Update app.py

app.py

@@ -99,6 +99,38 @@ latin_to_ipa = {
     "!": "!"
 }
 
+# Buckwalter transliteration mappings
+arabic_to_buckwalter = {
+    # Basic letters
+    'ا': 'A', 'ب': 'b', 'ت': 't', 'ث': 'v', 'ج': 'j', 'ح': 'H', 'خ': 'x',
+    'د': 'd', 'ذ': '*', 'ر': 'r', 'ز': 'z', 'س': 's', 'ش': '$', 'ص': 'S',
+    'ض': 'D', 'ط': 'T', 'ظ': 'Z', 'ع': 'E', 'غ': 'g', 'ف': 'f', 'ق': 'q',
+    'ك': 'k', 'ل': 'l', 'م': 'm', 'ن': 'n', 'ه': 'h', 'و': 'w', 'ي': 'y',
+    
+    # Hamza variants
+    'ء': "'", 'أ': '>', 'إ': '<', 'آ': '|', 'ؤ': '&', 'ئ': '}',
+    
+    # Taa marbuta
+    'ة': 'p',
+    
+    # Alif maqsura
+    'ى': 'Y',
+    
+    # Diacritics
+    'َ': 'a', 'ُ': 'u', 'ِ': 'i', 'ً': 'F', 'ٌ': 'N', 'ٍ': 'K',
+    'ّ': '~', 'ْ': 'o',
+    
+    # Punctuation
+    '،': ',', '؛': ';', '؟': '?', '«': '"', '»': '"',
+    
+    # Spaces and numbers
+    ' ': ' ', '٠': '0', '١': '1', '٢': '2', '٣': '3', '٤': '4',
+    '٥': '5', '٦': '6', '٧': '7', '٨': '8', '٩': '9'
+}
+
+# Reverse mapping for Buckwalter to Arabic
+buckwalter_to_arabic = {v: k for k, v in arabic_to_buckwalter.items()}
+
 def clean_arabic_text(text):
     """Remove diacritics from Arabic text for translation"""
     if not text:
@@ -256,6 +288,52 @@ def latin_to_ipa_conversion(latin_text):
     
     return output
 
+    def arabic_to_buckwalter_convert(arabic_text):
+    """Convert Arabic text to Buckwalter transliteration."""
+    if not arabic_text:
+        return ""
+    
+    result = ""
+    for char in arabic_text:
+        if char in arabic_to_buckwalter:
+            result += arabic_to_buckwalter[char]
+        else:
+            result += char  # Keep unknown characters as-is
+    
+    return result
+
+def buckwalter_to_arabic_convert(buckwalter_text):
+    """Convert Buckwalter transliteration to Arabic text."""
+    if not buckwalter_text:
+        return ""
+    
+    result = ""
+    for char in buckwalter_text:
+        if char in buckwalter_to_arabic:
+            result += buckwalter_to_arabic[char]
+        else:
+            result += char  # Keep unknown characters as-is
+    
+    return result
+
+def bidirectional_buckwalter_convert(input_text):
+    """Automatically detect and convert between Arabic and Buckwalter."""
+    if not input_text.strip():
+        return "", ""
+    
+    # Simple detection: if text contains Arabic characters, convert to Buckwalter
+    # Otherwise, assume it's Buckwalter and convert to Arabic
+    has_arabic = any('\u0600' <= char <= '\u06FF' for char in input_text)
+    
+    if has_arabic:
+        # Arabic to Buckwalter
+        buckwalter_result = arabic_to_buckwalter_convert(input_text)
+        return buckwalter_result, "Arabic → Buckwalter"
+    else:
+        # Buckwalter to Arabic
+        arabic_result = buckwalter_to_arabic_convert(input_text)
+        return arabic_result, "Buckwalter → Arabic"
+
 def arabic_tts(arabic_text):
     """Generate TTS audio for Arabic text."""
     if not arabic_text or not arabic_text.strip():
@@ -486,7 +564,37 @@ with gr.Blocks(title="Arabic Transliterator with Google Translate") as demo:
             arabic_audio = gr.Audio(label="Arabic Audio", type="filepath")
         with gr.Column():
             ipa_audio = gr.Audio(label="IPA Pronunciation Audio (English reading)", type="filepath")
-    
+
+    # Buckwalter transliteration section
+    with gr.Accordion("🔄 Buckwalter Transliteration", open=False):
+        gr.Markdown("**Bi-directional Arabic ↔ Buckwalter transliteration**")
+        gr.Markdown("Enter Arabic text or Buckwalter notation. The system will auto-detect and convert.")
+        
+        with gr.Row():
+            with gr.Column():
+                buckwalter_input = gr.Textbox(
+                    label="Input (Arabic or Buckwalter)",
+                    placeholder="Enter Arabic: السلام عليكم OR Buckwalter: AlslAm Elyokm",
+                    lines=3,
+                    show_copy_button=True
+                )
+            
+            with gr.Column():
+                buckwalter_output = gr.Textbox(
+                    label="Converted Output",
+                    lines=3,
+                    show_copy_button=True
+                )
+        
+        with gr.Row():
+            buckwalter_convert_btn = gr.Button("🔄 Convert", variant="primary")
+            conversion_direction = gr.Textbox(
+                label="Conversion Direction",
+                value="",
+                interactive=False,
+                max_lines=1
+            )
+            
     # Manual translation section
     with gr.Accordion("🔍 Manual Translation", open=False):
         with gr.Row():
@@ -570,6 +678,13 @@ with gr.Blocks(title="Arabic Transliterator with Google Translate") as demo:
         inputs=latin_input,
         outputs=[arabic_output, ipa_output, arabic_audio, ipa_audio, translation_output]
     )
+
+    # Buckwalter conversion handler
+    buckwalter_convert_btn.click(
+        fn=bidirectional_buckwalter_convert,
+        inputs=buckwalter_input,
+        outputs=[buckwalter_output, conversion_direction]
+    )
     
     # Manual translation handlers
     manual_translate_btn.click(