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"""Main Subscleaner module."""
"""
Subscleaner.
Copyright (C) 2023 Roger Gonzalez
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
import os
import re
import sys
import time
import chardet
import pysrt
ADS = [
r".*nordvpn.*",
r".*a Card Shark AMERICASCARDROOM.*",
r".*OpenSubtitles.*",
r".*Advertise your product or brand here.*",
r".*Apóyanos y conviértete en miembro VIP Para.*",
r".*Addic7ed.*",
r".*argenteam.*",
r".*AllSubs.*",
r"Created and Encoded by.*",
r".*corrected.*by.*",
r".*Entre a AmericasCardroom. com Hoy.*",
r".*Everyone is intimidated by a shark. Become.*",
r".*Juegue Poker en Línea por Dinero Real.*",
r".*OpenSubtitles.*",
r".*Open Subtitles.*",
r".*MKV Player.*",
r".*MKV player.*",
r".*Resync.*for.*",
r".*Resync.*improved.*",
r".*Ripped?By.*",
r'.*Sigue "Community" en.*',
r".*Subtitles.*by.*",
r".*Subt?tulos.*por.*",
r".*Support us and become VIP member.*",
r".*Subs.*Team.*",
r".*subscene.*",
r".*Subtitulado por.*",
r".*subtitulamos.*",
r".*Synchronized.*by.*",
r".*Sincronizado y corregido por.*",
r".*subdivx.*",
r".*Sync.*Corrected.*",
r".*Sync.*corrections.*by.*",
r".*sync and corrections by.*" r".*Sync.*by.*",
r".*Una.*traducci?n.*de.*",
r".*tvsubtitles.*",
r".*Una.*traducci?n.*de.*",
"Tacho8",
r".*www. com.*",
r".*www. es.*",
]
def ads_in_line(line: str) -> bool:
"""
Check if the given line contains an ad.
Args:
line (str): The line of text to be checked.
Returns:
bool: True if the line contains an ad, False otherwise.
"""
return any(re.match(ad, line, re.DOTALL) for ad in ADS)
def is_already_processed(filename: str) -> bool:
"""
Check if the file has already been processed.
Args:
filename (str): The path to the subtitle file.
Returns:
bool: True if the file has already been processed, False otherwise.
"""
created = os.path.getctime(filename)
already_processed = time.mktime(
time.strptime("2021-05-13 00:00:00", "%Y-%m-%d %H:%M:%S"),
)
return created < already_processed
def detect_encoding(filename: str) -> str:
"""
Detect the encoding of the subtitle file.
Args:
filename (str): The path to the subtitle file.
Returns:
str: The detected encoding of the file.
"""
with open(filename, "rb") as f:
return chardet.detect(f.read())["encoding"]
def remove_ads(subs: pysrt.SubRipFile) -> bool:
"""
Remove ads from the subtitle file.
Args:
subs (pysrt.SubRipFile): The subtitle file object.
Returns:
bool: True if the file was modified, False otherwise.
"""
modified = False
for i, line in enumerate(subs):
if ads_in_line(line.text):
print(f"Removing: {line}\n")
del subs[i]
modified = True
return modified
def process_file(filename: str) -> bool:
"""
Process a subtitle file to remove ads.
Args:
filename (str): The path to the subtitle file.
Returns:
bool: True if the file was modified, False otherwise.
"""
try:
if is_already_processed(filename):
print(f"Already processed {filename}")
return False
print(f"Analyzing: {filename}")
encoding = detect_encoding(filename)
subs = pysrt.open(filename, encoding=encoding)
if remove_ads(subs):
print(f"Saving {filename}")
subs.save(filename)
return True
return False
except Exception as e:
print(f"Error processing {filename}: {e}")
return False
def process_files(filenames: list[str]) -> list[str]:
"""
Process multiple subtitle files to remove ads.
Args:
filenames (list[str]): A list of subtitle file paths.
Returns:
list[str]: A list of modified file paths.
"""
modified_files = []
for filename in filenames:
if process_file(filename):
modified_files.append(filename)
return modified_files
def main():
"""
Process subtitle files to remove ads.
Read filenames from standard input, process each file to remove ads,
and print the result. Keep track of the modified files and print
a summary at the end.
"""
filenames = [filename.strip() for filename in sys.stdin]
print("Starting script")
modified_files = process_files(filenames)
if modified_files:
print(f"Modified {len(modified_files)} files")
print("Done")
if __name__ == "__main__":
main()
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