[mythtv-users] find_orphans.py not working as expected

[Gary Raposo]

On 2020-05-13 2:30 p.m., Bill Meek wrote:
>> On 5/13/20 12:58 PM, Gary Raposo wrote:
>>> Hello all,
>>>
>>> During this extended period of physical distancing, I decided to 
>>> rebuild my MythTV system. Overall it was a fairly smooth process and 
>>> I'm now running MythTV 31 (installed from the RPM Fusion repo) on 
>>> Fedora 31. Everything seems to be working as expected except for 
>>> find_orphans.py. On my previous system I was using the old 
>>> myth.find_orphans.pl so this is my first experience with 
>>> find_orphans.py. My ultimate goal is to schedule find_orphans.py to 
>>> run on a regular basis so that it will send an email if it 
>>> encounters any issues.
>>>
>>> I've copied the code from 
>>> https://www.mythtv.org/wiki/Find_orphans.py (find_orphans.py (for 
>>> v31+)) and it runs but the results are a little confusing. Basically 
>>> find_orphans.py returns every single recording as "Recordings with 
>>> missing files".
>>>
>>> $ ./find_orphans.py
>>> Recordings with missing files
>>> ...
>>>    odysseus: Saturday Night Live - SNL At 
>>> Home                                10201_20200510032700.ts
>>> ...
>>> Count:         127
>>> Please select from the following
>>>   1. Delete orphaned recording entries
>>>   2. Refresh list
>>>  >
>>>
>>> I can confirm that the relevant files are in the recordings 
>>> directory (e.g., 10201_20200510032700.ts). I can see and play the 
>>> recording via mythfrontend as well as mythweb. Everything seems to 
>>> be in order except for the find_orphans.py output.
>>>
>>> Is anyone else having issues with find_orphans.py? I'm not 
>>> proficient with Python so looking for any tips, tricks, or guidance 
>>> on how to get find_orphans.py working.
>>
>> "Works for me". Begin guess mode.
>>
>> New host (and/or new hostname)? What do these return:
>>
>>   curl --header 'Accept:application/json' 
>> localhost:6544/Myth/GetHostName
>>   hostname
>>
>> As to scheduling, the program is interactive (so you must say yes to 
>> things to be deleted.)
>>

Bill, just wanted to revisit the interactive nature of find_orphans.py. 
I've been looking at Python long enough to be dangerous now. I copied 
find_orphans.py to find_orphans_cron.py and changed the main function to:

def main(host=None):
     recs, zerorecs, orphvids, orphimgs, dbbackup, unfiltered = 
populate(host)

     if len(recs):
         printrecs("Recordings with missing files", recs)
     if len(zerorecs):
         printrecs("Zero byte recordings", zerorecs)
     if len(orphvids):
         printfiles("Orphaned video files", orphvids)
     if len(orphimgs):
         printfiles("Orphaned snapshots", orphimgs)
     if len(unfiltered):
         printfiles("Other files", unfiltered)

I stripped everything else out so that it just runs through with no 
input expected/required. I then dropped find_orphans_cron.py into cron 
so that it runs on a regular basis. I can review the report and launch 
the interactive find_orphans.py if needed to clean up.

Not exactly elegant but it gets the job done :)

Gary