lazy load v2_swagger_client module (goharbor#22154)

Signed-off-by: my036811 <[email protected]>

Author: MinerYang

tests/apitests/python/library/base.py

@@ -3,13 +3,17 @@
 import subprocess
 import time
 
-import v2_swagger_client
+import importlib
 
 try:
     from urllib import getproxies
 except ImportError:
     from urllib.request import getproxies
 
+def swagger_module():
+        module = importlib.import_module("v2_swagger_client")
+        return module
+
 class Server:
     def __init__(self, endpoint, verify_ssl):
         self.endpoint = endpoint
@@ -26,6 +30,7 @@ def get_endpoint():
     return os.environ.get("HARBOR_HOST_SCHEMA", "https")+ "://"+harbor_server+"/api/v2.0"
 
 def _create_client(server, credential, debug, api_type):
+    v2_swagger_client = swagger_module()
     cfg = v2_swagger_client.Configuration()
     cfg.host = server.endpoint
     cfg.verify_ssl = server.verify_ssl

tests/apitests/python/library/repository.py

@@ -2,12 +2,16 @@
 
 import time
 import base
-import v2_swagger_client
+import importlib
 import docker_api
 from docker_api import DockerAPI
-from v2_swagger_client.rest import ApiException
+# from v2_swagger_client.rest import ApiException
 from testutils import DOCKER_USER, DOCKER_PWD
 
+def swagger_module():
+        module = importlib.import_module("v2_swagger_client")
+        return module
+
 def pull_harbor_image(registry, username, password, image, tag, expected_login_error_message = None, expected_error_message = None):
     _docker_api = DockerAPI()
     _docker_api.docker_login(registry, username, password, expected_error_message = expected_login_error_message)
@@ -122,6 +126,7 @@ def get_repository(self, project_name, repo_name, **kwargs):
 
     def add_label_to_tag(self, repo_name, tag, label_id, expect_status_code = 200, **kwargs):
         client = self._get_client(**kwargs)
+        v2_swagger_client = swagger_module()
         label = v2_swagger_client.Label(id=label_id)
         _, status_code, _ = client.repositories_repo_name_tags_tag_labels_post_with_http_info(repo_name, tag, label)
         base._assert_status_code(expect_status_code, status_code)
@@ -158,11 +163,12 @@ def signature_should_exist(self, repo_name, tag, **kwargs):
 
     def retag_image(self, repo_name, tag, src_image, override=True, expect_status_code = 200, expect_response_body = None, **kwargs):
         client = self._get_client(**kwargs)
+        v2_swagger_client = swagger_module()
         request = v2_swagger_client.RetagReq(tag=tag, src_image=src_image, override=override)
 
         try:
             data, status_code, _ = client.repositories_repo_name_tags_post_with_http_info(repo_name, request)
-        except ApiException as e:
+        except v2_swagger_client.rest.ApiException as e:
             base._assert_status_code(expect_status_code, e.status)
             if expect_response_body is not None:
                 base._assert_status_body(expect_response_body, e.body)

tests/apitests/python/testutils.py

@@ -15,7 +15,7 @@
 
 files_directory = os.getcwd() + "/tests/files/"
 
-import v2_swagger_client
+import importlib
 
 admin_user = "admin"
 admin_pwd = "Harbor12345"
@@ -35,9 +35,12 @@
 BASE_IMAGE = dict(name='busybox', tag='latest')
 BASE_IMAGE_ABS_PATH_NAME = '/' + BASE_IMAGE['name'] + '.tar'
 
-
+def swagger_module():
+        module = importlib.import_module("v2_swagger_client")
+        return module
+ 
 def GetRepositoryApi(username, password, harbor_server= os.environ.get("HARBOR_HOST", '')):
-
+    v2_swagger_client = swagger_module()
     cfg = v2_swagger_client.Configuration()
     cfg.host = "https://"+harbor_server+"/api/v2.0"
     cfg.username = username
@@ -49,6 +52,7 @@ def GetRepositoryApi(username, password, harbor_server= os.environ.get("HARBOR_H
     return api_instance
 
 def GetUserGroupApi(username, password, harbor_server= os.environ.get("HARBOR_HOST", '')):
+    v2_swagger_client = swagger_module()
     cfg = v2_swagger_client.Configuration()
     cfg.host = "https://"+harbor_server+"/api/v2.0"
     cfg.username = username