Update app.py

app.py

@@ -113,13 +113,21 @@ def reverse_text_for_rtl(text):
 def write_pdf(transcription, output_file, tokenizer=None, translation_model=None):
     # Create PDF with A4 page size
     c = canvas.Canvas(output_file, pagesize=A4)
-    
-    # Register the B-Nazanin font
-    font_path = "/usr/share/fonts/truetype/custom/B-NAZANIN.TTF"  # Update this path as needed
+    # Get the directory where app.py is located
+app_dir = os.path.dirname(os.path.abspath(__file__))
+
+# Construct the full path to the font file
+font_path = os.path.join(app_dir, 'B-NAZANIN.TTF')
+
+if os.path.exists(font_path):
     try:
-        pdfmetrics.registerFont(TTFont('B-Nazanin', font_path))
-    except Exception as e:
-        raise RuntimeError(f"Error registering font: {e}. Please ensure B-NAZANIN.TTF is available at {font_path}")
+        registerFont(TTFont('B-Nazanin', font_path))
+    except TTFError as e:
+        raise RuntimeError(f"Error registering font: {e}.")
+else:
+    raise FileNotFoundError(f"Font file not found at {font_path}. Please ensure it is available.")
+    
+    
     
     # Set font and size
     c.setFont('B-Nazanin', 12)