Re: problem with deploying django using mod wsgi

[Nick Dokos]

sah  writes:

> Though i remove those two line it did not change anything. It works
> the same as before, i get the search_form page and if i give some
> value for search, I get a 404 error page saying that the page is not
> available in the server.
>

Then check the /var/log/apache2/error.log file on the server to see what
URL is being passed. I often do a `tail -f' on that file in an xterm
window so I can watch for errors.  And you might want to turn up the
verbosity of your server in /etc/apache2/apache2.conf - look for
LogLevel:

,
| #
| # LogLevel: Control the number of messages logged to the error_log.
| # Possible values include: debug, info, notice, warn, error, crit,
| # alert, emerg.
| #
| LogLevel warn
`

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Nick

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Re: Foreign Key problems with legacy database

[Nick Dokos]

Avraham Serour  writes:

> you don't need songid = models.Integerfield()

... and the ForeignKey should not specify a db_column.

>
> On Tue, Jul 23, 2013 at 6:04 AM, Brian Millham  wrote:
>
> I have the following models:
>
> class Requestlist(models.Model):
>    id = models.IntegerField(primary_key=True)
>    songid = models.Integerfield()
>    song = ForeignKey('Song', db_column='songid')
> class Song(models.Model):
>   id = models.IntegerField(primary_key=True)
>   title = models.CharField(max_length=255L)
>
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Nick

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Re: Views, Forms not working.

[Nick Dokos]

Nigel Legg  writes:

> template datatables.html:
> 
> 
> 
>     Make Tables
> 
>     
>      enctype="multipart/formdata">{% csrf_token %}
>    
>      {{ form.datFile.label_tag }} {{ form.datFile }} 
>      {{ form.structFile.label_tag }} {{ form.structFile }} 
> 
>      {{ form.bannerVar.label_tag}} {{ form.bannerVar }} 
> 
>      {{ form.stubVar.label_tag}} {{ form.stubVar }} 
>      {{ form.stubNets.label_tag }} {{ form.stubNets }} 
>
>     
>
> 
> 
>

Nothing to do with the problem, so just an fyi:  and  are missing.

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Re: Problem setting up django server

[Nick Dokos]

smy28  writes:

> Okay, so I ran python manage.py shell and I got the following error:
> TypeError: Error when calling the metaclass bases
> __init__() keywords must be strings
>

I'd suggest that you remove everything and start from scratch. Make
sure that all the requirements are met and that you are
getting the versions you think you are getting: starting python will
tell you the version. Also check which django-admin.py you are using (in
case you have more than one installed on your system) - if you are on
linux or a unix-y system, the command 

 $ which django-admin.py

will tell you.

I tried to duplicate your problem (I'm running python 2.7.3 and django
1.5). For the record, I do

$ django-admin.py startproject foo
$ cd foo
$ python manage.py shell

and I get no errors.

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Nick

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Re: Problem with csrf

[Nick Dokos]

MattDale  writes:

> You are correct in assuming that your first view using
> render_to_response shouldn't work without sending a RequestContext in.

> A much cleaner way is just to use the render function.
> https://docs.djangoproject.com/en/dev/topics/http/shortcuts/#render
> which takes a lot of typing out of the typical render_to_response with
> RequestContext.
>

OK - thanks! I tried the render() approach and it works fine. I'll be
using that one.

There is still the question of whether the doc needs fixing. I take it
you are saying that it does?
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Problem with csrf

[Nick Dokos]

I have a simple application and it DTRT before turning on CSRF
(this is on Django 1.5.1). So I tried to follow the documentation
to turn on CSRF detection and was getting intro trouble.

First I tried to follow this page:

   https://docs.djangoproject.com/en/1.5/ref/contrib/csrf/

I did steps 1 and 2 (uncommenting the csrf middleware in
MIDDLEWARE_CLASSES and adding {% csrf_token %} to my (one and only)
POST form) and then tried step 3.2:

--8<---cut here---start->8---
from django.core.context_processors import csrf
from django.shortcuts import render_to_response

def my_view(request):
c = {}
c.update(csrf(request))
# ... view code here
return render_to_response("a_template.html", c)
--8<---cut here---end--->8---

where I added my dictionary entries to c before passing it to
render_to_response.

That did not work - the development server said:

,
| /usr/local/lib/python2.7/dist-packages/django/template/defaulttags.py:58:
| UserWarning: A {% csrf_token %} was used in a template, but the context
| did not provide the value.  This is usually caused by not using
| RequestContext.
| 
|   warnings.warn("A {% csrf_token %} was used in a template, but the
|   context did not provide the value.  This is usually caused by not
|   using RequestContext.")
`

I tried step 3.2, instead of step 3.1, because the page above did not
contain enough detail for me to figure out how to use RequestContext and
I was too lazy to type it into the search box: I was suitably punished
for my laziness.

I finally found a different page that described how to use RequestContext:

   
https://docs.djangoproject.com/en/dev/ref/templates/api/#subclassing-context-requestcontext

with the following code fragment:

--8<---cut here---start->8---
from django.shortcuts import render_to_response
from django.template import RequestContext

def some_view(request):
# ...
return render_to_response('my_template.html',
  my_data_dictionary,
  context_instance=RequestContext(request))
--8<---cut here---end--->8---

I adapted it for my purposes and things are working fine.

The question is: is the first method supposed to work? If so, what am
I doing wrong? If not, it should be taken out of the documentation.

Also, can a link be added in the first page to get to the second page
easily?

Thanks!
-- 
Nick



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Re: Fwd: Delivery Status Notification (Failure)

[Nick Dokos]

jesmine chaudhuri  wrote:

> Hello,
> 
> I am new in Python and Django. This is my first test project following the
> site :
> 
> https://docs.djangoproject.com/en/1.3/intro/tutorial01/
> 
> I am using database MySQL.
> 
> I configured in
> 
> INSTALLED_APPS = (
>     'django.contrib.auth',
>     'django.contrib.contenttypes',
>     'django.contrib.sessions',
>     'django.contrib.sites',
>     'polls'
> )
> 
> After that I am trying to run :
> 
> python manage.py sql polls
> 
> But I am getting this error :
> 
> App with label polls could not be found. Are you sure your
> > INSTALLED_APPS setting is correct?
> 

The docs recommend that you add

...
'polls',
  )

with a final comma, but that's only to prevent you from errors if you
add more apps at the end: it should work without the comma if 'polls' is
the final element of the tuple. Nevertheless, you probably want to make
it a habit to add the comma (which btw is necessary for a one-element
tuple - not the case here, but forewarned is forearmed).

Do an ``ls'' in the directory where you do the ``python manage.py sql
polls'': do you have a subdirectory named `polls' with the standard
structure? Below, I have named the project `poll' and the app `polls'
(which is a bit confusing, sorry: I should have named the project
`poll_project' or something). Here's what I get:

,
| $ python manage.py sql polls
| BEGIN;
| CREATE TABLE "polls_poll" (
| "id" integer NOT NULL PRIMARY KEY,
| "question" varchar(200) NOT NULL,
| "pub_date" datetime NOT NULL
| )
| ;
| CREATE TABLE "polls_choice" (
| "id" integer NOT NULL PRIMARY KEY,
| "poll_id" integer NOT NULL REFERENCES "polls_poll" ("id"),
| "choice_text" varchar(200) NOT NULL,
| "votes" integer NOT NULL
| )
| ;
| COMMIT;
| 
| $ ls
| manage.py  poll  pollspolls.db
| 
| $ ls polls
| admin.py  admin.pyc  __init__.py  __init__.pycmodels.py   models.pyc  
tests.py  views.py
`

Nick

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Re: cannot install django-tracking

[Nick Dokos]

frocco  wrote:

> Hello,
> 
> I am getting
> django.core.exceptions.ImproperlyConfigured: Requested setting CACHES, but 
> settings are not
> configured. You must either define the environment variable 
> DJANGO_SETTINGS_MODULE or call
> settings.configure() before accessing settings.
> 
> trying pip install django-tracking
> 
> Does this work in django 1.5?
> 

FWIW, I tried ``pip install django-tracking'' in a virtualenv where I
had installed django 1.4.3 final, and it was successfully installed:


,
| $ pip install django-tracking
| Downloading/unpacking django-tracking
|   Downloading django-tracking-0.4.1.tar.gz (1.9Mb): 1.9Mb downloaded
|   Running setup.py egg_info for package django-tracking
| 
| warning: no previously-included files matching '.*.swp' found under 
directory 'tracking'
| warning: no previously-included files matching '*.*' found under 
directory 'demo'
| Installing collected packages: django-tracking
|   Running setup.py install for django-tracking
| 
| warning: no previously-included files matching '.*.swp' found under 
directory 'tracking'
| warning: no previously-included files matching '*.*' found under 
directory 'demo'
| Successfully installed django-tracking
| Cleaning up...
`

Nick

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Re: Stuck

[Nick Dokos]

rktur...@gmail.com wrote:

> I'll keep this as short as possible. When I input  python manage.py sql 
> polls, i get the following
> error:
>  
> C:\Python27\Lib\site-packages\django\bin\mysite>python manage.py sql pol
> Traceback (most recent call last):
>   File "manage.py", line 10, in 
> execute_from_command_line(sys.argv)
>   File "C:\Python27\lib\site-packages\django\core\management\__init__.py
> 443, in execute_from_command_line
> utility.execute()
>   File "C:\Python27\lib\site-packages\django\core\management\__init__.py
> 382, in execute
> self.fetch_command(subcommand).run_from_argv(self.argv)
>   File "C:\Python27\lib\site-packages\django\core\management\base.py", l
>  in run_from_argv
> self.execute(*args, **options.__dict__)
>   File "C:\Python27\lib\site-packages\django\core\management\base.py", l
>  in execute
> self.validate()
>   File "C:\Python27\lib\site-packages\django\core\management\base.py", l
>  in validate
> num_errors = get_validation_errors(s, app)
>   File "C:\Python27\lib\site-packages\django\core\management\validation.
> e 30, in get_validation_errors
> for (app_name, error) in get_app_errors().items():
>   File "C:\Python27\lib\site-packages\django\db\models\loading.py", line
>  get_app_errors
> self._populate()
>   File "C:\Python27\lib\site-packages\django\db\models\loading.py", line
> _populate
> self.load_app(app_name, True)
>   File "C:\Python27\lib\site-packages\django\db\models\loading.py", line
> load_app
> models = import_module('.models', app_name)
>   File "C:\Python27\lib\site-packages\django\utils\importlib.py", line 3
> port_module
> __import__(name)
>   File "C:\Python27\Lib\site-packages\django\bin\mysite\polls\models.py"
> 0
> votes = models.IntergerField()
>  ^
> IndentationError: unindent does not match any outer indentation level
> 
> So here is my settings.py "Installed apps" 
> 
> INSTALLED_APPS = (
> 'django.contrib.auth',
> 'django.contrib.contenttypes',
> 'django.contrib.sessions',
> 'django.contrib.sites',
> 'django.contrib.messages',
> 'django.contrib.staticfiles',
> # Uncomment the next line to enable the admin:
> # 'django.contrib.admin',
> # Uncomment the next line to enable admin documentation:
> # 'django.contrib.admindocs',
> 'polls',
> )
> 
> And here is my models.py:
> 
> from django.db import models
> 
> class Poll(models.Model):
> question = models.CharField(max_length=200)
> pub_date = models.DateTimeField('date published')
> class Choice(models.Model):
> poll = models.ForeignKey(Poll)
> choice = models.CharField(max_length=200)
> votes = models.IntergerField()
> 

In python, indentation matters. Also, spelling matters just as much as
it does in other languages: IntergerField should be IntegerField. Try:

--8<---cut here---start->8---
class Poll(models.Model):
  question = models.CharField(max_length=200)
  pub_date = models.DateTimeField('date published')

class Choice(models.Model):
  poll = models.ForeignKey(Poll)
  choice = models.CharField(max_length=200)
  votes = models.IntegerField()
--8<---cut here---end--->8---

Nick

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Re: invalid syntax (admin.py, line 25)

[Nick Dokos]

Jim Wombles  wrote:

> I'm working through the Django Tutorial: Photo Organizer and Sharing App and 
> I am getting an invalid syntax error in line 25 of admin.py:
> 
> 1st = [x[1] for x in self.tags.values_list()]
> 

Forget django: just go into the python interpreter and say

1st = 3

Same error, right? :-)

Nick

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Re: i am getting ConfigParser.NoSectionError: No section: 'database' plz help

[Nick Dokos]

Laxmikant Gurnalkar  wrote:

> Thats the same I'm saying to you.
> In your settings.conf. There is no section named 'database'

Look again: there *is* a [database] section at the very bottom:

[database]
engine    : django.db.backends.mysql
name  : kasakoo
user  : root
password  : password
host  : localhost
port  : 3306

Nick

> create a section in that file to store your database info.
> Check the file located at :
> os.path.join(PROJECT_PATH, 'settings.conf')
> 
> On Fri, Sep 28, 2012 at 9:50 AM, Navnath Gadakh  
> wrote:
> 
> my setting.py is
>  and a have also created a new setting.conf .may be there is problem of 
> path,plz  help. thnks in
> adv
> # Django settings for kasakooproj project.
>
> import os
> import ast
>
> from ConfigParser import RawConfigParser
>
> config = RawConfigParser()
> PROJECT_PATH = os.path.realpath(os.path.dirname(__file__))
> config.read(os.path.join(PROJECT_PATH, 'settings.conf'))
>
> DEBUG = True
> TEMPLATE_DEBUG = DEBUG
> 
> MANAGERS = ADMINS
>
> DATABASES = {
>     'default': {
>     'ENGINE'  : config.get('database','engine'),
>     'NAME'    : config.get('database','name'),
>     'USER'    : config.get('database','user'),
>     'PASSWORD': config.get('database','password'),
>     'HOST'    : config.get('database','host'),
>     'PORT'    : config.get('database','port'), }
> }
>
> # 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.
> # On Unix systems, a value of None will cause Django to use the same
> # timezone as the operating system.
> # If running in a Windows environment this must be set to the same as your
> # system time zone.
> TIME_ZONE = 'America/Chicago'
>
> # 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
>
> # If you set this to False, Django will not format dates, numbers and
> # calendars according to the current locale
> USE_L10N = True
>
> # Absolute filesystem path to the directory that will hold user-uploaded 
> files.
> # Example: "/home/media/media.lawrence.com/media/"
> MEDIA_ROOT = os.path.join(PROJECT_PATH, 'media')
>
> # URL that handles the media served from MEDIA_ROOT. Make sure to use a
> # trailing slash.
> # Examples: "http://media.lawrence.com/media/;, 
> "http://example.com/media/;
> MEDIA_URL = config.get('media_url', 'value')
>
> # Absolute path to the directory static files should be collected to.
> # Don't put anything in this directory yourself; store your static files
> # in apps' "static/" subdirectories and in STATICFILES_DIRS.
> # Example: "/home/media/media.lawrence.com/static/"
> STATIC_ROOT = os.path.join(PROJECT_PATH, 'static')
>
> # URL prefix for static files.
> # Example: "http://media.lawrence.com/static/;
> STATIC_URL = config.get('static_url', 'value')
>
> # URL prefix for admin static files -- CSS, JavaScript and images.
> # Make sure to use a trailing slash.
> # Examples: "http://foo.com/static/admin/;, "/static/admin/".
> ADMIN_MEDIA_PREFIX = '/static/admin/'
>
> # Additional locations of static files
> STATICFILES_DIRS = (
>     # Put strings here, like "/home/html/static" or 
> "C:/www/django/static".
>     # Always use forward slashes, even on Windows.
>     # Don't forget to use absolute paths, not relative paths.
> )
>
> # List of finder classes that know how to find static files in
> # various locations.
> STATICFILES_FINDERS = (
>     'django.contrib.staticfiles.finders.FileSystemFinder',
>     'django.contrib.staticfiles.finders.AppDirectoriesFinder',
> #    'django.contrib.staticfiles.finders.DefaultStorageFinder',
> )
>
> # Make this unique, and don't share it with anybody.
> SECRET_KEY = ''
>
> # List of callables that know how to import templates from various 
> sources.
> TEMPLATE_LOADERS = (
>     'django.template.loaders.filesystem.Loader',
>     'django.template.loaders.app_directories.Loader',
> # 'django.template.loaders.eggs.Loader',
> )
>
> MIDDLEWARE_CLASSES = (
>     'django.middleware.common.CommonMiddleware',
>     'django.contrib.sessions.middleware.SessionMiddleware',
>     'django.middleware.csrf.CsrfViewMiddleware',
>