url prefix

diyry.py

@@ -14,7 +14,24 @@ def get_content(file):
         content = f.read()
     return markdown(content)
 
+class PrefixMiddleware(object):
+    def __init__(self, app, prefix=""):
+        self.app = app
+        self.prefix = prefix
+
+    def __call__(self, environ, start_response):
+
+        if environ["PATH_INFO"].startswith(self.prefix):
+            environ["PATH_INFO"] = environ["PATH_INFO"][len(self.prefix) :]
+            environ["SCRIPT_NAME"] = self.prefix
+            return self.app(environ, start_response)
+        else:
+            start_response("404", [("Content-Type", "text/plain")])
+            return ["This url does not belong to the app.".encode()]
+            
 app = Flask(__name__)
+# register the middleware to prefix all the requests with our base_url
+app.wsgi_app = PrefixMiddleware(app.wsgi_app, prefix='/soupboat/diyry')
 
 @app.route("/")
 def home():
@@ -34,4 +51,4 @@ def issue(slug):
 def file(slug, file):
     return send_from_directory(f"issues/{slug}", file)
 
-app.run(port=3000, debug=True)
+app.run(port=3152, debug=True)