Added subscleaner script

src/subscleaner/subscleaner.py

@@ -0,0 +1,150 @@
+#!/usr/bin/python3
+"""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 process_file(filename):
+    """
+    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:
+        created = os.path.getctime(filename)
+        already_processed = time.mktime(
+            time.strptime("2021-05-13 00:00:00", "%Y-%m-%d %H:%M:%S"),
+        )
+        if created < already_processed:
+            print(f"Already processed {filename}")
+            return False
+
+        print(f"Analyzing: {filename}")
+
+        with open(filename, "rb") as f:
+            encoding = chardet.detect(f.read())["encoding"]
+
+        subs = pysrt.open(filename, encoding=encoding)
+        modified = False
+        for i, line in enumerate(subs):
+            if ads_in_line(line.text):
+                print(f"Removing: {line}\n")
+                del subs[i]
+                modified = True
+
+        if modified:
+            print(f"Saving {filename}")
+            subs.save(filename)
+            return True
+        return False
+    except Exception as e:
+        print(f"Error processing {filename}: {e}")
+        return False
+
+
+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.
+    """
+    modified_files = []
+    print("Starting script")
+    for filename in sys.stdin:
+        filename = filename.strip()
+        if process_file(filename):
+            modified_files.append(filename)
+
+    if modified_files:
+        print(f"Modified {len(modified_files)} files")
+    print("Done")
+
+
+if __name__ == "__main__":
+    main()