Re: {{STATIC_URL }} or {% static "...." %} What`s the correct to use?

[Néstor]

Is it OK to have this syntax?
 href="{% static "public/css/bootstrap.min.css" %}">

Should you not do something like this:
href="{% static 'public/css/bootstrap.min.css' %}">



On Fri, Mar 20, 2015 at 7:13 AM, Fellipe Henrique 
wrote:

> So, answer the questions:
>
> - I in Debug mode: DEBUG = True
> - Here is my settings.py:
> https://gist.github.com/fellipeh/4eb8143f6ac362dff9e0
> - Yes, all my folder has the correct permission, I can edit any files
> there.
>
> - I  my HTML I have:
>
>%}">
>
> and in source code, in browser show these:
>
>  
>
>
> - When I try to go:  localhost:8000/static   show these:
>
> Page not found (404)  Request Method: GET  Request URL:
> http://localhost:8000/static/
>
> Directory indexes are not allowed here.
>
> You're seeing this error because you have DEBUG = True in your Django
> settings file. Change that to False, and Django will display a standard
> 404 page.
>
>
>
> Any thoughts?
>
> T.·.F.·.A.·. S+F
> *Fellipe Henrique P. Soares*
>
> e-mail: > echo "lkrrovknFmsgor4ius" | perl -pe \
> 's/(.)/chr(ord($1)-2*3)/ge'
> *Blog: http://fhbash.wordpress.com/ *
> *GitHub: https://github.com/fellipeh *
> *Twitter: @fh_bash*
>
> On Fri, Mar 20, 2015 at 9:36 AM, Ilya Kazakevich  > wrote:
>
>> This one "{% static "" %}" is MUCH better than {{STATIC_URL }}.
>> It is recommended way.
>>
>> You almost never need to use {{STATIC_URL }}.
>>
>>
>> On Friday, March 20, 2015 at 3:59:08 AM UTC+3, Fellipe Henrique wrote:
>>>
>>> Hi,
>>>
>>> In my template, when I made a reference to my Static folder.. what's the
>>> correct usage?
>>>
>>> {{STATIC_URL }} or {% static "" %}
>>>
>>> Django 1.7 and Python 3
>>>
>>> Thanks!
>>>
>>> T.·.F.·.A.·. S+F
>>> *Fellipe Henrique P. Soares*
>>>
>>> e-mail: > echo "lkrrovknFmsgor4ius" | perl -pe \
>>> 's/(.)/chr(ord($1)-2*3)/ge'
>>> *Blog: http://fhbash.wordpress.com/ *
>>> *GitHub: https://github.com/fellipeh *
>>> *Twitter: @fh_bash*
>>>
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Re: python manage.py makemigrations polls

[Néstor]

try "python manage.py migrate"

On Mon, Jul 13, 2015 at 4:27 PM, Auj Snow  wrote:

> When I try to run "python manage.py makemigrations polls" in my terminal,
> I get an error "No changes detected in app 'polls' "
>
> I have saved the 'polls' in the INSTALLED_APPS but I just don't understand
> how to fix this.
>
> Any help would be appreciated.
>
> Thanks
>
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Re: Playing with API- DjangoProject Part 1

[Néstor]

This worked for me in ubuntu:
python manage.py shell
Python 3.4.0 (default, Apr 11 2014, 13:05:11)
[GCC 4.8.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)

*>>> from polls.models import Question, Choice*
*>>> from django.utils import timezone*

*>>> q = Question(question_text="What's up?", pub_date=timezone.now())*

*>>> q.save()*
*>>> q.id *
1
*>>> q.question_text*
"What's up?"


I just did the above and I got a message
from this page url:*https://docs.djangoproject.com/en/1.8/intro/tutorial01/
*

I hope this helps, try it again


On Tue, Jul 14, 2015 at 1:47 PM, Auj Snow  wrote:

> When I run the shell, I keep getting errors. Also, I have created the
> question three times now so when I type q.id , I get a return value of 3.
> How can I delete them. Also when I ask the question text (q.question_text)
> I get "" instead of the "Whats up".
>
> Any help would be greatly appreciated.
>
> *The error when I run the shell:*
>
> q$ python manage.py shell
> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/db/models/base.py:309:
> RuntimeWarning: Model 'polls.question' was already registered. Reloading
> models is not advised as it can lead to inconsistencies, most notably with
> related models.
>   new_class._meta.apps.register_model(new_class._meta.app_label, new_class)
>
> /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/db/models/base.py:309:
> RuntimeWarning: Model 'polls.choice' was already registered. Reloading
> models is not advised as it can lead to inconsistencies, most notably with
> related models.
>   new_class._meta.apps.register_model(new_class._meta.app_label, new_class)
>
> Python 2.7.10 (v2.7.10:15c95b7d81dc, May 23 2015, 09:33:12)
> [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> (InteractiveConsole)
> >>>
>
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Re: How do I install Python 3 in a virtualenv on a MAC ?

[Néstor]

Virtualenv -p python3  myfolder
On Jul 16, 2015 2:24 PM,  wrote:

> I'm new to Django and would like to install Python 3.x  in a virtualenv so
> I can follow the tutorial given on the Django website.
> How do I install Python 3.x (latest version) within a virtualenv on a Mac?
>
> Thank you,
>
> jon
>
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Re: Does Django detect changes in models Meta ?

[Néstor]

is that true if the table is already there?


On Fri, Aug 22, 2014 at 6:55 AM, Norman Bird 
wrote:

> I am new, just completed the tutorials, but from my understanding you run
> "python manage.py syncdb" and that rebuilds the tables etc.
>
> On Friday, August 22, 2014 3:32:43 AM UTC-4, termopro wrote:
>>
>> Hi there,
>>
>> I am using Django 1.7 RC2.
>> I have created models and have run all the migrations so Django created
>> tables in database.
>> Now i decided to change database table names and have added Meta class to
>> models containing table name:
>>
>> class SomeModel(models.Model):
>>...
>>class Meta:
>>   db_table = 'newname'
>>
>> Now when i run "makemigrations" Django doesn't detect any changes in
>> models:
>> "No changes detected in app 'blabla'."
>> As far as i understand the logic, Django should change table names from
>> 'appname_somemodel" to "newname".
>>
>> Is this an expected behavior or i am missing something?
>>
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Re: Template Not Applying - Django Polls Tutorial (Newbie Question)

[Néstor]

You might need to make for admin
mysite/templates/admin/base_site.html

for regular html files for the polls only
mysite/polls/templates/polls/index.html

That is how I got it to work.  Good luck!!!

:-)

On Tue, Dec 23, 2014 at 2:13 PM, Ken Wayne  wrote:

> Windows 8
> Django 1.7.1
> Python 3.4.2
> Google Chrome Version 39.0.2171.95 m
>
> Bottom of part 2 of the the tutorial
> https://docs.djangoproject.com/en/1.7/intro/tutorial02/ it indicates how
> to customize the admin template but when I follow the directions it doesn't
> show any change in my browser.  I've restarted the development server and
> refreshed my browser.
>
> *File Snip base_site.html:*
> {% block title %}{{ title }} | Polls Administration {% endblock %}
>
> *File Snip settings.py:*
> import os
> BASE_DIR = os.path.dirname(os.path.dirname(__file__))
> # TEMPLATE_DIRS = [os.path.join(BASE_DIR, 'templates')]
> TEMPLATE_DIRS = ['C:\Python34\Scripts\mysite\templates']
>
> I tried the environment path, and hard coding the path.  Since the
> tutorial didn't indicate the BASE_DIR path I made a copy of the file in
> each of the following directories:
> C:\Python34\Scripts\mysite\templates\admin
> C:\Python34\Scripts\mysite\mysite\templates\admin
> C:\Python34\Scripts\mysite\polls\templates\admin
>
> Any thoughts on what I might be doing wrong?
>
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Re: Exception occurred processing WSGI script

[Néstor]

It would be nice to read about the solution to your problem :-)
On Jan 7, 2015 8:09 PM, "sarfaraz ahmed"  wrote:

> Issue resolved. Please close this
>
> On Wednesday, 7 January 2015 23:02:33 UTC+5:30, sarfaraz ahmed wrote:
>>
>> This is what I am trying to do.
>>
>> I am using amazon ec2 windows free tier and i am trying to setup django
>> on XAMPP.
>>
>> I am using apache 2.4 Windows 32 bit version
>> python 2.7.9 window 32 bit version
>> mod_wsgi 3.5 windows 32 bit version
>> and Django 1.7
>>
>> my project as nothing but just mysite project with myapp as application
>> My mod_wsgi file looks like this
>>
>> ==
>>
>> import os,sys
>> sys.path.append('c:\\xampp\\htdocs\\mysite')
>> os.environ['DJANGO_SETTINGS_MODULE']='mysite.settings'
>>
>> import django.core.handlers.wsgi
>> application= django.core.handlers.wsgi.WSGIHandler()
>>
>> =-==
>>
>>
>> +++
>> Apache error log looks horrible
>> +++
>>
>>
>> mod_wsgi (pid=1980): Exception occurred processing WSGI script
>> 'C:/xampp/htdocs/mysite/mod.wsgi'.
>> [Wed Jan 07 16:46:37.425730 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] Traceback (most recent call last):
>> [Wed Jan 07 16:46:37.425730 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\core\\handlers\\wsgi.py",
>> line 187, in __call__
>> [Wed Jan 07 16:46:37.426729 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] response = self.get_response(request)
>> [Wed Jan 07 16:46:37.426729 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\core\\handlers\\base.py",
>> line 199, in get_response
>> [Wed Jan 07 16:46:37.426729 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] response = self.handle_uncaught_exception(request,
>> resolver, sys.exc_info())
>> [Wed Jan 07 16:46:37.426729 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\core\\handlers\\base.py",
>> line 236, in handle_uncaught_exception
>> [Wed Jan 07 16:46:37.426729 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] return debug.technical_500_response(request, *exc_info)
>> [Wed Jan 07 16:46:37.427732 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\views\\debug.py",
>> line 91, in technical_500_response
>> [Wed Jan 07 16:46:37.428730 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] html = reporter.get_traceback_html()
>> [Wed Jan 07 16:46:37.428730 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\views\\debug.py",
>> line 350, in get_traceback_html
>> [Wed Jan 07 16:46:37.428730 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] return t.render(c)
>> [Wed Jan 07 16:46:37.428730 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\template\\base.py",
>> line 148, in render
>> [Wed Jan 07 16:46:37.429731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] return self._render(context)
>> [Wed Jan 07 16:46:37.429731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\template\\base.py",
>> line 142, in _render
>> [Wed Jan 07 16:46:37.429731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] return self.nodelist.render(context)
>> [Wed Jan 07 16:46:37.429731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\template\\base.py",
>> line 844, in render
>> [Wed Jan 07 16:46:37.429731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] bit = self.render_node(node, context)
>> [Wed Jan 07 16:46:37.429731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\template\\debug.py",
>> line 80, in render_node
>> [Wed Jan 07 16:46:37.430731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] return node.render(context)
>> [Wed Jan 07 16:46:37.430731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\template\\debug.py",
>> line 90, in render
>> [Wed Jan 07 16:46:37.430731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] output = self.filter_expression.resolve(context)
>> [Wed Jan 07 16:46:37.430731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Python27\\lib\\site-packages\\django\\template\\base.py",
>> line 624, in resolve
>> [Wed Jan 07 16:46:37.430731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948] new_obj = func(obj, *arg_vals)
>> [Wed Jan 07 16:46:37.430731 2015] [:error] [pid 1980:tid 1736] [client
>> ::1:49948]   File 
>> "C:\\Pytho

Custom UserChangeForm shows one list correctly and the other doesn't show values

[Néstor Boscán]

Hi

I've created a custom UserChangeForm in DJango 1.7.8 where I have 2 custom
ComboBox associated with a Model. Both are defined exactly the same. One
shows the values and the + button to add a new entity. The second only
shows an empty list.

Any ideas?

Regards,

Néstor

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Calling Oracle Stored Procedures with REF CURSOR I get "unhandled data type CursorDebugWrapper"

[Néstor Boscán]

Hi

I'm trying to use DJango to call Oracle Stored Procedures with REF CURSOR. 
When I execute it I get: "unhandled data type CursorDebugWrapper". It looks 
like cx_Oracle doesn't like the DJango cursor wrapper.

Regards,

Néstor

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Custom Exception Handler not being called

[Néstor Boscán]

Hi

I've created a rest service using the APIView and created my own custom 
exception handler. I configured my custom exception handler in my 
settings.py file using:

REST_FRAMEWORK = {
'EXCEPTION_HANDLER': 'module.custom_exception_handler'
}

But when an exception is raised my custom exception handler is not invocked.

Regards,

Néstor

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Using ModelForm with ID associated with PostgreSQL Sequence

[Néstor Boscán]

Hi

I have an existing PostgreSQL database where all tables have sequences 
associated to their primary key and no, I can't change it.

When I create a ModelForm it generates "Required field" for the ID field 
because it doesn't have any data.

Any ideas how to manage this situation?

Regards,

Néstor

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In django-tables2 how do I paginate from the database

[Néstor Boscán]

Hi

Can django-tables2 paginate at the database level using SQL OFFSET AND 
LIMIT?. I have a table that has millions of rows and it doesn't make any 
sense to load them in memory to show only the first 10 rows.

Regards,

Néstor

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invalid literal for int() with base 10: '' using FormSet with File Upload

[Néstor Boscán]

Hi Django Forum

I'm working on a web application that has a page with form set that 
requires file upload. When I upload the files I get:

Django Version:1.9.1Exception Type:ValueErrorException Value:

invalid literal for int() with base 10: ''

Exception 
Location:C:\desarrollo\Python27\lib\site-packages\django\db\models\fields\__init__.py
 
in get_prep_value, line 976Python Executable:
C:\desarrollo\Python27\python.exePython Version:2.7.3

On this line of code:

study_form_set = DiagnosticStudyFormSet(request.POST, request.FILES, 
prefix='studies', 
queryset=DiagnosticStudy.objects.filter(diagnostic__id=pk))

My model:

class DiagnosticStudy(models.Model):
id = models.AutoField(primary_key=True)
name = models.CharField(verbose_name='Name', max_length=255)
link = models.CharField(verbose_name='Link', max_length=255, 
blank=True, null=True)
path = models.FileField(upload_to='files', max_length=255, blank=True, 
null=True)
diagnostic = models.ForeignKey(Diagnostic, blank=True, null=True)
study_type = models.ForeignKey(StudyType, blank=True, null=True)
class Meta:
managed = False
db_table = 't_udm_diagnostic_study'

My forms:

class DiagnosticStudyForm(ModelForm):
class Meta(object):
model = DiagnosticStudy
fields = [ 'id', 'name', 'link', 'path', 'study_type' ]
widgets = {
   'id': HiddenInput(attrs={ 'class': 'campo' }),
'name': TextInput(attrs={ 'class': 'campo', 'size': '40', 
'onchange': 'validate(this)' }),
'link': TextInput(attrs={ 'class': 'campo', 'size': '40', 'onchange': 
'validate(this)' }),
'path': FileInput(attrs={ 'class': 'campo', 'size': '40', 'accept': 
'image/gif,image/jpeg,image/pjpeg,image/png,image/tiff,image/x-tiff,application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document,application/vnd.ms-powerpoint,application/vnd.openxmlformats-officedocument.presentationml.presentation',
 
'onchange': 'validate(this)' }),
'study_type': HiddenInput(attrs={ 'class': 'campo', 'size': '40', 
'onchange': 'validate(this)' }),
}

DiagnosticStudyFormSet = modelformset_factory(DiagnosticStudy, 
form=DiagnosticStudyForm, extra=5, can_delete=True)

The Form does not have a IntegerField only CharFields and ForeignKeys. Any 
ideas on how to know which field is generating the error?

Regards,

Néstor

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