split the controllers into separate files

owrx/controllers/template.py

@@ -0,0 +1,40 @@
+from . import Controller
+import pkg_resources
+from string import Template
+from abc import ABCMeta
+
+
+class TemplateController(Controller, metaclass=ABCMeta):
+    def render_template(self, file, **vars):
+        file_content = pkg_resources.resource_string("htdocs", file).decode("utf-8")
+        template = Template(file_content)
+
+        return template.safe_substitute(**vars)
+
+    def serve_template(self, file, **vars):
+        self.send_response(self.render_template(file, **vars), content_type="text/html")
+
+    def default_variables(self):
+        return {}
+
+
+class WebpageController(TemplateController, metaclass=ABCMeta):
+    def template_variables(self):
+        header = self.render_template("include/header.include.html")
+        return {"header": header}
+
+
+class IndexController(WebpageController):
+    def handle_request(self):
+        self.serve_template("index.html", **self.template_variables())
+
+
+class MapController(WebpageController):
+    def handle_request(self):
+        # TODO check if we have a google maps api key first?
+        self.serve_template("map.html", **self.template_variables())
+
+
+class FeatureController(WebpageController):
+    def handle_request(self):
+        self.serve_template("features.html", **self.template_variables())