feat: add qrcode login of creator (#111)

example/login_qrcode_from_creator.py

@@ -0,0 +1,45 @@
+import datetime
+import json
+from time import sleep
+
+import qrcode
+import requests
+
+from xhs import XhsClient
+
+
+def sign(uri, data=None, a1="", web_session=""):
+    # 填写自己的 flask 签名服务端口地址
+    res = requests.post("http://localhost:5555/sign",
+                        json={"uri": uri, "data": data, "a1": a1, "web_session": web_session})
+    signs = res.json()
+    return {
+        "x-s": signs["x-s"],
+        "x-t": signs["x-t"]
+    }
+
+
+# pip install qrcode
+if __name__ == '__main__':
+    xhs_client = XhsClient(sign=sign)
+    print(datetime.datetime.now())
+    qr_res = xhs_client.get_qrcode_from_creator()
+    qr_id = qr_res["id"]
+    qr = qrcode.QRCode(version=1, error_correction=qrcode.ERROR_CORRECT_L,
+                       box_size=50,
+                       border=1)
+    qr.add_data(qr_res["url"])
+    qr.make()
+    qr.print_ascii()
+
+    while True:
+        check_qrcode = xhs_client.check_qrcode_from_creator(qr_id)
+        print(check_qrcode)
+        sleep(1)
+        if check_qrcode["status"] == 1:
+            ticket = check_qrcode["ticket"]
+            xhs_client.customer_login(ticket)
+            xhs_client.login_from_creator()
+            break
+
+    print(json.dumps(xhs_client.get_self_info_from_creator(), ensure_ascii=False, indent=4))