Deferred reverse geo coding upon record save/update

I have application where mobile devices are collecting data from
sensors, and along with sensor reading they also save gps co-ordinates
where the sensor data is taken. This is uploaded to web server using
REST interface on django platform.

But I am trying to figure out how do I reverse geo decode those
lat/lang numbers to actual address using google reverse geo-coder
APIs. I know I could do this in save method but that would make save
operation slower. Is there some way I can queue these operations
within django implementation so the save can proceed but queue up a
job that will reverse geo-decode lat/long and update a record.

Say:

My REST api creates a new record in table sensordata, with lat, long
of (10.1, -120.202) what I want to happen is new record for sensordata
say unique id 1234 gets created. At the same time job is queued
somewhere that will update record #1234 that will reverse geo-decode
10.1,-120.202 to the street address.

-Subodh

-Subodh

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