataFromFieldPP(PostProcessor):
# replace %(..)s with regex group and escape other string parts # replace %(..)s with regex group and escape other string parts
for match in re.finditer(r'%\((\w+)\)s', fmt): for match in re.finditer(r'%\((\w+)\)s', fmt):
regex += re.escape(fmt[lastpos:match.start()]) regex += re.escape(fmt[lastpos:match.start()])
regex += r'(?P<%s>[^\r\n]+)' % match.group(1) regex += r'(?P<%s>.+)' % match.group(1)
lastpos = match.end() lastpos = match.end()
if lastpos < len(fmt): if lastpos < len(fmt):
regex += re.escape(fmt[lastpos:]) regex += re.escape(fmt[lastpos:])