Web server (#7)

* Web Server

* Preparations for 1.3

* Fixes

* Fix Lint

esphomeyaml/components/web_server.py

@@ -0,0 +1,29 @@
+import logging
+
+import voluptuous as vol
+
+import esphomeyaml.config_validation as cv
+from esphomeyaml.const import CONF_PORT, CONF_JS_URL, CONF_CSS_URL, CONF_ID
+from esphomeyaml.helpers import App, add, Pvariable
+
+_LOGGER = logging.getLogger(__name__)
+
+CONFIG_SCHEMA = vol.Schema({
+    cv.GenerateID('web_server'): cv.register_variable_id,
+    vol.Optional(CONF_PORT): cv.port,
+    vol.Optional(CONF_CSS_URL): vol.Url,
+    vol.Optional(CONF_JS_URL): vol.Url,
+})
+
+
+def to_code(config):
+    rhs = App.init_web_server(config.get(CONF_PORT))
+    web_server = Pvariable('WebServer', config[CONF_ID], rhs)
+    if CONF_CSS_URL in config:
+        add(web_server.set_css_url(config[CONF_CSS_URL]))
+    if CONF_JS_URL in config:
+        add(web_server.set_js_url(config[CONF_JS_URL]))
+
+
+def build_flags(config):
+    return '-DUSE_WEB_SERVER'