mirror of
https://github.com/spaam/svtplay-dl.git
synced 2024-11-28 06:04:17 +01:00
271 lines
10 KiB
Python
271 lines
10 KiB
Python
import logging
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import os
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import platform
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import re
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from json import dumps
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from random import sample
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from re import match
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from shutil import which
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from requests import codes
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from requests import post
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from requests import Timeout
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from svtplay_dl.utils.output import formatname
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from svtplay_dl.utils.proc import run_program
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class postprocess:
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def __init__(self, stream, config, subfixes=None):
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self.stream = stream
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self.config = config
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self.subfixes = subfixes
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self.detect = None
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for i in ["ffmpeg", "avconv"]:
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self.detect = which(i)
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if self.detect:
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break
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def remux(self):
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if self.detect is None:
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logging.error("Cant detect ffmpeg or avconv. Cant mux files without it.")
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return
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if self.stream.finished is False:
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return
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if formatname(self.stream.output, self.config, self.stream.output_extention).endswith(".mp4") is False:
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orig_filename = formatname(self.stream.output, self.config, self.stream.output_extention)
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name, ext = os.path.splitext(orig_filename)
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new_name = f"{name}.mp4"
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cmd = [self.detect, "-i", orig_filename]
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_, stdout, stderr = run_program(cmd, False) # return 1 is good here.
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streams = _streams(stderr)
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videotrack, audiotrack = _checktracks(streams)
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if self.config.get("merge_subtitle"):
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logging.info(f"Muxing {orig_filename} and merging its subtitle into {new_name}")
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else:
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logging.info(f"Muxing {orig_filename} into {new_name}")
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tempfile = f"{orig_filename}.temp"
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arguments = []
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if videotrack:
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arguments += ["-map", f"{videotrack}"]
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if audiotrack:
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arguments += ["-map", f"{audiotrack}"]
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arguments += ["-c", "copy", "-f", "mp4"]
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if ext == ".ts" and streams and "aac" in _getcodec(streams, audiotrack):
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arguments += ["-bsf:a", "aac_adtstoasc"]
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if self.config.get("merge_subtitle"):
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langs = _sublanguage(self.stream, self.config, self.subfixes)
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for stream_num, language in enumerate(langs):
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arguments += [
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"-map",
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str(stream_num + 1),
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"-c:s:" + str(stream_num),
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"mov_text",
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"-metadata:s:s:" + str(stream_num),
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"language=" + language,
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]
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if self.subfixes and len(self.subfixes) >= 2:
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for subfix in self.subfixes:
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subfile = "{}.srt".format(name + subfix)
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cmd += ["-i", subfile]
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else:
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subfile = f"{name}.srt"
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cmd += ["-i", subfile]
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arguments += ["-y", tempfile]
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cmd += arguments
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returncode, stdout, stderr = run_program(cmd)
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if returncode != 0:
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return
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if self.config.get("merge_subtitle") and not self.config.get("subtitle"):
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logging.info("Muxing done, removing the old files.")
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if self.subfixes and len(self.subfixes) >= 2:
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for subfix in self.subfixes:
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subfile = "{}.srt".format(name + subfix)
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os.remove(subfile)
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else:
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os.remove(subfile)
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else:
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logging.info("Muxing done, removing the old file.")
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os.remove(orig_filename)
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os.rename(tempfile, new_name)
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def merge(self):
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if self.detect is None:
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logging.error("Cant detect ffmpeg or avconv. Cant mux files without it.")
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return
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if self.stream.finished is False:
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return
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orig_filename = formatname(self.stream.output, self.config, self.stream.output_extention)
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name, ext = os.path.splitext(orig_filename)
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if ext == ".ts":
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audio_filename = f"{name}.audio.ts"
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else:
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audio_filename = f"{name}.m4a"
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cmd = [self.detect]
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if self.config.get("only_video") or not self.config.get("only_audio"):
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cmd += ["-i", orig_filename]
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if self.config.get("only_audio") or not self.config.get("only_video"):
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cmd += ["-i", audio_filename]
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_, stdout, stderr = run_program(cmd, False) # return 1 is good here.
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streams = _streams(stderr)
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videotrack, audiotrack = _checktracks(streams)
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if self.config.get("merge_subtitle"):
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logging.info(f"Merge audio, video and subtitle into {orig_filename}")
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else:
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logging.info(f"Merge audio and video into {orig_filename}")
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tempfile = f"{orig_filename}.temp"
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arguments = ["-c:v", "copy", "-c:a", "copy", "-f", "mp4"]
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if ext == ".ts":
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if audiotrack and "aac" in _getcodec(streams, audiotrack):
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arguments += ["-bsf:a", "aac_adtstoasc"]
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cmd = [self.detect]
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if self.config.get("only_video") or not self.config.get("only_audio"):
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cmd += ["-i", orig_filename]
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if self.config.get("only_audio") or not self.config.get("only_video"):
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cmd += ["-i", audio_filename]
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if videotrack:
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arguments += ["-map", f"{videotrack}"]
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if audiotrack:
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arguments += ["-map", f"{audiotrack}"]
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if self.config.get("merge_subtitle"):
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langs = _sublanguage(self.stream, self.config, self.subfixes)
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tracks = [x for x in [videotrack, audiotrack] if x]
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for stream_num, language in enumerate(langs, start=len(tracks)):
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arguments += [
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"-map",
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str(stream_num),
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"-c:s:" + str(stream_num - 2),
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"mov_text",
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"-metadata:s:s:" + str(stream_num - 2),
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"language=" + language,
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]
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if self.subfixes and len(self.subfixes) >= 2:
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for subfix in self.subfixes:
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subfile = "{}.srt".format(name + subfix)
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cmd += ["-i", subfile]
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else:
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subfile = f"{name}.srt"
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cmd += ["-i", subfile]
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arguments += ["-y", tempfile]
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cmd += arguments
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returncode, stdout, stderr = run_program(cmd)
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if returncode != 0:
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return
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logging.info("Merging done, removing old files.")
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if self.config.get("only_video") or not self.config.get("only_audio"):
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os.remove(orig_filename)
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if self.config.get("only_audio") or not self.config.get("only_video"):
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os.remove(audio_filename)
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if self.config.get("merge_subtitle") and not self.config.get("subtitle"):
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if self.subfixes and len(self.subfixes) >= 2:
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for subfix in self.subfixes:
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subfile = "{}.srt".format(name + subfix)
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os.remove(subfile)
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else:
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os.remove(subfile)
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os.rename(tempfile, orig_filename)
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def _streams(output):
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return re.findall(r"Stream \#(\d:\d)([\[\(][^\[]+[\]\)])?([\(\)\w]+)?: (Video|Audio): (.*)", output)
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def _getcodec(streams, number):
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for stream in streams:
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if stream[0] == number:
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return stream[4]
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return None
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def _checktracks(streams):
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videotrack = None
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audiotrack = None
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for stream in streams:
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if stream[3] == "Video":
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videotrack = stream[0]
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if stream[3] == "Audio":
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if stream[4] == "mp3, 0 channels":
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continue
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audiotrack = stream[0]
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return videotrack, audiotrack
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def _sublanguage(stream, config, subfixes):
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# parse() function partly borrowed from a guy on github. /thanks!
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# https://github.com/riobard/srt.py/blob/master/srt.py
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def parse(self):
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def parse_block(block):
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lines = block.strip("-").split("\n")
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txt = "\r\n".join(lines[2:])
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return txt
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if platform.system() == "Windows":
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fd = open(self, encoding="utf8")
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else:
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fd = open(self)
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return list(map(parse_block, fd.read().strip().replace("\r", "").split("\n\n")))
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def query(self):
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_ = parse(self)
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random_sentences = " ".join(sample(_, len(_) if len(_) < 8 else 8)).replace("\r\n", "")
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url = "https://whatlanguage.herokuapp.com"
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payload = {"query": random_sentences}
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# Note: requests handles json from version 2.4.2 and onwards so i use json.dumps for now.
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headers = {"content-type": "application/json"}
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try:
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# Note: reasonable timeout i guess? svtplay-dl is mainly used while multitasking i presume,
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# and it is heroku after all (fast enough)
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r = post(url, data=dumps(payload), headers=headers, timeout=30)
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if r.status_code == codes.ok:
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try:
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response = r.json()
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return response["language"]
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except TypeError:
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return "und"
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else:
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logging.error("Server error appeared. Setting language as undetermined.")
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return "und"
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except Timeout:
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logging.error("30 seconds server timeout reached. Setting language as undetermined.")
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return "und"
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langs = []
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exceptions = {"lulesamiska": "smj", "meankieli": "fit", "jiddisch": "yid"}
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if subfixes and len(subfixes) >= 2:
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logging.info("Determining the languages of the subtitles.")
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else:
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logging.info("Determining the language of the subtitle.")
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if config.get("get_all_subtitles"):
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for subfix in subfixes:
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if [exceptions[key] for key in exceptions.keys() if match(key, subfix.strip("-"))]:
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if "oversattning" in subfix.strip("-"):
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subfix = subfix.strip("-").split(".")[0]
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else:
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subfix = subfix.strip("-")
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langs += [exceptions[subfix]]
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continue
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subfile = "{}.srt".format(os.path.splitext(formatname(stream.output, config, stream.output_extention))[0] + subfix)
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langs += [query(subfile)]
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else:
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subfile = "{}.srt".format(os.path.splitext(formatname(stream.output, config, stream.output_extention))[0])
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langs += [query(subfile)]
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if len(langs) >= 2:
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logging.info("Language codes: " + ", ".join(langs))
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else:
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logging.info("Language code: " + langs[0])
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return langs
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