get working

feeder/README.md

@@ -4,8 +4,9 @@ This is an MQTT sensor to send NOAA space weather data to Home Assistant. Fetchi
 
 1. Create an account at <https://urs.earthdata.nasa.gov>
 2. `pip install -r requirements.txt`
-3. `sudo apt install p7zip-full redis-server`
-4. `sudo systemctl enable --now redis-server`
+3. `sudo apt-get install p7zip-full redis-server`
+4. `sudo apt-get install dvipng texlive-latex-extra texlive-fonts-recommended cm-super`
+5. `sudo systemctl enable --now redis-server`
 
 ### Google Chrome
 

feeder/cache.py

@@ -1,11 +1,8 @@
 import logging
 import os
 import pickle
-import signal
 import sys
-import threading
 import time
-import traceback
 from datetime import datetime
 
 from redis import Redis
@@ -22,8 +19,7 @@ if not CDDIS_USERNAME or not CDDIS_PASSWORD:
     sys.exit(1)
 
 
-def update_cache():
-    try:
+def main():
     redis = Redis(host='localhost', port=6379, db=0)
     redis.flushall()
     while True:
@@ -38,12 +34,7 @@ def update_cache():
         redis.set('tecmap_data', pickle.dumps(parsed_data))
         logging.info('Scrape complete')
         time.sleep(1800)  # 30 minutes
-    except:
-        logging.critical(traceback.format_exc())
-        os.kill(os.getpid(), signal.SIGKILL)
 
 
 if __name__ == '__main__':
-    threading.Thread(target=update_cache).start()
-    while True:
-        time.sleep(3600)
+    main()

feeder/global-image.py

@@ -22,7 +22,6 @@ LON_RANGE_MAX = 180
 def main():
     redis = Redis(host='localhost', port=6379, db=0)
 
-    while True:
     utc_hr = datetime.utcnow().hour
     logging.info(f'Generating plot for hour {utc_hr}')
 
@@ -34,7 +33,6 @@ def main():
     for tecmap, epoch in ionex_data:
         if epoch.hour == utc_hr:
             plt = plot_tec_map(tecmap, [float(LON_RANGE_MIN), float(LON_RANGE_MAX)], [float(LAT_RANGE_MIN), float(LAT_RANGE_MAX)], timestamp=epoch)[1]
-
             buf = io.BytesIO()
             plt.savefig(buf, format='png', bbox_inches='tight', pad_inches=0, dpi=110)
             plt.close()
@@ -47,11 +45,12 @@ def main():
 
             redis.set('global_map', buf.getvalue())
             buf.close()
+    logging.info(f'Finished hour {utc_hr}')
 
 
 if __name__ == '__main__':
     main()
-    schedule.every().hour.at(":00").do(main)
+    schedule.every().hour.at(':00').do(main)
     while True:
         schedule.run_pending()
         time.sleep(1)