1.0.5 - added middlewares and CORS

expross/cors.py

@@ -0,0 +1,42 @@
+"""
+The MIT License (MIT)
+
+Copyright (c) 2021 expross
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+"""
+
+
+class CORSMiddleware:
+    """This is the middleware that applies a CORS object to requests.
+    Args:
+        cors (CORS, required): An instance of :py:class:`~falcon.cors.CORS`.
+        default_enabled (bool, optional): Whether CORS processing should
+            take place for every resource.  Default ``True``.
+    """
+
+    def __init__(self, cors, default_enabled=True):
+        self.cors = cors
+        self.default_enabled = default_enabled
+
+    def process_resource(self, req, resp, resource, *args):
+        if not getattr(resource, "cors_enabled", self.default_enabled):
+            return
+        cors = getattr(resource, "cors", self.cors)
+        cors.process(req, resp, resource)

expross/log.py

@@ -0,0 +1,11 @@
+import logging
+
+
+def get_default_logger(level=None):
+    logger = logging.getLogger("expross")
+    logger.setLevel(logging.INFO)
+    logger.propogate = False
+    if not logger.handlers:
+        handler = logging.StreamHandler()
+        logger.addHandler(handler)
+    return logger

expross/main.py

@@ -38,6 +38,7 @@
 import falcon
 import os
 
+
 class Expross(object):
     """Expross is a lightweight web server to introduce JavaScript developers familiar with Express to Python.
 
@@ -66,12 +67,14 @@ def __init__(self, *argv, **kwargs):
         self.default_port: int = kwargs.get("port", self.default_port)
         self.default_host_name: str = kwargs.get("host_name", self.default_port)
 
-        self.routes = []
-        self.errors = []
+        self.routes: list = []
+        self.errors: list = []
+        self.middlewares: list = kwargs.get("middlewares", [])
+
         self.req: Request = None
         self.res: Response = None
 
-        self.app: falcon.App = falcon.App()
+        self.app: falcon.App = falcon.App(middleware=self.middlewares)
 
         # Jinja2 initialitaion
         _templates: str = kwargs.get("templates", self.default_templates)
@@ -108,6 +111,10 @@ def set_templates(self, name: str = "templates"):
         file_loader: FileSystemLoader = FileSystemLoader(name)
         self.jinja_env: Environment = Environment(loader=file_loader)
 
+    def add_middleware(self, middleware):
+        self.app.add_middleware(middleware)
+        self.middlewares.append(middleware)
+
     def error(self, error):
         """add an error handler to your app