Repaired a lot of Media Management

check_video/check_video.py

@@ -0,0 +1,42 @@
+from languages import LANG_CODES, REVERSE_LANG_CODES
+
+extensions=("mp4", "mkv", "avi", "mov", "wmv", "flv", "webm", "lrv", "gif")
+
+def check_video_ext(extension: str) -> bool:
+    if extension.lower().strip('.') in extensions:
+        return True
+    return False
+
+def normalize_language(lang: str) -> str:
+    """
+    Input: 'ger', 'DE', 'German', 'GERMAN'
+    Output: 'German'
+    """
+    if not lang:
+        return "Undefined"
+    
+    # 1. Clean the input
+    query = lang.strip().lower()
+    
+    # 2. Check if it's already a code (e.g., 'de' or 'ger')
+    if query in LANG_CODES:
+        return LANG_CODES[query]
+    
+    # 3. Check if it's a full name (e.g., 'german')
+    # We need a case-insensitive check against the names in REVERSE_LANG_CODES
+    for full_name in REVERSE_LANG_CODES:
+        if full_name.lower() == query:
+            return full_name
+            
+    return "Undefined"
+
+def normalize_lang_code(lang: str) -> str:
+    """
+    Input: 'ger', 'DE', 'German', 'GERMAN'
+    Output: 'de' (the canonical media code (ISO 639-1))
+    """
+    # First, get the standard full name
+    full_name = normalize_language(lang)
+    
+    # Then, look up that full name in the reverse table
+    return REVERSE_LANG_CODES.get(full_name, "und")