Добавлен базовый api для frontend

frontend/api.py

@@ -0,0 +1,91 @@
+import requests
+from json import loads, dumps
+from types import SimpleNamespace
+
+URL = "http://127.0.0.1:8000"
+API_LISTS_LIST = "api/lists/"
+API_LISTS_CREATE = "api/lists/"
+API_LISTS_READ = "lists/{0}/"
+API_LISTS_UPDATE = "lists/{0}/"
+API_LISTS_PARTIAL_UPDATE = "lists/{0}/"
+API_LISTS_DELETE = "lists/{0}/"
+API_TOKEN = "api/token/"
+
+CODE_SUCCESS = 200
+JSON_HEADERS = {'content-type': 'application/json', 'accept': 'application/json'}
+
+get_api = lambda x: URL + "/" + x
+dump = lambda x: bytes(dumps(x), encoding="utf-8")
+
+class User(object):
+
+    def __init__(self):
+        pass
+
+    def auth(self, user, passwd):
+        url = get_api(API_TOKEN)
+        data = dump({"username": f"{user}", "password": f"{passwd}"})
+        code, self.token = User.post(url=url, data=data, headers=JSON_HEADERS)
+        return code
+    
+    def list(self):
+        return User.get(
+            url=get_api(API_LISTS_LIST), 
+            headers=self._authorised_())
+    
+    def create(self, title="Untitled"):
+        return User.post(
+            url=get_api(API_LISTS_CREATE), 
+            data=dump({"title": title}), 
+            headers=self._authorised_())
+    
+    def read(self, id):
+        return User.post(
+            url=get_api(API_LISTS_READ).format(id), 
+            headers=self._authorised_())
+    
+    def update(self, id, title="Untitled"):
+        return User.__request__(
+            func=requests.put,
+            data=dump({"title": title}),
+            url=get_api(API_LISTS_UPDATE).format(id), 
+            headers=self._authorised_())
+            
+    def partial_update(self, id, title="Untitled"):
+        return User.__request__(
+            func=requests.patch,
+            data=dump({"title": title}),
+            url=get_api(API_LISTS_PARTIAL_UPDATE).format(id), 
+            headers=self._authorised_())
+    
+    def delete(self, id):
+        return User.__request__(
+            func=requests.delete,
+            url=get_api(API_LISTS_DELETE).format(id), 
+            headers=self._authorised_())
+    
+    def _authorised_(self, headers=JSON_HEADERS):
+        if not hasattr(self, "token"):
+            raise RuntimeError("Authosization required for requested operation!")
+        headers = headers.copy()
+        headers['Authorization'] = f'Bearer {self.token.access}'
+        return headers
+    
+    @staticmethod
+    def get(**argv):
+        return User.__request__(requests.get, **argv)
+        
+    @staticmethod
+    def post(**argv):
+        return User.__request__(requests.post, **argv)
+        
+    @staticmethod
+    def __request__(func, verbose=True, **argv):
+        with func(**argv) as r:
+            if r.status_code == CODE_SUCCESS:
+                data = loads(r.text)
+                if type(data) is dict:
+                    data = SimpleNamespace(**data)
+            else:
+                data = None
+            return r.status_code, data

frontend/api_demo.py

@@ -0,0 +1,11 @@
+from api import User, CODE_SUCCESS
+
+user = User()
+print("testing api methods...")
+print("auth...", user.auth("root", "root") == CODE_SUCCESS)
+print("list...", user.list()[0] == CODE_SUCCESS)
+print("create...", user.create()[0] == CODE_SUCCESS)
+print("read...", user.read(id=0)[0] == CODE_SUCCESS)
+print("update...", user.update(id=0, title="Title")[0] == CODE_SUCCESS)
+print("partial_update...", user.partial_update(id=0, title="Title")[0] == CODE_SUCCESS)
+print("delete...", user.update(id=0)[0] == CODE_SUCCESS)