Re: html to a database.

[JIffin Joy Akkarappatty]

Hi,

I'm not sure but pls check it out the following links

   1. http://www.mercurytide.co.uk/news/article/django-full-text-search/
   2.
   http://pkarl.com/articles/guide-django-full-text-search-sphinx-and-django-sp/



Thanks & Regards,
Jiffin Joy Akkarappatty.


On Mon, Feb 8, 2010 at 7:37 AM, har  wrote:

> Hi all,
>
> do you know the most efficient way to put the content of an html file
> into a
> mySQL database?
>
> 1.- I have the html document in my hard disk.
> 2.- Then I Open the file
> 3.- Read the content
> 4.- Write all the content it in a SQL db
>
> I am using scrapy to crawl through the websites and then i want to put
> the data that i collect to a database. I have gone through the
> tutorial but couldn't find much about it...i was thinking of using
> django beacuse of its capabilities...
>
> Any help appreciated
>
>
> Thanks!
>
> harshit
>
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>

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Creating an external url in the django admin section

[djangonoob]

Hi all.

If someone could please help me as I am very new to django and getting
desperate for help.

The issue is as follows:

For one of my apps in 'INSTALLED APPS' I need to add a link in the
admin section that will cause the stats to be downloaded. The URL for
this link is /questionnaire/export_csv. How can I define such a link
please?

Thank you for your help.

This is the template but as you will see this creates the link for the
questionnaire/export_csv, but it does create the link for every single
app instead of just for the Questionnaire app.

admin_index.py
{% extends "admin/base_site.html" %}
{% load i18n %}

{% block stylesheet %}{% load adminmedia %}{% admin_media_prefix %}css/
base.css{% endblock %}

{% block coltype %}colMS{% endblock %}

{% block bodyclass %}{% endblock %}

{% block breadcrumbs %}{% endblock %}

{% block content %}


{% if app_list %}
{% for app in app_list %}


{%
blocktrans with app.name as name %}{{ name }}{% endblocktrans %}
{% for model in app.models %}

{% if model.perms.change %}
{{ model.name }}
{% else %}
{{ model.name }}
{% endif %}

{% if model.perms.add %}
{% trans 'Add' %}
{% else %}

{% endif %}

{% if model.perms.change %}
{% trans 'Change' %}
{% else %}

{% endif %}

{% endfor %}
Export-to-
CSV


{% endfor %}
{% else %}
{% trans "You don't have permission to edit anything." %}
{% endif %}

{% endblock %}

{% block sidebar %}


{% trans 'Recent Actions' %}
{% trans 'My Actions' %}
{% load log %}
{% get_admin_log 10 as admin_log for_user user %}
{% if not admin_log %}
{% trans 'None available' %}
{% else %}

{% for entry in admin_log %}
{% if not entry.is_deletion %}{% endif %}{{ entry.object_repr|
escape }}{% if not entry.is_deletion %}{% endif %}{% filter capfirst %}{% trans
entry.content_type.name %}{% endfilter %}
{% endfor %}

{% endif %}


{% endblock %}

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Re: Next previous links from a query set / generi views

[Eric Abrahamsen]

On Feb 8, 2010, at 7:56 AM, eaman wrote:


I'm up to code those two methods...

If some one is interested in this thread I managed to code
these two methods: get_next | get_prev
in order to get a previous or next item in a set right from my model:
- http://dpaste.com/155961/


Now that you've got a date attribute, why not use that for next and  
previous?


If you don't want to do that, you still might consider returning a  
real object instance, and then giving the model a get_absolute_url()  
method and calling that in the template. That will save you hardcoding  
the links in the template.


But if it's just an id you want, the following might be more efficient:

def get_next(self):
all_ids = Foto.objects.filter(galleria = self.galleria,  
id__gt=self.id).values_list("id",flat=True).order_by("id")

try:
return min(all_ids)
except ValueError:
return None

Then reverse that (id__lt=self.id and use the max python function) for  
get_prev()


Hope that's helpful,
Eric



- Is there a better way to get the highest  'previous' item then
using
   aggregate(Max('id'))?

- I guess the if /else conditional loop that should check the
existence of the prev | next item is suboptimal...

/eaman

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html to a database.

[har]

Hi all,

do you know the most efficient way to put the content of an html file
into a
mySQL database?

1.- I have the html document in my hard disk.
2.- Then I Open the file
3.- Read the content
4.- Write all the content it in a SQL db

I am using scrapy to crawl through the websites and then i want to put
the data that i collect to a database. I have gone through the
tutorial but couldn't find much about it...i was thinking of using
django beacuse of its capabilities...

Any help appreciated


Thanks!

harshit

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Re: Deserializing xml or json goes into infinite recursion

[Kurt Schwehr]

The top of the traceback might also help with figuring this out:

In [4]: objs = [obj for obj in serializers.deserialize('xml',data)]
---
RuntimeError  Traceback (most recent call
last)

/Users/schwehr/projects/src/raphub/ in ()

/sw32/lib/python2.6/site-packages/django/core/serializers/
xml_serializer.pyc in next(self)
129 if event == "START_ELEMENT" and node.nodeName ==
"object":
130 self.event_stream.expandNode(node)
--> 131 return self._handle_object(node)
132 raise StopIteration
133

/sw32/lib/python2.6/site-packages/django/core/serializers/
xml_serializer.pyc in _handle_object(self, node)
178
179 # Return a DeserializedObject so that the m2m data has
a place to live.

--> 180 return base.DeserializedObject(Model(**data),
m2m_data)
181
182 def _handle_fk_field_node(self, node, field):

/sw32/lib/python2.6/site-packages/django/db/models/base.pyc in
__init__(self, *args, **kwargs)
311 setattr(self, field.name, rel_obj)
312 else:
--> 313 setattr(self, field.attname, val)
314
315 if kwargs:

/sw32/lib/python2.6/site-packages/django/db/models/base.pyc in
_set_pk_val(self, value)
375
376 def _set_pk_val(self, value):
--> 377 return setattr(self, self._meta.pk.attname, value)
378
379 pk = property(_get_pk_val, _set_pk_val)




On Feb 7, 2:28 pm, Kurt Schwehr  wrote:
> Hi All,
>
> I'm attempting to pull data from an older django server (0.9x) into a
> django 1.1.1 app.  I get an infinite recursion error with either the
> json or xml data.  Is this a problem with version skew and the formats
> of serialize/deserialize or do I likely have a coding error on my
> part?
>
> This is using django 1.1.1 with python 2.6 and sqlite3 from fink on
> macosx 10.6
>
> Any help would be greatly appreciated.
>
> Thanks!>

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Re: No module named urls

[Karen Tracey]

On Sun, Feb 7, 2010 at 4:27 PM, Brian  wrote:

> Hi all,
>
> I'm putting together a Django application from scratch and have
> created my models. I'm trying to activate the admin site now and am
> getting the above error. I've tried everything I found on mailing
> lists with no luck. This includes the old style settings.py (which is
> commented out now) as well as the new. Note, the model has synced to
> the database correctly.
>
> Here is the contents of the admin.py file which resides in my app
> directory (triagedb/triagedb_app):
>
> [snip]
> Here is my settings file:
> [snip]
>
> ROOT_URLCONF = 'triagedb_app.urls'
>
> [snip]
>
> INSTALLED_APPS = (
>#'django.contrib.auth',
>#'django.contrib.contenttypes',
>'django.contrib.sessions',
>'django.contrib.sites',
>'django.contrib.admin',
>'triagedb.triagedb_app',
> )
>
> Here is my urls..py file:
> [snip]
>

The urls.py file you show looks like it is a base project urls.py file,
auto-created perhaps when you ran django-admin.py startproject triagedb.
That file would have been place in triagedb/urls.py. Yet your ROOT_URLCONF
settings is ''triagedb_app.urls", which will be looking to load
triagedb_app/urls.py from somewhere in the Python path. Where exactly is
this urls.py file located?  If it is really in triagedb/urls.py then the
URLCONF setting should be 'triagedb.urls'.

Karen

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Re: geodjango Point distance

[theiklabs]

http://code.google.com/apis/maps/articles/phpsqlsearch.html

I know this is php but it does a good job of explaining make sure to test the 
distance from one point to itself the geometric functions have upper and lower 
limits
Sent from my Verizon Wireless BlackBerry

-Original Message-
From: Evan Bowling 
Date: Sun, 7 Feb 2010 15:20:32 
To: Django users
Subject: geodjango Point distance

Hey all,

  I am trying to calculate the spherical and spheroidal distance
between two points that aren't stored within any model. I found this
post from a few years ago and was wondering if it was resolved:
http://www.mail-archive.com/django-users@googlegroups.com/msg40120.html

>>> from django.contrib.gis.geos import Point
>>> print Point(-84,42).distance( Point(-80, 45) )  # yields 5.0 which still 
>>> corresponds to purely triangular distance

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Re: Next previous links from a query set / generi views

[eaman]

> I'm up to code those two methods...
If some one is interested in this thread I managed to code
these two methods: get_next | get_prev
in order to get a previous or next item in a set right from my model:
- http://dpaste.com/155961/

- Is there a better way to get the highest  'previous' item then
using
aggregate(Max('id'))?

- I guess the if /else conditional loop that should check the
existence of the prev | next item is suboptimal...

/eaman

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Re: Callback method on session timeout

[theiklabs]

I have a cpu intensive process that only runs when a user logs in. Once they 
log out or session time out I need to stop this process
Sent from my Verizon Wireless BlackBerry

-Original Message-
From: cootetom 
Date: Sun, 7 Feb 2010 15:21:58 
To: Django users
Subject: Re: Callback method on session timeout

What is the problem you are trying to solve with this?




On Feb 7, 12:08 am, adamjamesdrew  wrote:
> Does django have the ability to do a callback when a session time out
> occurs?

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geodjango Point distance

[Evan Bowling]

Hey all,

  I am trying to calculate the spherical and spheroidal distance
between two points that aren't stored within any model. I found this
post from a few years ago and was wondering if it was resolved:
http://www.mail-archive.com/django-users@googlegroups.com/msg40120.html

>>> from django.contrib.gis.geos import Point
>>> print Point(-84,42).distance( Point(-80, 45) )  # yields 5.0 which still 
>>> corresponds to purely triangular distance

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No module named urls

[Brian]

Hi all,

I'm putting together a Django application from scratch and have
created my models. I'm trying to activate the admin site now and am
getting the above error. I've tried everything I found on mailing
lists with no luck. This includes the old style settings.py (which is
commented out now) as well as the new. Note, the model has synced to
the database correctly.

Here is the contents of the admin.py file which resides in my app
directory (triagedb/triagedb_app):

from triagedb.triagedb_app.models import Address, TriageGroup, Nurse,
PhysGroup, Physician
from django.contrib import admin

admin.site.register(Address)
admin.site.register(TriageGroup)
admin.site.register(Nurse)
admin.site.register(PhysGroup)
admin.site.register(Physician)

Here is my settings file:

# Django settings for triagedb_app project.

DEBUG = True
TEMPLATE_DEBUG = DEBUG

ADMINS = (
# ('Your Name', 'your_em...@domain.com'),
)

MANAGERS = ADMINS

DATABASE_ENGINE = 'sqlite3' # 'postgresql_psycopg2', 'postgresql',
'mysql',

# 'sqlite3' or 'oracle'.
DATABASE_NAME = '/Users/Tarka/triagedb/triagedb.sqlite' # Or path to
database file if

  # using sqlite3.
DATABASE_USER = 'triagedb_app' # Not used with sqlite3.
DATABASE_PASSWORD = 'triageapp#1' # Not used with sqlite3.
DATABASE_HOST = '' # Set to empty string for localhost.
Not used with sqlite3.
DATABASE_PORT = '' # Set to empty string for default. Not
used with sqlite3.

# Local time zone for this installation. Choices can be found here:
# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
# although not all choices may be available on all operating systems.
# If running in a Windows environment this must be set to the same as
your
# system time zone.
TIME_ZONE = 'America/Vancouver'

# Language code for this installation. All choices can be found here:
# http://www.i18nguy.com/unicode/language-identifiers.html
LANGUAGE_CODE = 'en-us'

SITE_ID = 1

# If you set this to False, Django will make some optimizations so as
not
# to load the internationalization machinery.
USE_I18N = True

# Absolute path to the directory that holds media.
# Example: "/home/media/media.lawrence.com/"
MEDIA_ROOT = ''

# URL that handles the media served from MEDIA_ROOT. Make sure to use
a
# trailing slash if there is a path component (optional in other
cases).
# Examples: "http://media.lawrence.com;, "http://example.com/media/;
MEDIA_URL = ''

# URL prefix for admin media -- CSS, JavaScript and images. Make sure
to use a
# trailing slash.
# Examples: "http://foo.com/media/;, "/media/".
ADMIN_MEDIA_PREFIX = '/media/'

# Make this unique, and don't share it with anybody.
SECRET_KEY = '[edited]'

# List of callables that know how to import templates from various
sources.
TEMPLATE_LOADERS = (
'django.template.loaders.filesystem.load_template_source',
'django.template.loaders.app_directories.load_template_source',
# 'django.template.loaders.eggs.load_template_source',
)

MIDDLEWARE_CLASSES = (
'django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
)

ROOT_URLCONF = 'triagedb_app.urls'

TEMPLATE_DIRS = (
# Put strings here, like "/home/html/django_templates" or "C:/www/
django/templates".
# Always use forward slashes, even on Windows.
# Don't forget to use absolute paths, not relative paths.
)

INSTALLED_APPS = (
#'django.contrib.auth',
#'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.admin',
'triagedb.triagedb_app',
)

Here is my urls..py file:

from django.conf.urls.defaults import *

# Uncomment the next two lines to enable the admin:
from django.contrib import admin
admin.autodiscover()

urlpatterns = patterns('',
# Example:
# (r'^triagedb_app/', include('triagedb_app.foo.urls')),

# Uncomment the admin/doc line below and add
'django.contrib.admindocs'
# to INSTALLED_APPS to enable admin documentation:
# (r'^admin/doc/', include('django.contrib.admindocs.urls')),

# Uncomment the next line to enable the admin:
# (r'^admin/', include(admin.site.urls)),
(r'^admin/(.*)', admin.site.root),
)

And finally, here is the error message:

Traceback (most recent call last):

  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/
lib/python2.6/site-packages/django/core/servers/basehttp.py", line
279, in run
self.result = application(self.environ, self.start_response)

  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/
lib/python2.6/site-packages/django/core/servers/basehttp.py", line
651, in __call__
return self.application(environ, start_response)

  File 

Re: Callback method on session timeout

[cootetom]

What is the problem you are trying to solve with this?




On Feb 7, 12:08 am, adamjamesdrew  wrote:
> Does django have the ability to do a callback when a session time out
> occurs?

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Re: mysql master-master setup

[Dennis Kaarsemaker]

On ma, 2010-02-08 at 00:04 +0100, Henrik Genssen wrote:

> what is the best way to setup a master-master replication using mysql
> with django?

Not to do it :)

> Has anyone any experiences with this?

I did not use it with django, but I have use master-master (or even
rings with more than 2). It's brittle and should not be used. With the
new multi-db in django 1.2 it becomes much easier to route read queries
to a slave, thus allowing your master to scale a bit further, reducing
the need for master-master.

If you still want to use it, make sure you set auto-increment-increment
and auto-increment-offset properly to try and avoid duplicate keys.

-- 
Dennis K.

The universe tends towards maximum irony. Don't push it.

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mysql master-master setup

[Henrik Genssen]

HI,

what is the best way to setup a master-master replication using mysql with 
django?
Has anyone any experiences with this?
Did you use HAProxy in front of mysql?
How many connections does django use during one page request / url?
(is there a risk, that I hit 2 instances of mysql during one request, where
replication has not finished, yet?)

Any other hints, I should have an eye on?

regards

Hinnack

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Re: inputting a request.user into a model on the backend

[Daniel Roseman]

On Feb 7, 9:26 pm, kamilski81  wrote:
> I am trying to set a user on a model, on the back-end.
>
>         u = request.user
>         g = Goal()
>         g.user = u
>         form = GoalForm(request.POST, g)
>
> I am getting the following error:
> goal.user_id may not be NULL

What was wrong with the solution I posted in your earlier thread on
this same issue (http://groups.google.com/group/django-users/msg/
b4a5615209bd7b06)?
--
DR.

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inputting a request.user into a model on the backend

[kamilski81]

I am trying to set a user on a model, on the back-end.

u = request.user
g = Goal()
g.user = u
form = GoalForm(request.POST, g)

I am getting the following error:
goal.user_id may not be NULL

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Re: Unit testing Templatetags

[Jari Pennanen]

Hey!

Thanks a lot, that seems obvious now...

I found out that doing this:

template.libraries['django.templatetags.mytest'] = register

I can then use {% load mytest %} ... for the tags.

On 7 helmi, 22:19, Rolando Espinoza La Fuente 
wrote:
> You can see example code 
> here:http://github.com/darkrho/django-dummyimage/blob/master/dummyimage/te...
Great example.

IMO, there should be more unit-testing examples in Django
documentation, templatetags should be one...

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Re: Unit testing Templatetags

[Rolando Espinoza La Fuente]

On Sun, Feb 7, 2010 at 3:56 PM, Jari Pennanen  wrote:
[...]
>
>            #print
> loader.get_template_from_string(template_content).render(self.context)
>            print
> template.Template(template_content).render(self.context)
>
>
>    if __name__ == '__main__':
>        unittest.main()
>
> But I keep getting "TemplateSyntaxError: Invalid block tag: 'sometag'"

I think you forget the {% load ... %} tag

The way that I found on the net to test tags was using Template/Context
class.

t = Template("{% load mytags %}{% sometag %}")
c = Context({})
self.failUnlessEqual(result, t.render(c))

You can see example code here:
http://github.com/darkrho/django-dummyimage/blob/master/dummyimage/tests.py#L17

Regards,

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Unit testing Templatetags

[Jari Pennanen]

Hi!

I decided to try to unit test templatetag using following code:

import unittest
from django import template
from django.template import loader

register = template.Library()

@register.simple_tag
def sometag(arg=None):
return "ok"


class MyTagTests(unittest.TestCase):
def setUp(self):
self.context = template.Context()

def test_sometag(self):
"""Test the tag"""

template_content = """
{% sometag "some string" %}
"""

#print
loader.get_template_from_string(template_content).render(self.context)
print
template.Template(template_content).render(self.context)


if __name__ == '__main__':
unittest.main()

But I keep getting "TemplateSyntaxError: Invalid block tag: 'sometag'"

As a reference I've been looking on to this
http://code.djangoproject.com/browser/django/trunk/tests/othertests/templates.py?rev=3113
only difference I can see is the test_template_loader() function, but
is that it? I should also do template_loader to get the tag tests? I
would like to know what is the simplest way to do this, there got to
be a way to test these without custom template loader...

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Deserializing xml or json goes into infinite recursion

[Kurt Schwehr]

Hi All,

I'm attempting to pull data from an older django server (0.9x) into a
django 1.1.1 app.  I get an infinite recursion error with either the
json or xml data.  Is this a problem with version skew and the formats
of serialize/deserialize or do I likely have a coding error on my
part?

This is using django 1.1.1 with python 2.6 and sqlite3 from fink on
macosx 10.6

Any help would be greatly appreciated.

Thanks!
-kurt


class alert(models.Model):
pk = models.CharField(max_length=10, primary_key=True)
zone_id = models.IntegerField()
first_good_data = models.DateTimeField()
...

from django.core import serializers
data = file('nrwbuoys.xml').read()
objs = serializers.deserialize('xml',data)
o = objs.next()

/sw32/lib/python2.6/site-packages/django/db/models/base.pyc in
_set_pk_val(self, value)
375
376 def _set_pk_val(self, value):
--> 377 return setattr(self, self._meta.pk.attname, value)
378
379 pk = property(_get_pk_val, _set_pk_val)

RuntimeError: maximum recursion depth exceeded while calling a Python
object


Where the xml looks like this:



  
1970-01-01
00:05:26
...
   32427
DEPLOYED
1
  


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Re: uniquely identifying an entry

[Waqqas Jabbar]

Every model has a field by the name of  "id" which is the primary key of the
db table
u can use SlugField() for a named unique value.

On Thu, Feb 4, 2010 at 11:20 PM, harryos  wrote:

> hi
> (sorry about this  newbie  question..)
> I have designed an entry and a category as follows.
> The entry doesn't have a title.(The user is not expected to provide a
> title for it )It is uniquely identified by a combination of its
> published datetime and the name of the category it belongs to.
>
> class MyCategory(models.Model):
>name=models.CharField(max_length=10)
>description=models.TextField()
>slug=models.SlugField(unique=True)
>
>def __unicode__(self):
>return self.name
>
> class MyEntry(models.Model):
>posted_time=models.DateTimeField(default=datetime.now)
>category=models.ForeignKey(MyCategory)
>description=models.TextField()
>author=models.ForeignKey(User)
>
>def __unicode__(self):
>return "%s%s"%(self.category.name,self.posted_time)
>
> I would like to list all entries posted at different minutes in an
> hour. and also show the details of a single entry.I am not sure how I
> can do this.
>
> I am wondering if I can get details of an entry like
> /myapp/entries/2010/jan/01/10/35/splcat
> sothat I can get an entry belonging to 'splcat' posted at 10 hrs,35
> minutes on 1st jan 2010. Is there some way I can do lookup on the
> hour,minute of posted_time?
>
>
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Re: problem with get_absolute_url

[Mike Ramirez]

On Sunday 07 February 2010 10:49:03 jimgardener wrote:
> Thanks Mike for the reply.
> 
> I rewrote the method as
> @models.permalink
> def get_absolute_url(self):
> return("myapp_entry_detail",(),{'id':self.id})
> 
> When I go to the admin interface's edit page for an entry and click
> the viewsite button it causes the following error,
> NoReverseMatch,Reverse for 'myapp_entry_detail' with arguments '()'
> and keyword arguments '{'id': 6}' not found.
> 
> When I try in browser http://127.0.0.1:8000/myapp/1/ causes
> ValueError,dictionary update sequence element #0 has length 1; 2 is
> required
> 
> is  this caused by the name  'myapp_entry_detail' in the urlpattern
> below?
> (r'^(?P\d+)/$','myapp.views.entry_detail','myapp_entry_detail'),
> 
> The following is the entry_detail method which I defined
> def entry_detail(request,id):
> entry=MyEntry.objects.get(id=id)
> entry_detail_dict={'object':entry}
> return render_to_response('myapp/
> myentry_detail.html',entry_detail_dict)
> 
> I can't figure out why these errors are occuring..Everything works
> fine when I hardcode the url and omit the name 'myapp_entry_detail' in
> the urlpattern.If I don't omit that name in urlpattern ,the Request
> URL http://127.0.0.1:8000/myapp/1/ causes the ValueError which I
> mentioned earlier.
> 

See the link below and you want your pattern  to be like this 

url(r'^(?P\d+)/$','myapp.views.entry_detail',name='myapp_entry_detail'),


Actually read this whole page, but this anchor is the important part, and the 
reverse() towards the bottom 
http://docs.djangoproject.com/en/dev/topics/http/urls/#url

and for completeness reread through this again:
http://docs.djangoproject.com/en/dev/ref/models/instances/#the-permalink-
decorator

In the end tho, I usually just use the name='' in the url() pattern along with 
the **kwargs as described before.  But make sure you understand those two 
pages and you should be able to get it working perfect.

Mike
-- 
Magnocartic, adj.:
Any automobile that, when left unattended, attracts shopping carts.
-- Sniglets, "Rich Hall & Friends"


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Re: problem with get_absolute_url

[jimgardener]

Thanks Mike for the reply.

I rewrote the method as
@models.permalink
def get_absolute_url(self):
return("myapp_entry_detail",(),{'id':self.id})

When I go to the admin interface's edit page for an entry and click
the viewsite button it causes the following error,
NoReverseMatch,Reverse for 'myapp_entry_detail' with arguments '()'
and keyword arguments '{'id': 6}' not found.

When I try in browser http://127.0.0.1:8000/myapp/1/ causes
ValueError,dictionary update sequence element #0 has length 1; 2 is
required

is  this caused by the name  'myapp_entry_detail' in the urlpattern
below?
(r'^(?P\d+)/$','myapp.views.entry_detail','myapp_entry_detail'),

The following is the entry_detail method which I defined
def entry_detail(request,id):
entry=MyEntry.objects.get(id=id)
entry_detail_dict={'object':entry}
return render_to_response('myapp/
myentry_detail.html',entry_detail_dict)

I can't figure out why these errors are occuring..Everything works
fine when I hardcode the url and omit the name 'myapp_entry_detail' in
the urlpattern.If I don't omit that name in urlpattern ,the Request
URL http://127.0.0.1:8000/myapp/1/ causes the ValueError which I
mentioned earlier.

Any help will be much appreciated
thanks
jim

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Date-based generic views - UTC handling

[Wayne Dyck]

I have a database model in which the datetime entry of an item is
stored as a DateTimeField(). This datetime is stored as UTC. In one of
my views, which displays details for each entry, I am converting and
formatting the UTC time to PST.

I just started using generic views and for
"django.views.generic.date_based.archive_month" there is the
"date_field" argument which indicates the name of the DateTimeField in
the QuerySet's model that the view should use.

Is there an easy way to format this date_field to my local time zone
i.e. PST? I have also tried using the "date" and "time" filters within
the template itself, however, those are still UTC.

Any pointers would be appreciated.

Wayne

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How can _meta.local_fields not match the table schema in the database?

[br...@instantdirectmarketing.com]

I'm completely confused about why _meta.local_fields returns more
fields than the database table contains. The User model inherits from
contrib.auth.models.User.


$ mysql -u user -p database
Enter password:
Reading table information for completion of table and column
names
You can turn off this feature to get a quicker startup with -A

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1240032
Server version: 5.0.77 Source distribution

mysql> describe auth_user;
++--+--+-+-
++
| Field  | Type | Null | Key | Default |
Extra  |
++--+--+-+-
++
| id | int(11)  | NO   | PRI | NULL|
auto_increment |
| username   | varchar(30)  | NO   | UNI | NULL
||
| first_name | varchar(30)  | NO   | | NULL
||
| last_name  | varchar(30)  | NO   | | NULL
||
| email  | varchar(75)  | NO   | | NULL
||
| password   | varchar(128) | NO   | | NULL
||
| is_staff   | tinyint(1)   | NO   | | NULL
||
| is_active  | tinyint(1)   | NO   | | NULL
||
| is_superuser   | tinyint(1)   | NO   | | NULL
||
| last_login | datetime | NO   | | NULL
||
| date_joined| datetime | NO   | | NULL
||
| email_isvalid  | tinyint(1)   | NO   | | NULL
||
| email_key  | varchar(16)  | YES  | | NULL
||
| reputation | int(10) unsigned | NO   | | NULL
||
| gravatar   | varchar(32)  | NO   | | NULL
||
| gold   | smallint(6)  | NO   | | NULL
||
| silver | smallint(6)  | NO   | | NULL
||
| bronze | smallint(6)  | NO   | | NULL
||
| questions_per_page | smallint(6)  | NO   | | NULL
||
| last_seen  | datetime | NO   | | NULL
||
| real_name  | varchar(100) | NO   | | NULL
||
| website| varchar(200) | NO   | | NULL
||
| location   | varchar(100) | NO   | | NULL
||
| date_of_birth  | date | YES  | | NULL
||
| about  | longtext | NO   | | NULL
||
++--+--+-+-
++
25 rows in set (0.00 sec)


>From the Django error page, this is the SQL statement that generates
the error:   Exception Value: (1110, "Column 'about' specified twice")

'INSERT INTO `auth_user` (`username`, `first_name`, `last_name`,
`email`, `password`, `is_staff`, `is_active`, `is_superuser`,
`last_login`, `date_joined`, `email_isvalid`, `email_key`,
`reputation`, `gravatar`, `gold`, `silver`, `bronze`,
`questions_per_page`, `last_seen`, `real_name`, `website`, `location`,
`date_of_birth`, `about`, `email_isvalid`, `email_key`, `reputation`,
`gravatar`, `gold`, `silver`, `bronze`, `questions_per_page`,
`last_seen`, `real_name`, `website`, `location`, `date_of_birth`,
`about`) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
%s, %s, %s, %s, %s, %s, %s, %s)'

This SQL statement seems to be generated by iterating over
User._meta.local_fields.
I don't understand why _meta.local_fields doesn't match the actual
User table schema.

$ python2.5 manage.py shell
Python 2.5.4 (r254:67916, Aug  5 2009, 12:42:40)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-44)] on linux2
Type "help", "copyright", "credits" or "license" for more
information.
(InteractiveConsole)
>>> from forum.models import User
>>> len(User._meta.local_fields)
39
>>> import pprint
>>> pprint.pprint(User._meta.local_fields)
[,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 # here is where customizations to User begin.
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 # this seems to be a duplicate of the fields added to User
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ,
 ]
>>>

This is how this project customized User:

from django.contrib.auth.models import User

The additional fields to the model are added thusly:

User.add_to_class('email_isvalid',
models.BooleanField(default=False))

Re: django-authopenid user timeout

[Marco Barbosa]

Hi Rachel,

I can't help your problem but I'm curious after you said "it seems to
be working just fine" - how did you manage to make it work?
You just followed the site instructions and it works?

I got a problem here when i click "register" it will complain that
there's missing a parameter on register() and only one was given..
no idea how or where to fix that..

Can you sign in in your app with a gmail login/password as an openid
provider? or is it just with openid url?

Thanks in advance. I'm really looking forward to make this work.
Perhaps I will be able to assist you alter if I use this.

On Jan 22, 2:18 am, Rachel Willmer  wrote:
> I've just installed django-authopenidin a project, and it seems to be
> working just fine, apart from one minor issue.
>
> (The creator of django-authopenidisn't maintaining the project any
> more, and there isn't a mailing list, hence why I'm asking this
> question here rather than elsewhere.)
>
> So, as I say, it works fine except the user's login gets timed-out
> after a short while, and I'd like to keep people logged in unless they
> explicitly logged out. Anyone know how to do this? I can't see any
> reference to timeouts in the documentation.
>
> Actually, I'm not even sure whether this timeout is caused in
> django-authopenidor down at the core django level or elsewhere.
>
> Any pointers very welcome!
> Rachel

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Re: Next previous links from a query set / generi views

[eaman]

On Feb 7, 2:56 pm, Eric Abrahamsen  wrote:
> On Feb 7, 2010, at 8:54 PM, eaman wrote:
[CUT]
> The lazy option would probably be to add get_next() and get_previous()  
> methods to your model, that return an instance based on whatever  
> definition of "next" and "previous" works for you. You might consider  
> some kind of timestamp field for your model, though – you'd be  
> surprised how often that comes in handy…

Thanks, I've made a try with the free pagination, which is nice and
easy
but doesn't work out of the box as I would like (but that's probbly me
unable to pass an extra parameter to limit the query set...).

I'm up to code those two methods, I guess I'll try first to embed them
in the model and then to think about of some form of abstraction to
use them
with others similar models.

Generic views are really nice, but I guess it's time for me to  dive
deeper in models and views.

Thanks for the clue.

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Re: problem with get_absolute_url

[Mike Ramirez]

> Then what you should be returning is the reverse() args, which is the
>  viewname as a string,
> 

This is wrong, it's the name parameter for the url in urls.py

Sorry...

Mike
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Re: csrf error on login and admin

[Nixarn]

Ok. Most likely the problem is when nginx is giving me 499 (client
timeout) errors.

On Feb 7, 3:50 pm, Nixarn  wrote:
> Hmm apparently doesn't work anymore gah... hrmp. Looking into it.
>
> Niklas
>
> On Feb 7, 3:18 pm, Nixarn  wrote:
>
>
>
> > Having the same problem with the dev version of django. I just can't
> > get into the Admin.
>
> > Works fine in Chrome for some reason but with Firefox or IE I get:
>
> > 403 Forbidden
>
> > CSRF verification failed. Request aborted.
>
> > Reason given for failure: CSRF cookie not set.
>
> > And I've tried clearing the cache and cookies from the browser. All
> > without luck :/
>
> > Niklas
>
> > On Dec 19 2009, 1:38 am, Kenneth Gonsalves  wrote:
>
> > > On Wednesday 16 Dec 2009 10:45:49 am Paddy Joy wrote:
>
> > > > Try 'django.middleware.csrf.CsrfMiddleware' instead of
> > > > 'django.contrib.csrf.middleware.CsrfMiddleware'
>
> > > copied and pasted straight from the official docs
> > > --
> > > regards
> > > Kenneth Gonsalves
> > > Senior Project Officer
> > > NRC-FOSShttp://nrcfosshelpline.in/web/

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Re: Next previous links from a query set / generi views

[Eric Abrahamsen]

On Feb 7, 2010, at 8:54 PM, eaman wrote:




On Feb 7, 3:24 am, Eric Abrahamsen  wrote:

Yup, if you have non-null date/datetime fields on your model, each
model will automatically get "get_next_by_FOO" and
"get_previous_by_FOO" methods, where FOO is the name of the datetime

Well I guess the 'Lazy' optiond is to add a date field to my model and
get the free pagination. Or code my own view, of course.


The lazy option would probably be to add get_next() and get_previous()  
methods to your model, that return an instance based on whatever  
definition of "next" and "previous" works for you. You might consider  
some kind of timestamp field for your model, though – you'd be  
surprised how often that comes in handy…




Thanks.
/eaman
[CUT]

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Re: Reversed URLs problem

[Karen Tracey]

On Sun, Feb 7, 2010 at 4:12 AM, Daniel Roseman wrote:

> If all URLs work both with and without a prefix, it would seem that
> you've somehow duplicated your URL definitions somewhere. Could you
> post your entire urls.py? Preferably somewhere like dpaste.com.
>

Also some information about deployment environment might be illuminating.
 If not the dev server, what exactly, and what sort of config have you set
up for it?

Karen

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Re: csrf error on login and admin

[Nixarn]

Hmm apparently doesn't work anymore gah... hrmp. Looking into it.

Niklas

On Feb 7, 3:18 pm, Nixarn  wrote:
> Having the same problem with the dev version of django. I just can't
> get into the Admin.
>
> Works fine in Chrome for some reason but with Firefox or IE I get:
>
> 403 Forbidden
>
> CSRF verification failed. Request aborted.
>
> Reason given for failure: CSRF cookie not set.
>
> And I've tried clearing the cache and cookies from the browser. All
> without luck :/
>
> Niklas
>
> On Dec 19 2009, 1:38 am, Kenneth Gonsalves  wrote:
>
>
>
> > On Wednesday 16 Dec 2009 10:45:49 am Paddy Joy wrote:
>
> > > Try 'django.middleware.csrf.CsrfMiddleware' instead of
> > > 'django.contrib.csrf.middleware.CsrfMiddleware'
>
> > copied and pasted straight from the official docs
> > --
> > regards
> > Kenneth Gonsalves
> > Senior Project Officer
> > NRC-FOSShttp://nrcfosshelpline.in/web/

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Re: csrf error on login and admin

[Nixarn]

Might have gotten somewhere with this.

I'm using nginx and rewriting urls with www to be without www. And in
firefox I seem to be getting the following weirdness in firebug:

domainname.com, status: timeout, domain: domainname.com, size: 1.8kb,
time: 26ms
domainname.com, status: 200 OK,  domain: domainname.com, size: 1.8kb,
time: 146ms

So the request gets a timeout after 26ms for some bizzar reason. I
remoed the rewrite rules and were able to log in to admin with
firefox.

Niklas

On Feb 7, 3:18 pm, Nixarn  wrote:
> Having the same problem with the dev version of django. I just can't
> get into the Admin.
>
> Works fine in Chrome for some reason but with Firefox or IE I get:
>
> 403 Forbidden
>
> CSRF verification failed. Request aborted.
>
> Reason given for failure: CSRF cookie not set.
>
> And I've tried clearing the cache and cookies from the browser. All
> without luck :/
>
> Niklas
>
> On Dec 19 2009, 1:38 am, Kenneth Gonsalves  wrote:
>
>
>
> > On Wednesday 16 Dec 2009 10:45:49 am Paddy Joy wrote:
>
> > > Try 'django.middleware.csrf.CsrfMiddleware' instead of
> > > 'django.contrib.csrf.middleware.CsrfMiddleware'
>
> > copied and pasted straight from the official docs
> > --
> > regards
> > Kenneth Gonsalves
> > Senior Project Officer
> > NRC-FOSShttp://nrcfosshelpline.in/web/

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Re: csrf error on login and admin

[Nixarn]

Having the same problem with the dev version of django. I just can't
get into the Admin.

Works fine in Chrome for some reason but with Firefox or IE I get:

403 Forbidden

CSRF verification failed. Request aborted.

Reason given for failure: CSRF cookie not set.

And I've tried clearing the cache and cookies from the browser. All
without luck :/

Niklas

On Dec 19 2009, 1:38 am, Kenneth Gonsalves  wrote:
> On Wednesday 16 Dec 2009 10:45:49 am Paddy Joy wrote:
>
> > Try 'django.middleware.csrf.CsrfMiddleware' instead of
> > 'django.contrib.csrf.middleware.CsrfMiddleware'
>
> copied and pasted straight from the official docs
> --
> regards
> Kenneth Gonsalves
> Senior Project Officer
> NRC-FOSShttp://nrcfosshelpline.in/web/

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Decorator problem

[cerberos]

I'm trying to make a decorator that checks if a user is staff and
redirects to the login page if not logged in or returns a 403 for
logged in users that aren't staff.

I found permission_required_with_403 (http://www.djangosnippets.org/
snippets/254/) which works well so I've added is_staff_with_403 as
below. When I try to use it I get the error at the bottom of this
post.


from django.contrib.auth import REDIRECT_FIELD_NAME
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.http import HttpResponseRedirect

def user_passes_test_with_403(test_func, login_url=None):
"""
Decorator for views that checks that the user passes the given
test.

Anonymous users will be redirected to login_url, while users that
fail
the test will be given a 403 error.
"""
if not login_url:
from django.conf import settings
login_url = settings.LOGIN_URL
def _dec(view_func):
def _checklogin(request, *args, **kwargs):
if test_func(request.user):
return view_func(request, *args, **kwargs)
elif not request.user.is_authenticated():
return HttpResponseRedirect('%s?%s=%s' % (login_url,
REDIRECT_FIELD_NAME, request.get_full_path()))
else:
resp = render_to_response('403.html',
context_instance=RequestContext(request))
resp.status_code = 403
return resp
_checklogin.__doc__ = view_func.__doc__
_checklogin.__dict__ = view_func.__dict__
return _checklogin
return _dec


def permission_required_with_403(perm, login_url=None):
"""
Decorator for views that checks whether a user has a particular
permission
enabled, redirecting to the log-in page or rendering a 403 as
necessary.
"""
return user_passes_test_with_403(lambda u: u.has_perm(perm),
login_url=login_url)


def is_staff_with_403(login_url=None):
"""
Decorator for views that checks whether a user is_staff,
redirecting to
the log-in page or rendering a 403 as necessary.
"""
return user_passes_test_with_403(lambda u: u.is_staff(),
login_url=login_url)


Here's the line from my urlconf
url(r'^mymodel/add$', views.my_model_add, name='my_model_add'),


Here's the error I get

Traceback (most recent call last):

  File "/Users/peter/.virtualenvs/dive/lib/python2.5/site-packages/
django/core/servers/basehttp.py", line 279, in run
self.result = application(self.environ, self.start_response)

  File "/Users/peter/.virtualenvs/dive/lib/python2.5/site-packages/
django/core/servers/basehttp.py", line 651, in __call__
return self.application(environ, start_response)

  File "/Users/peter/.virtualenvs/dive/lib/python2.5/site-packages/
django/core/handlers/wsgi.py", line 245, in __call__
response = middleware_method(request, response)

  File "/Users/peter/.virtualenvs/dive/lib/python2.5/site-packages/
django/middleware/common.py", line 83, in process_response
if response.status_code == 404:

AttributeError: 'function' object has no attribute 'status_code'


Since both user.has_perm and user.is_staff both are boolean they
should be interchangeable so I don't understand why I'm getting this
error, and I don't know how to remedy it.



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Re: Next previous links from a query set / generi views

[eaman]

On Feb 7, 3:24 am, Eric Abrahamsen  wrote:
> Yup, if you have non-null date/datetime fields on your model, each  
> model will automatically get "get_next_by_FOO" and  
> "get_previous_by_FOO" methods, where FOO is the name of the datetime  
Well I guess the 'Lazy' optiond is to add a date field to my model and
get the free pagination. Or code my own view, of course.

Thanks.
/eaman
[CUT]

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Re: problem with get_absolute_url

[Mike Ramirez]

On Sunday 07 February 2010 01:01:22 jimgardener wrote:
>   def get_absolute_url(self):
> return ('myapp_entry_detail',[self.id])
> 

Try this 

@models.permalink
def get_abosulte_url(self):
return ("myapp_entry_detail", (), {'id': self.id})

---

@models.permalink is the decorator version of the get_absolute_url=...

Then what you should be returning is the reverse() args, which is the viewname 
as a string, the *args and **kwargs -- you could do (self.id) instead of the 
kwargs, but if you do that it should look like: ("myapp_entry_detail", 
(self.id), {}) I prefer kwargs for readability.

Mike


-- 
Interestingly enough, since subroutine declarations can come anywhere,
you wouldn't have to put BEGIN {} at the beginning, nor END {} at the
end.  Interesting, no?  I wonder if Henry would like it. :-) --lwall


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Description: This is a digitally signed message part.

Re: Reversed URLs problem

[Daniel Roseman]

On Feb 7, 1:12 am, adambossy  wrote:
> Hi folks, I'm having trouble with reversed urls when they are being
> called as template tags. I posted my question on Stack Overflow last
> week with no adequate responses. I'll copy it here (with slight
> modifications) for convenience.
>
> http://stackoverflow.com/questions/2189119/project-name-inserted-auto...
>
> I have my urls named like so in my root urls.py file...
>
> ...
> url(r'^login/$', 'login', name='site_login'),
> ...
>
> This allows me to access /login at my site's root. I have my template
> tag defined like so...
>
> ...
> 
> ...
>
> It works fine, except that Django automatically resolves that url as /
> myprojectname/login, not /login. Both urls are accessible. Only one is
> defined. Why is the projectname being inserted to the url
> automagically? This occurs for all url tags, not just this one.
>
> Thanks,
> Adam

If all URLs work both with and without a prefix, it would seem that
you've somehow duplicated your URL definitions somewhere. Could you
post your entire urls.py? Preferably somewhere like dpaste.com.
--
DR.

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Re: Getting endless redirects when accessing root url

[Dennis Kaarsemaker]

On za, 2010-02-06 at 07:52 -0800, Jan wrote:

> urlpatterns = patterns('',
>   (r'^/$', flatpage, { 'url' : 'home/' } ),

^/$ should be ^$

-- 
Dennis K.

The universe tends towards maximum irony. Don't push it.

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problem with get_absolute_url

[jimgardener]

hi
I am new to django..and was trying out the permalink method

I have defined a get_absolute_url for my Entry class  and used
permalink.

class MyEntry(models.Model):
pub_time=models.DateTimeField(default=datetime.now)
mycategory=models.ForeignKey()
def __unicode__(self):
return "%s%s"%(self.mycategory.name,self.pub_time)
def get_absolute_url(self):
return ('myapp_entry_detail',[self.id])
get_absolute_url=models.permalink(get_absolute_url)


In my urls/entries.py  I have given these url mappings

(r'^(?P\d+)/$' ,'myapp.views.entry_detail','myapp_entry_detail'),
(r'^$','myapp.views.entry_archive_index'),

and in the archive template am using the get_absolute_url like
{% for x in object_list %}
 {{x}}  
{% endfor %}

where object_list is passed to the template in entry_index method
def entry_archive_index(request):
entryset=MyEntry.objects.all()
entry_info={'object_list' : entryset}
return render_to_response('myapp/myentry_archive.html',entry_info)

Still when the archive page shows all the created entries,the link on
them doesn't point to the entry detail url which should be like  myapp/
1/ where 1 is the id of created entry.
(When I hardcode  'return "/myapp/%i/"% self.id ' in the
get_absolute_url of the class ,it works.But I know that is not the
correct way )
When I checked the source of archive page the url part looks like this

 MyCat2009-12-27 01:00:36  

Can someone give me some pointer to correct this?

thanks
jim

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Re: Pulling a user to save a form

[Daniel Roseman]

On Feb 6, 10:11 pm, kamilski81  wrote:
> No I am not, once the user is logged in I just want to pull the user
> from there...sort of like this
>
>   if request.method == 'POST':
>         instance = request.user
>         goal = Goal(user=instance)
>         form = GoalForm(request.POST, goal)
>         if form.is_valid():
>                form.save()
>
> and i'm getting the following error still.cause i'm not setting
> the user_id on the front-end but only on the back-end.
>  (1048, "Column 'user_id' cannot be null")
>
> Thanks for the quick responses so far.

If the user field is not in request.POST, it will be set to None on
form save. The easiest thing to do is this:

goal = form.save()
goal.user = user
goal.save()

--
DR.

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