Re: Dynamic Base Template

[cmawebsite]

You could make a custom assignment_tag like: {% get_datasets_for_user user 
as dataset %}

https://docs.djangoproject.com/en/dev/howto/custom-template-tags/#assignment-tags

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idea: deploy static files on github pages CDN

[cmawebsite]

I had an idea today that I wanted to share, if anyone finds it helpful or 
has feedback.

./manage.py collectstatic
cd $STATIC_ROOT
rm -rf .git/  # optionally don't keep history
git init .
git add .
git commit -m"static files"
git push -f g...@github.com:username/yourrepo master:gh-pages

then set STATIC_URL = '//username.github.io/yourrepo/'

It works just fine, even on private repositories.

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Re: Errors Using Pip In Powershell to Download Django

[cmawebsite]

>
> Yesterday I tried to get the 1.7rc1 and got the error 'file contains no 
> section headers'. I assumed this was because it was a tarball, and after 
> looking around gave up for the night.
> Tonight I decided to just get 1.6.5. But to my surprise, I got the same 
> error. I have no control over putting section headers in these files. What 
> do I do now? Thanks. 
>

Yes, you could try zip:
https://github.com/django/django/zipball/1.7c1
or, even newer:
https://github.com/django/django/zipball/stable/1.7.x 

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Re: How to call a function when a project starts.

[cmawebsite]

I think if you put it in urls.py it should run (once) just before the first 
request.

On Thursday, July 31, 2014 10:30:08 AM UTC-4, ke1g wrote:
>
> It runs twice because runserver uses two processes: the real server, and; 
> the monitoring process that restarts the other when you change a source 
> file. You could fool around with undocumented internals to figure out which 
> a given import is running in.  Or you could use a modifies runserver 
> command. Or you could modify manage.py. Or you could, if your O/S supports 
> it, open a file for exclusive use and the one that can't knows that it is 
> the server process.
>

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Re: building a xenserver web client

[cmawebsite]

You mentioned "full featured". Check out 
https://github.com/openstack/horizon if you haven't.

On Thursday, July 31, 2014 9:55:43 AM UTC-4, ma...@tubeards.com wrote:
>
> Hi,
>
> is anyone interested in co-building a full featured web client for 
> xenserver instances? 
> Since version 6.2 the update procedures are really a pain which is one of 
> my reasons to think about an (maintained) opensource client.
>
> Ideas are welcome.
> Cheers
>

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Re: image upload

[cmawebsite]

Are you using   ?

On Thursday, July 31, 2014 7:20:19 AM UTC-4, ngangsia akumbo wrote:
>
> i have a problem of displaying my image on my web page.
>
> i have upload my pic in admin and when i display it it shows me the  this
>
> media/Lighthouse_1.jpg
>
> models.py
>
> class Image(models.Model):
> title = models.CharField(max_length=60, blank=True, null=True)
> image = models.FileField(upload_to="images")
>
>
> 
> 
>
>  {{ blogs.title }} - Date Published: {{blogs.pub_date}} 
>   {{ blogs.content|safe}} Tags: {{ blogs.photo }} 
>   Reported By: {{blogs.reporter}} 
>  
> 
> 
> Return back to Main Page
> News
> 
>  
> 
> {% endblock %}
>
>
>
>
> MEDIA_ROOT = 
> 'C:/Python27/Scripts/testproject/Django-1.4.3/django/bin/test0/images/'
> MEDIA_URL = '/media/'
>
> STATIC_ROOT = '' "
> STATIC_URL = '/static/'
>
>
>
>
>
>
>
>

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Re: hanging django/postgres idle connections

[cmawebsite]

Does it work fine on django 1.6? It could be a regression.

On Wednesday, July 30, 2014 10:41:58 AM UTC-4, Jani Kajala wrote:
>
> Hi,
>
> I have a problem with leaking Postgres DB connections even if I 
> have CONN_MAX_AGE=0. Every time I start the server and stop it by 
> Ctrl+Break a DB connection is leaked.
>
> When I check from Postgres there is bunch of "idle" connections with 
> following content:
> SELECT "django_migrations"."app", "django_migrations"."name" FROM 
> "django_migrations"
>
> I'm running Python on Windows 8 + virtualenv with following installs:
> Django==1.7c1
> future==0.12.4
> psycopg2==2.5.3
> python3-memcached==1.51
> pytz==2014.4
> six==1.7.3
> sqlparse==0.1.11
> virtualenv==1.11.6
> xlwt-future==0.8.0
>
> Postgres is running in Ubuntu 14.04 in latest Oracle VirtualBox on same 
> Windows machine.
>
> Any ideas?
>
>
> Thanks,
> Jani
>
>

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Re: user object's is_authenticated() method ALWAYS return True even after they log out??

[cmawebsite]

Right, the question isn't "is user x logged into the website right now", it 
actually only makes sense for for request.user. This will return all users 
in the database: logged_in_users = [user for user in User.objects.all() if 
user.is_authenticated()]

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Re: Why are DateTimeField auto_now and auto_now_add bad?

[cmawebsite]

It gets confusing if those fields are editable in the admin. I recommend 
setting editable=False on those fields.

On Sunday, July 27, 2014 6:47:33 PM UTC-4, Russell Keith-Magee wrote:
>
>
> I'm not aware of a formally documented list anywhere. 
>
> To the best my knowledge, the bug/downside that is referred to here is 
> that the fields *won't* automatically update in *every* circumstance. You 
> need to actually *save* the model to make the field update. Calls to 
> update, save_base, etc won't invoke the "auto" part of the field logic, and 
> the timestamp won't be adjusted.
>
> Yours,
> Russ Magee %-)
>
>
> On Sun, Jul 27, 2014 at 10:29 PM, Mattias Linnap  > wrote:
>
>> Hi all,
>>
>> I've seen DateTimeField's auto_now and auto_now_add parameters often 
>> described as "buggy" or "error-prone". For example:
>> https://code.djangoproject.com/ticket/22995
>> https://groups.google.com/forum/#!topic/django-developers/TNYxwiXLTlI
>>
>> The ticket proposes to document these downsides or problems in more 
>> detail. But until that happens, is there a blog post or mailing list post 
>> somewhere that summarises the gotchas to watch out for with auto_now?
>>
>> Thanks,
>>
>> Mattias
>>
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>> 
>> .
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>>
>
>

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Re: Screenshot pdf from AWS hosted django app

[cmawebsite]

I just use commandline imagemagick instead of PythonMagic, if the python 
bindings are the issue getting imagemagick to work.

cmd = 'convert -density 300 -flatten -interlace line -quality 92 
-colorspace sRGB -thumbnail'.split() + size + [default_storage.path(name) + 
'[0]', 'jpg:-']
proc = Popen(cmd, stdout=PIPE, stderr=PIPE)
stdout, stderr = proc.communicate()
assert not proc.returncode, stderr + stdout
default_storage.save(request.path[1:], ContentFile(stdout))

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Re: Screenshot pdf from AWS hosted django app

[cmawebsite]

And if local dev is an issue, you could try setting MEDIA_URL to your live 
site.

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Re: Django Queryset with filtering on reverse foreign key failing

[cmawebsite]

What does the FieldError say?

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Re: Different choices values for a single field in inherited class

[cmawebsite]

class Color(models.Model):
red_or_white = models.CharField(max_length=10, choices=[('red', 'Red'), 
('white', 'White')])
tone = models.CharField(max_length=32)
 
class Wine(models.Model):
name = models.CharField(max_length=255)
color = models.ForeignKey(Color) 



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Re: Django limit_choices_to - ForeignKey

[cmawebsite]

If you are using the admin:

https://docs.djangoproject.com/en/dev/ref/contrib/admin/#django.contrib.admin.ModelAdmin.formfield_for_choice_field

Otherwise, you'll need to dynamically create that field or the entire form.

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Re: user object's is_authenticated() method ALWAYS return True even after they log out??

[cmawebsite]

something like this may work:

from django.contrib.auth.models import User
from django.contrib.sessions.models import Session

User.objects.filter(id__in=(s.get_decoded().get('_auth_user_id') for s in 
Session.objects.all()))







for s in Session.objects.all()


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Re: user object's is_authenticated() method ALWAYS return True even after they log out??

[cmawebsite]

or for a specific user:

from django.contrib.sessions.models import Session

any(s.get_decoded().get('_auth_user_id') == user.id for s in Session.objects
.all())


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Re: invalid attribute

[cmawebsite]

Do you have the full error message?


On Thursday, July 31, 2014 5:48:55 PM UTC-4, ngangsia akumbo wrote:
>
> *Got an invalid attribut error*
>
> class Product(models.Model):
> name = models.CharField(max_length=255, unique=True)
> slug = models.SlugField(max_length=255, unique=True,
> help_text="Each product has a unique name")
> brand = models.CharField(max_length=50)
> sku = models.CharField(max_length=50)
> price = models.DecimalField(max_length=9, decimal_places=3)
> old_price = models.DecimalField(max_length=9, decimal_places=3, 
> blank=True, default=0.00)
> image = models.CharField(max_length=50)
> is_active = models.BooleanField(default=True)
> is_bestseller = models.BooleanField(default=False)
> is_featured = models.BooleanField(default=False)
> quantity = models.IntegerField()
> description = models.TextField()
> meta_keywords = models.CharField('Meta Keywords', max_length=300)
> meta_description = models.CharField("Meta Description", max_length=255)
> 
> created_at = models.DateTimeField(auto_now_add=True)
> updated_at = models.DateTimeField(auto_now=True)
> category = models.ManyToManyField(Category)
>
>
> class Meta:
> db_table = 'products'
> ordering = ['-created_at']
>
> def __unicode(self):
> return self.name
>
>
> @models.permalink
> def get_absolute_url(self):
> return ('catalog_product', (), { 'product_slug': self.slug })
>
> 
> def sale_price(self):
> if self.old_price > self.price:
> return self.price
> else:
> return None
>
> 
> 
>
>

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