fix ZeroDivisionError

lib/report.py

@@ -143,7 +143,7 @@ class DelayItem:
                 current_row.tsb_opt = i.content
             elif i.tag == LogTag.transcribe_cost:
                 current_row.tsb_cost = time_to_float(i.content)
-                current_row.tsb_cost_per_second = current_row.tsb_cost/current_row.audio_length
+                current_row.tsb_cost_per_second = current_row.tsb_cost/current_row.audio_length if current_row.audio_length else 0
             elif i.tag == LogTag.translate_start:
                 current_row.tsl_ipt = i.content
             elif i.tag in [LogTag.translate_end, LogTag.translate_large_end]:
@@ -155,7 +155,7 @@ class DelayItem:
                     current_row.web_src = web_item.src_text
                     current_row.web_dst = web_item.dst_text
                     current_row.web_delay = (current_row.web_tsp - current_row.audio_end_tsp).total_seconds()
-                    current_row.web_delay_per_second = current_row.web_delay / current_row.audio_length
+                    current_row.web_delay_per_second = current_row.web_delay / current_row.audio_length if current_row.audio_length else 0
                     # 删除 dict已匹配过的内容，避免多次匹配
                     web_items_dict.pop(current_row.tsb_opt+current_row.tsl_opt)
                     if len(detail_rows)>=1 and detail_rows[-1].web_tsp:
@@ -163,7 +163,7 @@ class DelayItem:
 
             elif i.tag in [LogTag.translate_cost, LogTag.translate_large_cost]:
                 current_row.tsl_cost = time_to_float(i.content)
-                current_row.tsl_cost_per_second = current_row.tsl_cost/current_row.audio_length
+                current_row.tsl_cost_per_second = current_row.tsl_cost/current_row.audio_length if current_row.audio_length else 0
         summary = self.get_summary(summary, detail_rows)
         return summary, detail_rows # [astuple(i) for i in rows]
     def get_summary(self,summary: DelaySummary, detail_rows):