--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/weather_server/server.py	Sun Sep 29 00:52:13 2019 -0400
@@ -0,0 +1,69 @@
+import bson
+import flask
+
+from . import common
+from . import locations
+from . import types
+
+
+def build_app(root_directory: str) -> flask.Flask:
+    locs = locations.Locations(root_directory)
+    app = flask.Flask(__name__)
+
+    @app.route('/favicon.ico')
+    def favicon():
+        return flask.send_file('static/favicon.ico')
+
+    @app.route('/')
+    def home():
+        return 'Weather server'
+
+    @app.route('/_submit', methods=['POST'])
+    def submit():
+        req = flask.request
+        target = req.args.get('location')
+        if not target:
+            flask.abort(404)
+        try:
+            target_loc = locs.get(target)
+        except KeyError:
+            flask.abort(404)
+
+        password = req.args.get('password')
+        if password != target_loc.password:
+            flask.abort(401)
+
+        reader = bson.decode_file_iter(
+            req.stream, codec_options=common.BSON_OPTIONS)
+        entries = [
+            types.Reading.from_now(
+                sample_time=item['sample_time'],
+                temp_c=item['temp_c'],
+                rh_pct=item['rh_pct'],
+            )
+            for item in reader
+        ]
+        target_loc.logger.write_rows(entries)
+        return {'status': 'OK'}
+
+    @app.route('/<location>')
+    def show(location):
+        try:
+            loc, logger = locs.get(location)
+        except KeyError:
+            flask.abort(404)
+        data = logger.data
+        if data:
+            last_reading = data[-1]
+            tz = loc.timezone
+            date = tz.normalize(last_reading.sample_time.astimezone(tz))
+        else:
+            last_reading = None
+            date = None
+        return flask.render_template(
+            'location.html',
+            location=loc,
+            last_reading=last_reading,
+            date=date)
+
+    return app