Debug the last interval issue

app.py

@@ -12,7 +12,7 @@ def create_interval_data_dict(xmin, xmax, sentence):
     return {'xmin': float(xmin), 'xmax': float(xmax), 'text': sentence}
 
 def write_textgrid_file(intervals, output_file_path, total_xmax, tier_name):
-    with open(output_file_path, 'w', encoding='utf-8') as f:
+    with open(output_file_path, 'w') as f:
         f.write('File type = "ooTextFile"\n')
         f.write('Object class = "TextGrid"\n\n')
         f.write('xmin = 0\n')
@@ -25,7 +25,7 @@ def write_textgrid_file(intervals, output_file_path, total_xmax, tier_name):
         f.write(f'        name = "{tier_name}"\n')
         f.write('        xmin = 0\n')
         f.write(f'        xmax = {str(float(total_xmax))}\n')
-        f.write(f'        intervals: size = {len(intervals) + 1}\n')
+        f.write(f'        intervals: size = {len(intervals)}\n')
 
         for idx, interval in enumerate(intervals):
             f.write(f'        intervals [{idx + 1}]:\n')
@@ -33,11 +33,6 @@ def write_textgrid_file(intervals, output_file_path, total_xmax, tier_name):
             f.write(f'            xmax = {interval["xmax"]}\n')
             f.write(f'            text = "{interval["text"]}"\n')
 
-        if len(intervals) > 0:
-            f.write(f'        intervals [{len(intervals) + 1}]:\n')
-            f.write(f'            xmin = {intervals[-1]["xmax"]}\n')
-            f.write(f'            xmax = {intervals[-1]["xmax"]}\n')
-            f.write(f'            text = ""\n')
 
 def validate_csv_format(header):
     valid_headers = [
@@ -168,10 +163,15 @@ def csv_to_textgrid(file, tier_name=""):
                         print(f"Error processing row {row}: {e}")
                         continue
 
+                    # Handle file transition
                     if prev_filename is not None and prev_filename != filename:
                         if words:
                             intervals.append(create_interval_data_dict(iu_xmin, iu_xmax, ' '.join(words)))
                         
+                        if intervals:
+                            last_xmax = intervals[-1]['xmax']
+                            intervals.append(create_interval_data_dict(last_xmax, last_xmax + 0.001, ''))  # New interval
+
                         if intervals:
                             textgrid_path = os.path.join(output_directory, f"{prev_filename}.TextGrid")
                             write_textgrid_file(intervals, textgrid_path, intervals[-1]['xmax'], tier_name)
@@ -199,10 +199,21 @@ def csv_to_textgrid(file, tier_name=""):
                     words.append(text)
                     iu_xmax = xmax
 
+                # Process the last file
                 if not current_file_processed and prev_filename:
                     if words:
                         intervals.append(create_interval_data_dict(iu_xmin, iu_xmax, ' '.join(words)))
-                    
+
+                    # Add the new interval with xmin as last xmax and xmax as last xmax + 0.001
+                    if intervals:
+                        last_xmax = intervals[-1]['xmax']
+                        new_xmin = last_xmax
+                        new_xmax = last_xmax + 0.001
+
+                        # Only add the new interval if it's not a duplicate
+                        if new_xmin < new_xmax:  # Ensure they are not the same
+                            intervals.append(create_interval_data_dict(new_xmin, new_xmax, ''))  # New interval
+
                     if intervals:
                         textgrid_path = os.path.join(output_directory, f"{prev_filename}.TextGrid")
                         write_textgrid_file(intervals, textgrid_path, intervals[-1]['xmax'], tier_name)