添加异常处理，防止程序崩溃

crawl_mrdx/crawl_mrdx.py

@@ -39,20 +39,25 @@ class CrawlMrdx():
         :param url: news url
         :param fileName: saved file name
         '''
-        with closing(requests.get(url=url, headers=user_agent.getheaders(), stream=True)) as response:
-            chunkSize = 1024
-            contentSize = int(response.headers["content-length"])
-            if(os.path.exists(fileName) and os.path.getsize(fileName) == contentSize):
-                print("跳过" + fileName)
-            else:
-                progress = DownloadProgress.DownloadProgress(fileName, total=contentSize, unit="KB",
-                                                             chunk_size=chunkSize, run_status="downloading", fin_status="downloaded")
-                if not os.path.exists(os.path.dirname(fileName)):
-                    os.makedirs(os.path.dirname(fileName))
-                with open(fileName, "wb") as file:
-                    for data in response.iter_content(chunk_size=chunkSize):
-                        file.write(data)
-                        progress.refresh(count=len(data))
+        try:
+            with closing(requests.get(url=url, headers=user_agent.getheaders(), stream=True)) as response:
+                chunkSize = 1024
+                contentSize = int(response.headers["content-length"])
+                if(os.path.exists(fileName) and os.path.getsize(fileName) == contentSize):
+                    print("跳过" + fileName)
+                else:
+                    progress = DownloadProgress.DownloadProgress(fileName, total=contentSize, unit="KB",
+                                                                chunk_size=chunkSize, run_status="downloading", fin_status="downloaded")
+                    if not os.path.exists(os.path.dirname(fileName)):
+                        os.makedirs(os.path.dirname(fileName))
+                    with open(fileName, "wb") as file:
+                        for data in response.iter_content(chunk_size=chunkSize):
+                            file.write(data)
+                            progress.refresh(count=len(data))
+        except Exception as e:
+            print(e)
+        finally:
+            pass
 
     def crawl(self, start: str, end: str):
         '''crawl news