Re: Getting at Oracle ROWID

[rahajiyev]

> MyModel.objects.extra(select={'rowid': "rowid || ''"})
>
Thanks. I don't think extra() takes primary_key=True, does it?
I wouldn't want Django to auto-add column id otherwise.

Assuming I have:
MyModel.objects.extra(select={'id': "rowid || ''"})
OK, that's fine for fetching the ID itself, suitable for creating
forms. But what if I want to fetch an item by this virtual PK, or
update by PK with or without prior fetching?

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mssql

[Min Hong Tan]

hi all,

i'm going to use django-mssql.  is there any one has use this b4? and any
working example?
am i need to define a model in models.py?? how if i run syndb. will it sync
to my default. mysql
database?

Regards,
MH

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how to have a foreign key to a field of same model which in turn is foreign key to another model ..

[vijay shanker]

hi
how can i have this:
client_groups = models.ForeignKey(User, to_field="groups")

it din worked

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[no subject]

[Satvir Toor]

here is my problem
As i request for a url  specified in urlpatterns variable in urls.py
file of the djangoproject It gives
TypeError
Exception Value: 'str' object is not callable
 suggest me

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Re: Update database with model changes

[Robert Steckroth]

Well, that would be a lesson for me.
Looks like I will have to incorporate south into my endeavours.
Much thanks to the Django community.




On Thu, Jun 7, 2012 at 8:55 PM, Psamathos  wrote:
> South will handle schema migrations for you: http://south.aeracode.org/
>
> This tutorial is a good place to start and covers the basic set-up:
> http://south.aeracode.org/docs/tutorial/part1.html
>
> Basically, you want to revert your changes so your model matches your
> database, install south and configure your app to use it, then convert your
> models to use south by typing:
>
> python manage.py schemamigration [appname] --initial
>
> This creates migration files which are stored in [appname]/migrations/
> You can then apply these migrations using this command:
>
> python manage.py migrate [appname]
>
> Note that you need to do this for each app in your project. When you change
> the model and want to update the database, you can create migration files
> automatically with:
>
> python manage.py schemamigration [appname] --auto
>
> Then just apply them as you did with the initial migration.
>
> Some best practices for avoiding issues with South:
>
> If your model has a NOT NULL field then it should always have a default.
> That way South will know what value to fill in when it creates the field.
> If you are changing a pre-existing model field drastically and don't care
> about losing data, I find it most convenient to remove the field, migrate
> the schema, then add the field again with the new specification . This way
> you will avoid conflicts with any existing constraints. Note that to
> preserve the data you'll need to create a (more complicated) data migration.
>
> Hope this helps.
>
>
> On Thursday, 7 June 2012 14:05:13 UTC-4, Surgemcgee wrote:
>>
>> Hey Gang, is there a way to update the database with a syncdb or
>> other command after a model has been changed? I added a field
>> the the model after the syncdb.
>>
>>
>> --
>> Bust0ut, Surgemcgee: Systems Engineer ---
>> PBDefence.com
>> BudTVNetwork.com
>> RadioWeedShow.com
>> "Bringing entertainment to Unix"
>
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Re: Update database with model changes

[Psamathos]

South will handle schema migrations for you: http://south.aeracode.org/

This tutorial is a good place to start and covers the basic set-up: 
http://south.aeracode.org/docs/tutorial/part1.html

Basically, you want to revert your changes so your model matches your 
database, install south and configure your app to use it, then convert your 
models to use south by typing:

python manage.py schemamigration [appname] --initial

This creates migration files which are stored in [appname]/migrations/
You can then apply these migrations using this command:

python manage.py migrate [appname]

Note that you need to do this for each app in your project. When you change 
the model and want to update the database, you can create migration files 
automatically with:

python manage.py schemamigration [appname] --auto

Then just apply them as you did with the initial migration.

Some best practices for avoiding issues with South:

   - If your model has a NOT NULL field then it should always have a 
   default. That way South will know what value to fill in when it creates the 
   field.
   - If you are changing a pre-existing model field drastically and don't 
   care about losing data, I find it most convenient to remove the field, 
   migrate the schema, then add the field again with the new specification . 
   This way you will avoid conflicts with any existing constraints. Note that 
   to preserve the data you'll need to create a (more complicated) data 
   migration.
   
Hope this helps.


On Thursday, 7 June 2012 14:05:13 UTC-4, Surgemcgee wrote:
>
> Hey Gang, is there a way to update the database with a syncdb or 
> other command after a model has been changed? I added a field 
> the the model after the syncdb. 
>
>
> -- 
> Bust0ut, Surgemcgee: Systems Engineer --- 
> PBDefence.com 
> BudTVNetwork.com 
> RadioWeedShow.com 
> "Bringing entertainment to Unix" 
>

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How override RequestContext in generic views?

[Mikhail Golubev]

Hello,

I'm a kind of newbie with Django and recently I faced the following
problem.

I wrote custom context processor, that adds in RequestContext
'base_template' variable. It works fine but in some views I'd like to
override somehow this variable. I can do this with default shortcuts
function like render or render_to_response cause RequestContext
instance is updated with supplied context dictionary inside
render_to_string function as 'context_instance.update(dictionary)'.
But if I use class based generic views their render_to_response method
behaves differently.

e.g. I override get_context_data_method this way:

def get_context_data(self, **kwargs):
context = super(EditLayout, self).get_context_data(**kwargs)
context['base_template'] = "layout_edit.xhtml"
context["edit_mode"] = True
return context

but still get default value of 'base_template' (set in my context
processor ) in actually rendered template.

I found this workaround:
def render_to_response(self, context, **response_kwargs):
return render(self.request, self.get_template_names()[0],
context)

But I think that must be some better way to do it. Do I miss something?

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Django mod_wsgi + No data received in browser

[Jose]

I have the following code in wsgi.py and when I try viewing my site in
a browser I get a no data received message (Unable to load the webpage
because the server sent no data.)

I feel like I'm missing the part where this wsgi.py file loads the
actual contents of my site...

import os
import sys
import django.core.handlers.wsgi

# Reorder sys.path so new directories at the front.
sys.path = []
sys.path[:0] = ['/usr/bin/python26',
'/home/deploy/envs/site/lib/python2.6/site-packages/
setuptools-0.6c11-py2.6.egg',

'/home/deploy/envs/site/lib/python2.6/site-packages/pip-1.1-
py2.6.egg',

'/home/deploy/envs/site/lib/python2.6/site-packages',

'/home/deploy/envs/site/lib/python2.6/site-packages/PIL',
'/usr/lib64/python26.zip',
'/usr/lib64/python2.6',
'/usr/lib64/python2.6/plat-linux2',
'/usr/lib64/python2.6/lib-tk',
'/usr/lib64/python2.6/lib-dynload',
'/usr/lib64/python2.6/site-packages',
'/usr/lib64/python2.6/site-packages/Numeric',
'/usr/lib64/python2.6/site-packages/gtk-2.0',
'/usr/lib/python2.6/site-packages',
'/home/deploy/web/cms.site.com']

os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'

application = django.core.handlers.wsgi.WSGIHandler()

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Re: Question

[Gerald Klein]

I agree with Nik, the tutorial works but you have to make sure to pay close
attention and follow every step. I made the mistake the first time though
because I am a veteran of assuming too much and ended up missing nuances
that were pivotal to get things to work and beat my head against the wall
till someone told me what I'm telling you. Be patient and please ask direct
questions so that we can answer them directly with example.

--jerry

On Thu, Jun 7, 2012 at 2:46 PM, Nikolas Stevenson-Molnar <
nik.mol...@consbio.org> wrote:

> The official tutorial is probably the best "getting started" literature
> for Django that I've come across. What sorts confusion/bugs are you
> encountering?
>
> And just to make sure: this is the tutorial you're referring to?
> https://docs.djangoproject.com/en/1.4/intro/tutorial01/
>
> _Nik
>
> On 6/7/2012 12:36 PM, Peregil wrote:
> > I am trying to learn how to work with Django, and I am trying to make
> > a user registration with a login/password user. However, all the
> > tutorials are confusing and with so many bugs to run something. I
> > would appreciate if someone knows a great website, book, or have an
> > example how to create this page.
> >
> > Thanks and have a great day
> >
>
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>


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708-599-0352


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Re: Question

[Nikolas Stevenson-Molnar]

The official tutorial is probably the best "getting started" literature
for Django that I've come across. What sorts confusion/bugs are you
encountering?

And just to make sure: this is the tutorial you're referring to?
https://docs.djangoproject.com/en/1.4/intro/tutorial01/

_Nik

On 6/7/2012 12:36 PM, Peregil wrote:
> I am trying to learn how to work with Django, and I am trying to make
> a user registration with a login/password user. However, all the
> tutorials are confusing and with so many bugs to run something. I
> would appreciate if someone knows a great website, book, or have an
> example how to create this page.
>
> Thanks and have a great day
>

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Question

[Peregil]

I am trying to learn how to work with Django, and I am trying to make
a user registration with a login/password user. However, all the
tutorials are confusing and with so many bugs to run something. I
would appreciate if someone knows a great website, book, or have an
example how to create this page.

Thanks and have a great day

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Re: Develop a Facebook app with Django

[Timothy Makobu]

Hi. Checkout this thread
https://groups.google.com/forum/?fromgroups#!topic/django-users/fyGDJmTvpz4

On Thu, Jun 7, 2012 at 10:15 PM, francescobocca...@libero.it <
francescobocca...@libero.it> wrote:

> Hi all,
> i read some documentation on the web about Django and Facebook but i didn't
> found a right way to develop my Facebook application with Djando.
> Can you suggest how can start it?
> Thanks
>
> Francesco
>
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>
>

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Re: question about migrating php project

[CLIFFORD ILKAY]

On 06/07/2012 01:26 PM, kjs wrote:

Hello,

I am about to launch a Codeigniter project, but have future thoughts
about trying out Django sometime down the line.

My data is in MySQL and I have the urls as:

www.site.com/product/id/slug-name

The id is they primary id of the product.

If I do switch over to Django, will it be simple able to keep the
primary_id intact for my tables, so I don't have to change the urls?


Hi,

That would work just fine. Are the column names of your primary keys 
called "id"? Django assumes that by default. If it's not and let's say 
for the sake of the example it's product_id, it's simple to override 
Django's default behaviour and have Django recognize that as the PK.


I'm curious, if you're considering Django now, why not start the project 
now in Django? If you're an experienced developer and your project is 
relatively low complexity, you could probably build it while you're 
doing the (excellent) Django tutorial. That's how I built my first 
Django app about six years ago. It's a very well-documented, 
easy-to-grasp, productive framework where you can ramp up very quickly 
without having to know everything about it up front. The IRC channel 
(#django on irc.freenode.net) and this list are both fantastic support 
resources. The community is quite friendly and there are many very 
capable people who generously share their knowledge and time to help 
newcomers. I'd encourage to take the leap now if you're thinking about 
doing it anyway.

--
Regards,

Clifford Ilkay
Dinamis
1419-3230 Yonge St.
Toronto, ON
Canada  M4N 3P6


+1 416-410-3326

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Develop a Facebook app with Django

[francescobocca...@libero.it]

Hi all,
i read some documentation on the web about Django and Facebook but i didn't 
found a right way to develop my Facebook application with Djando.
Can you suggest how can start it?
Thanks

Francesco

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Re: Django session and Dojo dnd.

[voss]

Hi Hendrik,

THANK YOU, THANK YOU, and THANK YOU!! I found it!! I made a mistake when 
defining the url, and that's why I kept getting the "code 400" error.

Your test code is extremely beneficial! I can't thank you enough for all 
your help! 

   voss

On Thursday, June 7, 2012 1:04:27 PM UTC-5, henzk wrote:
>
>  Hi Voss,
>
> you were missing a comma after "details: JSON.stringify(details)"
> However, i don't think that was the cause of the problem. When using 
> csrf_exempt you do not need to include the csrf token.
>
> I have now created a test project and it's working here. The project is 
> called 'testp' and the app is called 'testa'
>
> #testp.urls
> from django.conf.urls import patterns, include, url
>
> urlpatterns = patterns('',
> url(r'^dojo/$', 'testa.views.dojo'),
> url(r'^test/$', 'testa.views.new_session'),
> )
>
> #testa.views
> from django.views.decorators.csrf import csrf_exempt
> from django.shortcuts import render
> from django.http import HttpResponse
>
> def dojo(request):
> return render(request, 'dojo.html')
>
> @csrf_exempt
> def new_session(request):
> if request.is_ajax():
> return HttpResponse('ok')
> else:
> return HttpResponse('only AJAX requests are allowed!')
>
> #dojo.html
> 
> 
>  src="http://ajax.googleapis.com/ajax/libs/dojo/1.7.2/dojo/dojo.js";<http://ajax.googleapis.com/ajax/libs/dojo/1.7.2/dojo/dojo.js>
> >
> 
> var details = [1,2,3,4,5]
> dojo.xhrPost( {
> url: "/test/",
> content: {details: JSON.stringify(details)},
> load: function(response){
> alert(response);
> },
> error: function(){
> alert("error");
> }
> });
> 
> 
> 
>
> If i visit localhost:8000/dojo/ it alerts 'ok'
>
> Maybe you can deduce your error by comparing this to your setup.
> Also, do you have a debugging tool like firebug? It really helps me out 
> quite often.
>
> Good luck!
>
> hendrik
>
> On 06/07/2012 06:58 PM, voss wrote: 
>
> Hi Hendrik,
>
> Thank you for your prompt reply. I really appreciate it!
>
> Yes, I am using the django development server, and it is on port 8000.  I, 
> too, read that the https can cause the '\x16\x03\x01' problem, but I don't 
> see how this can happen in my case because I did not create any https'. 
>
> Although it may not be csrf, do you think csrfmiddlewaretoken: '{{ 
> csrf_token }}' could be the missing piece (see 
> http://stackoverflow.com/questions/9085068/django-jquery-get-to-post)? It 
> seems to make sense to me because {% csrf_token %} is required for a normal 
> post request. If so, how do I use it in dojo.xhrPost? I tried  
>
>
> dojo.xhrPost( {
> url: "/test/",
> content: {
> details: JSON.stringify(details)
> csrfmiddlewaretoken: '{{ csrf_token }}'
> }, 
> load: function(response){
> alert(response);
> },
> error: function(){
> alert("error");
> } 
> });
>
>
> , but it did not change anything. I also commented out the is_ajax line, 
> but I got the same debug message.
>
>
> voss
>
> On Thursday, June 7, 2012 11:32:14 AM UTC-5, henzk wrote: 
>>
>>  Hi Voss,
>>
>> i guess you are right ... it may not be related to CSRF-Protection at all.
>> Are you using the django development server? I have found some references 
>> for '\x16\x03\x01' using google, e.g.
>>
>> http://wishmesh.com/2010/05/apache-logs-contains-x16x03x01-when-accessing-site-via-https/
>>
>> It seems that this is related to browsers that speak HTTPS to a 
>> (misconfigured) HTTP server.
>>
>> Can you verify that this happens also when using the django devserver on 
>> port 8000?
>> Another thing you could try is to get rid of the is_ajax check.
>> In either case you should return a response for non-ajax requests also 
>> ... otherwise you will provoke a HTTP500 in these cases.
>>
>> hendrik
>>
>>
>> On 06/07/2012 06:17 PM, voss wrote: 
>>
>> Hello Hendrik,
>>
>> To simplify things and to do some tests, I started with disabling the 
>> csrf protection. Here is my JS:
>>
>> dojo.xhrPost( {
>> url: "/test/",
>> content: {details: JSON.stringify(details)}, 
>> load: function(response){
>> alert(response);
>> },
>> error: function(){
>> alert("error");
>> } 
>> });
>>
>>
>> In views.py, I have:
>>
>> 

question about migrating php project

[kjs]

Hello,

I am about to launch a Codeigniter project, but have future thoughts about 
trying out Django sometime down the line.

My data is in MySQL and I have the urls as:

www.site.com/product/id/slug-name

The id is they primary id of the product.

If I do switch over to Django, will it be simple able to keep the 
primary_id intact for my tables, so I don't have to change the urls? Or 
will it take a bit of effort to massage the data so it has the same primary 
id. I imagine it shouldn't be too difficult, but just wanted to double 
check before I launch with my urls.

So, i'd like:

www.site.com/product/10/widget

to work in both codeigniter and django without needing to modify anything. 
Or would it be better to create a new number and use that instead of the 
primary_id and use that to lookup my record.

Thanks!

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Admin links not working after switching to Django 1.4

[mete]

Hello folks,

i have a django application that was created using 1.3.1, when i
change the runtime to use django 1.4 via virtualenv, on the admin
page: there is only the main screen , and no links to crud operations.

Anyone faced a similar issue?

Thanks in advance
Mete

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Re: Django session and Dojo dnd.

[voss]

Hello Hendrik,

Your code works on my machine, too!! I don't know what is wrong with my 
code. I will definitely compare it carefully to yours. Hopefully, I will 
find the cause soon.

By the way, I do have firebug running all the time, but it does not show 
any errors.

Once again, thank you so much for all your help! Your help is very much 
appreciated.
   voss

On Thursday, June 7, 2012 1:04:27 PM UTC-5, henzk wrote:
>
>  Hi Voss,
>
> you were missing a comma after "details: JSON.stringify(details)"
> However, i don't think that was the cause of the problem. When using 
> csrf_exempt you do not need to include the csrf token.
>
> I have now created a test project and it's working here. The project is 
> called 'testp' and the app is called 'testa'
>
> #testp.urls
> from django.conf.urls import patterns, include, url
>
> urlpatterns = patterns('',
> url(r'^dojo/$', 'testa.views.dojo'),
> url(r'^test/$', 'testa.views.new_session'),
> )
>
> #testa.views
> from django.views.decorators.csrf import csrf_exempt
> from django.shortcuts import render
> from django.http import HttpResponse
>
> def dojo(request):
> return render(request, 'dojo.html')
>
> @csrf_exempt
> def new_session(request):
> if request.is_ajax():
> return HttpResponse('ok')
> else:
> return HttpResponse('only AJAX requests are allowed!')
>
> #dojo.html
> 
> 
>  src="http://ajax.googleapis.com/ajax/libs/dojo/1.7.2/dojo/dojo.js";<http://ajax.googleapis.com/ajax/libs/dojo/1.7.2/dojo/dojo.js>
> >
> 
> var details = [1,2,3,4,5]
> dojo.xhrPost( {
> url: "/test/",
> content: {details: JSON.stringify(details)},
> load: function(response){
> alert(response);
> },
> error: function(){
> alert("error");
> }
> });
> 
> 
> 
>
> If i visit localhost:8000/dojo/ it alerts 'ok'
>
> Maybe you can deduce your error by comparing this to your setup.
> Also, do you have a debugging tool like firebug? It really helps me out 
> quite often.
>
> Good luck!
>
> hendrik
>
> On 06/07/2012 06:58 PM, voss wrote: 
>
> Hi Hendrik,
>
> Thank you for your prompt reply. I really appreciate it!
>
> Yes, I am using the django development server, and it is on port 8000.  I, 
> too, read that the https can cause the '\x16\x03\x01' problem, but I don't 
> see how this can happen in my case because I did not create any https'. 
>
> Although it may not be csrf, do you think csrfmiddlewaretoken: '{{ 
> csrf_token }}' could be the missing piece (see 
> http://stackoverflow.com/questions/9085068/django-jquery-get-to-post)? It 
> seems to make sense to me because {% csrf_token %} is required for a normal 
> post request. If so, how do I use it in dojo.xhrPost? I tried  
>
>
> dojo.xhrPost( {
> url: "/test/",
> content: {
> details: JSON.stringify(details)
> csrfmiddlewaretoken: '{{ csrf_token }}'
> }, 
> load: function(response){
> alert(response);
> },
> error: function(){
> alert("error");
> } 
> });
>
>
> , but it did not change anything. I also commented out the is_ajax line, 
> but I got the same debug message.
>
>
> voss
>
> On Thursday, June 7, 2012 11:32:14 AM UTC-5, henzk wrote: 
>>
>>  Hi Voss,
>>
>> i guess you are right ... it may not be related to CSRF-Protection at all.
>> Are you using the django development server? I have found some references 
>> for '\x16\x03\x01' using google, e.g.
>>
>> http://wishmesh.com/2010/05/apache-logs-contains-x16x03x01-when-accessing-site-via-https/
>>
>> It seems that this is related to browsers that speak HTTPS to a 
>> (misconfigured) HTTP server.
>>
>> Can you verify that this happens also when using the django devserver on 
>> port 8000?
>> Another thing you could try is to get rid of the is_ajax check.
>> In either case you should return a response for non-ajax requests also 
>> ... otherwise you will provoke a HTTP500 in these cases.
>>
>> hendrik
>>
>>
>> On 06/07/2012 06:17 PM, voss wrote: 
>>
>> Hello Hendrik,
>>
>> To simplify things and to do some tests, I started with disabling the 
>> csrf protection. Here is my JS:
>>
>> dojo.xhrPost( {
>> url: "/test/",
>> content: {details: JSON.stringify(details)}, 
>> load: function(response){
>> alert(response);
>> },
>> error: function(){
>> 

Two asks about customization admin-interface

[Dominis]

Greetings, i read about admin customization, but dont find answers... or 
dont understand it.
I have 2 questions.

1. I need to just add one css class for specialy field. It can be solve via 
Formsets, but i dont understand how do it for one field, i dont wanna to 
touch other fields in formset. I need it for add js_rich_text_editor, like 
FCKEditor.

2. I need to change layout of a model in admin site. Explain - i have a 
some articles, which have field "order". I want set this field visible in 
list of all articles, for more comfort for user. And add some method for 
change order (UP and DOWN the articles), i thought exist some way to make 
first part of it through function

def __unicode__(self):
return self.title

but can't understand how. And don't have any idea how make the second part. 
I need create method which will change order, it's seems pretty easy, but 
how i can call it from admin-interface?

Thx.

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Load photos in front-end, which way i should to choose?

[Dominis]

Greetings.
I beginner in Django, and now i need to load photos from local_storage to 
front-end. But i dont understand which way is better for this.
I need to it work like this:
On my site i have category called Lamps, with few articles, on_table_lamp, 
night_lamp and other... Each article (on the site) have unique path to 
itself, which seems like /category_name/article_name/.  I wanna load photos 
from directory with structure identiques by site navigation, mean photos 
for on_table_lamp store in 
root_dir_of_my_projects/photo-storage/LAMPS/ON_TABLE_LAMPS (last two 
sections equal of site route). How i can load photos from it? What i should 
make for it?

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Re: Update database with model changes

[Nikhil Verma]

If you mean you added a field after creating a model class table you need
to generate the sql statement for the new field only( for hint , django
will generate automatically if you do python manage.py sql appname and see
the sql) in a file and execute that file .

Let say you have xyz.sql just run that file.The table/database will be
updated.
I hope this info might help you !

On Thu, Jun 7, 2012 at 11:35 PM, Kevin Anthony wrote:

> Use south
>
> Kevin
> Please excuse brevity, sent from phone
> On Jun 7, 2012 2:05 PM, "Robert Steckroth" 
> wrote:
>
>> Hey Gang, is there a way to update the database with a syncdb or
>> other command after a model has been changed? I added a field
>> the the model after the syncdb.
>>
>>
>> --
>> Bust0ut, Surgemcgee: Systems Engineer ---
>> PBDefence.com
>> BudTVNetwork.com
>> RadioWeedShow.com
>> "Bringing entertainment to Unix"
>>
>> --
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>>
>>  --
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>



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Nikhil Verma
+91-958-273-3156

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Re: Update database with model changes

[Kevin Anthony]

Use south

Kevin
Please excuse brevity, sent from phone
On Jun 7, 2012 2:05 PM, "Robert Steckroth" 
wrote:

> Hey Gang, is there a way to update the database with a syncdb or
> other command after a model has been changed? I added a field
> the the model after the syncdb.
>
>
> --
> Bust0ut, Surgemcgee: Systems Engineer ---
> PBDefence.com
> BudTVNetwork.com
> RadioWeedShow.com
> "Bringing entertainment to Unix"
>
> --
> You received this message because you are subscribed to the Google Groups
> "Django users" group.
> To post to this group, send email to django-users@googlegroups.com.
> To unsubscribe from this group, send email to
> django-users+unsubscr...@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/django-users?hl=en.
>
>

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Update database with model changes

[Robert Steckroth]

Hey Gang, is there a way to update the database with a syncdb or
other command after a model has been changed? I added a field
the the model after the syncdb.


-- 
Bust0ut, Surgemcgee: Systems Engineer ---
PBDefence.com
BudTVNetwork.com
RadioWeedShow.com
"Bringing entertainment to Unix"

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Re: Django session and Dojo dnd.

[Hendrik Speidel]

Hi Voss,

you were missing a comma after "details: JSON.stringify(details)"
However, i don't think that was the cause of the problem. When using 
csrf_exempt you do not need to include the csrf token.


I have now created a test project and it's working here. The project is 
called 'testp' and the app is called 'testa'


#testp.urls
from django.conf.urls import patterns, include, url

urlpatterns = patterns('',
url(r'^dojo/$', 'testa.views.dojo'),
url(r'^test/$', 'testa.views.new_session'),
)

#testa.views
from django.views.decorators.csrf import csrf_exempt
from django.shortcuts import render
from django.http import HttpResponse

def dojo(request):
return render(request, 'dojo.html')

@csrf_exempt
def new_session(request):
if request.is_ajax():
return HttpResponse('ok')
else:
return HttpResponse('only AJAX requests are allowed!')

#dojo.html


src="http://ajax.googleapis.com/ajax/libs/dojo/1.7.2/dojo/dojo.js";>


var details = [1,2,3,4,5]
dojo.xhrPost( {
url: "/test/",
content: {details: JSON.stringify(details)},
load: function(response){
alert(response);
},
error: function(){
alert("error");
}
});




If i visit localhost:8000/dojo/ it alerts 'ok'

Maybe you can deduce your error by comparing this to your setup.
Also, do you have a debugging tool like firebug? It really helps me out 
quite often.


Good luck!

hendrik

On 06/07/2012 06:58 PM, voss wrote:

Hi Hendrik,

Thank you for your prompt reply. I really appreciate it!

Yes, I am using the django development server, and it is on port 
8000.  I, too, read that the https can cause the '\x16\x03\x01' 
problem, but I don't see how this can happen in my case because I did 
not create any https'.


Although it may not be csrf, do you think |csrfmiddlewaretoken:'{{ 
csrf_token }}'| could be the missing piece (see 
http://stackoverflow.com/questions/9085068/django-jquery-get-to-post)? 
It seems to make sense to me because {% csrf_token %} is required for 
a normal post request. If so, how do I use it in dojo.xhrPost? I tried



dojo.xhrPost( {
url: "/test/",
content: {
details: JSON.stringify(details)
csrfmiddlewaretoken: '{{ csrf_token }}'
},
load: function(response){
alert(response);
},
error: function(){
alert("error");
}
});


, but it did not change anything. I also commented out the is_ajax 
line, but I got the same debug message.



voss

On Thursday, June 7, 2012 11:32:14 AM UTC-5, henzk wrote:

Hi Voss,

i guess you are right ... it may not be related to CSRF-Protection
at all.
Are you using the django development server? I have found some
references for '\x16\x03\x01' using google, e.g.

http://wishmesh.com/2010/05/apache-logs-contains-x16x03x01-when-accessing-site-via-https/



It seems that this is related to browsers that speak HTTPS to a
(misconfigured) HTTP server.

Can you verify that this happens also when using the django
devserver on port 8000?
Another thing you could try is to get rid of the is_ajax check.
In either case you should return a response for non-ajax requests
also ... otherwise you will provoke a HTTP500 in these cases.

hendrik


On 06/07/2012 06:17 PM, voss wrote:

Hello Hendrik,

To simplify things and to do some tests, I started with disabling
the csrf protection. Here is my JS:

dojo.xhrPost( {
url: "/test/",
content: {details: JSON.stringify(details)},
load: function(response){
alert(response);
},
error: function(){
alert("error");
}
});


In views.py, I have:

@csrf_exempt
def new_session(request):
if request.is_ajax():
return HttpResponse('ok')


In theory, I should see the 'ok' alert, but, instead, I got
"null". The debug message shows:

[07/Jun/2012 10:31:06] code 400, message Bad request syntax

('\x16\x03\x01\x00\x8f\x01\x00\x00\x8b\x03\x01O\xd0\xc9:}m\x9e\x04\xbf_:$`\x96v\xca\x1b\x92\xb8\xc7?M\x0f\xbdc\x8e\xfb+\x84E\x8c?\x00\x00H\x00\xff\xc0')
[07/Jun/2012 10:31:06]