feat: update core

Author: zpp12354321

requirements.txt

@@ -2,5 +2,4 @@ certifi >= 14.05.14
 six >= 1.10
 python_dateutil >= 2.5.3
 setuptools >= 21.0.0
-urllib3 >= 1.15.1
-pytz >= 2020.5
+urllib3 >= 1.15.1

setup.py

@@ -15,8 +15,7 @@
     "certifi>=2017.4.17",
     "python-dateutil>=2.1",
     "six>=1.10",
-    "urllib3>=1.23",
-    "pytz>=2020.5"
+    "urllib3>=1.23"
 ]
 
 setup(

volcenginesdkcore/__init__.py

@@ -1,5 +1,4 @@
 # coding:utf-8
 
 from volcenginesdkcore.configuration import Configuration
-from volcenginesdkcore.credentials import Credentials
 from volcenginesdkcore.api_client import ApiClient

volcenginesdkcore/api_client.py

@@ -15,10 +15,8 @@
 from six.moves.urllib.parse import quote
 
 from volcenginesdkcore.configuration import Configuration
-from volcenginesdkcore.credentials import Credentials
 from volcenginesdkcore import rest
-from volcenginesdkcore.sign import Request
-from volcenginesdkcore.sign import SignerV4
+from volcenginesdkcore.signv4 import SignerV4
 
 
 class ApiClient(object):
@@ -536,19 +534,13 @@ def update_params_for_auth(self, host, path, method, headers, querys, auth_setti
             return
 
         for auth in auth_settings:
-            r = Request()
-            r.host = host
-            r.path = path
-            r.method = method
-            r.headers = headers
+            headers["Host"] = host
             if method == "POST":
-                r.body = json.dumps(body)
-            r.query = dict(querys)  # change list tuple to dict
-            r.headers["Host"] = host
-            credentials = Credentials(ak=self.configuration.ak, sk=self.configuration.sk, service=service,
-                                      region=self.configuration.region)
-            SignerV4.sign(r, credentials)
-            headers.update(r.headers)  # update to new headers
+                body = json.dumps(body)
+            else:
+                body = ""
+            SignerV4.sign(path, method, headers, body, dict(querys),
+                          self.configuration.ak, self.configuration.sk, self.configuration.region, service)
 
     def __deserialize_file(self, response):
         """Deserializes body to file