Update app.py

app.py

@@ -174,25 +174,32 @@ def dataManipulator(converter, filepath):
         
         return gr.DownloadButton(label=f"Download {output_file}", value=output_file, interactive=True)
     if converter == "WhatsApp Converter":
-        with open(filepath, 'r', errors='ignore') as file:
+        with open(filepath, 'r', encoding='utf-8', errors='ignore') as file:
             lines = file.readlines()
 
         records = []
+        pattern = r'^\[?(\d{2}/\d{2}/\d{2}, \d{2}:\d{2}:\d{2})\]?\s-?\s(.+?):\s(.+)$'
+
         for line in lines:
-            if ', ' in line and ': ' in line:
-                date_time, message = line.split(' - ', 1)
+            line = line.strip()
+            match = re.match(pattern, line)
+            if match:
+                date_time, sender, message = match.groups()
                 date, time = date_time.split(', ')
-                sender, message = message.split(': ', 1)
                 records.append({
                     "date": date,
                     "time": time,
                     "sender": sender,
                     "message": message
                 })
+            else:
+                # If the line doesn't match the pattern, it might be a continuation of the previous message
+                if records:
+                    records[-1]["message"] += " " + line
 
         output_file = os.path.basename(os.path.splitext(filepath)[0]) + '_converted.csv'
         
-        with open(output_file, 'w', newline='') as csvfile:
+        with open(output_file, 'w', newline='', encoding='utf-8') as csvfile:
             fieldnames = ["date", "time", "sender", "message"]
             writer = csv.DictWriter(csvfile, fieldnames=fieldnames)