initial commit

2018-07-02 10:59:57 +02:00
commit df2c704270
64 changed files with 28611 additions and 0 deletions
--- a/web/status.py
+++ b/web/status.py
@@ -0,0 +1,106 @@
+#!/usr/bin/python3
+import os
+import sys
+import cherrypy
+import influxdb
+import time
+import json
+
+# Universal variables
+_SCRIPT_PATH = os.path.dirname(sys.argv[0])
+_STATIC_DIR = '/templates/' # Needs to have trailing and leading slash '/'
+
+influx_host = 'localhost'
+influx_port = 8086
+influx_user = 'pi'
+influx_pwd = 'freedavis'
+influx_status_db = 'status'
+
+# Icons
+fs_sol_icon = '../static/img/iss_solar_icon.png'
+fs_cap_icon = '../static/img/iss_capacitor_icon.png'
+
+# Functions
+def read_html(filename):
+    read_path = _SCRIPT_PATH + _STATIC_DIR + filename + '.html'
+    try:
+        with open(read_path, 'r') as handle:
+            return handle.read()
+    except:
+        return """<div>ERROR!</div>""" + read_path
+
+# Set default structure
+
+html_start = '<html>'
+body_start = '<body>'
+body_close = '</body>'
+html_close = '</html>'
+
+class StatusInfo(object):
+    @cherrypy.expose
+    def index(self):
+        header = read_html('header')
+        menu_raw = read_html('top_menu')
+        menu = menu_raw.format(energy = '', weather = '', status = 'active')
+        body = self.body()
+        footer = read_html('footer')
+        result = header\
+               + menu\
+               + body\
+               + footer
+        return result
+
+    def LastKnownState(self):
+        '''
+        Function to get energy readings from InfluxDB.
+
+        returns:
+            dict(): {"time": str(time_stamp),
+                     "solar": solar,
+                     "cap": cap}
+        '''
+
+        influx_status_client = influxdb.client.InfluxDBClient(
+            influx_host, influx_port, influx_user, influx_pwd, influx_status_db
+        )
+
+        # General query
+        query1 = "SELECT time, voltage FROM iss WHERE type = "
+        query2 = "ORDER BY time DESC LIMIT 1"
+
+        # now parse the tag in the middle of the two q from above
+        solar_q = "{} '{}' {}".format(query1, "solar", query2)
+        cap_q = "{} '{}' {}".format(query1, "capcaitor", query2)
+
+        # the actual query to DB
+        solar = influx_status_client.query(solar_q)
+        cap = influx_status_client.query(cap_q)
+
+        # returned is a list, in this case, we just need one value [0]
+        result_solar = [sol for sol in solar][0][0]
+        result_cap = [cap_ for cap_ in cap][0][0]
+
+        # Put the time to a uhman readable format, strip nanosecs
+        time_stamp = time.strptime(result_solar['time'].split('.')[0],
+                                       "%Y-%m-%dT%H:%M:%S")
+        result = {}
+
+        # Construct the result to return
+        result.update({"time": time_stamp})
+        result.update({"solar": round(result_solar['voltage'], 1)})
+        result.update({"cap": round(result_cap['voltage'], 1)})
+        return result
+
+
+    def body(self):
+        admin_preformat = read_html('status_admin')
+        current_status = self.LastKnownState()
+        admin_html = admin_preformat.format(
+                timestamp = time.strftime("%d.%m.%Y %H:%M:%S",
+                                        current_status['time']),
+                sol_icon = fs_sol_icon,
+                cap_icon = fs_cap_icon,
+                sol_value = round(current_status['solar'] / 100, 2),
+                cap_value = current_status['cap']
+                )
+        return admin_html