Merge pull request #128 from dave-ct/low_disk_space_upload

Attempt to upload cached files when low disk space

main.py

@@ -23,10 +23,15 @@
 # from phew import logging
 # logging.disable_logging_types(logging.LOG_DEBUG)
 
+# Issue #117 where neeed to sleep on startup otherwis emight not boot
+from time import sleep
+sleep(0.5)
+
 # import enviro firmware, this will trigger provisioning if needed
 import enviro
 import os
 
+
 try:
   # initialise enviro
   enviro.startup()
@@ -42,7 +47,19 @@
   if enviro.low_disk_space():
     # less than 10% of diskspace left, this probably means cached results
     # are not getting uploaded so warn the user and halt with an error
-    enviro.halt("! low disk space")
+
+    # Issue #126 to try and upload if disk space is low
+    # is an upload destination set?
+    if enviro.config.destination:
+      enviro.logging.error("! low disk space. Attempting to upload file(s)")
+
+      # if we have enough cached uploads...
+      enviro.logging.info(f"> {enviro.cached_upload_count()} cache file(s) need uploading")
+      if not enviro.upload_readings():
+        enviro.halt("! reading upload failed")
+    else:
+      # no destination so go to sleep
+      enviro.halt("! low disk space")
 
   # TODO this seems to be useful to keep around?
   filesystem_stats = os.statvfs(".")