mirror of
https://github.com/shadoll/moma.git
synced 2026-08-28 11:33:25 +00:00
407 lines
21 KiB
Python
407 lines
21 KiB
Python
import re
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from pathlib import Path
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from collections import Counter
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from ..constants import SOURCE_DICT, FRAME_CLASSES, MOVIE_DB_DICT
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import langcodes
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class FilenameExtractor:
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"""Class to extract information from filename"""
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def __init__(self, file_path: Path):
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self.file_path = file_path
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self.file_name = file_path.name
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def _get_frame_class_from_height(self, height: int) -> str:
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"""Get frame class from video height using FRAME_CLASSES constant"""
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for frame_class, info in FRAME_CLASSES.items():
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if height == info['nominal_height']:
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return frame_class
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return 'Unclassified'
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def extract_title(self) -> str | None:
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"""Extract movie title from filename"""
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# Find positions of year, source, and quality brackets
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year_pos = -1
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source_pos = -1
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quality_pos = -1
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paren_match = None
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dot_match = None
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# Find year position (either (YYYY) or .YYYY.)
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paren_match = re.search(r'\((\d{4})\)', self.file_name)
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if paren_match:
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year_pos = paren_match.start()
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else:
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dot_match = re.search(r'\.(\d{4})\.', self.file_name)
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if dot_match:
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year_pos = dot_match.start()
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# Find source position
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source = self.extract_source()
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if source:
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for alias in SOURCE_DICT[source]:
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match = re.search(r'\b' + re.escape(alias) + r'\b', self.file_name, re.IGNORECASE)
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if match:
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source_pos = match.start()
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break
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# Find quality bracket position (like [720p,ukr,eng])
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quality_match = re.search(r'\[[^\]]*(?:720p|1080p|2160p|480p|SD|HD|HDR)[^\]]*\]', self.file_name)
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if quality_match:
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quality_pos = quality_match.start()
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# Find the earliest position that's not at the beginning
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positions = [pos for pos in [year_pos, source_pos, quality_pos] if pos > 0]
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cut_pos = min(positions) if positions else -1
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# Extract title (everything before the cut position)
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if cut_pos > 0:
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title = self.file_name[:cut_pos].strip()
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else:
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# No delimiters found after position 0, take everything before the last dot
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title = self.file_name.rsplit('.', 1)[0].strip()
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# If year is at the beginning, remove it
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if year_pos == 0:
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if paren_match and paren_match.start() == 0:
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title = re.sub(r'^\(\d{4}\)\s*', '', title)
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elif dot_match and dot_match.start() == 0:
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title = re.sub(r'^\.\d{4}\.\s*', '', title)
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# Remove common prefixes that are not part of the title
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# Remove bracketed prefixes like [01.1], [1], etc.
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title = re.sub(r'^\s*\[[^\]]+\]\s*', '', title)
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# Clean up title: remove leading/trailing brackets and dots
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title = title.strip('[](). ')
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# Replace colons with periods in the title
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title = title.replace(':', '.')
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return title if title else None
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def extract_year(self) -> str | None:
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"""Extract year from filename"""
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# First try to find year in parentheses (most common and reliable)
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paren_match = re.search(r'\((\d{4})\)', self.file_name)
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if paren_match:
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return paren_match.group(1)
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# Fallback: look for year in dots (like .1971.)
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dot_match = re.search(r'\.(\d{4})\.', self.file_name)
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if dot_match:
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return dot_match.group(1)
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# Last resort: any 4-digit number (but this is less reliable)
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any_match = re.search(r'\b(\d{4})\b', self.file_name)
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if any_match:
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year = any_match.group(1)
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# Basic sanity check: years should be between 1900 and current year + a few years
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current_year = 2025 # Update this as needed
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if 1900 <= int(year) <= current_year + 10:
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return year
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return None
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def extract_source(self) -> str | None:
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"""Extract video source from filename"""
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temp_name = re.sub(r'\s*\(\d{4}\)\s*|\s*\d{4}\s*|\.\d{4}\.', ' ', self.file_name)
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for src, aliases in SOURCE_DICT.items():
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for alias in aliases:
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if alias.upper() in temp_name.upper():
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return src
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return None
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def extract_frame_class(self) -> str | None:
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"""Extract frame class from filename (480p, 720p, 1080p, 2160p, etc.)"""
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# First check for specific numeric resolutions
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match = re.search(r'(\d{3,4})[pi]', self.file_name, re.IGNORECASE)
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if match:
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height = int(match.group(1))
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return self._get_frame_class_from_height(height)
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# If no specific resolution found, check for quality indicators
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unclassified_indicators = ['SD', 'LQ', 'HD', 'QHD']
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for indicator in unclassified_indicators:
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if re.search(r'\b' + re.escape(indicator) + r'\b', self.file_name, re.IGNORECASE):
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return 'Unclassified'
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return 'Unclassified'
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def extract_hdr(self) -> str | None:
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"""Extract HDR information from filename"""
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# Check for SDR first - indicates no HDR
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if re.search(r'\bSDR\b', self.file_name, re.IGNORECASE):
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return None
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# Check for HDR, but not NoHDR
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if re.search(r'\bHDR\b', self.file_name, re.IGNORECASE) and not re.search(r'\bNoHDR\b', self.file_name, re.IGNORECASE):
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return 'HDR'
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return None
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def extract_movie_db(self) -> tuple[str, str] | None:
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"""Extract movie database identifier from filename"""
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# Look for patterns at the end of filename in brackets or braces
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# Patterns: [tmdbid-123] {imdb-tt123} [imdbid-tt123] etc.
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# Match patterns like [tmdbid-123456] or {imdb-tt1234567}
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pattern = r'[\[\{]([a-zA-Z]+(?:id)?)[-\s]*([a-zA-Z0-9]+)[\]\}]'
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matches = re.findall(pattern, self.file_name)
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if matches:
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# Take the last match (closest to end of filename)
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db_type, db_id = matches[-1]
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# Normalize database type
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db_type_lower = db_type.lower()
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for db_key, db_info in MOVIE_DB_DICT.items():
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if any(db_type_lower.startswith(pattern.rstrip('-')) for pattern in db_info['patterns']):
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return (db_key, db_id)
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return None
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def extract_audio_langs(self) -> str:
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"""Extract audio languages from filename"""
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# Look for language patterns in brackets and outside brackets
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# Skip subtitle indicators and focus on audio languages
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langs = []
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# First, look for languages inside brackets
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bracket_pattern = r'\[([^\]]+)\]'
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brackets = re.findall(bracket_pattern, self.file_name)
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for bracket in brackets:
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bracket_lower = bracket.lower()
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# Skip brackets that contain movie database patterns
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if any(db in bracket_lower for db in ['imdb', 'tmdb', 'tvdb']):
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continue
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# Parse items separated by commas or underscores
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items = re.split(r'[,_]', bracket)
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items = [item.strip() for item in items]
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for item in items:
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# Skip empty items or items that are clearly not languages
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if not item or len(item) < 2:
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continue
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item_lower = item.lower()
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# Skip subtitle indicators
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if item_lower in ['sub', 'subs', 'subtitle']:
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continue
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# Check if item contains language codes (2-3 letter codes)
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# Pattern: optional number + optional 'x' + language code
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# Allow the language code to be at the end of the item
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lang_match = re.search(r'(?:(\d+)x?)?([a-z]{2,3})$', item_lower)
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if lang_match:
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count = int(lang_match.group(1)) if lang_match.group(1) else 1
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lang_code = lang_match.group(2)
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# Skip if it's a quality/resolution indicator
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if lang_code in ['sd', 'hd', 'lq', 'qhd', 'uhd', 'p', 'i', 'hdr', 'sdr']:
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continue
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# Skip if the language code is not at the end or if there are extra letters after
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# But allow prefixes like numbers and 'x'
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prefix = item_lower[:-len(lang_code)]
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if not re.match(r'^(?:\d+x?)?$', prefix):
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continue
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# Convert to 3-letter ISO code
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try:
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lang_obj = langcodes.Language.get(lang_code)
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iso3_code = lang_obj.to_alpha3()
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langs.extend([iso3_code] * count)
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except:
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# Skip invalid language codes
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pass
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# Second, look for standalone language codes outside brackets
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# Remove bracketed content first
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text_without_brackets = re.sub(r'\[([^\]]+)\]', '', self.file_name)
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# Known language codes (2-3 letter ISO 639-1 or 639-3)
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known_language_codes = {
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'eng', 'ukr', 'rus', 'fra', 'deu', 'spa', 'ita', 'por', 'nor', 'swe', 'dan', 'fin', 'pol', 'cze', 'hun', 'tur', 'ara', 'heb', 'hin', 'jpn', 'kor', 'chi', 'tha', 'vie', 'und',
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'dut', 'nld', 'bel', 'bul', 'hrv', 'ces', 'dan', 'nld', 'est', 'fin', 'fra', 'deu', 'ell', 'heb', 'hin', 'hrv', 'hun', 'ind', 'ita', 'jpn', 'kor', 'lav', 'lit', 'mkd', 'nor', 'pol', 'por', 'ron', 'rus', 'slk', 'slv', 'spa', 'srp', 'swe', 'tha', 'tur', 'ukr', 'vie', 'und', 'zho',
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'arb', 'ben', 'hin', 'mar', 'tam', 'tel', 'urd', 'guj', 'kan', 'mal', 'ori', 'pan', 'asm', 'mai', 'bho', 'nep', 'sin', 'san', 'tib', 'mon', 'kaz', 'uzb', 'kir', 'tuk', 'aze', 'kat', 'hye', 'geo', 'ell', 'sqi', 'bos', 'hrv', 'srp', 'slv', 'mkd', 'bul', 'alb', 'ron', 'mol', 'hun',
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'fin', 'swe', 'nor', 'dan', 'isl', 'fao', 'est', 'lav', 'lit', 'bel', 'ukr', 'rus', 'pol', 'cze', 'slk', 'slv', 'hrv', 'bos', 'srp', 'mkd', 'bul', 'ell', 'alb', 'ron', 'hun', 'tur', 'aze', 'geo', 'arm', 'kat', 'hye', 'per', 'kur', 'pus', 'urd', 'ara', 'heb', 'san', 'hin', 'ben', 'tam', 'tel', 'mar', 'guj', 'kan', 'mal', 'ori', 'pan', 'asm', 'mai', 'bho', 'awa', 'mag', 'nep', 'sin', 'div', 'tib', 'mon', 'kaz', 'kir', 'tuk', 'uzb', 'jpn', 'kor', 'chi', 'tha', 'vie', 'und', 'lao', 'khm', 'mya', 'vie', 'und', 'ind', 'msa', 'zho', 'yue', 'wuu', 'nan', 'hak', 'gan', 'hsn',
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'spa', 'por', 'fra', 'ita', 'deu', 'nld', 'dut', 'swe', 'nor', 'dan', 'fin', 'est', 'lav', 'lit', 'pol', 'cze', 'slk', 'slv', 'hrv', 'bos', 'srp', 'mkd', 'bul', 'ell', 'alb', 'ron', 'hun', 'tur', 'aze', 'geo', 'arm', 'kat', 'hye', 'per', 'kur', 'pus', 'urd', 'ara', 'heb', 'san', 'hin', 'ben', 'tam', 'tel', 'mar', 'guj', 'kan', 'mal', 'ori', 'pan', 'asm', 'mai', 'bho', 'awa', 'mag', 'nep', 'sin', 'div', 'tib', 'mon', 'kaz', 'kir', 'tuk', 'uzb', 'jpn', 'kor', 'chi', 'tha', 'vie', 'und', 'lao', 'khm', 'mya', 'vie', 'und', 'ind', 'msa', 'zho', 'yue', 'wuu', 'nan', 'hak', 'gan', 'hsn'
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}
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allowed_title_case = {'ukr', 'nor', 'eng', 'rus', 'fra', 'deu', 'spa', 'ita', 'por', 'swe', 'dan', 'fin', 'pol', 'cze', 'hun', 'tur', 'ara', 'heb', 'hin', 'jpn', 'kor', 'chi', 'tha', 'vie', 'und'}
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# Look for language codes in various formats:
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# - Uppercase: ENG, UKR, NOR
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# - Title case: Ukr, Nor, Eng
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# - Lowercase: ukr, nor, eng
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# - In dot-separated parts: .ukr. .eng.
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# Split on dots, spaces, and underscores
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parts = re.split(r'[.\s_]+', text_without_brackets)
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for part in parts:
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part = part.strip()
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if not part or len(part) < 2:
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continue
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part_lower = part.lower()
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# Check if this part is a 2-3 letter language code
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if re.match(r'^[a-zA-Z]{2,3}$', part):
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# Skip title case 2-letter words to avoid false positives like "In" -> "ind"
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if part.istitle() and len(part) == 2:
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continue
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if part.istitle() and part_lower not in allowed_title_case:
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continue
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skip_words = [
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'the', 'and', 'for', 'are', 'but', 'not', 'you', 'all', 'can', 'had', 'her', 'was', 'one', 'our', 'out', 'day', 'get', 'has', 'him', 'his', 'how', 'its', 'may', 'new', 'now', 'old', 'see', 'two', 'way', 'who', 'boy', 'did', 'has', 'let', 'put', 'say', 'she', 'too', 'use',
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'avi', 'mkv', 'mp4', 'mpg', 'mov', 'wmv', 'flv', 'webm', 'm4v', 'm2ts', 'ts', 'vob', 'iso', 'img',
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'sd', 'hd', 'lq', 'qhd', 'uhd', 'p', 'i', 'hdr', 'sdr', '4k', '8k', '2160p', '1080p', '720p', '480p', '360p', '240p', '144p',
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'web', 'dl', 'rip', 'bluray', 'dvd', 'hdtv', 'bdrip', 'dvdrip', 'xvid', 'divx', 'h264', 'h265', 'x264', 'x265', 'hevc', 'avc',
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'ma', 'atmos', 'dts', 'aac', 'ac3', 'mp3', 'flac', 'wav', 'wma', 'ogg', 'opus'
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]
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if part_lower not in skip_words and part_lower in known_language_codes:
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lang_code = part_lower
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# Convert to 3-letter ISO code
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try:
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lang_obj = langcodes.Language.get(lang_code)
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iso3_code = lang_obj.to_alpha3()
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langs.append(iso3_code)
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except:
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# Skip invalid language codes
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pass
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if not langs:
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return ''
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# Count occurrences and format like mediainfo: "2ukr,eng"
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lang_counts = Counter(langs)
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audio_langs = [f"{count}{lang}" if count > 1 else lang for lang, count in lang_counts.items()]
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return ','.join(sorted(audio_langs))
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def extract_audio_tracks(self) -> list[dict]:
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"""Extract audio track data from filename (simplified version with only language)"""
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# Similar to extract_audio_langs but returns list of dicts
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tracks = []
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# First, look for languages inside brackets
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bracket_pattern = r'\[([^\]]+)\]'
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brackets = re.findall(bracket_pattern, self.file_name)
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for bracket in brackets:
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bracket_lower = bracket.lower()
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# Skip brackets that contain movie database patterns
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if any(db in bracket_lower for db in ['imdb', 'tmdb', 'tvdb']):
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continue
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# Parse items separated by commas or underscores
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items = re.split(r'[,_]', bracket)
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items = [item.strip() for item in items]
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for item in items:
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# Skip empty items or items that are clearly not languages
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if not item or len(item) < 2:
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continue
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item_lower = item.lower()
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# Skip subtitle indicators
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if item_lower in ['sub', 'subs', 'subtitle']:
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continue
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# Check if item contains language codes (2-3 letter codes)
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# Pattern: optional number + optional 'x' + language code
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# Allow the language code to be at the end of the item
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lang_match = re.search(r'(?:(\d+)x?)?([a-z]{2,3})$', item_lower)
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if lang_match:
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count = int(lang_match.group(1)) if lang_match.group(1) else 1
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lang_code = lang_match.group(2)
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# Skip if it's a quality/resolution indicator
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if lang_code in ['sd', 'hd', 'lq', 'qhd', 'uhd', 'p', 'i', 'hdr', 'sdr']:
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continue
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# Skip if the language code is not at the end or if there are extra letters after
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# But allow prefixes like numbers and 'x'
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prefix = item_lower[:-len(lang_code)]
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if not re.match(r'^(?:\d+x?)?$', prefix):
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continue
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# Convert to 3-letter ISO code
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try:
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lang_obj = langcodes.Language.get(lang_code)
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iso3_code = lang_obj.to_alpha3()
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tracks.append({'language': iso3_code})
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except:
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# Skip invalid language codes
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pass
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# Second, look for standalone language codes outside brackets
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# Remove bracketed content first
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text_without_brackets = re.sub(r'\[([^\]]+)\]', '', self.file_name)
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# Known language codes (2-3 letter ISO 639-1 or 639-3)
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known_language_codes = {
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'eng', 'ukr', 'rus', 'fra', 'deu', 'spa', 'ita', 'por', 'nor', 'swe', 'dan', 'fin', 'pol', 'cze', 'hun', 'tur', 'ara', 'heb', 'hin', 'jpn', 'kor', 'chi', 'tha', 'vie', 'und',
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'dut', 'nld', 'bel', 'bul', 'hrv', 'ces', 'dan', 'nld', 'est', 'fin', 'fra', 'deu', 'ell', 'heb', 'hin', 'hrv', 'hun', 'ind', 'ita', 'jpn', 'kor', 'lav', 'lit', 'mkd', 'nor', 'pol', 'por', 'ron', 'rus', 'slk', 'slv', 'spa', 'srp', 'swe', 'tha', 'tur', 'ukr', 'vie', 'und', 'zho',
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'arb', 'ben', 'hin', 'mar', 'tam', 'tel', 'urd', 'guj', 'kan', 'mal', 'ori', 'pan', 'asm', 'mai', 'bho', 'nep', 'sin', 'san', 'tib', 'mon', 'kaz', 'uzb', 'kir', 'tuk', 'aze', 'kat', 'hye', 'geo', 'ell', 'sqi', 'bos', 'hrv', 'srp', 'slv', 'mkd', 'bul', 'alb', 'ron', 'mol', 'hun',
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'fin', 'swe', 'nor', 'dan', 'isl', 'fao', 'est', 'lav', 'lit', 'bel', 'ukr', 'rus', 'pol', 'cze', 'slk', 'slv', 'hrv', 'bos', 'srp', 'mkd', 'bul', 'ell', 'alb', 'ron', 'hun', 'tur', 'aze', 'geo', 'arm', 'kat', 'hye', 'per', 'kur', 'pus', 'urd', 'ara', 'heb', 'san', 'hin', 'ben', 'tam', 'tel', 'mar', 'guj', 'kan', 'mal', 'ori', 'pan', 'asm', 'mai', 'bho', 'awa', 'mag', 'nep', 'sin', 'div', 'tib', 'mon', 'kaz', 'kir', 'tuk', 'uzb', 'jpn', 'kor', 'chi', 'tha', 'vie', 'und', 'lao', 'khm', 'mya', 'vie', 'und', 'ind', 'msa', 'zho', 'yue', 'wuu', 'nan', 'hak', 'gan', 'hsn',
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'spa', 'por', 'fra', 'ita', 'deu', 'nld', 'dut', 'swe', 'nor', 'dan', 'fin', 'est', 'lav', 'lit', 'pol', 'cze', 'slk', 'slv', 'hrv', 'bos', 'srp', 'mkd', 'bul', 'ell', 'alb', 'ron', 'hun', 'tur', 'aze', 'geo', 'arm', 'kat', 'hye', 'per', 'kur', 'pus', 'urd', 'ara', 'heb', 'san', 'hin', 'ben', 'tam', 'tel', 'mar', 'guj', 'kan', 'mal', 'ori', 'pan', 'asm', 'mai', 'bho', 'awa', 'mag', 'nep', 'sin', 'div', 'tib', 'mon', 'kaz', 'kir', 'tuk', 'uzb', 'jpn', 'kor', 'chi', 'tha', 'vie', 'und', 'lao', 'khm', 'mya', 'vie', 'und', 'ind', 'msa', 'zho', 'yue', 'wuu', 'nan', 'hak', 'gan', 'hsn'
|
|
}
|
|
allowed_title_case = {'ukr', 'nor', 'eng', 'rus', 'fra', 'deu', 'spa', 'ita', 'por', 'swe', 'dan', 'fin', 'pol', 'cze', 'hun', 'tur', 'ara', 'heb', 'hin', 'jpn', 'kor', 'chi', 'tha', 'vie', 'und'}
|
|
|
|
# Look for language codes in various formats:
|
|
# - Uppercase: ENG, UKR, NOR
|
|
# - Title case: Ukr, Nor, Eng
|
|
# - Lowercase: ukr, nor, eng
|
|
# - In dot-separated parts: .ukr. .eng.
|
|
|
|
# Split on dots, spaces, and underscores
|
|
parts = re.split(r'[.\s_]+', text_without_brackets)
|
|
|
|
for part in parts:
|
|
part = part.strip()
|
|
if not part or len(part) < 2:
|
|
continue
|
|
|
|
part_lower = part.lower()
|
|
|
|
# Check if this part is a 2-3 letter language code
|
|
if re.match(r'^[a-zA-Z]{2,3}$', part):
|
|
# Skip title case 2-letter words to avoid false positives like "In" -> "ind"
|
|
if part.istitle() and len(part) == 2:
|
|
continue
|
|
if part.istitle() and part_lower not in allowed_title_case:
|
|
continue
|
|
skip_words = [
|
|
'the', 'and', 'for', 'are', 'but', 'not', 'you', 'all', 'can', 'had', 'her', 'was', 'one', 'our', 'out', 'day', 'get', 'has', 'him', 'his', 'how', 'its', 'may', 'new', 'now', 'old', 'see', 'two', 'way', 'who', 'boy', 'did', 'has', 'let', 'put', 'say', 'she', 'too', 'use',
|
|
'avi', 'mkv', 'mp4', 'mpg', 'mov', 'wmv', 'flv', 'webm', 'm4v', 'm2ts', 'ts', 'vob', 'iso', 'img',
|
|
'sd', 'hd', 'lq', 'qhd', 'uhd', 'p', 'i', 'hdr', 'sdr', '4k', '8k', '2160p', '1080p', '720p', '480p', '360p', '240p', '144p',
|
|
'web', 'dl', 'rip', 'bluray', 'dvd', 'hdtv', 'bdrip', 'dvdrip', 'xvid', 'divx', 'h264', 'h265', 'x264', 'x265', 'hevc', 'avc',
|
|
'ma', 'atmos', 'dts', 'aac', 'ac3', 'mp3', 'flac', 'wav', 'wma', 'ogg', 'opus'
|
|
]
|
|
|
|
if part_lower not in skip_words and part_lower in known_language_codes:
|
|
lang_code = part_lower
|
|
|
|
# Convert to 3-letter ISO code
|
|
try:
|
|
lang_obj = langcodes.Language.get(lang_code)
|
|
iso3_code = lang_obj.to_alpha3()
|
|
tracks.append({'language': iso3_code})
|
|
except:
|
|
# Skip invalid language codes
|
|
pass
|
|
|
|
return tracks |