]> jfr.im git - yt-dlp.git/blobdiff - yt_dlp/YoutubeDL.py
Use certificates from `certifi` if installed (#3115)
[yt-dlp.git] / yt_dlp / YoutubeDL.py
index dfca76bb00a8aae024d2452db7c144035455da5e..d075a82bc758dcbce9b46daba84796806f5e8513 100644 (file)
@@ -32,6 +32,7 @@
 
 from .compat import (
     compat_basestring,
+    compat_brotli,
     compat_get_terminal_size,
     compat_kwargs,
     compat_numeric_types,
@@ -71,7 +72,9 @@
     formatSeconds,
     GeoRestrictedError,
     get_domain,
+    has_certifi,
     HEADRequest,
+    InAdvancePagedList,
     int_or_none,
     iri_to_uri,
     ISO3166Utils,
@@ -82,6 +85,7 @@
     make_dir,
     make_HTTPS_handler,
     MaxDownloadsReached,
+    merge_headers,
     network_exceptions,
     number_of_digits,
     orderedSet,
@@ -200,9 +204,12 @@ class YoutubeDL(object):
     verbose:           Print additional info to stdout.
     quiet:             Do not print messages to stdout.
     no_warnings:       Do not print out anything for warnings.
-    forceprint:        A dict with keys video/playlist mapped to
-                       a list of templates to force print to stdout
+    forceprint:        A dict with keys WHEN mapped to a list of templates to
+                       print to stdout. The allowed keys are video or any of the
+                       items in utils.POSTPROCESS_WHEN.
                        For compatibility, a single list is also accepted
+    print_to_file:     A dict with keys WHEN (same as forceprint) mapped to
+                       a list of tuples with (template, filename)
     forceurl:          Force printing final URL. (Deprecated)
     forcetitle:        Force printing title. (Deprecated)
     forceid:           Force printing ID. (Deprecated)
@@ -229,6 +236,8 @@ class YoutubeDL(object):
                        See "Sorting Formats" for more details.
     format_sort_force: Force the given format_sort. see "Sorting Formats"
                        for more details.
+    prefer_free_formats: Whether to prefer video formats with free containers
+                       over non-free ones of same quality.
     allow_multiple_video_streams:   Allow multiple video streams to be merged
                        into a single file
     allow_multiple_audio_streams:   Allow multiple audio streams to be merged
@@ -323,9 +332,12 @@ class YoutubeDL(object):
     cookiesfrombrowser:  A tuple containing the name of the browser, the profile
                        name/pathfrom where cookies are loaded, and the name of the
                        keyring. Eg: ('chrome', ) or ('vivaldi', 'default', 'BASICTEXT')
+    legacyserverconnect: Explicitly allow HTTPS connection to servers that do not
+                       support RFC 5746 secure renegotiation
     nocheckcertificate:  Do not verify SSL certificates
     prefer_insecure:   Use HTTP instead of HTTPS to retrieve information.
                        At the moment, this is only supported by YouTube.
+    http_headers:      A dictionary of custom headers to be used for all requests
     proxy:             URL of the proxy server to use
     geo_verification_proxy:  URL of the proxy to use for IP address verification
                        on geo-restricted sites.
@@ -346,8 +358,8 @@ class YoutubeDL(object):
     postprocessors:    A list of dictionaries, each with an entry
                        * key:  The name of the postprocessor. See
                                yt_dlp/postprocessor/__init__.py for a list.
-                       * when: When to run the postprocessor. Can be one of
-                               pre_process|before_dl|post_process|after_move.
+                       * when: When to run the postprocessor. Allowed values are
+                               the entries of utils.POSTPROCESS_WHEN
                                Assumed to be 'post_process' if not given
     post_hooks:        Deprecated - Register a custom postprocessor instead
                        A list of functions that get called as the final step
@@ -478,6 +490,7 @@ class YoutubeDL(object):
     extractor_args:    A dictionary of arguments to be passed to the extractors.
                        See "EXTRACTOR ARGUMENTS" for details.
                        Eg: {'youtube': {'skip': ['dash', 'hls']}}
+    mark_watched:      Mark videos watched (even with --simulate). Only for YouTube
     youtube_include_dash_manifest: Deprecated - Use extractor_args instead.
                        If True (default), DASH manifests and related
                        data will be downloaded and processed by extractor.
@@ -506,17 +519,6 @@ class YoutubeDL(object):
         'storyboards': {'mhtml'},
     }
 
-    params = None
-    _ies = {}
-    _pps = {k: [] for k in POSTPROCESS_WHEN}
-    _printed_messages = set()
-    _first_webpage_request = True
-    _download_retcode = None
-    _num_downloads = None
-    _playlist_level = 0
-    _playlist_urls = set()
-    _screen_file = None
-
     def __init__(self, params=None, auto_init=True):
         """Create a FileDownloader object with the given options.
         @param auto_init    Whether to load the default extractors and print header (if verbose).
@@ -524,6 +526,7 @@ def __init__(self, params=None, auto_init=True):
         """
         if params is None:
             params = {}
+        self.params = params
         self._ies = {}
         self._ies_instances = {}
         self._pps = {k: [] for k in POSTPROCESS_WHEN}
@@ -535,15 +538,21 @@ def __init__(self, params=None, auto_init=True):
         self._download_retcode = 0
         self._num_downloads = 0
         self._num_videos = 0
-        self._screen_file = [sys.stdout, sys.stderr][params.get('logtostderr', False)]
-        self._err_file = sys.stderr
-        self.params = params
+        self._playlist_level = 0
+        self._playlist_urls = set()
         self.cache = Cache(self)
 
         windows_enable_vt_mode()
+        self._out_files = {
+            'error': sys.stderr,
+            'print': sys.stderr if self.params.get('logtostderr') else sys.stdout,
+            'console': None if compat_os_name == 'nt' else next(
+                filter(supports_terminal_sequences, (sys.stderr, sys.stdout)), None)
+        }
+        self._out_files['screen'] = sys.stderr if self.params.get('quiet') else self._out_files['print']
         self._allow_colors = {
-            'screen': not self.params.get('no_color') and supports_terminal_sequences(self._screen_file),
-            'err': not self.params.get('no_color') and supports_terminal_sequences(self._err_file),
+            type_: not self.params.get('no_color') and supports_terminal_sequences(self._out_files[type_])
+            for type_ in ('screen', 'error')
         }
 
         if sys.version_info < (3, 6):
@@ -589,12 +598,14 @@ def check_deprecated(param, option, suggestion):
         else:
             self.params['nooverwrites'] = not self.params['overwrites']
 
+        self.params.setdefault('forceprint', {})
+        self.params.setdefault('print_to_file', {})
+
         # Compatibility with older syntax
-        params.setdefault('forceprint', {})
         if not isinstance(params['forceprint'], dict):
-            params['forceprint'] = {'video': params['forceprint']}
+            self.params['forceprint'] = {'video': params['forceprint']}
 
-        if params.get('bidi_workaround', False):
+        if self.params.get('bidi_workaround', False):
             try:
                 import pty
                 master, slave = pty.openpty()
@@ -606,7 +617,7 @@ def check_deprecated(param, option, suggestion):
                 sp_kwargs = dict(
                     stdin=subprocess.PIPE,
                     stdout=slave,
-                    stderr=self._err_file)
+                    stderr=self._out_files['error'])
                 try:
                     self._output_process = Popen(['bidiv'] + width_args, **sp_kwargs)
                 except OSError:
@@ -622,7 +633,7 @@ def check_deprecated(param, option, suggestion):
 
         if (sys.platform != 'win32'
                 and sys.getfilesystemencoding() in ['ascii', 'ANSI_X3.4-1968']
-                and not params.get('restrictfilenames', False)):
+                and not self.params.get('restrictfilenames', False)):
             # Unicode filesystem API will throw errors (#1474, #13027)
             self.report_warning(
                 'Assuming --restrict-filenames since file system encoding '
@@ -638,6 +649,9 @@ def check_deprecated(param, option, suggestion):
             else self.params['format'] if callable(self.params['format'])
             else self.build_format_selector(self.params['format']))
 
+        # Set http_headers defaults according to std_headers
+        self.params['http_headers'] = merge_headers(std_headers, self.params.get('http_headers', {}))
+
         self._setup_opener()
 
         if auto_init:
@@ -771,14 +785,24 @@ def _write_string(self, message, out=None, only_once=False):
             self._printed_messages.add(message)
         write_string(message, out=out, encoding=self.params.get('encoding'))
 
-    def to_stdout(self, message, skip_eol=False, quiet=False):
+    def to_stdout(self, message, skip_eol=False, quiet=None):
         """Print message to stdout"""
+        if quiet is not None:
+            self.deprecation_warning('"ydl.to_stdout" no longer accepts the argument quiet. Use "ydl.to_screen" instead')
+        self._write_string(
+            '%s%s' % (self._bidi_workaround(message), ('' if skip_eol else '\n')),
+            self._out_files['print'])
+
+    def to_screen(self, message, skip_eol=False, quiet=None):
+        """Print message to screen if not in quiet mode"""
         if self.params.get('logger'):
             self.params['logger'].debug(message)
-        elif not quiet or self.params.get('verbose'):
-            self._write_string(
-                '%s%s' % (self._bidi_workaround(message), ('' if skip_eol else '\n')),
-                self._err_file if quiet else self._screen_file)
+            return
+        if (self.params.get('quiet') if quiet is None else quiet) and not self.params.get('verbose'):
+            return
+        self._write_string(
+            '%s%s' % (self._bidi_workaround(message), ('' if skip_eol else '\n')),
+            self._out_files['screen'])
 
     def to_stderr(self, message, only_once=False):
         """Print message to stderr"""
@@ -786,7 +810,12 @@ def to_stderr(self, message, only_once=False):
         if self.params.get('logger'):
             self.params['logger'].error(message)
         else:
-            self._write_string('%s\n' % self._bidi_workaround(message), self._err_file, only_once=only_once)
+            self._write_string('%s\n' % self._bidi_workaround(message), self._out_files['error'], only_once=only_once)
+
+    def _send_console_code(self, code):
+        if compat_os_name == 'nt' or not self._out_files['console']:
+            return
+        self._write_string(code, self._out_files['console'])
 
     def to_console_title(self, message):
         if not self.params.get('consoletitle', False):
@@ -797,26 +826,18 @@ def to_console_title(self, message):
                 # c_wchar_p() might not be necessary if `message` is
                 # already of type unicode()
                 ctypes.windll.kernel32.SetConsoleTitleW(ctypes.c_wchar_p(message))
-        elif 'TERM' in os.environ:
-            self._write_string('\033]0;%s\007' % message, self._screen_file)
+        else:
+            self._send_console_code(f'\033]0;{message}\007')
 
     def save_console_title(self):
-        if not self.params.get('consoletitle', False):
-            return
-        if self.params.get('simulate'):
+        if not self.params.get('consoletitle') or self.params.get('simulate'):
             return
-        if compat_os_name != 'nt' and 'TERM' in os.environ:
-            # Save the title on stack
-            self._write_string('\033[22;0t', self._screen_file)
+        self._send_console_code('\033[22;0t')  # Save the title on stack
 
     def restore_console_title(self):
-        if not self.params.get('consoletitle', False):
-            return
-        if self.params.get('simulate'):
+        if not self.params.get('consoletitle') or self.params.get('simulate'):
             return
-        if compat_os_name != 'nt' and 'TERM' in os.environ:
-            # Restore the title from stack
-            self._write_string('\033[23;0t', self._screen_file)
+        self._send_console_code('\033[23;0t')  # Restore the title from stack
 
     def __enter__(self):
         self.save_console_title()
@@ -862,11 +883,6 @@ def trouble(self, message=None, tb=None, is_error=True):
             raise DownloadError(message, exc_info)
         self._download_retcode = 1
 
-    def to_screen(self, message, skip_eol=False):
-        """Print message to stdout if not in quiet mode"""
-        self.to_stdout(
-            message, skip_eol, quiet=self.params.get('quiet', False))
-
     class Styles(Enum):
         HEADERS = 'yellow'
         EMPHASIS = 'light blue'
@@ -879,7 +895,8 @@ class Styles(Enum):
     def _format_text(self, handle, allow_colors, text, f, fallback=None, *, test_encoding=False):
         if test_encoding:
             original_text = text
-            encoding = self.params.get('encoding') or getattr(handle, 'encoding', 'ascii')
+            # handle.encoding can be None. See https://github.com/yt-dlp/yt-dlp/issues/2711
+            encoding = self.params.get('encoding') or getattr(handle, 'encoding', None) or 'ascii'
             text = text.encode(encoding, 'ignore').decode(encoding)
             if fallback is not None and text != original_text:
                 text = fallback
@@ -889,11 +906,11 @@ def _format_text(self, handle, allow_colors, text, f, fallback=None, *, test_enc
 
     def _format_screen(self, *args, **kwargs):
         return self._format_text(
-            self._screen_file, self._allow_colors['screen'], *args, **kwargs)
+            self._out_files['screen'], self._allow_colors['screen'], *args, **kwargs)
 
     def _format_err(self, *args, **kwargs):
         return self._format_text(
-            self._err_file, self._allow_colors['err'], *args, **kwargs)
+            self._out_files['error'], self._allow_colors['error'], *args, **kwargs)
 
     def report_warning(self, message, only_once=False):
         '''
@@ -944,13 +961,13 @@ def report_file_delete(self, file_name):
         except UnicodeEncodeError:
             self.to_screen('Deleting existing file')
 
-    def raise_no_formats(self, info, forced=False):
+    def raise_no_formats(self, info, forced=False, *, msg=None):
         has_drm = info.get('__has_drm')
-        msg = 'This video is DRM protected' if has_drm else 'No video formats found!'
-        expected = self.params.get('ignore_no_formats_error')
-        if forced or not expected:
+        ignored, expected = self.params.get('ignore_no_formats_error'), bool(msg)
+        msg = msg or has_drm and 'This video is DRM protected' or 'No video formats found!'
+        if forced or not ignored:
             raise ExtractorError(msg, video_id=info['id'], ie=info['extractor'],
-                                 expected=has_drm or expected)
+                                 expected=has_drm or ignored or expected)
         else:
             self.report_warning(msg)
 
@@ -1027,8 +1044,7 @@ def validate_outtmpl(cls, outtmpl):
     @staticmethod
     def _copy_infodict(info_dict):
         info_dict = dict(info_dict)
-        for key in ('__original_infodict', '__postprocessors'):
-            info_dict.pop(key, None)
+        info_dict.pop('__postprocessors', None)
         return info_dict
 
     def prepare_outtmpl(self, outtmpl, info_dict, sanitize=False):
@@ -1213,10 +1229,17 @@ def _prepare_filename(self, info_dict, tmpl_type='default'):
         try:
             outtmpl = self._outtmpl_expandpath(self.outtmpl_dict.get(tmpl_type, self.outtmpl_dict['default']))
             filename = self.evaluate_outtmpl(outtmpl, info_dict, True)
+            if not filename:
+                return None
 
-            force_ext = OUTTMPL_TYPES.get(tmpl_type)
-            if filename and force_ext is not None:
-                filename = replace_extension(filename, force_ext, info_dict.get('ext'))
+            if tmpl_type in ('default', 'temp'):
+                final_ext, ext = self.params.get('final_ext'), info_dict.get('ext')
+                if final_ext and ext and final_ext != ext and filename.endswith(f'.{final_ext}'):
+                    filename = replace_extension(filename, ext, final_ext)
+            else:
+                force_ext = OUTTMPL_TYPES[tmpl_type]
+                if force_ext:
+                    filename = replace_extension(filename, force_ext, info_dict.get('ext'))
 
             # https://github.com/blackjack4494/youtube-dlc/issues/85
             trim_file_name = self.params.get('trim_file_name', False)
@@ -1406,7 +1429,7 @@ def progress(msg):
         min_wait, max_wait = self.params.get('wait_for_video')
         diff = try_get(ie_result, lambda x: x['release_timestamp'] - time.time())
         if diff is None and ie_result.get('live_status') == 'is_upcoming':
-            diff = random.randrange(min_wait, max_wait) if (max_wait and min_wait) else (max_wait or min_wait)
+            diff = round(random.uniform(min_wait, max_wait) if (max_wait and min_wait) else (max_wait or min_wait), 0)
             self.report_warning('Release time of video is not known')
         elif (diff or 0) <= 0:
             self.report_warning('Video should already be available according to extracted info')
@@ -1455,8 +1478,12 @@ def add_default_extra_info(self, ie_result, ie, url):
             self.add_extra_info(ie_result, {
                 'webpage_url': url,
                 'original_url': url,
-                'webpage_url_basename': url_basename(url),
-                'webpage_url_domain': get_domain(url),
+            })
+        webpage_url = ie_result.get('webpage_url')
+        if webpage_url:
+            self.add_extra_info(ie_result, {
+                'webpage_url_basename': url_basename(webpage_url),
+                'webpage_url_domain': get_domain(webpage_url),
             })
         if ie is not None:
             self.add_extra_info(ie_result, {
@@ -1564,6 +1591,7 @@ def process_ie_result(self, ie_result, download=True, extra_info=None):
 
             self._playlist_level += 1
             self._playlist_urls.add(webpage_url)
+            self._fill_common_fields(ie_result, False)
             self._sanitize_thumbnails(ie_result)
             try:
                 return self.__process_playlist(ie_result, download)
@@ -1660,6 +1688,9 @@ def get_entry(i):
             msg = 'Downloading %d videos'
             if not isinstance(ie_entries, (PagedList, LazyList)):
                 ie_entries = LazyList(ie_entries)
+            elif isinstance(ie_entries, InAdvancePagedList):
+                if ie_entries._pagesize == 1:
+                    playlist_count = ie_entries._pagecount
 
             def get_entry(i):
                 return YoutubeDL.__handle_extraction_exceptions(
@@ -1707,7 +1738,10 @@ def get_entry(i):
         ie_result['requested_entries'] = playlistitems
 
         _infojson_written = False
-        if not self.params.get('simulate') and self.params.get('allow_playlist_files', True):
+        write_playlist_files = self.params.get('allow_playlist_files', True)
+        if write_playlist_files and self.params.get('list_thumbnails'):
+            self.list_thumbnails(ie_result)
+        if write_playlist_files and not self.params.get('simulate'):
             ie_copy = self._playlist_infodict(ie_result, n_entries=n_entries)
             _infojson_written = self._write_info_json(
                 'playlist', ie_result, self.prepare_filename(ie_copy, 'pl_infojson'))
@@ -1820,15 +1854,21 @@ def _build_format_filter(self, filter_spec):
                 '^=': lambda attr, value: attr.startswith(value),
                 '$=': lambda attr, value: attr.endswith(value),
                 '*=': lambda attr, value: value in attr,
+                '~=': lambda attr, value: value.search(attr) is not None
             }
             str_operator_rex = re.compile(r'''(?x)\s*
                 (?P<key>[a-zA-Z0-9._-]+)\s*
-                (?P<negation>!\s*)?(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
-                (?P<value>[a-zA-Z0-9._-]+)\s*
+                (?P<negation>!\s*)?(?P<op>%s)\s*(?P<none_inclusive>\?\s*)?
+                (?P<quote>["'])?
+                (?P<value>(?(quote)(?:(?!(?P=quote))[^\\]|\\.)+|[\w.-]+))
+                (?(quote)(?P=quote))\s*
                 ''' % '|'.join(map(re.escape, STR_OPERATORS.keys())))
             m = str_operator_rex.fullmatch(filter_spec)
             if m:
-                comparison_value = m.group('value')
+                if m.group('op') == '~=':
+                    comparison_value = re.compile(m.group('value'))
+                else:
+                    comparison_value = re.sub(r'''\\([\\"'])''', r'\1', m.group('value'))
                 str_op = STR_OPERATORS[m.group('op')]
                 if m.group('negation'):
                     op = lambda attr, value: not str_op(attr, value)
@@ -2217,11 +2257,7 @@ def restore_last_token(self):
         return _build_selector_function(parsed_selector)
 
     def _calc_headers(self, info_dict):
-        res = std_headers.copy()
-
-        add_headers = info_dict.get('http_headers')
-        if add_headers:
-            res.update(add_headers)
+        res = merge_headers(self.params['http_headers'], info_dict.get('http_headers') or {})
 
         cookies = self._calc_cookies(info_dict)
         if cookies:
@@ -2279,15 +2315,66 @@ def check_thumbnails(thumbnails):
         else:
             info_dict['thumbnails'] = thumbnails
 
+    def _fill_common_fields(self, info_dict, is_video=True):
+        # TODO: move sanitization here
+        if is_video:
+            # playlists are allowed to lack "title"
+            info_dict['fulltitle'] = info_dict.get('title')
+            if 'title' not in info_dict:
+                raise ExtractorError('Missing "title" field in extractor result',
+                                     video_id=info_dict['id'], ie=info_dict['extractor'])
+            elif not info_dict.get('title'):
+                self.report_warning('Extractor failed to obtain "title". Creating a generic title instead')
+                info_dict['title'] = f'{info_dict["extractor"]} video #{info_dict["id"]}'
+
+        if info_dict.get('duration') is not None:
+            info_dict['duration_string'] = formatSeconds(info_dict['duration'])
+
+        for ts_key, date_key in (
+                ('timestamp', 'upload_date'),
+                ('release_timestamp', 'release_date'),
+                ('modified_timestamp', 'modified_date'),
+        ):
+            if info_dict.get(date_key) is None and info_dict.get(ts_key) is not None:
+                # Working around out-of-range timestamp values (e.g. negative ones on Windows,
+                # see http://bugs.python.org/issue1646728)
+                try:
+                    upload_date = datetime.datetime.utcfromtimestamp(info_dict[ts_key])
+                    info_dict[date_key] = upload_date.strftime('%Y%m%d')
+                except (ValueError, OverflowError, OSError):
+                    pass
+
+        live_keys = ('is_live', 'was_live')
+        live_status = info_dict.get('live_status')
+        if live_status is None:
+            for key in live_keys:
+                if info_dict.get(key) is False:
+                    continue
+                if info_dict.get(key):
+                    live_status = key
+                break
+            if all(info_dict.get(key) is False for key in live_keys):
+                live_status = 'not_live'
+        if live_status:
+            info_dict['live_status'] = live_status
+            for key in live_keys:
+                if info_dict.get(key) is None:
+                    info_dict[key] = (live_status == key)
+
+        # Auto generate title fields corresponding to the *_number fields when missing
+        # in order to always have clean titles. This is very common for TV series.
+        for field in ('chapter', 'season', 'episode'):
+            if info_dict.get('%s_number' % field) is not None and not info_dict.get(field):
+                info_dict[field] = '%s %d' % (field.capitalize(), info_dict['%s_number' % field])
+
     def process_video_result(self, info_dict, download=True):
         assert info_dict.get('_type', 'video') == 'video'
         self._num_videos += 1
 
         if 'id' not in info_dict:
-            raise ExtractorError('Missing "id" field in extractor result')
-        if 'title' not in info_dict:
-            raise ExtractorError('Missing "title" field in extractor result',
-                                 video_id=info_dict['id'], ie=info_dict['extractor'])
+            raise ExtractorError('Missing "id" field in extractor result', ie=info_dict['extractor'])
+        elif not info_dict.get('id'):
+            raise ExtractorError('Extractor failed to obtain "id"', ie=info_dict['extractor'])
 
         def report_force_conversion(field, field_not, conversion):
             self.report_warning(
@@ -2311,6 +2398,8 @@ def sanitize_numeric_fields(info):
 
         sanitize_string_field(info_dict, 'id')
         sanitize_numeric_fields(info_dict)
+        if (info_dict.get('duration') or 0) <= 0 and info_dict.pop('duration', None):
+            self.report_warning('"duration" field is negative, there is an error in extractor')
 
         if 'playlist' not in info_dict:
             # It isn't part of a playlist
@@ -2329,45 +2418,7 @@ def sanitize_numeric_fields(info):
         if info_dict.get('display_id') is None and 'id' in info_dict:
             info_dict['display_id'] = info_dict['id']
 
-        if info_dict.get('duration') is not None:
-            info_dict['duration_string'] = formatSeconds(info_dict['duration'])
-
-        for ts_key, date_key in (
-                ('timestamp', 'upload_date'),
-                ('release_timestamp', 'release_date'),
-                ('modified_timestamp', 'modified_date'),
-        ):
-            if info_dict.get(date_key) is None and info_dict.get(ts_key) is not None:
-                # Working around out-of-range timestamp values (e.g. negative ones on Windows,
-                # see http://bugs.python.org/issue1646728)
-                try:
-                    upload_date = datetime.datetime.utcfromtimestamp(info_dict[ts_key])
-                    info_dict[date_key] = upload_date.strftime('%Y%m%d')
-                except (ValueError, OverflowError, OSError):
-                    pass
-
-        live_keys = ('is_live', 'was_live')
-        live_status = info_dict.get('live_status')
-        if live_status is None:
-            for key in live_keys:
-                if info_dict.get(key) is False:
-                    continue
-                if info_dict.get(key):
-                    live_status = key
-                break
-            if all(info_dict.get(key) is False for key in live_keys):
-                live_status = 'not_live'
-        if live_status:
-            info_dict['live_status'] = live_status
-            for key in live_keys:
-                if info_dict.get(key) is None:
-                    info_dict[key] = (live_status == key)
-
-        # Auto generate title fields corresponding to the *_number fields when missing
-        # in order to always have clean titles. This is very common for TV series.
-        for field in ('chapter', 'season', 'episode'):
-            if info_dict.get('%s_number' % field) is not None and not info_dict.get(field):
-                info_dict[field] = '%s %d' % (field.capitalize(), info_dict['%s_number' % field])
+        self._fill_common_fields(info_dict)
 
         for cc_kind in ('subtitles', 'automatic_captions'):
             cc = info_dict.get(cc_kind)
@@ -2395,14 +2446,14 @@ def sanitize_numeric_fields(info):
         if not self.params.get('allow_unplayable_formats'):
             formats = [f for f in formats if not f.get('has_drm')]
 
-        # backward compatibility
-        info_dict['fulltitle'] = info_dict['title']
-
-        if info_dict.get('is_live'):
-            get_from_start = bool(self.params.get('live_from_start'))
+        get_from_start = not info_dict.get('is_live') or bool(self.params.get('live_from_start'))
+        if not get_from_start:
+            info_dict['title'] += ' ' + datetime.datetime.now().strftime('%Y-%m-%d %H:%M')
+        if info_dict.get('is_live') and formats:
             formats = [f for f in formats if bool(f.get('is_from_start')) == get_from_start]
-            if not get_from_start:
-                info_dict['title'] += ' ' + datetime.datetime.now().strftime('%Y-%m-%d %H:%M')
+            if get_from_start and not formats:
+                self.raise_no_formats(info_dict, msg='--live-from-start is passed, but there are no formats that can be downloaded from the start. '
+                                                     'If you want to download from the current time, pass --no-live-from-start')
 
         if not formats:
             self.raise_no_formats(info_dict)
@@ -2478,8 +2529,6 @@ def is_wellformed(f):
         if '__x_forwarded_for_ip' in info_dict:
             del info_dict['__x_forwarded_for_ip']
 
-        # TODO Central sorting goes here
-
         if self.params.get('check_formats') is True:
             formats = LazyList(self._check_formats(formats[::-1]), reverse=True)
 
@@ -2492,6 +2541,12 @@ def is_wellformed(f):
 
         info_dict, _ = self.pre_process(info_dict)
 
+        if self._match_entry(info_dict) is not None:
+            return info_dict
+
+        self.post_extract(info_dict)
+        info_dict, _ = self.pre_process(info_dict, 'after_filter')
+
         # The pre-processors may have modified the formats
         formats = info_dict.get('formats', [info_dict])
 
@@ -2576,15 +2631,12 @@ def is_wellformed(f):
                     + ', '.join([f['format_id'] for f in formats_to_download]))
             max_downloads_reached = False
             for i, fmt in enumerate(formats_to_download):
-                formats_to_download[i] = new_info = dict(info_dict)
-                # Save a reference to the original info_dict so that it can be modified in process_info if needed
+                formats_to_download[i] = new_info = self._copy_infodict(info_dict)
                 new_info.update(fmt)
-                new_info['__original_infodict'] = info_dict
                 try:
                     self.process_info(new_info)
                 except MaxDownloadsReached:
                     max_downloads_reached = True
-                new_info.pop('__original_infodict')
                 # Remove copied info
                 for key, val in tuple(new_info.items()):
                     if info_dict.get(key) == val:
@@ -2629,12 +2681,15 @@ def process_subtitles(self, video_id, normal_subtitles, automatic_captions):
             # given in subtitleslangs. See https://github.com/yt-dlp/yt-dlp/issues/1041
             requested_langs = []
             for lang_re in self.params.get('subtitleslangs'):
-                if lang_re == 'all':
-                    requested_langs.extend(all_sub_langs)
-                    continue
                 discard = lang_re[0] == '-'
                 if discard:
                     lang_re = lang_re[1:]
+                if lang_re == 'all':
+                    if discard:
+                        requested_langs = []
+                    else:
+                        requested_langs.extend(all_sub_langs)
+                    continue
                 current_langs = filter(re.compile(lang_re + '$').match, all_sub_langs)
                 if discard:
                     for lang in current_langs:
@@ -2674,19 +2729,33 @@ def process_subtitles(self, video_id, normal_subtitles, automatic_captions):
             subs[lang] = f
         return subs
 
-    def _forceprint(self, tmpl, info_dict):
-        mobj = re.match(r'\w+(=?)$', tmpl)
-        if mobj and mobj.group(1):
-            tmpl = f'{tmpl[:-1]} = %({tmpl[:-1]})s'
-        elif mobj:
-            tmpl = '%({})s'.format(tmpl)
+    def _forceprint(self, key, info_dict):
+        if info_dict is None:
+            return
+        info_copy = info_dict.copy()
+        info_copy['formats_table'] = self.render_formats_table(info_dict)
+        info_copy['thumbnails_table'] = self.render_thumbnails_table(info_dict)
+        info_copy['subtitles_table'] = self.render_subtitles_table(info_dict.get('id'), info_dict.get('subtitles'))
+        info_copy['automatic_captions_table'] = self.render_subtitles_table(info_dict.get('id'), info_dict.get('automatic_captions'))
+
+        def format_tmpl(tmpl):
+            mobj = re.match(r'\w+(=?)$', tmpl)
+            if mobj and mobj.group(1):
+                return f'{tmpl[:-1]} = %({tmpl[:-1]})r'
+            elif mobj:
+                return f'%({tmpl})s'
+            return tmpl
+
+        for tmpl in self.params['forceprint'].get(key, []):
+            self.to_stdout(self.evaluate_outtmpl(format_tmpl(tmpl), info_copy))
 
-        info_dict = info_dict.copy()
-        info_dict['formats_table'] = self.render_formats_table(info_dict)
-        info_dict['thumbnails_table'] = self.render_thumbnails_table(info_dict)
-        info_dict['subtitles_table'] = self.render_subtitles_table(info_dict.get('id'), info_dict.get('subtitles'))
-        info_dict['automatic_captions_table'] = self.render_subtitles_table(info_dict.get('id'), info_dict.get('automatic_captions'))
-        self.to_stdout(self.evaluate_outtmpl(tmpl, info_dict))
+        for tmpl, file_tmpl in self.params['print_to_file'].get(key, []):
+            filename = self.evaluate_outtmpl(file_tmpl, info_dict)
+            tmpl = format_tmpl(tmpl)
+            self.to_screen(f'[info] Writing {tmpl!r} to: {filename}')
+            if self._ensure_dir_exists(filename):
+                with io.open(filename, 'a', encoding='utf-8') as f:
+                    f.write(self.evaluate_outtmpl(tmpl, info_copy) + '\n')
 
     def __forced_printings(self, info_dict, filename, incomplete):
         def print_mandatory(field, actual_field=None):
@@ -2707,13 +2776,14 @@ def print_optional(field):
         if info_dict.get('requested_formats') is not None:
             # For RTMP URLs, also include the playpath
             info_dict['urls'] = '\n'.join(f['url'] + f.get('play_path', '') for f in info_dict['requested_formats'])
-        elif 'url' in info_dict:
+        elif info_dict.get('url'):
             info_dict['urls'] = info_dict['url'] + info_dict.get('play_path', '')
 
-        if self.params['forceprint'].get('video') or self.params.get('forcejson'):
+        if (self.params.get('forcejson')
+                or self.params['forceprint'].get('video')
+                or self.params['print_to_file'].get('video')):
             self.post_extract(info_dict)
-        for tmpl in self.params['forceprint'].get('video', []):
-            self._forceprint(tmpl, info_dict)
+        self._forceprint('video', info_dict)
 
         print_mandatory('title')
         print_mandatory('id')
@@ -2751,7 +2821,9 @@ def dl(self, name, info, subtitle=False, test=False):
         if not test:
             for ph in self._progress_hooks:
                 fd.add_progress_hook(ph)
-            urls = '", "'.join([f['url'] for f in info.get('requested_formats', [])] or [info['url']])
+            urls = '", "'.join(
+                (f['url'].split(',')[0] + ',<data>' if f['url'].startswith('data:') else f['url'])
+                for f in info.get('requested_formats', []) or [info])
             self.write_debug('Invoking downloader on "%s"' % urls)
 
         # Note: Ideally info should be a deep-copied so that hooks cannot modify it.
@@ -2772,7 +2844,7 @@ def existing_file(self, filepaths, *, default_overwrite=True):
         return None
 
     def process_info(self, info_dict):
-        """Process a single resolved IE result. (Modified it in-place)"""
+        """Process a single resolved IE result. (Modifies it in-place)"""
 
         assert info_dict.get('_type', 'video') == 'video'
         original_infodict = info_dict
@@ -2780,10 +2852,13 @@ def process_info(self, info_dict):
         if 'format' not in info_dict and 'ext' in info_dict:
             info_dict['format'] = info_dict['ext']
 
+        # This is mostly just for backward compatibility of process_info
+        # As a side-effect, this allows for format-specific filters
         if self._match_entry(info_dict) is not None:
             info_dict['__write_download_archive'] = 'ignore'
             return
 
+        # Does nothing under normal operation - for backward compatibility of process_info
         self.post_extract(info_dict)
         self._num_downloads += 1
 
@@ -2854,9 +2929,11 @@ def process_info(self, info_dict):
 
         # Write internet shortcut files
         def _write_link_file(link_type):
-            if 'webpage_url' not in info_dict:
-                self.report_error('Cannot write internet shortcut file because the "webpage_url" field is missing in the media information')
-                return False
+            url = try_get(info_dict['webpage_url'], iri_to_uri)
+            if not url:
+                self.report_warning(
+                    f'Cannot write internet shortcut file because the actual URL of "{info_dict["webpage_url"]}" is unknown')
+                return True
             linkfn = replace_extension(self.prepare_filename(info_dict, 'link'), link_type, info_dict.get('ext'))
             if not self._ensure_dir_exists(encodeFilename(linkfn)):
                 return False
@@ -2867,7 +2944,7 @@ def _write_link_file(link_type):
                 self.to_screen(f'[info] Writing internet shortcut (.{link_type}) to: {linkfn}')
                 with io.open(encodeFilename(to_high_limit_path(linkfn)), 'w', encoding='utf-8',
                              newline='\r\n' if link_type == 'url' else '\n') as linkfile:
-                    template_vars = {'url': iri_to_uri(info_dict['webpage_url'])}
+                    template_vars = {'url': url}
                     if link_type == 'desktop':
                         template_vars['filename'] = linkfn[:-(len(link_type) + 1)]
                     linkfile.write(LINK_TEMPLATES[link_type] % template_vars)
@@ -3002,9 +3079,11 @@ def correct_ext(filename, ext=new_ext):
                                 'while also allowing unplayable formats to be downloaded. '
                                 'The formats won\'t be merged to prevent data corruption.')
                         elif not merger.available:
-                            self.report_warning(
-                                'You have requested merging of multiple formats but ffmpeg is not installed. '
-                                'The formats won\'t be merged.')
+                            msg = 'You have requested merging of multiple formats but ffmpeg is not installed'
+                            if not self.params.get('ignoreerrors'):
+                                self.report_error(f'{msg}. Aborting due to --abort-on-error')
+                                return
+                            self.report_warning(f'{msg}. The formats won\'t be merged')
 
                         if temp_filename == '-':
                             reason = ('using a downloader other than ffmpeg' if FFmpegFD.can_merge_formats(info_dict, self.params)
@@ -3200,17 +3279,15 @@ def sanitize_info(info_dict, remove_private_keys=False):
         if info_dict is None:
             return info_dict
         info_dict.setdefault('epoch', int(time.time()))
-        remove_keys = {'__original_infodict'}  # Always remove this since this may contain a copy of the entire dict
-        keep_keys = ['_type']  # Always keep this to facilitate load-info-json
+        info_dict.setdefault('_type', 'video')
+
         if remove_private_keys:
-            remove_keys |= {
+            reject = lambda k, v: v is None or (k.startswith('_') and k != '_type') or k in {
                 'requested_downloads', 'requested_formats', 'requested_subtitles', 'requested_entries',
                 'entries', 'filepath', 'infojson_filename', 'original_url', 'playlist_autonumber',
             }
-            reject = lambda k, v: k not in keep_keys and (
-                k.startswith('_') or k in remove_keys or v is None)
         else:
-            reject = lambda k, v: k in remove_keys
+            reject = lambda k, v: False
 
         def filter_fn(obj):
             if isinstance(obj, dict):
@@ -3237,14 +3314,8 @@ def actual_post_extract(info_dict):
                     actual_post_extract(video_dict or {})
                 return
 
-            post_extractor = info_dict.get('__post_extractor') or (lambda: {})
-            extra = post_extractor().items()
-            info_dict.update(extra)
-            info_dict.pop('__post_extractor', None)
-
-            original_infodict = info_dict.get('__original_infodict') or {}
-            original_infodict.update(extra)
-            original_infodict.pop('__post_extractor', None)
+            post_extractor = info_dict.pop('__post_extractor', None) or (lambda: {})
+            info_dict.update(post_extractor())
 
         actual_post_extract(info_dict or {})
 
@@ -3278,8 +3349,7 @@ def run_pp(self, pp, infodict):
         return infodict
 
     def run_all_pps(self, key, info, *, additional_pps=None):
-        for tmpl in self.params['forceprint'].get(key, []):
-            self._forceprint(tmpl, info)
+        self._forceprint(key, info)
         for pp in (additional_pps or []) + self._pps[key]:
             info = self.run_pp(pp, info)
         return info
@@ -3474,12 +3544,12 @@ def render_formats_table(self, info_dict):
             delim=self._format_screen('\u2500', self.Styles.DELIM, '-', test_encoding=True))
 
     def render_thumbnails_table(self, info_dict):
-        thumbnails = list(info_dict.get('thumbnails'))
+        thumbnails = list(info_dict.get('thumbnails') or [])
         if not thumbnails:
             return None
         return render_table(
             self._list_format_headers('ID', 'Width', 'Height', 'URL'),
-            [[t['id'], t.get('width', 'unknown'), t.get('height', 'unknown'), t['url']] for t in thumbnails])
+            [[t.get('id'), t.get('width', 'unknown'), t.get('height', 'unknown'), t['url']] for t in thumbnails])
 
     def render_subtitles_table(self, video_id, subtitles):
         def _row(lang, formats):
@@ -3523,7 +3593,7 @@ def print_debug_header(self):
             return
 
         def get_encoding(stream):
-            ret = getattr(stream, 'encoding', 'missing (%s)' % type(stream).__name__)
+            ret = str(getattr(stream, 'encoding', 'missing (%s)' % type(stream).__name__))
             if not supports_terminal_sequences(stream):
                 from .compat import WINDOWS_VT_MODE
                 ret += ' (No VT)' if WINDOWS_VT_MODE is False else ' (No ANSI)'
@@ -3532,7 +3602,7 @@ def get_encoding(stream):
         encoding_str = 'Encodings: locale %s, fs %s, out %s, err %s, pref %s' % (
             locale.getpreferredencoding(),
             sys.getfilesystemencoding(),
-            get_encoding(self._screen_file), get_encoding(self._err_file),
+            get_encoding(self._out_files['screen']), get_encoding(self._out_files['error']),
             self.get_encoding())
 
         logger = self.params.get('logger')
@@ -3606,6 +3676,8 @@ def python_implementation():
         from .cookies import SQLITE_AVAILABLE, SECRETSTORAGE_AVAILABLE
 
         lib_str = join_nonempty(
+            compat_brotli and compat_brotli.__name__,
+            has_certifi and 'certifi',
             compat_pycrypto_AES and compat_pycrypto_AES.__name__.split('.')[0],
             SECRETSTORAGE_AVAILABLE and 'secretstorage',
             has_mutagen and 'mutagen',
@@ -3821,7 +3893,7 @@ def _write_thumbnails(self, label, info_dict, filename, thumb_filename_base=None
             else:
                 self.to_screen(f'[info] Downloading {thumb_display_id} ...')
                 try:
-                    uf = self.urlopen(t['url'])
+                    uf = self.urlopen(sanitized_Request(t['url'], headers=t.get('http_headers', {})))
                     self.to_screen(f'[info] Writing {thumb_display_id} to: {thumb_filename}')
                     with open(encodeFilename(thumb_filename), 'wb') as thumbf:
                         shutil.copyfileobj(uf, thumbf)