Code refactoring and optimization: remove duplicate code, simplify grade processing logic, and improve code readability and maintainability.

user_login.py

@@ -0,0 +1,41 @@
+import base64
+import os
+import sys
+from pprint import pprint
+from zfn_api import Client
+
+
+def login(url, username, password):
+    cookies = {}
+    base_url = url
+    raspisanie = []
+    ignore_type = []
+    detail_category_type = []
+    timeout = 5
+
+    student_client = Client(
+        cookies=cookies,
+        base_url=base_url,
+        raspisanie=raspisanie,
+        ignore_type=ignore_type,
+        detail_category_type=detail_category_type,
+        timeout=timeout,
+    )
+
+    if cookies == {}:
+        lgn = student_client.login(username, password)
+        if lgn["code"] == 1001:
+            verify_data = lgn["data"]
+            with open(os.path.abspath("kaptcha.png"), "wb") as pic:
+                pic.write(base64.b64decode(verify_data.pop("kaptcha_pic")))
+            verify_data["kaptcha"] = input("输入验证码：")
+            ret = student_client.login_with_kaptcha(**verify_data)
+            if ret["code"] != 1000:
+                pprint(ret)
+                sys.exit()
+            pprint(ret)
+        elif lgn["code"] != 1000:
+            pprint(lgn)
+            sys.exit()
+
+    return student_client