Re: Does Django care about max_query_params? [feature request]

[Jason]

What db are you using? This might also be an issue for your db connector 
lib 
On Monday, June 27, 2022 at 10:49:40 AM UTC-4 gurov...@gmail.com wrote:

> Hi, all!
>
> Gotta problem with the number of query params. We're using a backend, 
> which connects to a cloud database, and at some point we suddenly started 
> getting such an error:
>
> *Number of parameters in query exceeds the maximum allowed limit of 950*
>
> Appearing on this step:
>
>
> *django/django/contrib/auth/management/__init__.py", line 83, in 
> create_permissionsPermission.objects.using(using).bulk_create(perms)*
>
> 950 query params is the max number for our backend, and we set the 
> *DatabaseFeatures.max_query_params 
> *to 900. Still, it looks like Django doesn't care.
>
> Because of this all of our tests stopped working, bringing a lot of 
> inconveniences during development. Seems to me that it should be fixed on 
> Django side, centralized, 'cause it's unlikely we're the only who met and 
> will meet the problem in future.
>
>

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Re: How to ignoring columns on model save

[Jason]

https://code.djangoproject.com/ticket/21454

there's an open ticket about this, some things might help you there.  But 
right now, there's no easy way to get around this

On Monday, June 27, 2022 at 5:36:50 AM UTC-4 ro...@tonic-solutions.com 
wrote:

> I have a model that is backed by a database table that contains a 
> read-only column that is maintained by the database using Postgresql's 
> Generated Columns (i.e. using GENERATED ALWAYS AS) - see 
> https://www.postgresql.org/docs/current/ddl-generated-columns.html.
>
> When Django saves the model, it tries to set the field, which throws 
> `django.db.utils.ProgrammingError: cannot insert into column "_search". 
> DETAIL: Column "_search" is a generated column.
>
> Is there any way to tell Django not to attempt to insert that field?
>
> From what I can tell `editable=False` doesn't prevent Django from trying 
> to save it - which makes sense for fields that aren't editable by users but 
> are calculated by the model class, e.g. in `save()`.
>
> I know I could set `something like `instance.save(update_fields=[field for 
> field in instance._meta.fields if field.name != "_search")` but it would 
> need to be set on every save for that model throughout the application, 
> which seems like a lot of technical debt and likely to trip up other 
> developers as they maintain the application.
>
> Is there anything that I can set on the field instance in the model to 
> tell Django that it is maintained by the database?
>
> If not, please can anyone suggest a way to add code to the model to make 
> it ignore the field when saving?
>
> Thanks
>
> Roger
>

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Re: Removing "Invalid HTTP_HOST header" msgs with nginx.conf default server NOT working

[cseb...@gmail.com]

Thanks so much.  I'll try it.  And your solution has no need for Nginx 
tweaking.  I love it.

cs

On Sunday, June 26, 2022 at 12:50:02 PM UTC-5 Mr.Teapot wrote:

> Please take a look on the ALLOWED_HOSTS documentation 
> https://docs.djangoproject.com/en/4.0/ref/settings/#allowed-hosts.
>
> *A list of strings representing the host/domain names that this Django 
> site can serve. This is a security measure to prevent HTTP Host header 
> attacks 
> ,
>  
> which are possible even under many seemingly-safe web server 
> configurations.*
>
> Assuming 3.208.32.109 is your server IP you should add it to ALLOWED_HOSTS.
>
> piątek, 24 czerwca 2022 o 19:00:23 UTC+2 cseb...@gmail.com napisał(a):
>
>> I constantly get the errors below in my Django server logs.  To try to 
>> remove this,
>> I added this to my  Nginx server's nginx.conf file but it didn't work
>>
>> server {
>>
>> listen 80 default_server;
>>
>> return 444;
>>
>> }
>>
>> What else can I do to remove these errors below this line???
>>
>> Invalid HTTP_HOST header: '3.208.32.109'. You may need to add 
>> '3.208.32.109' to ALLOWED_HOSTS.
>>
>> Invalid HTTP_HOST header: '3.208.32.109'. You may need to add 
>> '3.208.32.109' to ALLOWED_HOSTS.
>>
>> Invalid HTTP_HOST header: '3.208.32.109'. You may need to add 
>> '3.208.32.109' to ALLOWED_HOSTS.
>>
>> Invalid HTTP_HOST header: '3.208.32.109'. You may need to add 
>> '3.208.32.109' to ALLOWED_HOSTS.
>>
>> Invalid HTTP_HOST header: '3.208.32.109'. You may need to add 
>> '3.208.32.109' to ALLOWED_HOSTS.
>>
>> Invalid HTTP_HOST header: '3.208.32.109'. You may need to add 
>> '3.208.32.109' to ALLOWED_HOSTS.
>>
>> Invalid HTTP_HOST header: '3.208.32.109:443'. You may need to add 
>> '3.208.32.109' to ALLOWED_HOSTS.
>>
>> Invalid HTTP_HOST header: '3.208.32.109'. You may need to add 
>> '3.208.32.109' to ALLOWED_HOSTS.
>>
>>

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Vincular Usuário

[Solange Carvalho]

Trabalho com multi-empresas e gostaria de saber como vincular o cadastro de 
uma empresa a um usuário.
Exemplo:
Um usuário só acessa os dados de uma empresa e tudo vinculado a ela.
Um usuário pode selecionar qual empresa acessar ou todas.

Como programar?

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Re: Kindly Help

['Kasper Laudrup' via Django users]

On 27/06/2022 21.14, Habib ur rehman wrote:

raise MigrationSchemaMissing(
django.db.migrations.exceptions.MigrationSchemaMissing: Unable to create the 
django_migrations table ((1064, "You have an error
in your SQL syntax; check the manual that corresponds to your MySQL server version 
for the right syntax to use near '(6) NOT NULL)' at line 1"))



This should provide the help you need:

http://www.catb.org/~esr/faqs/smart-questions.html

Kind regards,

Kasper Laudrup

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Turn Django Web App to Mobile App

[Lightning Bit]

Hello all, 

Where should one start to convert a Django Web App into a Mobile App for 
the Play Store and Apple Store? Appreciate the help!

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Re: Turn Django Web App to Mobile App

[Ryan Nowakowski]

I've used Cordova before

https://cordova.apache.org/

On June 28, 2022 3:26:04 PM CDT, Lightning Bit 
 wrote:
>Hello all, 
>
>Where should one start to convert a Django Web App into a Mobile App for 
>the Play Store and Apple Store? Appreciate the help!
>
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Re: Need some help

[Ryan Nowakowski]

Yup

On June 26, 2022 8:11:01 PM CDT, Rohit Lohar  wrote:
>Can I make a form with the help of htmx such that the whole form has a
>small container is dynamic and else whole part is static?
>
>On Mon, Jun 27, 2022, 4:07 AM Ryan Nowakowski  wrote:
>
>> If you want the initial input field value to change dynamically when the
>> select field option changes, there's a bunch of different ways to do this.
>> My current favorite is htmx
>>
>> https://htmx.org/
>>
>> - Ryan
>>
>>
>>
>> On June 26, 2022 5:10:19 AM CDT, Rohit Lohar 
>> wrote:
>>>
>>> Hi there,
>>> I am currently making a form where the user will have a option to select
>>> from the drop down and an input field next to it. So basically the drop
>>> down will have the list of products and the input field will be having an
>>> initial value depending upon the choice selected by user. The product name
>>> and price have their seperate table so how can I achieve this.
>>> Thank you
>>>
>>> --
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>> 
>> .
>>
>
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Re: How to ignoring columns on model save

[Ryan Nowakowski]

On June 27, 2022 4:36:49 AM CDT, "ro...@tonic-solutions.com" 
 wrote:
>I know I could set `something like `instance.save(update_fields=[field for 
>field in instance._meta.fields if field.name != "_search")` but it would 
>need to be set on every save for that model throughout the application, 
>which seems like a lot of technical debt and likely to trip up other 
>developers as they maintain the application.

You could override the save method on your model to always exclude _search from 
update_fields. That way you DRY.

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Re: Turn Django Web App to Mobile App

[King Niko]

Thank you my friend!

On Tue, Jun 28, 2022 at 17:09 Ryan Nowakowski  wrote:

> I've used Cordova before
>
> https://cordova.apache.org/
>
> On June 28, 2022 3:26:04 PM CDT, Lightning Bit <
> thelegendofearthretu...@gmail.com> wrote:
>>
>> Hello all,
>>
>> Where should one start to convert a Django Web App into a Mobile App for
>> the Play Store and Apple Store? Appreciate the help!
>>
>> --
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> 
> .
>

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