Add delete method

Add method to delete existing entities.
In this case we changed also the `PyHPIPAMEntityNotFound` exception to
handle errors if the entity whihch should be delete does not exists.

Author: cmeissner

pyhpipam/core/api.py

@@ -10,6 +10,7 @@
 GET = requests.get
 POST = requests.post
 PATCH = requests.patch
+DELETE = requests.delete
 OPTIONS = requests.options
 
 
@@ -114,3 +115,8 @@ def create_entity(self, controller, data, **kwargs):
             _path = '{}/{}'.format(_path, _controller_path)
 
         return self._query(token=self._api_token, method=POST, path=_path, data=data)
+
+    def delete_entity(self, controller, controller_path, **kwargs):
+        _path = '{}/{}'.format(controller, controller_path)
+
+        return self._query(token=self._api_token, method=DELETE, path=_path)

pyhpipam/core/exceptions.py

@@ -15,8 +15,7 @@ def __init__(self, *args, **kwargs):
         elif self._code == 400:
             raise PyHPIPAMInvalidSyntax(message=self._message)
         elif self._code == 404:
-            if self._message == 'Not Found':
-                raise PyHPIPAMEntityNotFoundException(self._message)
+            raise PyHPIPAMEntityNotFoundException(self._message)
 
         # super(PyHPIPAMException, self).__init__(*args, **kwargs)