I took some time (and had some help) to write two python scripts which will obtain the Regenerating device auth and retrieve the XML Guide automatically *i have a paid subscription*. I use this in conjunction with a Plex DVR setup to refresh the guide nightly. Hope this is useful.

"get_device_auth ...

Wrong Guide Data
Hello I have found the wrong or missing guide data for a number of my local channels (they recently moved/changed):

Model: HDFX-4US
Device ID: 10B1A244
CH 45.1 Guide states - Movie Sphere Gold; Should be - REV'N
CH 45.2 Guide states - NTD; Should be - ACTION Channel
CH 45.3 Guide ...