date:20160331

Re: Django + Nginx + X-Accel-Redirect

2016-03-31 Thread Kristofer Pettijohn

Try changing file_url to be relative: 

file_url = '/media/users/avatar.png' 

Also check the nginx error log to make sure the path is being constructed 
properly by nginx. 


From: "Neto"  
To: "Django users"  
Sent: Thursday, March 31, 2016 11:04:07 AM 
Subject: Django + Nginx + X-Accel-Redirect 

How do I access protected directories using Django? I have the following 
configuration but is not working, there is always page 404 when I try to access 
the directory. 

Django: 

def test ( request ): 
file_url = 'http://mysite.com/media/users/avatar.png' 
response = HttpResponse () 
response [ 'X-Accel-Redirect' ] = file_url 
return response 

Nginx: 

server { 
listen 80 ; 
server_name mysite . com ; 

location / media / { 
internal ; 
alias / home / ubuntu / webapps / myapp / media /; 
} 
} 





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Re: django admin_tools et file edition

2016-03-31 Thread Alex Heyden

CKEditor is appropriate for files that need solid typography and
formatting. If you're looking for something simpler, Markdown is a common
solution. Markdown is a markup syntax widespread on internet forums.

None of those really address "configuration files," though. Is fancy
formatting actually the problem you're trying to solve? Are you trying to
find a way to save and edit files on a hard drive? Save text to a database
to affect the behavior of your website? Something else?

On Thu, Mar 31, 2016 at 11:51 AM, vassilux  wrote:

> Hi alls,
> It is my first django project and   I look for a solution to edit files,
> for exemple allow to an "advanced user" editing configuration files.
>
>
> I looked into django-ckeditor
>   but it is
> not clear for the moment
>
> Where  I can look for informations / examples ?
>
>
> Thanks
>
>
>
>
>
> --
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> 
> .
> For more options, visit https://groups.google.com/d/optout.
>

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Re: Issue with django docs translations and google indexing

2016-03-31 Thread Tim Graham

See https://github.com/django/djangoproject.com/issues/621 for some recent 
improvements we tried to fix this. Perhaps more needs to be done but things 
look better for me since that change.

On Thursday, March 31, 2016 at 1:40:26 PM UTC-4, Piotr Gnus wrote:
>
> Hello,
>
> when translations were implemented in django docs, there is an issue with 
> google indexing documentation pages - all language versions are indexed as 
> english language, so searching for particular documentation page from 
> google gives results on non-english documentation versions if your language 
> is set to english in google. And it can be random, some results are in 
> Japanese, some in Spanish, some in other languages.
>
> Issue is probably caused by 'lang="en"' being set in  tag for all 
> languages. Setting it to proper language should stop google indexing all 
> languages as english.
>

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Issue with django docs translations and google indexing

2016-03-31 Thread Piotr Gnus

Hello,

when translations were implemented in django docs, there is an issue with 
google indexing documentation pages - all language versions are indexed as 
english language, so searching for particular documentation page from 
google gives results on non-english documentation versions if your language 
is set to english in google. And it can be random, some results are in 
Japanese, some in Spanish, some in other languages.

Issue is probably caused by 'lang="en"' being set in  tag for all 
languages. Setting it to proper language should stop google indexing all 
languages as english.

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django admin_tools et file edition

2016-03-31 Thread vassilux

Hi alls,
It is my first django project and   I look for a solution to edit files, 
for exemple allow to an "advanced user" editing configuration files.


I looked into django-ckeditor 
  but it is not 
clear for the moment

Where  I can look for informations / examples ?


Thanks





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Re: Redefine html properties in widget

2016-03-31 Thread Tim Graham

Some attributes such as IntegerField.min_value need to be customized on the 
field rather than the widget. This will ensure that validation is also done 
server-side. (see 
https://github.com/django/django/blob/f3595b25496691966d4ff858a3b395735ad85a6e/django/forms/fields.py#L278-L285
 
for example)

On Thursday, March 31, 2016 at 11:47:34 AM UTC-4, Denis Makarov wrote:
>
> Hello!
>
> I have my own ModelForm with widgets in Meta class.
>
> class Meta:
>
>  model = Foods 
>
>  fields = '__all__' 
>
>  widgets = { 
>
>  'quantity': NumberInput(attrs={'min': 1, 'max': 10, 'name': "quantity2"
> }), 
>
>  'comment': TextInput(), 
>
>  }
>
>
> My quantity field have NumberInput as standard.
>
> I want to redefine html properties such name and min value.
>
> But when I did this (code above), my fiend quantity have old values (name 
> and min value). Max value correct.
>
> Quantity:  max="10" min="0" name="quantity" type="number" value="1" />
>
> Django (1.9.4)
>
> What's wrong?
>
>

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Django + Nginx + X-Accel-Redirect

2016-03-31 Thread Neto

How do I access protected directories using Django? I have the following 
configuration but is not working, there is always page 404 when I try to 
access the directory.

*Django:*

def test(request):
file_url = 'http://mysite.com/media/users/avatar.png'
response = HttpResponse()
response['X-Accel-Redirect'] = file_url
return response

*Nginx:*

server {
listen 80;
server_name mysite.com;

location /media/ {
internal;
alias /home/ubuntu/webapps/myapp/media/;
}
}



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Redefine html properties in widget

2016-03-31 Thread Denis Makarov

Hello!

I have my own ModelForm with widgets in Meta class.

class Meta:

 model = Foods 

 fields = '__all__' 

 widgets = { 

 'quantity': NumberInput(attrs={'min': 1, 'max': 10, 'name': "quantity2"}), 

 'comment': TextInput(), 

 }


My quantity field have NumberInput as standard.

I want to redefine html properties such name and min value.

But when I did this (code above), my fiend quantity have old values (name 
and min value). Max value correct.

Quantity: 

Django (1.9.4)

What's wrong?

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Re: run python function in output of annotated query

2016-03-31 Thread Fabio C. Barrionuevo da Luz

no specific reason. This value is later converted to json, and consumed by
javascript from Ajax call..

this was the simplest way I thought, without being obliged to rewrite an
one ton of code.

( yes it is a lovely project with spaghetti code, which I hope will one day
be authorized to rewrite it from scratch.  :-( )



On Thu, Mar 31, 2016 at 11:28 AM, Simon Charette 
wrote:

> Hi Fábio,
>
> Since the deprecation of `SubfieldBase`[1] you must implement a
> `from_db_value()`[2] method to convert the value as returned by the
> database
> to the correct Python object.
>
> Out of curiosity, is there a reason you are doing this the model level? It
> looks like something that belongs to the form or template layer.
>
> Cheers,
> Simon
>
>
> [1] https://docs.djangoproject.com/en/1.9/releases/1.8/#subfieldbase
> [2]
> https://docs.djangoproject.com/en/1.9/ref/models/fields/#django.db.models.Field.from_db_value
>
>
> Le jeudi 31 mars 2016 10:15:38 UTC-4, Fabio Caritas Barrionuevo da Luz a
> écrit :
>>
>> Hello django-users,
>>
>> I have a unmanaged model, of legacy database, used only to read.
>>
>> I need to clean the value of a field returned in a annotated query.
>>
>> I try created a new model field inherits from TextField and override
>> to_python method to clean the value (remove all html using python-bleach),
>> and use in a query like:
>>
>> FooBar.objects.annotate(title=ExpressionWrapper(F('html_title'),
>> output_field=RemoveHTMLTextField())) .
>>
>> I expected the method to_python was called, but it does not.
>>
>> Any idea how to solve this problem?
>>
>> this is probably wrong, but it was the only way I thought so far
>>
>>
>> 
>> import bleach
>> from django.db import models
>> from django.template.defaultfilters import striptags
>> from django.utils.safestring import mark_safe
>>
>>
>> class RemoveHTMLTextField(models.TextField):
>> def to_python(self, value):
>> original_value = super(RemoveHTMLTextField, self).to_python(value)
>> striped_str = striptags(original_value)
>> return mark_safe(bleach.clean(striped_str))
>> 
>>
>>
>>
>>
>> --
>> Fábio C. Barrionuevo da Luz
>> Palmas - Tocantins - Brasil - América do Sul
>>
>> http://pythonclub.com.br/
>>
>> Blog colaborativo sobre Python e tecnologias Relacionadas, mantido
>> totalmente no https://github.com/pythonclub/pythonclub.github.io .
>>
>> Todos são livres para publicar. É só fazer fork, escrever sua postagem e
>> mandar o pull-request. Leia mais sobre como publicar em README.md e
>> contributing.md.
>> Regra básica de postagem:
>> "Você" acha interessante? É útil para "você"? Pode ser utilizado com
>> Python ou é útil para quem usa Python? Está esperando o que? Publica logo,
>> que estou louco para ler...
>>
>> --
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> 
> .
> For more options, visit https://groups.google.com/d/optout.
>



-- 
Fábio C. Barrionuevo da Luz
Palmas - Tocantins - Brasil - América do Sul

http://pythonclub.com.br/

Blog colaborativo sobre Python e tecnologias Relacionadas, mantido
totalmente no https://github.com/pythonclub/pythonclub.github.io .

Todos são livres para publicar. É só fazer fork, escrever sua postagem e
mandar o pull-request. Leia mais sobre como publicar em README.md e
contributing.md.
Regra básica de postagem:
"Você" acha interessante? É útil para "você"? Pode ser utilizado com Python
ou é útil para quem usa Python? Está esperando o que? Publica logo, que
estou louco para ler...

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How to reference previous instance when looping in a template?

2016-03-31 Thread Richard Brockie

Hi,

I'm doing a lot of this type of looping in my templates (from the docs: 
https://docs.djangoproject.com/en/1.9/ref/templates/builtins/#for):


{% for athlete in athlete_list %}
{{ athlete.name }}
{% endfor %}


In this context, I find myself occasionally wanting to refer to data of the 
previous athlete (if the instance exists) while working on the current athlete.

The way I do this right now is within a custom template tag. I copy the data of 
interest into a session variable for use next time the custom template tag is 
called. This works, but I'm wondering if there is a better way?

My thought was the following: what if there existed a .previous property 
attached to the current instance that contains the previous instance for this 
purpose?

IE:


{% for athlete in athlete_list %}
This time: {{ athlete.name }}, last time: {{ athlete.previous.name 
}}
{% endfor %}



athlete.previous would obviously be None the first time round the loop.

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Q() chaining with & returns empty set

2016-03-31 Thread Bai Shun

I've got a problem in using Q()

http://stackoverflow.com/questions/36299975/query-q-is-not-working-as-set-contain-for-related-field-in-django

Let's say we have baskets of fruits. How to filter out those baskets that 
contains all fruits in a given basket?

In this document 
https://docs.djangoproject.com/en/dev/ref/models/querysets/#in 'in' method 
seems will return any basket which contains any of the given fruit. Is 
there any "set_contains" method to be used for filtering ? Such as 
Basket.objects.filter(fruit_set_containsAll=fruitSet) ?

Edit: I found that Q() is *not working* as expected. I'll post the test 
here:

class Basket(models.Model):
weight = models.FloatField(default=1)class Fruitname(models.Model):
name = models.CharField(max_length=32)class Fruit(models.Model):
ofkind = models.ForeignKey(Fruitname, on_delete=models.CASCADE)  
inbasket = models.ForeignKey(Basket, on_delete=models.CASCADE)  
weight = models.FloatField(default=1)

the database is set as 'apple' only in 1 basket, 'pear' in 2 baskets, and 
'banana' in 3 basket:

print Basket.objects.all()print Fruitname.objects.all()[, , ][, , ]

If I try to query with 'apple' and 'banana', it gives empty set !!

print 
Basket.objects.filter(Q(fruit__ofkind__name__in=['apple'])(fruit__ofkind__name__in=['banana'])).distinct()[]

similarly,

print 
Basket.objects.filter(Q(fruit__ofkind__name__in=['banana'])(fruit__ofkind__name__in=['pear'])).distinct()[]

Here's how I use 'in' to filter, it is not what I need which is supposed to 
be an empty set.

print 
Basket.objects.filter(Q(fruit__ofkind__name__in=['apple','pear'])).distinct()[, , ]

The only way that is working properly is chaining with filter:

Basket.objects.filter(fruit__ofkind__name__in=['apple']).filter(fruit__ofkind__name__in=['banana']).distinct()[]

These code is tested with Django 1.9.4 Any explaining? I would undo the 
accepted answer for the moment.

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Re: run python function in output of annotated query

2016-03-31 Thread Simon Charette

Hi Fábio,

Since the deprecation of `SubfieldBase`[1] you must implement a
`from_db_value()`[2] method to convert the value as returned by the database
to the correct Python object.

Out of curiosity, is there a reason you are doing this the model level? It
looks like something that belongs to the form or template layer.

Cheers,
Simon


[1] https://docs.djangoproject.com/en/1.9/releases/1.8/#subfieldbase
[2] 
https://docs.djangoproject.com/en/1.9/ref/models/fields/#django.db.models.Field.from_db_value

Le jeudi 31 mars 2016 10:15:38 UTC-4, Fabio Caritas Barrionuevo da Luz a 
écrit :
>
> Hello django-users,
>
> I have a unmanaged model, of legacy database, used only to read.
>
> I need to clean the value of a field returned in a annotated query.
>
> I try created a new model field inherits from TextField and override 
> to_python method to clean the value (remove all html using python-bleach), 
> and use in a query like:
>
> FooBar.objects.annotate(title=ExpressionWrapper(F('html_title'), 
> output_field=RemoveHTMLTextField())) .
>
> I expected the method to_python was called, but it does not. 
>
> Any idea how to solve this problem?
>
> this is probably wrong, but it was the only way I thought so far
>
>
> 
> import bleach
> from django.db import models
> from django.template.defaultfilters import striptags
> from django.utils.safestring import mark_safe
>
>
> class RemoveHTMLTextField(models.TextField):
> def to_python(self, value):
> original_value = super(RemoveHTMLTextField, self).to_python(value)
> striped_str = striptags(original_value)
> return mark_safe(bleach.clean(striped_str))
> 
>
>
>
>
> -- 
> Fábio C. Barrionuevo da Luz
> Palmas - Tocantins - Brasil - América do Sul
>
> http://pythonclub.com.br/
>
> Blog colaborativo sobre Python e tecnologias Relacionadas, mantido 
> totalmente no https://github.com/pythonclub/pythonclub.github.io .
>
> Todos são livres para publicar. É só fazer fork, escrever sua postagem e 
> mandar o pull-request. Leia mais sobre como publicar em README.md e 
> contributing.md.
> Regra básica de postagem:
> "Você" acha interessante? É útil para "você"? Pode ser utilizado com 
> Python ou é útil para quem usa Python? Está esperando o que? Publica logo, 
> que estou louco para ler...
>
>

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Example to creatre a dataGrid with djblets

2016-03-31 Thread Cristina Martínez Ruedas

I would like to create a datagrid with Django. I have been reading about 
how to do that, but I can't find information about it, almost of them don't 
fix well with Django 1.8

I have read that this is possible with djblets, but I don't know how to 
begin.

Could someone help me? Is there any example for starting.

I think Django is not make to this kind of components. is is true?

Thanks in advance.

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getting error while trying example part-4 in Django 1.9

2016-03-31 Thread Prabhjot Singh

NoReverseMatch: Reverse for 'vote' with arguments '(1,)' and keyword 
arguments '{}' not found. 0 pattern(s) tried: []

link to error 

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run python function in output of annotated query

2016-03-31 Thread Fabio C. Barrionuevo da Luz

Hello django-users,

I have a unmanaged model, of legacy database, used only to read.

I need to clean the value of a field returned in a annotated query.

I try created a new model field inherits from TextField and override
to_python method to clean the value (remove all html using python-bleach),
and use in a query like:

FooBar.objects.annotate(title=ExpressionWrapper(F('html_title'),
output_field=RemoveHTMLTextField())) .

I expected the method to_python was called, but it does not.

Any idea how to solve this problem?

this is probably wrong, but it was the only way I thought so far



import bleach
from django.db import models
from django.template.defaultfilters import striptags
from django.utils.safestring import mark_safe


class RemoveHTMLTextField(models.TextField):
def to_python(self, value):
original_value = super(RemoveHTMLTextField, self).to_python(value)
striped_str = striptags(original_value)
return mark_safe(bleach.clean(striped_str))





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Re: Model share question

2016-03-31 Thread moon jo

That sounds right. Thank you.

On Thursday, March 31, 2016 at 2:19:45 AM UTC-4, Mike Dewhirst wrote:
>
> On 31/03/2016 8:38 AM, moon jo wrote: 
> > I'm new to django and have a question regarding model design. 
> > For practice, I'm working on a web app - a simplified version of imdb 
> > that handles movie and music. 
> > I've created 2 apps; Movies and Music. With main models in both having 
> > the usual fields (title, release date, rating, artist/actor). 
> > My problem is, I don't know where to put the Person model. I want it to 
> > be shared by both apps. 
> > Should there be an app for Person and put the model in there? 
>
> Short answer is yes. Long answer is yes. 
>
> Once you put the app 'person' into INSTALLED_APPS in settings in each of 
> the other two apps you can exploit 'person.Person' in foreign keys and 
> Django will find it. If you prefer using the person model directly you 
> do "from person.models import Person" then just use Person in foreign 
> keys. 
>
> > Thanks. 
> > 
> > -- 
> > You received this message because you are subscribed to the Google 
> > Groups "Django users" group. 
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> > <
> https://groups.google.com/d/msgid/django-users/d28d97f6-37c6-4ef5-89d3-96d538e86b2c%40googlegroups.com?utm_medium=email_source=footer>.
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Re: Test Client response.json() UnicodeDecodeError

2016-03-31 Thread Tim Graham

Looks reasonable, although I am not entirely clear what role charset has in 
a JsonResponse. See https://code.djangoproject.com/ticket/23949.

On Thursday, March 31, 2016 at 6:15:53 AM UTC-4, Daniel Blasco wrote:
>
> Hi,
>
> I'm testing the REST API of my application and I found an error that I 
> think that's a Django's issue.
>
> I'm using:
>
>- Django==1.9.4
>- djangorestframework==3.3.3
>
>
> I have set the rest framework setting UNICODE_JSON to True.
>
> When i'm testing a JSON response that contains a special character like 
> 'á' then I get a UnicodeDecodeError. This is the traceback:
>
> Traceback (most recent call last):
>   File ".../tests/assets/test_views.py", line 584, in test_get
> response.json()
>   File ".../lib/python2.7/site-packages/django/utils/functional.py", line 
> 13, in _curried
> return _curried_func(*(args + moreargs), **dict(kwargs, **morekwargs))
>   File ".../lib/python2.7/site-packages/django/test/client.py", line 662, 
> in _parse_json
> return json.loads(response.content.decode(), **extra)
> UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 268: 
> ordinal not in range(128)
>
>
> If I change the line 662 in django/test/client.py to:
>
> return json.loads(response.content.decode(*response.charset*), **extra)
>
> then it works fine. In this case response.charset is utf-8.
>
>
> Thanks,
> Daniel
>

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Re: Why doesn't {{ form.field.value }} return cleaned data?

2016-03-31 Thread Jani Tiainen




On 31.03.2016 01:08, Ryan Prater wrote:
Say I have a TypedMultipleChoiceField and I'm building a custom select 
multiple widget in my template.


If I want to check a box based on an initial value (ie. default 
checked options), OR check a box based on form data that has been 
returned (ie. error state), I would do this:




HOWEVER, {{form.field.value}} source documentation (boundfield.py) 
states: "Returns the value for this BoundField, using the initial 
value if the form is not bound or the data otherwise."


So basically the equivalent of:
return (form.field.data or form.field.initial)



Not really, since data that are falsey may be valid data. So it's not 
equvalent to that.


*Wouldn't it be more appropriate and useful for boundfield.value to 
return CLEANED data that has gone through to_python()? As in:*

return (form.field.*cleaned_data* or form.field.initial)


No because then you would lose non-cleaned data in case of errors.

Also there is no guarantee that cleaned up data is valid when re-evaluated.


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Test Client response.json() UnicodeDecodeError

2016-03-31 Thread Daniel Blasco

Hi,

I'm testing the REST API of my application and I found an error that I 
think that's a Django's issue.

I'm using:

   - Django==1.9.4
   - djangorestframework==3.3.3


I have set the rest framework setting UNICODE_JSON to True.

When i'm testing a JSON response that contains a special character like 'á' 
then I get a UnicodeDecodeError. This is the traceback:

Traceback (most recent call last):
  File ".../tests/assets/test_views.py", line 584, in test_get
response.json()
  File ".../lib/python2.7/site-packages/django/utils/functional.py", line 
13, in _curried
return _curried_func(*(args + moreargs), **dict(kwargs, **morekwargs))
  File ".../lib/python2.7/site-packages/django/test/client.py", line 662, 
in _parse_json
return json.loads(response.content.decode(), **extra)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 268: 
ordinal not in range(128)


If I change the line 662 in django/test/client.py to:

return json.loads(response.content.decode(*response.charset*), **extra)

then it works fine. In this case response.charset is utf-8.


Thanks,
Daniel

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Re: Model share question

2016-03-31 Thread Mike Dewhirst

On 31/03/2016 8:38 AM, moon jo wrote:

I'm new to django and have a question regarding model design.
For practice, I'm working on a web app - a simplified version of imdb
that handles movie and music.
I've created 2 apps; Movies and Music. With main models in both having
the usual fields (title, release date, rating, artist/actor).
My problem is, I don't know where to put the Person model. I want it to
be shared by both apps.
Should there be an app for Person and put the model in there?

Short answer is yes. Long answer is yes.

Once you put the app 'person' into INSTALLED_APPS in settings in each of
the other two apps you can exploit 'person.Person' in foreign keys and
Django will find it. If you prefer using the person model directly you
do "from person.models import Person" then just use Person in foreign keys.

Thanks.

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Re: Model share question

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