Added private api_request method

Gitea.py

@@ -7,7 +7,7 @@ class Gitea:
 
     name = 'Gitea API wrapper'
 
-    def __init__(self, api_base_url=None, access_token=None):
+    def __init__(self, api_base_url=None, access_token=None, session=None):
 
         self.__gitea_config_path = "config/gitea.txt"
 
@@ -20,7 +20,12 @@ class Gitea:
 
         else:
 
-            self.__api_base_url, self.__access_token = self.setup(self)
+            self.__api_base_url, self.__access_token = self.__setup(self)
+
+        if session:
+            self.session = session
+        else:
+            self.session = requests.Session()
 
     def register_user(self, email, username, passwd):
 
@@ -35,8 +40,10 @@ class Gitea:
                 'username':username,
                 'visibility':'public'
             }
-        API_ENDPOINT = self.__api_base_url + '/api/v1/admin/users?'
-        response = requests.post(url = API_ENDPOINT + 'access_token=' + self.__access_token, data = data)
+
+        endpoint = self._Gitea__api_base_url + f'/api/v1/admin/users?access_token={self._Gitea__access_token}'
+
+        response = self.__api_request('POST', endpoint, data)
 
         is_registered = response.ok
 
@@ -49,8 +56,9 @@ class Gitea:
         data = {
             }
 
-        API_ENDPOINT = self._Gitea__api_base_url + '/api/v1/admin/users?'
-        response = requests.get(url = API_ENDPOINT + 'token=' + self._Gitea__access_token, data = data)
+        endpoint = self._Gitea__api_base_url + f'/api/v1/admin/users?token={self._Gitea__access_token}'
+
+        response = self.__api_request('GET', endpoint, data)
 
         response_ok = response.ok
 
@@ -71,7 +79,7 @@ class Gitea:
         return is_setup
 
     @staticmethod
-    def setup(self):
+    def __setup(self):
 
         if not os.path.exists('config'):
             os.makedirs('config')
@@ -99,3 +107,108 @@ class Gitea:
 
         print(f'{file_path} Missing parameter {parameter}')
         sys.exit(0)
+
+    def __api_request(self, method, endpoint, data):
+
+        try:
+
+            response = self.session.request(method, url = endpoint, data = data)
+
+        except Exception as e:
+
+            raise GiteaNetworkError(f"Could not complete request: {e}")
+
+        if response is None:
+
+            raise GiteaIllegalArgumentError("Illegal request.")
+
+        if not response.ok:
+
+                try:
+                    if isinstance(response, dict) and 'error' in response:
+                        error_msg = response['error']
+                    elif isinstance(response, str):
+                        error_msg = response
+                    else:
+                        error_msg = None
+                except ValueError:
+                    error_msg = None
+
+                if response.status_code == 404:
+                    ex_type = GiteaNotFoundError
+                    if not error_msg:
+                        error_msg = 'Endpoint not found.'
+                        # this is for compatibility with older versions
+                        # which raised GiteaAPIError('Endpoint not found.')
+                        # on any 404
+                elif response.status_code == 401:
+                    ex_type = GiteaUnauthorizedError
+                elif response.status_code == 422:
+                    return response
+                elif response.status_code == 500:
+                    ex_type = GiteaInternalServerError
+                elif response.status_code == 502:
+                    ex_type = GiteaBadGatewayError
+                elif response.status_code == 503:
+                    ex_type = GiteaServiceUnavailableError
+                elif response.status_code == 504:
+                    ex_type = GiteaGatewayTimeoutError
+                elif response.status_code >= 500 and \
+                    response.status_code <= 511:
+                    ex_type = GiteaServerError
+                else:
+                    ex_type = GiteaAPIError
+
+                raise ex_type(
+                    'Gitea API returned error',
+                    response.status_code,
+                    response.reason,
+                    error_msg)
+
+        else:
+
+            return response
+
+##
+# Exceptions
+##
+class GiteaError(Exception):
+    """Base class for Gitea.py exceptions"""
+
+class GiteaIOError(IOError, GiteaError):
+    """Base class for Gitea.py I/O errors"""
+
+class GiteaNetworkError(GiteaIOError):
+    """Raised when network communication with the server fails"""
+    pass
+class GiteaAPIError(GiteaError):
+    """Raised when the gitea API generates a response that cannot be handled"""
+    pass
+class GiteaServerError(GiteaAPIError):
+    """Raised if the Server is malconfigured and returns a 5xx error code"""
+    pass
+class GiteaInternalServerError(GiteaServerError):
+    """Raised if the Server returns a 500 error"""
+    pass
+
+class GiteaBadGatewayError(GiteaServerError):
+    """Raised if the Server returns a 502 error"""
+    pass
+
+class GiteaServiceUnavailableError(GiteaServerError):
+    """Raised if the Server returns a 503 error"""
+    pass
+class GiteaGatewayTimeoutError(GiteaServerError):
+    """Raised if the Server returns a 504 error"""
+    pass
+class GiteaNotFoundError(GiteaAPIError):
+    """Raised when the gitea API returns a 404 Not Found error"""
+    pass
+
+class GiteaUnauthorizedError(GiteaAPIError):
+    """Raised when the gitea API returns a 401 Unauthorized error
+
+       This happens when an OAuth token is invalid or has been revoked,
+       or when trying to access an endpoint that can't be used without
+       authentication without providing credentials."""
+    pass