Consolidate frontend (#468)

* Consolidate frontend

* Remove no longer needed cd

* Get Roboto from bower_components

* Remove external dependency from update_mdi.py

* Copy leaflet assets on build time

* Tweak Dockerfile

* Create Python package

* Set zip_safe to False

* Update build scripts

* Version bump to 20171021.0

* Fix service worker

* Version bump to 20171021.2

* Update docker ignore

* Tweak Dockerfile thanks to Adam

script/fingerprint_frontend.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+"""Generate a file with all md5 hashes of the assets."""
+
+from collections import OrderedDict
+import glob
+import hashlib
+import json
+
+fingerprint_file = './hass_frontend/__init__.py'
+base_dir = 'hass_frontend/'
+
+
+def fingerprint():
+    """Fingerprint the frontend files."""
+    files = (glob.glob(base_dir + '**/*.html') +
+             glob.glob(base_dir + '*.html') +
+             glob.glob(base_dir + 'core.js') +
+             glob.glob(base_dir + 'compatibility.js'))
+
+    md5s = OrderedDict()
+
+    for fil in sorted(files):
+        name = fil[len(base_dir):]
+        with open(fil) as fp:
+            md5 = hashlib.md5(fp.read().encode('utf-8')).hexdigest()
+        md5s[name] = md5
+
+    template = "FINGERPRINTS = {}\n"
+    result = template.format(json.dumps(md5s, indent=4))
+
+    with open(fingerprint_file, 'at') as fp:
+        fp.write(result)
+
+
+if __name__ == '__main__':
+    fingerprint()