- def __init__(self, ie, field_preference):
- self._order = []
- self.ydl = ie._downloader
- self.evaluate_params(self.ydl.params, field_preference)
- if ie.get_param('verbose'):
- self.print_verbose_info(self.ydl.write_debug)
-
- def _get_field_setting(self, field, key):
- if field not in self.settings:
- if key in ('forced', 'priority'):
- return False
- self.ydl.deprecated_feature(f'Using arbitrary fields ({field}) for format sorting is '
- 'deprecated and may be removed in a future version')
- self.settings[field] = {}
- propObj = self.settings[field]
- if key not in propObj:
- type = propObj.get('type')
- if key == 'field':
- default = 'preference' if type == 'extractor' else (field,) if type in ('combined', 'multiple') else field
- elif key == 'convert':
- default = 'order' if type == 'ordered' else 'float_string' if field else 'ignore'
- else:
- default = {'type': 'field', 'visible': True, 'order': [], 'not_in_list': (None,)}.get(key, None)
- propObj[key] = default
- return propObj[key]
-
- def _resolve_field_value(self, field, value, convertNone=False):
- if value is None:
- if not convertNone:
- return None
- else:
- value = value.lower()
- conversion = self._get_field_setting(field, 'convert')
- if conversion == 'ignore':
- return None
- if conversion == 'string':
- return value
- elif conversion == 'float_none':
- return float_or_none(value)
- elif conversion == 'bytes':
- return FileDownloader.parse_bytes(value)
- elif conversion == 'order':
- order_list = (self._use_free_order and self._get_field_setting(field, 'order_free')) or self._get_field_setting(field, 'order')
- use_regex = self._get_field_setting(field, 'regex')
- list_length = len(order_list)
- empty_pos = order_list.index('') if '' in order_list else list_length + 1
- if use_regex and value is not None:
- for i, regex in enumerate(order_list):
- if regex and re.match(regex, value):
- return list_length - i
- return list_length - empty_pos # not in list
- else: # not regex or value = None
- return list_length - (order_list.index(value) if value in order_list else empty_pos)
- else:
- if value.isnumeric():
- return float(value)
- else:
- self.settings[field]['convert'] = 'string'
- return value
-
- def evaluate_params(self, params, sort_extractor):
- self._use_free_order = params.get('prefer_free_formats', False)
- self._sort_user = params.get('format_sort', [])
- self._sort_extractor = sort_extractor
-
- def add_item(field, reverse, closest, limit_text):
- field = field.lower()
- if field in self._order:
- return
- self._order.append(field)
- limit = self._resolve_field_value(field, limit_text)
- data = {
- 'reverse': reverse,
- 'closest': False if limit is None else closest,
- 'limit_text': limit_text,
- 'limit': limit}
- if field in self.settings:
- self.settings[field].update(data)
- else:
- self.settings[field] = data
-
- sort_list = (
- tuple(field for field in self.default if self._get_field_setting(field, 'forced'))
- + (tuple() if params.get('format_sort_force', False)
- else tuple(field for field in self.default if self._get_field_setting(field, 'priority')))
- + tuple(self._sort_user) + tuple(sort_extractor) + self.default)
-
- for item in sort_list:
- match = re.match(self.regex, item)
- if match is None:
- raise ExtractorError('Invalid format sort string "%s" given by extractor' % item)
- field = match.group('field')
- if field is None:
- continue
- if self._get_field_setting(field, 'type') == 'alias':
- alias, field = field, self._get_field_setting(field, 'field')
- if self._get_field_setting(alias, 'deprecated'):
- self.ydl.deprecated_feature(f'Format sorting alias {alias} is deprecated and may '
- f'be removed in a future version. Please use {field} instead')
- reverse = match.group('reverse') is not None
- closest = match.group('separator') == '~'
- limit_text = match.group('limit')
-
- has_limit = limit_text is not None
- has_multiple_fields = self._get_field_setting(field, 'type') == 'combined'
- has_multiple_limits = has_limit and has_multiple_fields and not self._get_field_setting(field, 'same_limit')
-
- fields = self._get_field_setting(field, 'field') if has_multiple_fields else (field,)
- limits = limit_text.split(':') if has_multiple_limits else (limit_text,) if has_limit else tuple()
- limit_count = len(limits)
- for (i, f) in enumerate(fields):
- add_item(f, reverse, closest,
- limits[i] if i < limit_count
- else limits[0] if has_limit and not has_multiple_limits
- else None)
-
- def print_verbose_info(self, write_debug):
- if self._sort_user:
- write_debug('Sort order given by user: %s' % ', '.join(self._sort_user))
- if self._sort_extractor:
- write_debug('Sort order given by extractor: %s' % ', '.join(self._sort_extractor))
- write_debug('Formats sorted by: %s' % ', '.join(['%s%s%s' % (
- '+' if self._get_field_setting(field, 'reverse') else '', field,
- '%s%s(%s)' % ('~' if self._get_field_setting(field, 'closest') else ':',
- self._get_field_setting(field, 'limit_text'),
- self._get_field_setting(field, 'limit'))
- if self._get_field_setting(field, 'limit_text') is not None else '')
- for field in self._order if self._get_field_setting(field, 'visible')]))
-
- def _calculate_field_preference_from_value(self, format, field, type, value):
- reverse = self._get_field_setting(field, 'reverse')
- closest = self._get_field_setting(field, 'closest')
- limit = self._get_field_setting(field, 'limit')
-
- if type == 'extractor':
- maximum = self._get_field_setting(field, 'max')
- if value is None or (maximum is not None and value >= maximum):
- value = -1
- elif type == 'boolean':
- in_list = self._get_field_setting(field, 'in_list')
- not_in_list = self._get_field_setting(field, 'not_in_list')
- value = 0 if ((in_list is None or value in in_list) and (not_in_list is None or value not in not_in_list)) else -1
- elif type == 'ordered':
- value = self._resolve_field_value(field, value, True)
-
- # try to convert to number
- val_num = float_or_none(value, default=self._get_field_setting(field, 'default'))
- is_num = self._get_field_setting(field, 'convert') != 'string' and val_num is not None
- if is_num:
- value = val_num
-
- return ((-10, 0) if value is None
- else (1, value, 0) if not is_num # if a field has mixed strings and numbers, strings are sorted higher
- else (0, -abs(value - limit), value - limit if reverse else limit - value) if closest
- else (0, value, 0) if not reverse and (limit is None or value <= limit)
- else (0, -value, 0) if limit is None or (reverse and value == limit) or value > limit
- else (-1, value, 0))
-
- def _calculate_field_preference(self, format, field):
- type = self._get_field_setting(field, 'type') # extractor, boolean, ordered, field, multiple
- get_value = lambda f: format.get(self._get_field_setting(f, 'field'))
- if type == 'multiple':
- type = 'field' # Only 'field' is allowed in multiple for now
- actual_fields = self._get_field_setting(field, 'field')
-
- value = self._get_field_setting(field, 'function')(get_value(f) for f in actual_fields)
- else:
- value = get_value(field)
- return self._calculate_field_preference_from_value(format, field, type, value)
-
- def calculate_preference(self, format):
- # Determine missing protocol
- if not format.get('protocol'):
- format['protocol'] = determine_protocol(format)
-
- # Determine missing ext
- if not format.get('ext') and 'url' in format:
- format['ext'] = determine_ext(format['url'])
- if format.get('vcodec') == 'none':
- format['audio_ext'] = format['ext'] if format.get('acodec') != 'none' else 'none'
- format['video_ext'] = 'none'
- else:
- format['video_ext'] = format['ext']
- format['audio_ext'] = 'none'
- # if format.get('preference') is None and format.get('ext') in ('f4f', 'f4m'): # Not supported?
- # format['preference'] = -1000
-
- # Determine missing bitrates
- if format.get('tbr') is None:
- if format.get('vbr') is not None and format.get('abr') is not None:
- format['tbr'] = format.get('vbr', 0) + format.get('abr', 0)
- else:
- if format.get('vcodec') != 'none' and format.get('vbr') is None:
- format['vbr'] = format.get('tbr') - format.get('abr', 0)
- if format.get('acodec') != 'none' and format.get('abr') is None:
- format['abr'] = format.get('tbr') - format.get('vbr', 0)
-
- return tuple(self._calculate_field_preference(format, field) for field in self._order)
projects / yt-dlp.git / blobdiff