[django-users] How to dynamically set crop processor parameters in django-imagekit ?

[Leonardo S]

Hi,

I am using django-imagekit to crop images.
I have this model:

*from imagekit.models import ImageSpecField*
*from imagekit.processors import Crop*

*class Image(models.Model):*
*x1 = models.IntegerField(blank=True, default=0)*
*y1 = models.IntegerField(blank=True, default=0)*
*height = models.IntegerField(blank=True, default=0)*
*width = models.IntegerField(blank=True, default=0)*
*image_file = models.ImageField(upload_to='images/')*
*
*
*cropped_image = ImageSpecField(*
*[Crop(width=171, height=82, anchor=None, x=-224, y=-283)],*
*image_field='image_file',*
*format='JPEG', options={'quality': 90})*

How can I use the object's attributes x1, y1, width and height as
parameters to Crop processor ?

Regards,

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[django-users] Limit uploaded image properties

[Leonardo S]

Hi,

Is there a recommended way to limit an uploaded image, either at resolution
or size in bytes ? And how to do it in Django ?

Regards,
  Leonardo

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Re: [django-users] Error when registering a new user - Django 1.5

[Leonardo S]

I did it and aparently it worked:

*# forms.py*
*class UserCreateForm(UserCreationForm):*
*
*
*
def clean_username(self):
username = self.cleaned_data["username"]
try:
self._meta.model._default_manager.get(username=username)
except self._meta.model.DoesNotExist:
return username
raise
forms.ValidationError(self.error_messages['duplicate_username'])
*
*
*
*class Meta:*
*model = get_user_model()*
*fields = ('email', 'password1', 'password2', 'first_name',
'last_name', 'bio', 'username')*
*
*
From:
https://groups.google.com/forum/?fromgroups=#!topic/django-users/kOVEy9zYn5c
Should not it be the UserCreationForm standard?


2013/3/23 Leonardo S <leonardo.s.c...@gmail.com>

> Hi,
>
> I am getting an error when registering a new user in a Django 1.5 app.
> It is the postgres' log:
>
> *BRT ERROR:  relation "auth_user" does not exist at character 280*
> *BRT COMMAND:  SELECT "auth_user"."id", "auth_user"."password",
> "auth_user"."last_login", "auth_user"."is_superuser",
> "auth_user"."username", "auth_user"."first_name", "auth_user"."last_name",
> "auth_user"."email", "auth_user"."is_staff", "auth_user"."is_active",
> "auth_user"."date_joined" FROM "auth_user" WHERE "auth_user"."username" =
> E'teste'*
> *
> *
> My code is very simple:
> *
> *
> *# models.py*
> *class User(AbstractUser):*
> *bio = models.CharField(max_length=255, blank=True, null=True)*
> *objects = UserManager()*
>
> *# forms.py*
> *class UserCreateForm(UserCreationForm):*
> *class Meta:*
> *model = get_user_model()*
> *fields = ('email', 'password1', 'password2', 'first_name',
> 'last_name', 'bio', 'username')*
>
> *# views.py*
> *class UserCreateView(CreateView):*
> *form_class = UserCreateForm*
> *model = get_user_model()*
> *
> *
> I think that UserCreationForm yet search for auth_user table.
> A possible solution would be this:
>
> *# models.py*
> *class User(AbstractUser):*
> *bio = models.CharField(max_length=255, blank=True, null=True)*
> *objects = UserManager()*
> *class Meta:*
> * db_table = u'auth_user'*
>
> But i would like to use a correct Django 1.5 approach to register a new
> user.
> Can anyone spot the problem?
>
> Regards,
>   Leonardo
>

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[django-users] Error when registering a new user - Django 1.5

[Leonardo S]

Hi,

I am getting an error when registering a new user in a Django 1.5 app.
It is the postgres' log:

*BRT ERROR:  relation "auth_user" does not exist at character 280*
*BRT COMMAND:  SELECT "auth_user"."id", "auth_user"."password",
"auth_user"."last_login", "auth_user"."is_superuser",
"auth_user"."username", "auth_user"."first_name", "auth_user"."last_name",
"auth_user"."email", "auth_user"."is_staff", "auth_user"."is_active",
"auth_user"."date_joined" FROM "auth_user" WHERE "auth_user"."username" =
E'teste'*
*
*
My code is very simple:
*
*
*# models.py*
*class User(AbstractUser):*
*bio = models.CharField(max_length=255, blank=True, null=True)*
*objects = UserManager()*

*# forms.py*
*class UserCreateForm(UserCreationForm):*
*class Meta:*
*model = get_user_model()*
*fields = ('email', 'password1', 'password2', 'first_name',
'last_name', 'bio', 'username')*

*# views.py*
*class UserCreateView(CreateView):*
*form_class = UserCreateForm*
*model = get_user_model()*
*
*
I think that UserCreationForm yet search for auth_user table.
A possible solution would be this:

*# models.py*
*class User(AbstractUser):*
*bio = models.CharField(max_length=255, blank=True, null=True)*
*objects = UserManager()*
*class Meta:*
* db_table = u'auth_user'*

But i would like to use a correct Django 1.5 approach to register a new
user.
Can anyone spot the problem?

Regards,
  Leonardo

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Re: Django hosting companies

[Leonardo S]

heroku, dotCloud, Gondor.io, webfaction ...


2013/1/29 Frankline 

> Have you tried webfaction? Very easy to setup.
>
> On Tue, Jan 29, 2013 at 4:30 PM, Gustavo Andres Angulo 
> wrote:
>
>> There is a similar solution to Heroku, called nuagehq.com
>>
>>
>>
>> regards
>>
>> On Tue, Jan 29, 2013 at 8:17 AM, francislutalo 
>> wrote:
>> > Anyone with an idea of which are the best companies to host my django
>> > applications?
>> >
>> >
>> >
>> > Thank you,
>> > Regards
>> > francislutalo
>> >
>> > --
>> > You received this message because you are subscribed to the Google
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>> > "Django users" group.
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>> an
>> > email to django-users+unsubscr...@googlegroups.com.
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>> >
>> >
>>
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>>
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Re: ImageField upload_to issue

[Leonardo S]

There is no t_upload_path


2013/1/25 Sammael 

> Hello, folks!
>
> Here is the relevant part of my model:
>
> def i_upload_to(instance, filename):
> return '/'.join([strftime('i/%y%m/%d'), filename])
>
> def t_upload_to(instance, filename):
> return '/'.join([strftime('t/%y%m/%d'), filename])
>
> class Image(models.Model):
> image = models.ImageField(upload_to=i_upload_to, blank=True)
> thumbnail = models.ImageField(upload_to=t_upload_to, blank=True)
>
>
> It works as expected, but it's really ugly, terrible code. Let's try to make 
> it a little better:
>
> def upload_path(p):
> return lambda instance, filename: '/'.join([p, strftime('%y%m/%d'), 
> filename])
>
>
> class Image(models.Model):
> image = models.ImageField(upload_to=upload_path('i'), blank=True)
> thumbnail = models.ImageField(upload_to=t_upload_path('t'), 
> blank=True)
>
>
> In this case 'image' will be uploaded where expected (e.g. 'i/1301/26'),
> but thumbnail will be uploaded to directory like 't/1301/25/i/1301/26/'
> instead of 't/1301/26'.
>
> Any opinions? Where do I make a mistake?
>
> Thank you in advance for any advice.
>
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Re: Which django-cart fork should I use?

[Leonardo S]

Hi,

I used this fork once
http://code.google.com/u/101353298620714815735/

But i didn't install. I created my own version based on its code.

Em sexta-feira, 25 de janeiro de 2013, frocco escreveu:
> Hello,
> I installed pip install django-cart, but am having issues when trying to
update a cart with a different qty.
> nothing happens. I see no errors in debug.
> a new product is added ok, but if I try and add the product again, the
qty is not changed.
> if I call the update_cart method, the qty is not changed.
> Thanks
>
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Re: define form in yaml file

[Leonardo S]

Hi,

I'm new to Django and here.

yaml file is commonly used in Rails framework.
Django uses simple python file (settings.py).

What security risk? Have you got any example ?


2013/1/24 Adrian Andreias 

> Hello,
>
> I need a way to define a django form through a yaml file (or another text
> format).
> Is there some code that already does this?
> I'm trying to not reinvent the wheel.
>
> I can't use simple python classes, since this would user input and would
> be a security risk and I need a simpler and limited format.
>
> Thanks
>
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