On Thursday 23 February 2017 13:06:31 ludovic coues wrote:
> Notice how Brian print self.rfid before and after affecting the new
> value. The second print should display the updated data. As it is not
> the case, I highly doubt save will change the value in db.
The two prints are different. How di
Notice how Brian print self.rfid before and after affecting the new value.
The second print should display the updated data. As it is not the
case, I highly doubt save will change the value in db.
Ok, look like I misread the code when writing my previous reply.
Now I'm all curious about how did y
On Wednesday 22 February 2017 14:47:55 Brian O'Connell wrote:
> def set_rfid(self,rfid_new):
> print self.rfid # print the existing object data
> try:
> self.rfid = bytearray(rfid_new)
> print self.rfid
> except Exception as ex:
> tem
As you have editable = True, I assume you have read the code a bit. I
personnaly stopped reading after RegisterLookupMixin. If looking at
the code don't give you a solution, I would try to fallback to raw
SQL. That might be a skill more useful than the ability to update
BinaryField :)
2017-02-22 2
The database is pre-existing and I'm creating a Django web interface for
it. This object holds the 8-digit hex output of the unique mfr identifier
of the MiFare rfids. There are remote terminals that interact with database
through psycopg2 and have no issue with that field.
I could change the
I have the model set up as a binaryfield. The problem is I have no idea how
to save the information to it. I can retrieve information from it easy
enough but if I try and enter in new information, saved in the same format
as that it returns
Here's what I have in model.py
class Users(models.Mod
Can't you use django's BinaryField ?
2017-02-22 20:09 GMT+01:00 Shawn Milochik :
> Why not base64 encode it and just store it in a charfield? There doesn't
> seem to be any compelling reason to store it in binary.
>
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Why not base64 encode it and just store it in a charfield? There doesn't
seem to be any compelling reason to store it in binary.
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I have a project where I am saving RFID information (which comes in as hex
strings) to a bytea object in my postgres database. I can retrieve this
information without issue. I am struggling to overwrite that object with
new data (For when someone loses their rfid and needs to replace it). I
hav
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