Modify demo.py

Author: dt3310321

qcloud_cos/demo.py

@@ -1,6 +1,8 @@
 # -*- coding=utf-8
 from qcloud_cos import CosConfig
 from qcloud_cos import CosS3Client
+from qcloud_cos import CosServiceError
+from qcloud_cos import CosClientError
 
 # 腾讯云COSV5Python SDK, 目前可以支持Python2.6与Python2.7
 
@@ -55,3 +57,22 @@
 )
 fp = response['Body'].get_raw_stream()
 print fp.read(2)
+
+# 文件下载 捕获异常
+try:
+    response = client.get_object(
+        Bucket='test04',
+        Key='not_exist.txt',
+    )
+    fp = response['Body'].get_raw_stream()
+    print fp.read(2)
+except CosServiceError as e:
+    print e.get_origin_msg()
+    print e.get_digest_msg()
+    print e.get_status_code()
+    print e.get_error_code()
+    print e.get_error_msg()
+    print e.get_resource_location()
+    print e.get_trace_id()
+    print e.get_request_id()
+