bazarr/libs/subliminal_patch/providers/utils.py

110 lines
3.4 KiB
Python

import io
import logging
import os
import zipfile
import rarfile
from guessit import guessit
from subliminal.subtitle import fix_line_ending
from subliminal_patch.core import Episode
from subliminal_patch.subtitle import guess_matches
from ._agent_list import FIRST_THOUSAND_OR_SO_USER_AGENTS
logger = logging.getLogger(__name__)
def _get_matching_sub(sub_names, forced=False, episode=None):
matching_sub = None
for sub_name in sub_names:
guess = guessit(sub_name, options={"single_value": True})
is_movie = not guess.get("episode") or not episode
if not forced and os.path.splitext(sub_name.lower())[0].endswith("forced"):
logger.debug("Ignoring forced subtitle: %s", sub_name)
continue
# If it's a movie then get the first subtitle
if is_movie:
logger.debug("Movie subtitle found: %s", sub_name)
matching_sub = sub_name
break
# Get episode info
guess_episode = guess.get("episode")
if guess_episode is None:
logger.debug("No episode info found in file: %s", sub_name)
continue
if episode == guess_episode:
logger.debug("Episode matched: %s", sub_name)
matching_sub = sub_name
break
logger.debug("Ignoring incorrect episode: %s", sub_name)
return matching_sub
def get_subtitle_from_archive(
archive, forced=False, episode=None, get_first_subtitle=False
):
"Get subtitle from Rarfile/Zipfile object. Return None if nothing is found."
subs_in_archive = [
name
for name in archive.namelist()
if name.endswith((".srt", ".sub", ".ssa", ".ass"))
]
if not subs_in_archive:
logger.info("No subtitles found in archive")
return None
logger.debug("Subtitles in archive: %s", subs_in_archive)
if len(subs_in_archive) == 1 or get_first_subtitle:
logger.debug("Getting first subtitle in archive: %s", subs_in_archive)
return fix_line_ending(archive.read(subs_in_archive[0]))
matching_sub = _get_matching_sub(subs_in_archive, forced, episode)
if matching_sub is not None:
logger.info("Using %s from archive", matching_sub)
return fix_line_ending(archive.read(matching_sub))
logger.debug("No subtitle found in archive")
return None
def get_archive_from_bytes(content: bytes):
"""Get RarFile/ZipFile object from bytes. Return None is something else
is found."""
# open the archive
archive_stream = io.BytesIO(content)
if rarfile.is_rarfile(archive_stream):
logger.debug("Identified rar archive")
return rarfile.RarFile(archive_stream)
elif zipfile.is_zipfile(archive_stream):
logger.debug("Identified zip archive")
return zipfile.ZipFile(archive_stream)
logger.debug("Unknown compression format")
return None
def update_matches(matches, video, release_info: str, **guessit_options):
"Update matches set from release info string. New lines are iterated."
guessit_options["type"] = "episode" if isinstance(video, Episode) else "movie"
logger.debug("Guessit options to update matches: %s", guessit_options)
for release in release_info.split("\n"):
logger.debug("Updating matches from release info: %s", release)
matches |= guess_matches(video, guessit(release.strip(), guessit_options))
logger.debug("New matches: %s", matches)
return matches