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/update_mdi.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+"""Download the latest Polymer v1 iconset for materialdesignicons.com."""
+import os
+import re
+import sys
+import urllib.request
+
+GETTING_STARTED_URL = ('https://raw.githubusercontent.com/Templarian/'
+                       'MaterialDesign/master/site/getting-started.savvy')
+DOWNLOAD_LINK = re.compile(r'(/api/download/polymer/v1/([A-Z0-9-]{36}))')
+START_ICONSET = '<iron-iconset-svg'
+
+OUTPUT_BASE = 'hass_frontend'
+ICONSET_OUTPUT = os.path.join(OUTPUT_BASE, 'mdi.html')
+
+
+def get_text(url):
+    with urllib.request.urlopen(url) as f:
+        return f.read().decode('utf-8')
+
+
+def get_remote_version():
+    """Get current version and download link."""
+    gs_page = get_text(GETTING_STARTED_URL)
+
+    mdi_download = re.search(DOWNLOAD_LINK, gs_page)
+
+    if not mdi_download:
+        print("Unable to find download link")
+        sys.exit()
+
+    return 'https://materialdesignicons.com' + mdi_download.group(1)
+
+
+def clean_component(source):
+    """Clean component."""
+    return source[source.index(START_ICONSET):]
+
+
+def write_component(source):
+    """Write component."""
+    with open(ICONSET_OUTPUT, 'w') as outp:
+        print('Writing icons to', ICONSET_OUTPUT)
+        outp.write(source)
+
+
+def main():
+    """Main section of the script."""
+    # All scripts should have their current work dir set to project root
+    if os.path.basename(os.getcwd()) == 'script':
+        os.chdir('..')
+
+    print("materialdesignicons.com icon updater")
+
+    remote_url = get_remote_version()
+    source = clean_component(get_text(remote_url))
+    write_component(source)
+
+    print('Updated to latest version')
+
+
+if __name__ == '__main__':
+    main()