[WIP] Python: rest_api

python/rest-api/rest_api.py

@@ -0,0 +1,51 @@
+import json
+from enum import Enum
+from functools import wraps
+
+VALID_HTTP_METHODS = ['GET', 'POST']
+
+def register_url(url, http_method):
+    def actual_decorator(f):
+        @wraps(f)
+        def _impl(self, *f_args, **f_kwargs):
+            RestAPI._register_url(self, f, url, http_method)
+            return f(self, *f_args, **f_kwargs)
+    return actual_decorator
+
+class RestAPI:
+    def __init__(self, database=None):
+        self._rest_methods = {}
+        self._database = database if database else {}
+
+    def get(self, url, payload=None):
+        methods = self._rest_methods['GET']
+        if url in methods.keys():
+            return methods[url](payload)
+        else:
+            raise Exception('Error 404')
+
+    def post(self, url, payload=None):
+        methods = self._rest_methods['POST']
+        if url in methods.keys():
+            return methods[url](payload)
+        else:
+            raise Exception('Error 404')
+
+    def _register_url(self, f, url, http_method):
+
+        if http_method not in VALID_HTTP_METHODS:
+            raise Exception('Invalid Http method')
+
+        self._rest_methods[http_method][url] = f
+
+    @register_url('/users', 'GET')
+    def users(self, payload=None):
+        pass
+
+    @register_url('/add', 'POST')
+    def add(self, payload=None):
+        pass
+
+    @register_url('/iou', 'POST')
+    def iou(self, payload=None):
+        pass