Errors while attempting to enable admin

[Andrew Burns]

Django newbie here.  I am learning by following the Django book.  All
is good until I try to enable the admin interface (on v1.1.1) and I
get the following error:
TemplateDoesNotExist at /admin/
admin/login.html

So I did some poking around and changed my TEMPLATE_DIRS to the
following (which I don't think was the right way to do it anyway):
import os.path  #import so we can use magic for the template import
TEMPLATE_DIRS = (
os.path.join(os.path.dirname(__file__), 'templates').replace('\
\','/'),
'/usr/lib/pymodules/python2.6/django/contrib/admin/templates/',
)

When I do that I get:
TemplateSyntaxError at /admin/
'adminmedia' is not a valid tag library: Could not load template
library from django.templatetags.adminmedia, No module named
adminmedia

This is a 'vanilla' ubuntu django install (I didn't pull from SVN) so
I am hoping that this is a well-known issue, I read the comments on
the book site and none appeared to be this issue.

Can someone give me some pointers?

Thanks in advance.

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values() and GenericRelation

[caio]

Hello,
I need to put into a template some fields of my model, but not all the
fields, it is better to specify which fields to pass.
Then, I use something like:

  MyModel.objects.values('id', 'field1__name', 'field2',
'field3__value', 'my_custom_set')

But, 'my_custom_field' is a GenericRelation field, and I can't specify
it as parameter of the QuerySet values() method.
The error is:

  Exception Type:   FieldError
  Exception Value:  Invalid field name: 'my_custom_set'

Note I've already read that values() method doesn't return anything
for M2M fields attributes, but not sure if a GenericRelation is really
a m2m field relationship.
(http://docs.djangoproject.com/en/1.1/ref/models/querysets/#values-fields)

However, if I give to the template the full list of fields, it works,
for example, using:

  MyModel.objects.all()

I could use all() result, but I must use the ForeingKey values of the
field1 and field3, so I don't know how to get its values if it not the
way I said before.

How can I resolve this?

Thanks your comments, and if it's not clear, please tell me, i'll try
to clarify my problem.

Regards,
Caio

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Error with passing 'form_class' arg with Django Contact Form

[Ricko]

Hi All,

Bashing my head against a wall trying to understand this issue.
Playing around with Django-Contact-Form app, and trying to use my own
subclassed Form in the views. From the code in views, it looks like it
just takes an optional arg, form_class, which can be your Form
subclassed from ContactForm. Here is my Form class:

from contact_form.forms import ContactForm
from django import forms

attrs_dict = { 'class': 'required' }


class EnhancedContactForm(ContactForm):

def __init__(self, data=None, files=None, request=None, *args,
**kwargs):
super(EnhancedContactForm, self).__init__(request, *args, 
**kwargs)

I know it doesn't do anything, was just trying to get the simplest
form to work first. Here is my urls.py:

urlpatterns += patterns('',
   url(r'^contact/$',
   contact_form,
{'form_class':EnhancedContactForm},
   name='contact_form'),
   url(r'^contact/sent/$',
   direct_to_template,
   { 'template': 'contact_form/
contact_form_sent.html' },
   name='contact_form_sent'),
   )

It fails with the stack:

TemplateSyntaxError: Caught an exception while rendering: unbound
method __unicode__() must be called with EnhancedContactForm instance
as first argument (got nothing instead)

Original Traceback (most recent call last):
  File "/Library/Python/2.5/site-packages/django/template/debug.py",
line 71, in render_node
result = node.render(context)
  File "/Library/Python/2.5/site-packages/django/template/
defaulttags.py", line 155, in render
nodelist.append(node.render(context))
  File "/Library/Python/2.5/site-packages/django/template/debug.py",
line 87, in render
output = force_unicode(self.filter_expression.resolve(context))
  File "/Library/Python/2.5/site-packages/django/utils/encoding.py",
line 71, in force_unicode
s = unicode(s)
TypeError: unbound method __unicode__() must be called with
EnhancedContactForm instance as first argument (got nothing instead)

If you substitute the standard ContactForm in urls.py, it fails the
same way.

Anyone seen this before? What am I doing wrong?

Cheers
Ricko

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Re: No module name error

[newbiedjango]

yes that import statement was done by me but im not sure if that is
the correct way to do it or not.

On May 7, 12:01 pm, Bayuadji  wrote:
> see this line
> import profiles.utils
>
> in views.py on django registration doesn't have that line. so I think
> you or someone already customized the registration apps
>
> -adji-
>
>
>
> On Fri, May 7, 2010 at 9:57 AM, newbiedjango  wrote:
> > my views.py is
> > down here which is an extension of
> >http://bitbucket.org/ubernostrum/django-registration/src/tip/registra...
> > I am a total newbie here and don't know much about this..kindly
> > help...
>
> > from django.shortcuts import redirect
> > from django.shortcuts import render_to_response
> > from django.template import RequestContext
> > import profiles.utils
> > from registration.backends import get_backend
>
> > def activate(request, backend,
> >             template_name='registration/activate.html',
> >             success_url=None, extra_context=None, **kwargs):
>
> >    backend = get_backend(backend)
> >    account = backend.activate(request, **kwargs)
>
> >    if account:
> >        if success_url is None:
> >            to, args, kwargs =
> > backend.post_activation_redirect(request, account)
> >            return redirect(to, *args, **kwargs)
> >        else:
> >            return redirect(success_url)
>
> >    if extra_context is None:
> >        extra_context = {}
> >    context = RequestContext(request)
> >    for key, value in extra_context.items():
> >        context[key] = callable(value) and value() or value
>
> >    return render_to_response(template_name,
> >                              kwargs,
> >                              context_instance=context)
>
> > def ug_zero_suffix(form_data):
> >    return form_data['username'] + '0'
>
> > username_generators = [ug_zero_suffix]
>
> > # Not a view function (helper function)
> > def generate_username_suggestions(form_data):
>
> >    MAX_SUGGESTIONS = 5
> >    suggestions = []
>
> >    for gen in username_generators:
> >        for suggestion in gen(form_data):
> >            if (suggestion != None):
> >                suggestions.append(suggestion)
> >                if (length(suggestions) >= MAX_SUGGESTIONS):
> >                    return suggestions
>
> >    # TODO make sure that we handle not generating enough
> > suggestions
> >    return suggestions
>
> > def register(request, backend, success_url=None,
> > form_class=RegistrationForm, profile_callback=None,
> >             template_name='registration/registration_form.html',
> >             extra_context=None):
> >                pform_class = profiles.utils.get_profile_form()
> >                if request.method =='POST':
> >                    profileform = pform_class(data=request.POST,
> > files=request.FILES)
> >                    form = form_class(data=request.POST,
> > files=request.FILES)
> >                    if form.is_valid():
> >                        new_user = form.save()
> >                        profile_obj = profileform.save(commit=False)
> >                        profile_obj.user = new_user
> >                        profile_obj.save()
> >                        return HttpResponseRedirect('/accounts/
> > register/complete/')
> >                    else:
> >                        form = form_class()
> >                        profileform = pform_class()
> >                if exra_context is None:
> >                    extra_context = {}
> >                    context = RequestContext(request)
> >                    for key, value in extra_context.items():
> >                        context[key] = callable(value) and value() or
> > value
> >                return render_to_response(template_name,
> > {'form':form,'profileform':profileform,'context_instance':context})
>
> > def register(request, backend, success_url=None, form_class=None,
> >             disallowed_url='registration_disallowed',
> >             template_name='registration/registration_form.html',
> >             extra_context=None):
> >    backend = get_backend(backend)
> >    if not backend.registration_allowed(request):
> >        return redirect(disallowed_url)
> >    if form_class is None:
> >        form_class = backend.get_form_class(request)
>
> >    if request.method == 'POST':
> >        form = form_class(data=request.POST, files=request.FILES)
> >        if form.is_valid():
> >            new_user = backend.register(request, **form.cleaned_data)
> >            if success_url is None:
> >                to, args, kwargs =
> > backend.post_registration_redirect(request, new_user)
> >                return redirect(to, *args, **kwargs)
> >            else:
> >                return redirect(success_url)
> >        #else:
> >            # generate suggestions which can be passed into the
> > template
> >    else:
> >        form = form_class()
>
> >    if extra_context is None:
> >        extra_context = {}
> >    context = RequestContext(request)
> > 

Re: No module name error

[Bayuadji]

see this line
import profiles.utils

in views.py on django registration doesn't have that line. so I think
you or someone already customized the registration apps

-adji-

On Fri, May 7, 2010 at 9:57 AM, newbiedjango  wrote:
> my views.py is
> down here which is an extension of
> http://bitbucket.org/ubernostrum/django-registration/src/tip/registration/views.py
> I am a total newbie here and don't know much about this..kindly
> help...
>
> from django.shortcuts import redirect
> from django.shortcuts import render_to_response
> from django.template import RequestContext
> import profiles.utils
> from registration.backends import get_backend
>
>
> def activate(request, backend,
>             template_name='registration/activate.html',
>             success_url=None, extra_context=None, **kwargs):
>
>    backend = get_backend(backend)
>    account = backend.activate(request, **kwargs)
>
>    if account:
>        if success_url is None:
>            to, args, kwargs =
> backend.post_activation_redirect(request, account)
>            return redirect(to, *args, **kwargs)
>        else:
>            return redirect(success_url)
>
>    if extra_context is None:
>        extra_context = {}
>    context = RequestContext(request)
>    for key, value in extra_context.items():
>        context[key] = callable(value) and value() or value
>
>    return render_to_response(template_name,
>                              kwargs,
>                              context_instance=context)
>
> def ug_zero_suffix(form_data):
>    return form_data['username'] + '0'
>
> username_generators = [ug_zero_suffix]
>
> # Not a view function (helper function)
> def generate_username_suggestions(form_data):
>
>    MAX_SUGGESTIONS = 5
>    suggestions = []
>
>    for gen in username_generators:
>        for suggestion in gen(form_data):
>            if (suggestion != None):
>                suggestions.append(suggestion)
>                if (length(suggestions) >= MAX_SUGGESTIONS):
>                    return suggestions
>
>    # TODO make sure that we handle not generating enough
> suggestions
>    return suggestions
>
> def register(request, backend, success_url=None,
> form_class=RegistrationForm, profile_callback=None,
>             template_name='registration/registration_form.html',
>             extra_context=None):
>                pform_class = profiles.utils.get_profile_form()
>                if request.method =='POST':
>                    profileform = pform_class(data=request.POST,
> files=request.FILES)
>                    form = form_class(data=request.POST,
> files=request.FILES)
>                    if form.is_valid():
>                        new_user = form.save()
>                        profile_obj = profileform.save(commit=False)
>                        profile_obj.user = new_user
>                        profile_obj.save()
>                        return HttpResponseRedirect('/accounts/
> register/complete/')
>                    else:
>                        form = form_class()
>                        profileform = pform_class()
>                if exra_context is None:
>                    extra_context = {}
>                    context = RequestContext(request)
>                    for key, value in extra_context.items():
>                        context[key] = callable(value) and value() or
> value
>                return render_to_response(template_name,
> {'form':form,'profileform':profileform,'context_instance':context})
>
> def register(request, backend, success_url=None, form_class=None,
>             disallowed_url='registration_disallowed',
>             template_name='registration/registration_form.html',
>             extra_context=None):
>    backend = get_backend(backend)
>    if not backend.registration_allowed(request):
>        return redirect(disallowed_url)
>    if form_class is None:
>        form_class = backend.get_form_class(request)
>
>    if request.method == 'POST':
>        form = form_class(data=request.POST, files=request.FILES)
>        if form.is_valid():
>            new_user = backend.register(request, **form.cleaned_data)
>            if success_url is None:
>                to, args, kwargs =
> backend.post_registration_redirect(request, new_user)
>                return redirect(to, *args, **kwargs)
>            else:
>                return redirect(success_url)
>        #else:
>            # generate suggestions which can be passed into the
> template
>    else:
>        form = form_class()
>
>    if extra_context is None:
>        extra_context = {}
>    context = RequestContext(request)
>    for key, value in extra_context.items():
>        context[key] = callable(value) and value() or value
>
>    return render_to_response(template_name,
>                              { 'form': form },
>                              context_instance=context)
>
>
> On May 7, 11:25 am, Bayuadji  wrote:
>> Hi,
>>
>> I don't know which version of 

Re: No module name error

[newbiedjango]

my views.py is
down here which is an extension of
http://bitbucket.org/ubernostrum/django-registration/src/tip/registration/views.py
I am a total newbie here and don't know much about this..kindly
help...

from django.shortcuts import redirect
from django.shortcuts import render_to_response
from django.template import RequestContext
import profiles.utils
from registration.backends import get_backend


def activate(request, backend,
 template_name='registration/activate.html',
 success_url=None, extra_context=None, **kwargs):

backend = get_backend(backend)
account = backend.activate(request, **kwargs)

if account:
if success_url is None:
to, args, kwargs =
backend.post_activation_redirect(request, account)
return redirect(to, *args, **kwargs)
else:
return redirect(success_url)

if extra_context is None:
extra_context = {}
context = RequestContext(request)
for key, value in extra_context.items():
context[key] = callable(value) and value() or value

return render_to_response(template_name,
  kwargs,
  context_instance=context)

def ug_zero_suffix(form_data):
return form_data['username'] + '0'

username_generators = [ug_zero_suffix]

# Not a view function (helper function)
def generate_username_suggestions(form_data):

MAX_SUGGESTIONS = 5
suggestions = []

for gen in username_generators:
for suggestion in gen(form_data):
if (suggestion != None):
suggestions.append(suggestion)
if (length(suggestions) >= MAX_SUGGESTIONS):
return suggestions

# TODO make sure that we handle not generating enough
suggestions
return suggestions

def register(request, backend, success_url=None,
form_class=RegistrationForm, profile_callback=None,
 template_name='registration/registration_form.html',
 extra_context=None):
pform_class = profiles.utils.get_profile_form()
if request.method =='POST':
profileform = pform_class(data=request.POST,
files=request.FILES)
form = form_class(data=request.POST,
files=request.FILES)
if form.is_valid():
new_user = form.save()
profile_obj = profileform.save(commit=False)
profile_obj.user = new_user
profile_obj.save()
return HttpResponseRedirect('/accounts/
register/complete/')
else:
form = form_class()
profileform = pform_class()
if exra_context is None:
extra_context = {}
context = RequestContext(request)
for key, value in extra_context.items():
context[key] = callable(value) and value() or
value
return render_to_response(template_name,
{'form':form,'profileform':profileform,'context_instance':context})

def register(request, backend, success_url=None, form_class=None,
 disallowed_url='registration_disallowed',
 template_name='registration/registration_form.html',
 extra_context=None):
backend = get_backend(backend)
if not backend.registration_allowed(request):
return redirect(disallowed_url)
if form_class is None:
form_class = backend.get_form_class(request)

if request.method == 'POST':
form = form_class(data=request.POST, files=request.FILES)
if form.is_valid():
new_user = backend.register(request, **form.cleaned_data)
if success_url is None:
to, args, kwargs =
backend.post_registration_redirect(request, new_user)
return redirect(to, *args, **kwargs)
else:
return redirect(success_url)
#else:
# generate suggestions which can be passed into the
template
else:
form = form_class()

if extra_context is None:
extra_context = {}
context = RequestContext(request)
for key, value in extra_context.items():
context[key] = callable(value) and value() or value

return render_to_response(template_name,
  { 'form': form },
  context_instance=context)


On May 7, 11:25 am, Bayuadji  wrote:
> Hi,
>
> I don't know which version of django-registration you use,
> but the source on views.py doesn't have any profiles.utils
>
> see :http://bitbucket.org/ubernostrum/django-registration/src/tip/registra...
>
> -adji-
>
>
>
> On Fri, May 7, 2010 at 9:19 AM, newbiedjango  wrote:
> > hi all,
> > i am a newbie in django and have been trying to get this django-
> > registration app working with few extra fields.
>
> > now 

No module name error

[newbiedjango]

hi all,
i am a newbie in django and have been trying to get this django-
registration app working with few extra fields.

now i am getting his module error

http://dpaste.com/191756/

please help fixing me this error..

Thanks

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Re: Insert model data into every page (base.html)

[personificator]

If you use the context processors, you can include the data on every
page. The template should be rendered from the view or in your case a
generic view.

Cheers
On May 5, 9:06 am, Martin Tiršel  wrote:
> Hello,
>
> I need to insert some data from database onto every page, so I inserted  
> them into base.html. Until now, I was using generic views but it doesn't  
> seems to be ideal for this case. Is there a way how to achieve this  
> behaviour with generic views or I have to insert needed model into every  
> custom view?
>
> I tried it this way, but update() returns None, so it doesn't work, but it  
> demonstrates what I am looking for:
>
> currency_by_date = {
>      "queryset": Currency.objects.all().order_by('-date', 'currency')[:2],
>      "template_name": "home.html",
>      "template_object_name": "currency",
>
> }
>
> urlpatterns = patterns('',
>      (r'^$', 'django.views.generic.list_detail.object_list',
>          currency_by_date),
>      (r'^profil_spolocnosti/$',  
> 'django.views.generic.list_detail.object_list',
>          currency_by_date.update({"template_name":  
> "profil_spolocnosti.html"})),
> ...
>
> If I have to use custom views what is the best way to include above  
> queryset result into templates without repeating it over every view?
>
> Thank you for your help,
> Martin
>
> --
> You received this message because you are subscribed to the Google Groups 
> "Django users" group.
> To post to this group, send email to django-us...@googlegroups.com.
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> django-users+unsubscr...@googlegroups.com.
> For more options, visit this group 
> athttp://groups.google.com/group/django-users?hl=en.

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Re: how to initial data for inlineformset

[victor]

if i changed to following:
'docfset':docfset({'actor':request.user}, instance=tdoc),
i got:
ValidationError

On May 7, 10:21 am, victor  wrote:
>     docfset=inlineformset_factory(document, documentOnline,
> form=documentOnlineForm, extra=1, can_delete=False)
>         c = RequestContext(
>             request,
>             {
>
> 'docfset':docfset(instance=tdoc,initial=[{'actor':request.user},]),
>
> 'documentform':documentForm(initial={'tSUser':getEDSByUObj(request.user,
> []),'documentType':'Online','status':'Enabled'}),
>             }
>         )
> when runing,i got following errors:
> __init__() got an unexpected keyword argument 'initial'
> so,how to initial data for inlineformset?thanks.
>
> --
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Re: No module name error

[Bayuadji]

Hi,

I don't know which version of django-registration you use,
but the source on views.py doesn't have any profiles.utils

see 
:http://bitbucket.org/ubernostrum/django-registration/src/tip/registration/views.py

-adji-

On Fri, May 7, 2010 at 9:19 AM, newbiedjango  wrote:
> hi all,
> i am a newbie in django and have been trying to get this django-
> registration app working with few extra fields.
>
> now i am getting his module error
>
> http://dpaste.com/191756/
>
> please help fixing me this error..
>
> Thanks
>
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how to initial data for inlineformset

[victor]

docfset=inlineformset_factory(document, documentOnline,
form=documentOnlineForm, extra=1, can_delete=False)
c = RequestContext(
request,
{
 
'docfset':docfset(instance=tdoc,initial=[{'actor':request.user},]),
 
'documentform':documentForm(initial={'tSUser':getEDSByUObj(request.user,
[]),'documentType':'Online','status':'Enabled'}),
}
)
when runing,i got following errors:
__init__() got an unexpected keyword argument 'initial'
so,how to initial data for inlineformset?thanks.

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No module name error

[newbiedjango]

hi all,
i am a newbie in django and have been trying to get this django-
registration app working with few extra fields.

now i am getting his module error

http://dpaste.com/191756/

please help fixing me this error..

Thanks

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Close window after download

[CrabbyPete]

I have code that generates a file for download. I want to close the
window after the user selects the download or even redirect them.

Here is my code:

response = HttpResponse(cal.as_string(), mimetype='text/calendar')
response['Content-Disposition'] = 'attachment; filename=schedule.ics'
return response

I can't close the window before the download using


 


because I get an error that the window closed.

So after the form download the window is hanging in limbo. If anyone
knows
how to close the window I'd appreciate it.





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Re: need help with custom authorization Backend

[lray]

resolved by adding has_perm and get_all_permisions methods to my
backend class.

Looks all methods should defined in backend, not just the one I want
to change.



On May 6, 1:53 pm, lray  wrote:
> I am writing an authorization backend to get some permissions from
> custom tables. I added it to settings.py,
>
>  It does not appear Django is calling get_group_permissions(self) from
> this backend. I had print statements and nothing got printed in
> Please help.
>
> class MyBackend(object):
>     supports_object_permissions = False
>     supports_anonymous_user = True
>
>     def authenticate(self, username, password):
>         return None
>
>     def get_group_permissions(self):
>         """
>         Returns a set of permission strings that this user has through
> his/her
>         groups self.
>         """
>         print " in my backend group perm"
>         role = Role.objects.filter(user__exact = self.id)
>         if role is not None:
>             perms =
> role.permissions.values_list('content_type__app_label', 'codename')
>             return  set(["%s.%s" % (ct, name) for ct, name in perms])
>
> Models.py
>
> class Role(models.Model):
>     group= models.ForeignKey(Group)
>     name = models.CharField(max_length=80, unique=True)
>     permissions = models.ManyToManyField(Permission,
> verbose_name='permissions', blank=True
>
>    def __unicode__(self):
>         return self.name
>
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Re: Password reset email sent several times

[newbiedjango]

True...Thanks man..I didnt realise that. I was just checking by
entering users with the same email address...so found it weird when
there were 5-6 mails sent for password reset.
But is there anything that I can do to restrict users using same email
address more then once..
Cheers

On May 7, 6:21 am, Shawn Milochik  wrote:
> You have five different users in your database with the same e-mail address.
>
> If you look at the e-mail messages, you'll notice that each one specifies a 
> different value for username. Just make sure you click the right one for 
> thepasswordyou want to reset.
>
> Shawn
>
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Re: Django App and Memory Mgmt

[Graham Dumpleton]

On May 7, 4:40 am, Ross  wrote:
> I have a Django app that selects one of many possible XML documents,
> parses it with minidom.parse(), finds all elements of a certain tag
> with getElementsByTagName() then it sends a small subset of those
> elements off to a client browser.  So I typically have to parse many
> thousands of elements to make the DOM object to then get the
> appropriate 50 or 100 element portion that will be sent off to the
> user as a smaller XML file where it is parsed at the client side with
> javascript.
>
> My memory performance with Apache and mod_wsgi isn't very good,

Is that for a single process, or across the whole of Apache. Make sure
your read:

  http://blog.dscpl.com.au/2009/03/load-spikes-and-excessive-memory-usage.html

That issue applies to mod_wsgi as well.

You usually should not use embedded mode, use daemon mode of mod_wsgi
instead.

Graham

> and I
> assume that's because I parse the whole file into memory, and also
> because getElements creates another large object before I can extract
> my desired elements. I do a bit of scrutinizing and massaging of them
> before they get wrapped up and sent on.
>
> I'd like to call unlink() on the big objects, but I don't know that I
> can do that somewhere, as I 'return' the small subset, and I don't
> have control after that is returned by Django to the requestor.
>
> Any thoughts on a) is this a big contributor to my memory footprint?
> b) wouldn't this all be garbage collected after the response is
> handled anyway?  c) would I be better off with a SAX parsing of the
> XML file to avoid building the whole DOM tree to get my small subset
> of objects?
>
> Your thoughts appreciated. Is there a better way?  I wouldn't want to
> stuff the XML-file resident content into a database and rebuild the
> XML element subsets because there are tons of files arriving and
> disappearing and it would become a huge background activity for
> another program.
>
> Ross.
>
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Re: Mod_WSGI and lib python

[Graham Dumpleton]

On May 7, 7:34 am, When ideas fail  wrote:
> Hi, I have been trying to setup mod_wsgi with apache 2
>
> but when I do:
>
> sudo a2enmod mod-wsgi
> sudo /etc/init.d/apache2 restart
>
> I get this error message:
>
> Restarting web server: apache2apache2: Syntax error on line 185 of /
> etc/apache2/apache2.conf: Syntax error on line 1 of /etc/apache2/mods-
> enabled/mod-wsgi.load: Cannot load /usr/lib/apache2/modules/
> mod_wsgi.so into server: libpython2.7.so.1.0: cannot open shared
> object file: No such file or directory
>  failed!
>
> but I have that file here:
>
> /usr/local/lib/libpython2.7.so.1.0
>
> and i can do:
>
>  echo $LD_LIBRARY_PATH                                     :/usr/local/
> lib
>
> I imangine I have misunderstood something here, and its trying to find
> the libpython file somewhere else.
> Could somebody please help me, thanks

Go back and reinstall mod_wsgi and this time do the following:

  make distclean
  ./configure --with-python=/usr/local/bin/python2.7
  LD_RUN_PATH=/usr/local/lib make
  sudo make install

Setting LD_RUN_PATH like that will force the directory '/usr/local/
lib' into the shared library search path of mod_wsgi.so file itself so
not dependent on your operating system knowing it should look in /usr/
local/lib.

Also read:

  http://code.google.com/p/modwsgi/wiki/WhereToGetHelp

This question has nothing to do with Django and so you should really
have asked on the mod_wsgi mailing list.

Graham

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Re: MacPorts installation, Django $PATH issue

[backdoc]

Type "which python" at the command line as your regular user.  Then, look at
/usr/bin/python*, /usr/lib,  /usr/local/bin/python* and /usr/local/lib.
 Find where the site-packages for Django are located.  Make sure that "which
python" is pointing to the correct version.

Sounds like Django is not installed in the same version of Python that you
are actually using.  Also, if you type python -V (I think it's a capital
"V") at the command line, it should tell you which version you are using.




On Thu, May 6, 2010 at 3:47 AM, HelloWorld  wrote:

> Hi everybody
>
> I just got Django installed (to test it) via Macports and I have
> Python 2.5 and 2.6 installed on a MacBook running 10.6.3.
>
> I did everything the installation guide told me, but after typing:
>
> python manage.py runserver
>
> I get this error:
>
> File "manage.py", line 2, in 
>from django.core.management import execute_manager
> ImportError: No module named django.core.management
>
> I believe the solution would be this comment on the installation
> site:
>
> To avoid a command not found issue with Snow Leopard 10.6.2 and
> various other OSX (Django installed using MacPorts?) here a tip that
> might help. There might be a $PATH issue. Adding the proper PATH to
> ~/.Profile: export PATH=/opt/local/bin:opt/local/sbin:/opt/local/lib/
> python2.4/site-packages/django/bin:$PATH should help. NB Could be that
> one needs to change the Python version in the PATH.
>
> But I dont now what a $PATH issue is and where I could paste this code
> to fix it.
>
> Or if you know another possible reason please tell me.
>
> Any help would be greatly appreciated.
>
> Thanks a lot
>
> Best
>
> Z.
>
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Mod_WSGI and lib python

[When ideas fail]

Hi, I have been trying to setup mod_wsgi with apache 2

but when I do:

sudo a2enmod mod-wsgi
sudo /etc/init.d/apache2 restart

I get this error message:

Restarting web server: apache2apache2: Syntax error on line 185 of /
etc/apache2/apache2.conf: Syntax error on line 1 of /etc/apache2/mods-
enabled/mod-wsgi.load: Cannot load /usr/lib/apache2/modules/
mod_wsgi.so into server: libpython2.7.so.1.0: cannot open shared
object file: No such file or directory
 failed!

but I have that file here:

/usr/local/lib/libpython2.7.so.1.0

and i can do:

 echo $LD_LIBRARY_PATH :/usr/local/
lib

I imangine I have misunderstood something here, and its trying to find
the libpython file somewhere else.
Could somebody please help me, thanks

Andrew

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Re: Working out some custom API stuff

[Nick]

Never mind this, I got it figured out.

Thanks again

On May 6, 12:51 pm, Nick  wrote:
> Thanks for the help on that portion, it is working wonderfully.
>
> I've been able to power through most of the requests for this project
> but there is one outstanding element in regards to pagination.
>
> Here is my view:
>
> def QandAAPI(request, site):
>     quest = entry.objects.filter(site__name__icontains=site)
>     if 'id' in request.GET:
>         ids = request.GET.getlist('id')
>         quest = quest.filter(id__in=ids)
>     if 'sect' in request.GET:
>         sect = request.GET.getlist('sect')
>         quest = TaggedItem.objects.get_by_model(quest, sect)
>     if 's' in request.GET:
>         s = request.GET['s']
>         search_query = (
>         Q(question__icontains=s) | Q(answer__icontains=s) |
> Q(answerer__icontains=s)
>         )
>         quest = quest.filter(search_query)
>     if 'count' in request.GET and not 'page' in request.GET:
>         count = request.GET['count']
>         quest = quest[:count]
>     if 'count' in request.GET and 'page' in request.GET:
>         page = int(request.GET['page'])
>         count = request.GET['count']
>         paginator = Paginator(quest, count)
>         try:
>             page = paginator.page(page)
>         except ValueError:
>             page = 1
>     json = serializers.serialize("json", quest)
>     return HttpResponse(json)
>
> I am getting the following error when I try to plug a page=1 into the
> URL
>
> coercing to Unicode: need string or buffer, int found
>
> I'm not entirely sure how to fix this error, I've tried many times.
>
> The final view should do the following:
>
> Check to see if 'page' and 'coutn' are part of the url. If they are,
> then pull up the results of that page with the count declared in the
> URL.
>
> There will be another component that will skip the 'count' if it isn't
> declared but I haven't got there yet.
>
> On May 5, 4:11 am, Daniel Roseman  wrote:
>
>
>
> > On May 5, 4:46 am, Nick  wrote:
>
> > > Here's the deal. I'm working on a customAPIfor moving information
> > > about. I am stuck at a point in creating my view.
> > > It might be best just to get into the details.
>
> > > Here is the model:
>
> > > class entry(models.Model):
> > >     question = models.CharField('Question', max_length=200,
> > > blank=False)
> > >     answer = models.TextField('Answer', blank=False)
> > >     answerer = models.CharField("Expert's Name", max_length=100,
> > > blank=False)
> > >     credentials = models.CharField ("Expert's Credentials",
> > > max_length=100, blank=False)
> > >     published  = models.DateTimeField(auto_now_add=True)
> > >     updated = models.DateTimeField(auto_now=True)
> > >     site = models.ForeignKey(Site)
> > >     section = TagField()
>
> > > Once a site is picked the feed is narrowed down by id (whether single
> > > id, list or range), then by section (single or multiple) and finally
> > > some pagination and count params (I'm not worried about that right
> > > now). Currently, I am stuck on the section portion. I may be going
> > > about this all wrong. What I would like is for some URL like:
>
> > >http://mysite.com/qanda/SITENAME/?sect=THESECTIONNAME
>
> > > to produce a JSON output of Questions and Answers under that site with
> > > that section name. Here is my view:
>
> > > def QandAAPI(request, site):
> > >     quest = entry.objects.filter(site__name__icontains=site)
> > >     if 'id' in request.GET:
> > >         id = request.GET.get('id','')
> > >         id = id.split(',')
> > >     else:
> > >         id = quest.values_list('id', flat=True)
> > >     if 'sect' in request.GET:
> > >         sect = request.GET.get('sect','')
> > >     else:
> > >         sect = ''
> > >     quest = quest.filter(id__in=id, section=sect)
> > >     object = serializers.serialize("json", quest)
> > >     json = "%s" % object
> > >     return HttpResponse(json)
>
> > > Basically, I would like the "else: sect=" to be a WILDCARD so if the
> > > sect portion of theAPIisn't explicitly stated then it just pulls
> > > everything.
>
> > > What do you think? Raw SQL? I'm a complete bonehead? All opinions/
> > > advice are welcome.
>
> > I wouldn't call you a bonehead, but the method you're using to get all
> > the objects when no id is passed in is... well... special.
>
> > The key to doing this sort of filtering is to remember that QuerySets
> > are lazy, and successive filters can be applied to them without
> > hitting the database, until the time comes to actually evaluate them.
> > So what you want to do is to set up the base query at the start of the
> > method, then further filter it depending on the GET parameters. Then,
> > if a particular parameter isn't passed in, you simply don't filter on
> > it. Something like:
>
> > def QandAAPI(request, site):
> >     quest = entry.objects.filter(site__name__icontains=site)
> >     if 'id' in request.GET:
> >     

Re: Password reset email sent several times

[Shawn Milochik]

You have five different users in your database with the same e-mail address.

If you look at the e-mail messages, you'll notice that each one specifies a 
different value for username. Just make sure you click the right one for the 
password you want to reset.

Shawn

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need help with custom authorization Backend

[lray]

I am writing an authorization backend to get some permissions from
custom tables. I added it to settings.py,

 It does not appear Django is calling get_group_permissions(self) from
this backend. I had print statements and nothing got printed in
Please help.


class MyBackend(object):
supports_object_permissions = False
supports_anonymous_user = True

def authenticate(self, username, password):
return None

def get_group_permissions(self):
"""
Returns a set of permission strings that this user has through
his/her
groups self.
"""
print " in my backend group perm"
role = Role.objects.filter(user__exact = self.id)
if role is not None:
perms =
role.permissions.values_list('content_type__app_label', 'codename')
return  set(["%s.%s" % (ct, name) for ct, name in perms])

Models.py

class Role(models.Model):
group= models.ForeignKey(Group)
name = models.CharField(max_length=80, unique=True)
permissions = models.ManyToManyField(Permission,
verbose_name='permissions', blank=True

   def __unicode__(self):
return self.name

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Re: Django App and Memory Mgmt

[Bill Freeman]

You may want to consider using a sax based parsing.  It works by
calling you back for beginning of tag (has the attributes), text content,
and end of tag, from which you can keep state and just keep the,
you say small. subset of the element data that you need, which you
can either stick in a dom, or have your own object structure that you
know how to render for the requester.

Much more coding than the dom, but you don't need the whole
document in memory at once.

Bill

On Thu, May 6, 2010 at 3:34 PM, Ross  wrote:
> Reading more it sounds like the memory usage issue, particularly for
> those exploring Webfaction, is a typical rite of passage, and probably
> has more to do with httpdconf and mod_wsgi setup than it does with
> Django practices.  Lots of discussion  here.  (I hope this forum allows html,
> otherwise that's a messy link :)
>
>
>
> On May 6, 3:14 pm, Javier Guerra Giraldez  wrote:
>> On Thu, May 6, 2010 at 1:40 PM, Ross  wrote:
>> > Your thoughts appreciated. Is there a better way?  I wouldn't want to
>> > stuff the XML-file resident content into a database and rebuild the
>> > XML element subsets because there are tons of files arriving and
>> > disappearing and it would become a huge background activity for
>> > another program.
>>
>> if your XML docs are too transient, then it's not a job for a
>> database.  if you're getting repeated queries, or if several queries
>> need some xml elements repeatedly, you could simply use a cache to
>> avoid the repeats.
>>
>
> Thanks for the concurrence. You're prob right.  I'll have to look into
> caching, but the recurrence of the same slice of the XML file could be
> fairly infrequent. But it's worth looking into.
>
>> If each xml element is used very few times, but you think a good
>> proportion of them is going to be required before becoming outdated,
>> then you could preprocess them as they arrive, instead of waiting for
>> the request.  i guess that processing a whole document would produce
>> several results much faster than searching each individually.  to
>> avoid the load on a RDBMS, you might find better to store the
>> preprocessed results on a key/value store, maybe even a
>> memory-resident one, like redis.
>>
>
> Yes, there might be some opportunity to pre-process as a backend
> process. Will keep that in mind as an option.
>
>> --
>> Javier
>>
>
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Re: Django 1.2 release candidate available

[Felipe Prenholato]

I need to say thanks and congrats!

I'm watching development community just at short time ago and I'm happy
and motivated to contribute more and more as I can!

2010/5/6 Vitaly Babiy 

> Awesome Job, thanks everyone.
> Vitaly Babiy
>
>
>
> On Thu, May 6, 2010 at 2:53 PM, Nick Serra  wrote:
>
>> Awesome! Thanks so much!
>>
>> On May 6, 3:32 am, Federico Capoano  wrote:
>> > I've been using the beta for a while and it works pretty good for what
>> > I've seen.
>> >
>> > On May 6, 6:40 am, James Bennett  wrote:
>> >
>> >
>> >
>> >
>> >
>> > > Tonight we're proud to announce, finally, the first Django 1.2 release
>> > > candidate. If all goes well, it will also be the *only* release
>> > > candidate, and Django 1.2 final will release one week from today.
>> >
>> > > For more information, consult:
>> >
>> > > * The Django project weblog:
>> http://www.djangoproject.com/weblog/2010/may/05/12-rc-1/
>> > > * The release notes:
>> http://docs.djangoproject.com/en/dev/releases/1.2-rc-1/
>> >
>> > > --
>> > > "Bureaucrat Conrad, you are technically correct -- the best kind of
>> correct."
>> >
>> > > --
>> > > You received this message because you are subscribed to the Google
>> Groups "Django users" group.
>> > > To post to this group, send email to django-us...@googlegroups.com.
>> > > To unsubscribe from this group, send email to
>> django-users+unsubscr...@googlegroups.com
>> .
>> > > For more options, visit this group athttp://
>> groups.google.com/group/django-users?hl=en.
>> >
>> > --
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>> > To unsubscribe from this group, send email to
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>> groups.google.com/group/django-users?hl=en.
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-- 
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Linux User nº 405489
Home page: http://chronosbox.org/blog
Twitter: http://twitter.com/chronossc

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Re: Django App and Memory Mgmt

[Ross]

Reading more it sounds like the memory usage issue, particularly for
those exploring Webfaction, is a typical rite of passage, and probably
has more to do with httpdconf and mod_wsgi setup than it does with
Django practices.  Lots of discussion  here.  (I hope this forum allows html,
otherwise that's a messy link :)



On May 6, 3:14 pm, Javier Guerra Giraldez  wrote:
> On Thu, May 6, 2010 at 1:40 PM, Ross  wrote:
> > Your thoughts appreciated. Is there a better way?  I wouldn't want to
> > stuff the XML-file resident content into a database and rebuild the
> > XML element subsets because there are tons of files arriving and
> > disappearing and it would become a huge background activity for
> > another program.
>
> if your XML docs are too transient, then it's not a job for a
> database.  if you're getting repeated queries, or if several queries
> need some xml elements repeatedly, you could simply use a cache to
> avoid the repeats.
>

Thanks for the concurrence. You're prob right.  I'll have to look into
caching, but the recurrence of the same slice of the XML file could be
fairly infrequent. But it's worth looking into.

> If each xml element is used very few times, but you think a good
> proportion of them is going to be required before becoming outdated,
> then you could preprocess them as they arrive, instead of waiting for
> the request.  i guess that processing a whole document would produce
> several results much faster than searching each individually.  to
> avoid the load on a RDBMS, you might find better to store the
> preprocessed results on a key/value store, maybe even a
> memory-resident one, like redis.
>

Yes, there might be some opportunity to pre-process as a backend
process. Will keep that in mind as an option.

> --
> Javier
>

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Re: Django 1.2 release candidate available

[Vitaly Babiy]

Awesome Job, thanks everyone.
Vitaly Babiy


On Thu, May 6, 2010 at 2:53 PM, Nick Serra  wrote:

> Awesome! Thanks so much!
>
> On May 6, 3:32 am, Federico Capoano  wrote:
> > I've been using the beta for a while and it works pretty good for what
> > I've seen.
> >
> > On May 6, 6:40 am, James Bennett  wrote:
> >
> >
> >
> >
> >
> > > Tonight we're proud to announce, finally, the first Django 1.2 release
> > > candidate. If all goes well, it will also be the *only* release
> > > candidate, and Django 1.2 final will release one week from today.
> >
> > > For more information, consult:
> >
> > > * The Django project weblog:
> http://www.djangoproject.com/weblog/2010/may/05/12-rc-1/
> > > * The release notes:
> http://docs.djangoproject.com/en/dev/releases/1.2-rc-1/
> >
> > > --
> > > "Bureaucrat Conrad, you are technically correct -- the best kind of
> correct."
> >
> > > --
> > > You received this message because you are subscribed to the Google
> Groups "Django users" group.
> > > To post to this group, send email to django-us...@googlegroups.com.
> > > To unsubscribe from this group, send email to
> django-users+unsubscr...@googlegroups.com
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Re: ERROR: Caught UnicodeEncodeError while rendering: 'ascii' codec

[Michael Strickland]

Sorry for the delayed response -

And yeah, I'm using cmemcached - looks like the django docs have been
updated in the past month to show it's deprecated. Thanks!

On Apr 19, 9:08 am, Karen Tracey  wrote:
> On Sun, Apr 18, 2010 at 3:54 AM, Michael Strickland 
> wrote:
>
>
>
>
>
> > Temporary fix:
>
> > It appears to be a result of changeset [12637] in memcached.py:
> >http://code.djangoproject.com/changeset/12637
>
> > # memcached.py, lines 53-54 removed in def set()
> > 53:  if isinstance(value, unicode):
> > 54:    value = value.encode('utf-8')
>
> > In my templates at least, this means that before 12637, memcached.py
> > converted the data from 
> > to  before saving it. It no
> > longer does this conversion, which appears to be necessary at least
> > for some users.
>
> > I was able to fix it by adding those two lines back in to
> > memcached.py, so the data is converted before the cache attempts to
> > save it.
>
> > Not to familiar with memcached - any reason it wouldn't be able to
> > digest the unconverted data? I can't tell if this is something that
> > was overlooked when 12637 was adopted, or whether Willem and I have
> > something wrong with our caches...
>
> Which Python memcached bindings are you using -- cmemcached or
> python-memcached?
>
> Karen
>
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Re: Django App and Memory Mgmt

[Javier Guerra Giraldez]

On Thu, May 6, 2010 at 1:40 PM, Ross  wrote:
> Your thoughts appreciated. Is there a better way?  I wouldn't want to
> stuff the XML-file resident content into a database and rebuild the
> XML element subsets because there are tons of files arriving and
> disappearing and it would become a huge background activity for
> another program.

if your XML docs are too transient, then it's not a job for a
database.  if you're getting repeated queries, or if several queries
need some xml elements repeatedly, you could simply use a cache to
avoid the repeats.

If each xml element is used very few times, but you think a good
proportion of them is going to be required before becoming outdated,
then you could preprocess them as they arrive, instead of waiting for
the request.  i guess that processing a whole document would produce
several results much faster than searching each individually.  to
avoid the load on a RDBMS, you might find better to store the
preprocessed results on a key/value store, maybe even a
memory-resident one, like redis.

-- 
Javier

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Re: Django 1.2 release candidate available

[Nick Serra]

Awesome! Thanks so much!

On May 6, 3:32 am, Federico Capoano  wrote:
> I've been using the beta for a while and it works pretty good for what
> I've seen.
>
> On May 6, 6:40 am, James Bennett  wrote:
>
>
>
>
>
> > Tonight we're proud to announce, finally, the first Django 1.2 release
> > candidate. If all goes well, it will also be the *only* release
> > candidate, and Django 1.2 final will release one week from today.
>
> > For more information, consult:
>
> > * The Django project 
> > weblog:http://www.djangoproject.com/weblog/2010/may/05/12-rc-1/
> > * The release notes:http://docs.djangoproject.com/en/dev/releases/1.2-rc-1/
>
> > --
> > "Bureaucrat Conrad, you are technically correct -- the best kind of 
> > correct."
>
> > --
> > You received this message because you are subscribed to the Google Groups 
> > "Django users" group.
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>
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Django App and Memory Mgmt

[Ross]

I have a Django app that selects one of many possible XML documents,
parses it with minidom.parse(), finds all elements of a certain tag
with getElementsByTagName() then it sends a small subset of those
elements off to a client browser.  So I typically have to parse many
thousands of elements to make the DOM object to then get the
appropriate 50 or 100 element portion that will be sent off to the
user as a smaller XML file where it is parsed at the client side with
javascript.

My memory performance with Apache and mod_wsgi isn't very good, and I
assume that's because I parse the whole file into memory, and also
because getElements creates another large object before I can extract
my desired elements. I do a bit of scrutinizing and massaging of them
before they get wrapped up and sent on.

I'd like to call unlink() on the big objects, but I don't know that I
can do that somewhere, as I 'return' the small subset, and I don't
have control after that is returned by Django to the requestor.

Any thoughts on a) is this a big contributor to my memory footprint?
b) wouldn't this all be garbage collected after the response is
handled anyway?  c) would I be better off with a SAX parsing of the
XML file to avoid building the whole DOM tree to get my small subset
of objects?

Your thoughts appreciated. Is there a better way?  I wouldn't want to
stuff the XML-file resident content into a database and rebuild the
XML element subsets because there are tons of files arriving and
disappearing and it would become a huge background activity for
another program.

Ross.

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Re: where can I find good unit test examples?

[Frank]

Perhaps I'm missing something, but when I run "manage.py test", the
system sets up a test database

So you should be able to create all the model elements you need, and
save them and change them -- whatever.

In fact, what I do is during the setUp(...) routine, I add my "stock"
test data. It'll create 1000ish records with proper references. This
is all done within the confines of the Django framework. Then, in
tearDown(), I delete all the data and the next unit test re-setups...

My implementation actually uses a base class. In this way, I can have
multiple base unittest classes that setup data in a particular way.

This design not particular efficient -- it's contently creating and
deleting data. But it does satisfy the standard unit test requirement
that each test is independent of other tests. Either order or expected
data.

While I'm sure it has it's down falls, it works very well for my
system.

Frank [tOSU]
http://blog.theOpenSourceU.com/



On May 6, 3:23 am, Chris Withers  wrote:
> Hi All,
>
> Where can I find good examples of django unit tests?
>
> I currently just want to test my models and some helper functions, but
> they will do a .save() on a bunch of model instances.
>
> Any help gratefully recieved!
>
> Chris
>
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Re: Working out some custom API stuff

[Nick]

Thanks for the help on that portion, it is working wonderfully.

I've been able to power through most of the requests for this project
but there is one outstanding element in regards to pagination.

Here is my view:


def QandAAPI(request, site):
quest = entry.objects.filter(site__name__icontains=site)
if 'id' in request.GET:
ids = request.GET.getlist('id')
quest = quest.filter(id__in=ids)
if 'sect' in request.GET:
sect = request.GET.getlist('sect')
quest = TaggedItem.objects.get_by_model(quest, sect)
if 's' in request.GET:
s = request.GET['s']
search_query = (
Q(question__icontains=s) | Q(answer__icontains=s) |
Q(answerer__icontains=s)
)
quest = quest.filter(search_query)
if 'count' in request.GET and not 'page' in request.GET:
count = request.GET['count']
quest = quest[:count]
if 'count' in request.GET and 'page' in request.GET:
page = int(request.GET['page'])
count = request.GET['count']
paginator = Paginator(quest, count)
try:
page = paginator.page(page)
except ValueError:
page = 1
json = serializers.serialize("json", quest)
return HttpResponse(json)

I am getting the following error when I try to plug a page=1 into the
URL

coercing to Unicode: need string or buffer, int found

I'm not entirely sure how to fix this error, I've tried many times.

The final view should do the following:

Check to see if 'page' and 'coutn' are part of the url. If they are,
then pull up the results of that page with the count declared in the
URL.

There will be another component that will skip the 'count' if it isn't
declared but I haven't got there yet.



On May 5, 4:11 am, Daniel Roseman  wrote:
> On May 5, 4:46 am, Nick  wrote:
>
>
>
> > Here's the deal. I'm working on a customAPIfor moving information
> > about. I am stuck at a point in creating my view.
> > It might be best just to get into the details.
>
> > Here is the model:
>
> > class entry(models.Model):
> >     question = models.CharField('Question', max_length=200,
> > blank=False)
> >     answer = models.TextField('Answer', blank=False)
> >     answerer = models.CharField("Expert's Name", max_length=100,
> > blank=False)
> >     credentials = models.CharField ("Expert's Credentials",
> > max_length=100, blank=False)
> >     published  = models.DateTimeField(auto_now_add=True)
> >     updated = models.DateTimeField(auto_now=True)
> >     site = models.ForeignKey(Site)
> >     section = TagField()
>
> > Once a site is picked the feed is narrowed down by id (whether single
> > id, list or range), then by section (single or multiple) and finally
> > some pagination and count params (I'm not worried about that right
> > now). Currently, I am stuck on the section portion. I may be going
> > about this all wrong. What I would like is for some URL like:
>
> >http://mysite.com/qanda/SITENAME/?sect=THESECTIONNAME
>
> > to produce a JSON output of Questions and Answers under that site with
> > that section name. Here is my view:
>
> > def QandAAPI(request, site):
> >     quest = entry.objects.filter(site__name__icontains=site)
> >     if 'id' in request.GET:
> >         id = request.GET.get('id','')
> >         id = id.split(',')
> >     else:
> >         id = quest.values_list('id', flat=True)
> >     if 'sect' in request.GET:
> >         sect = request.GET.get('sect','')
> >     else:
> >         sect = ''
> >     quest = quest.filter(id__in=id, section=sect)
> >     object = serializers.serialize("json", quest)
> >     json = "%s" % object
> >     return HttpResponse(json)
>
> > Basically, I would like the "else: sect=" to be a WILDCARD so if the
> > sect portion of theAPIisn't explicitly stated then it just pulls
> > everything.
>
> > What do you think? Raw SQL? I'm a complete bonehead? All opinions/
> > advice are welcome.
>
> I wouldn't call you a bonehead, but the method you're using to get all
> the objects when no id is passed in is... well... special.
>
> The key to doing this sort of filtering is to remember that QuerySets
> are lazy, and successive filters can be applied to them without
> hitting the database, until the time comes to actually evaluate them.
> So what you want to do is to set up the base query at the start of the
> method, then further filter it depending on the GET parameters. Then,
> if a particular parameter isn't passed in, you simply don't filter on
> it. Something like:
>
> def QandAAPI(request, site):
>     quest = entry.objects.filter(site__name__icontains=site)
>     if 'id' in request.GET:
>         ids = request.GET.getlist('id')
>         quest = quest.filter(id__in=ids)
>     if 'sect' in request.GET:
>         sect = request.GET['sect']
>         quest = quest.filter(section=sect)
>     json = serializers.serialize("json", quest)
>     return HttpResponse(json)
>
> (Also note that I'm using getlist for 

Re: Converting a urlib2 response to a django one

[Filipe Correia]

Hi,

Thanks for the reply! This looks neat. Although, right now I would
rather not depend on two additional packages if I can :\

I think I'll settle with copying a few headers manually for now:

def digitalObject(request, id):
import base64
import urllib2
url="http://some.url.com/somefile;
req = urllib2.Request(url)
resp = urllib2.urlopen(req)
objfile = resp.read()
response["Expires"] = resp.info().getheader("Expires")
response["Content-Disposition"] = resp.info().getheader("Content-
Disposition")
response["Date"] = resp.info().getheader("Date")
response["Content-Type"] = resp.info().getheader("Content-Type")
return response



Filipe



On May 6, 3:35 pm, Gustavo Narea 
wrote:
> You could do it quite easily with twod.wsgi and Paste:
>
> """
> from paste.proxy import Proxy
> from twod.wsgi import make_wsgi_view
>
> class ProxyRemoteFile(Proxy):
>     def __call__(self, environ, start_response):
>         environ['PATH_INFO'] = "/fixed/path/to/file"
>         return super(ProxyRemoteFile, self).__call__(environ,
> start_response)
>
> proxy_app = ProxyRemoteFile("some.url.com", ["GET"])
>
> # This is the Django view that you can attach to any URLConf:
> proxy_view = make_wsgi_view(proxy_app)
> """
>
> More info 
> here:http://packages.python.org/twod.wsgi/http://pythonpaste.org/modules/proxy.html
>
> On May 6, 2:34 pm, Filipe Correia  wrote:
>
>
>
>
>
> > Hello everyone,
>
> > I'm trying to make a django-view that proxies the contents of a file
> > from another URL.
>
> > This mostly works (I realize some error handling is still needed):
>
> > def digitalObject(request, id):
> >     import base64
> >     import urllib2
> >     url="http://some.url.com/somefile;
> >     req = urllib2.Request(url)
> >     resp = urllib2.urlopen(req)
> >     objfile = resp.read()
> >     response = HttpResponse(objfile)
> >     return response
>
> > but I'd like to avoid copying one by one the header elements of the
> > original response (resp) to the HttpResponse (response). I mean,
> > elements like, the mimetype, the Content-Disposition, etc.
> > Is there a better way to convert a urlib2 response to a django one?
>
> > Thanks,
> > Filipe
>
> > --
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Re: How to adapt some code provided by friend

[Etienne Python]

Hey Frank,

Thanks for the advice. I'm gonna do that as well ;-)

Cheers,

2010/5/5 Frank 

> I hate to chime in here but I recently started using Django, quite
> successfully. I'm also a consent-student. I fear that you are going to
> have a lot of trouble using Django (or anything like it) if you don't
> build some basics.
>
> To successfully use a product like Django, basic knowledge of at least
> database administration will go along way. I'd also highly suggest you
> go though a Intro-to-python book. (The book Dive In To python is
> online: http://diveintopython.org/toc/index.html)
>
> Don't get me wrong, you don't need to be an expert -- or even close --
> of anything to use these tools. But, some basic knowledge will take
> you a long way when trying to determine what a problem might be or how
> to go about something.
>
> Regards,
> Frank (tOSU)
>
> On May 5, 7:05 am, Etienne Python  wrote:
> > Well actually, I copied all of the data (including the database), not
> only
> > the code. But indeed, like you say, the problem is not solved yet just by
> > installing mysql.
> >
> > So I followed the alternative solution you suggested. Now I get another
> > error actually: when I run ./manage.py syncdb  like you suggested I get
> the
> > following message in the cmd:
> >
> > Error: No module named redis_cache.cache
> >
> > I must admit I'm lost ;-)
> >
> > 2010/5/5 Daniel Roseman 
> >
> >
> >
> > > On May 5, 12:23 pm, Etienne Python  wrote:
> >
> > > > File
> "c:\python26\lib\site-packages\django\db\backends\mysql\base.py",
> > > > line 13, in 
> > > >raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e)
> > > > django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb
> > > > module: No module named MySQLdb
> >
> > > As Georg says, you need to install MySQLdb. However I suspect that
> > > that won't solve your problem: if all you've done is copied the Django
> > > code from the server, there'll be a whole stack of things you don't
> > > have, starting with the database itself. If you need the actual data
> > > from the server, you'll need to install MySQL itself as well, then
> > > back up the data from the server and restore it to your local
> > > database.
> >
> > > If you don't, you can probably shortcut this whole process by simply
> > > using sqlite - in your settings.py, change DATABASE_ENGINE to
> > > 'sqlite3' and your DATABASE_HOST to a filename, something like
> > > 'data.db'. Then run ./manage.py syncdb to create the empty database.
> > > --
> > > DR.
> >
> > > --
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> >
> > > .
> > >  For more options, visit this group at
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> >
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Re: access value from request.GET.get in request.method == 'POST

[dariush]

Thank you Scott.

Now I can access the "?token=blah" part.

This was a very fast and painless help.

I will learn more about Post and Get requests.

Best regards
Said

PS: How can I vote for you?

On 6 Mai, 17:04, zinckiwi  wrote:
> > my HTML form tag is as follows:
>
> > 
>
> > How can I avoid losing the "?token=blah" part? I think this could be
> > the problem.
>
> You'll want to replace it with this:
>
> 
>
> As explained here:
>
> http://docs.djangoproject.com/en/dev/ref/request-response/#django.htt...
>
> > > assert False
>
> > I don't konow exactly what you mean with this. Is this some kind of
> > debug possibility?
>
> An "assert" immediately stops execution if the expression evaluates to
> false. So "assert False" just stops the view dead in its tracks. You
> can then inspect the state of your view, including all the variables,
> providing you have settings.DEBUG set to true.
>
> Regards
> Scott
>
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Re: access value from request.GET.get in request.method == 'POST

[zinckiwi]

> my HTML form tag is as follows:
>
> 
>
> How can I avoid losing the "?token=blah" part? I think this could be
> the problem.

You'll want to replace it with this:



As explained here:

http://docs.djangoproject.com/en/dev/ref/request-response/#django.http.HttpRequest.get_full_path

> > assert False
>
> I don't konow exactly what you mean with this. Is this some kind of
> debug possibility?

An "assert" immediately stops execution if the expression evaluates to
false. So "assert False" just stops the view dead in its tracks. You
can then inspect the state of your view, including all the variables,
providing you have settings.DEBUG set to true.

Regards
Scott

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Re: Disabling (or find a workaround for) the comment security checks

[Alex Robbins]

Also, as I think more about this, are you sure you need static
generator? You might get sufficient speed just by using cache.
Premature optimization is bad

On May 6, 8:37 am, Alex Robbins  wrote:
> Disclaimer:
> Disabling the security stuff makes it really likely you'll get comment
> spammed. You should set up some kind of akismet protection on the
> backend if you disable the security.
>
> If you don't want the checking then you probably want a custom comment
> form.
> You can use this method to setup a new 
> form:http://docs.djangoproject.com/en/dev/ref/contrib/comments/custom/#dja...
>
> Then use the form base classes with the functionality you want.
> (You'll probably want to exclude the CommentSecurityForm, and include
> the generic foreign key information some other 
> way.)http://docs.djangoproject.com/en/dev/ref/contrib/comments/forms/
>
> Hope that helps!
> Alex
>
> On May 5, 5:59 pm, Federico Capoano  wrote:
>
>
>
> > Hello to all,
>
> > I've just launched my new web-site powered by django and i'm very
> > satisfied.
>
> > I've implemented StaticGenerator to improve the performance and
> > loading speed and I have to admit is brilliant.
>
> > Unfortunately i've noticed the comment system doesn't work. This
> > happens because the pages of the blog are saved as static html pages,
> > so the timestamp and csfr security stuff are the one saved when the
> > page was generated.
>
> > I gotta find a fix for this, because I really want my blog pages to be
> > saved as static html cos this is the best solution to obtain fast
> > loading speed without overloading my little VPS.
>
> > I think I can generate the timestamp with javascript, but what about
> > the other two fields (csrfmiddlewaretoken and security hash)?
>
> > If you want to take a look closely this is the 
> > url:http://nemesisdesign.net/blog/
> > I hope i'm not breaching any rule by posting the url.
>
> > Thanks
> > Federico
>
> > --
> > You received this message because you are subscribed to the Google Groups 
> > "Django users" group.
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Re: Converting a urlib2 response to a django one

[Gustavo Narea]

On May 6, 3:35 pm, Gustavo Narea 
wrote:
> More info here:
> http://packages.python.org/twod.wsgi/

Sorry, I meant: http://packages.python.org/twod.wsgi/manual/embedded-apps.html

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customizing emailed error messages

[Chris Curvey]

When I get an unexpected error in my mod_wsgi/Django application, I'm
emailed a very nice error message with a stack trace and all the HTTP
environment variables (GET, POST, META, etc.)

That's great, but it does not include the name of the logged-in user.
Is there a way for me to add that information (or other useful stuff)
to the error message that is emailed?  I'm guessing it's a template
somewhere, but I can't find it

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Re: Converting a urlib2 response to a django one

[Gustavo Narea]

You could do it quite easily with twod.wsgi and Paste:

"""
from paste.proxy import Proxy
from twod.wsgi import make_wsgi_view

class ProxyRemoteFile(Proxy):
def __call__(self, environ, start_response):
environ['PATH_INFO'] = "/fixed/path/to/file"
return super(ProxyRemoteFile, self).__call__(environ,
start_response)

proxy_app = ProxyRemoteFile("some.url.com", ["GET"])

# This is the Django view that you can attach to any URLConf:
proxy_view = make_wsgi_view(proxy_app)
"""

More info here:
http://packages.python.org/twod.wsgi/
http://pythonpaste.org/modules/proxy.html

On May 6, 2:34 pm, Filipe Correia  wrote:
> Hello everyone,
>
> I'm trying to make a django-view that proxies the contents of a file
> from another URL.
>
> This mostly works (I realize some error handling is still needed):
>
> def digitalObject(request, id):
>     import base64
>     import urllib2
>     url="http://some.url.com/somefile;
>     req = urllib2.Request(url)
>     resp = urllib2.urlopen(req)
>     objfile = resp.read()
>     response = HttpResponse(objfile)
>     return response
>
> but I'd like to avoid copying one by one the header elements of the
> original response (resp) to the HttpResponse (response). I mean,
> elements like, the mimetype, the Content-Disposition, etc.
> Is there a better way to convert a urlib2 response to a django one?
>
> Thanks,
> Filipe
>
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Re: Disabling (or find a workaround for) the comment security checks

[Alex Robbins]

Disclaimer:
Disabling the security stuff makes it really likely you'll get comment
spammed. You should set up some kind of akismet protection on the
backend if you disable the security.

If you don't want the checking then you probably want a custom comment
form.
You can use this method to setup a new form:
http://docs.djangoproject.com/en/dev/ref/contrib/comments/custom/#django.contrib.comments.get_form

Then use the form base classes with the functionality you want.
(You'll probably want to exclude the CommentSecurityForm, and include
the generic foreign key information some other way.)
http://docs.djangoproject.com/en/dev/ref/contrib/comments/forms/

Hope that helps!
Alex

On May 5, 5:59 pm, Federico Capoano  wrote:
> Hello to all,
>
> I've just launched my new web-site powered by django and i'm very
> satisfied.
>
> I've implemented StaticGenerator to improve the performance and
> loading speed and I have to admit is brilliant.
>
> Unfortunately i've noticed the comment system doesn't work. This
> happens because the pages of the blog are saved as static html pages,
> so the timestamp and csfr security stuff are the one saved when the
> page was generated.
>
> I gotta find a fix for this, because I really want my blog pages to be
> saved as static html cos this is the best solution to obtain fast
> loading speed without overloading my little VPS.
>
> I think I can generate the timestamp with javascript, but what about
> the other two fields (csrfmiddlewaretoken and security hash)?
>
> If you want to take a look closely this is the 
> url:http://nemesisdesign.net/blog/
> I hope i'm not breaching any rule by posting the url.
>
> Thanks
> Federico
>
> --
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Converting a urlib2 response to a django one

[Filipe Correia]

Hello everyone,

I'm trying to make a django-view that proxies the contents of a file
from another URL.

This mostly works (I realize some error handling is still needed):

def digitalObject(request, id):
import base64
import urllib2
url="http://some.url.com/somefile;
req = urllib2.Request(url)
resp = urllib2.urlopen(req)
objfile = resp.read()
response = HttpResponse(objfile)
return response

but I'd like to avoid copying one by one the header elements of the
original response (resp) to the HttpResponse (response). I mean,
elements like, the mimetype, the Content-Disposition, etc.
Is there a better way to convert a urlib2 response to a django one?


Thanks,
Filipe

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Re: where can I find good unit test examples?

[Euan Goddard]

Hi Chris,

First of all, I never had much luck writing reproducible tests for
Django models with the fixture system that comes built into Django as
I never got consistent results and found the XML a pain to maintain. I
came across Fixture - http://code.google.com/p/fixture/ We have this
running with our Django installation for all our unittests and it
works a treat. There are some examples of unittests in the source for
that.

I've used that in an open source project called Django audit to test
some model related bits and pieces, but I wouldn't necessarily attest
to their being "good tests" as it's a work in progress. Have a look at
https://launchpad.net/django-audit/ in the tests section.

For good unittesting in general in a Django type manner (but not
specifically model related) have a look at 
http://pypi.python.org/pypi/twod.wsgi/

Hope this helps, Euan

On May 6, 9:23 am, Chris Withers  wrote:
> Hi All,
>
> Where can I find good examples of django unit tests?
>
> I currently just want to test my models and some helper functions, but
> they will do a .save() on a bunch of model instances.
>
> Any help gratefully recieved!
>
> Chris
>
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Re: Grappelli - TinyMCE only works in Firefox

[patrickk]

TinyMCE works in every browser ... you just need to change the setup-
file, see
http://wiki.moxiecode.com/index.php/TinyMCE:Configuration/browsers

regards,
patrick


On 6 Mai, 14:53, django_jedi  wrote:
> Hi All,
>
> We're using Grappelli in the admin of a Django site we're building.
> Weirdly, the TinyMCE text editor only shows up in Firefox.  Has anyone
> else run into this?
>
> I've been scouring the Net and the TinyMCE wiki for clues but so far
> no luck.
>
> Any help would be greatly appreciated.
>
> TIA
>
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Re: access value from request.GET.get in request.method == 'POST

[dariush]

On 6 Mai, 14:35, zinckiwi  wrote:
> First thing would be to ensure that when you submit the form back to
> itself, the querystring remains. It's all well and good to visit a
> form like this:
>
> /someapp/myform/?token=blah
>
> But if your HTML form tag is:
>
> 
>
> Then you'll lose the "?token=blah" part when you submit.

my HTML form tag is as follows:



How can I avoid losing the "?token=blah" part? I think this could be
the problem.

>
> Other than that, nothing I can spot in there that would case token to
> be blank. In other words, a request made with POST still has any
> arguments in the querystring accessible via request.GET.
>
> I'd break the code right after you extract the token:
>
> token = request.GET.get('token', ' ')
> assert False

I don't konow exactly what you mean with this. Is this some kind of
debug possibility?

>
> ...and inspect the value of token in the state output. If it looks
> fine there, just keep moving that "assert False" down till you find
> where the value is getting lost.
>
> Regards
> Scott
>
>
>
> > Hi to everybody. I am a django and python newbie and I hope that
> > someone can help me here.
> > This is my first post here.
>
> > I will first explain my problem very abstractly to confine myself to
> > only the bare necessities.
>
> > I define a function "process" in a views.py file.
>
> > BEGIN Code
>
> > def process(request, template_name)
> >     token = request.GET.get('token', ' ')
> >     ...
> >     if request.method == 'GET':
> >         some_details = getDetails(token)
> >         
> >         if 'Success' in some_details['ACK']
> >             email_adress = some_details['EMAIL'][0]
> >             first_name = some_details['FIRSTNAME'][0]
> >             ...
> >         return render_to_response(template_name, --->
> > locals(), context_instance=RequestContext(request))
>
> >     if request.method == 'POST':
> >         details_response = doSomething(token = token) # everytime I
> > enter this, I get empty token
> >         if 'Success' in details_respone['ACK']:
> >             ...
> >         else:
> >                error_code = details_response['L_ERRORCODE0']
> >     return render_to_response(template_name, --->
> > locals(), context_instance=RequestContext(request))
>
> > END Code
>
> > My question is: how can I access the value for token when polling the
> > if request.method == 'POST'
>
> > I would appreciate any help.
>
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Grappelli - TinyMCE only works in Firefox

[django_jedi]

Hi All,

We're using Grappelli in the admin of a Django site we're building.
Weirdly, the TinyMCE text editor only shows up in Firefox.  Has anyone
else run into this?

I've been scouring the Net and the TinyMCE wiki for clues but so far
no luck.

Any help would be greatly appreciated.

TIA

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Re: access value from request.GET.get in request.method == 'POST

[zinckiwi]

First thing would be to ensure that when you submit the form back to
itself, the querystring remains. It's all well and good to visit a
form like this:

/someapp/myform/?token=blah

But if your HTML form tag is:



Then you'll lose the "?token=blah" part when you submit.

Other than that, nothing I can spot in there that would case token to
be blank. In other words, a request made with POST still has any
arguments in the querystring accessible via request.GET.

I'd break the code right after you extract the token:

token = request.GET.get('token', ' ')
assert False

...and inspect the value of token in the state output. If it looks
fine there, just keep moving that "assert False" down till you find
where the value is getting lost.

Regards
Scott

> Hi to everybody. I am a django and python newbie and I hope that
> someone can help me here.
> This is my first post here.
>
> I will first explain my problem very abstractly to confine myself to
> only the bare necessities.
>
> I define a function "process" in a views.py file.
>
> BEGIN Code
>
> def process(request, template_name)
>     token = request.GET.get('token', ' ')
>     ...
>     if request.method == 'GET':
>         some_details = getDetails(token)
>         
>         if 'Success' in some_details['ACK']
>             email_adress = some_details['EMAIL'][0]
>             first_name = some_details['FIRSTNAME'][0]
>             ...
>         return render_to_response(template_name, --->
> locals(), context_instance=RequestContext(request))
>
>     if request.method == 'POST':
>         details_response = doSomething(token = token) # everytime I
> enter this, I get empty token
>         if 'Success' in details_respone['ACK']:
>             ...
>         else:
>                error_code = details_response['L_ERRORCODE0']
>     return render_to_response(template_name, --->
> locals(), context_instance=RequestContext(request))
>
> END Code
>
> My question is: how can I access the value for token when polling the
> if request.method == 'POST'
>
> I would appreciate any help.

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Re: QuerySet.distinct and aggregates

[zinckiwi]

> The actual call I had tried was
> Payment.objects.filter(appliedpayment__invoice__location=loc).distinct().ag 
> gregate(Sum('amount'))
> (where amount is a field on Payment). I could do
> AppliedPayment...aggregate(...), but unfortunately the AppliedPayment
> splits the 'amount' into several values (based on revenue type), which
> would mean doing several aggregate calls and summing them, which I've
> already done when it seemed appropriate (and I just discovered while
> writing this that aggregate can take more than one argument, but I
> don't know if that results in a single query).

Multiple aggregates within the same aggregate(), I'm 99% sure, are put
into a single query, at least if they're simple and not spanning
complex relationships themselves.

> For now, when I know
> there's generally going to be less than a dozen instances, I've just
> done the processing in python, which I'm sure will work fine.
>
> I was hoping for an elegant solution for when I know there's going to
> be several thousand plus instances (or hundreds of thousands after a
> year or two of deployment). So in the end, I guess I can work with it,
> but mostly I was hoping to find out whether the whole respecting
> distinct() thing could be made to happen.

Yeah, that's a tricky use case no matter what. I don't think there's a
way out of *something* doing some heavy lifting, whether it be python
or the db. But as I've seen mentioned many times (often by
Malcolm...where's a Malcolm bat-signal when you need one? I'd love to
hear his thoughts on this) the ORM isn't designed and can't be
expected to handle 100% of cases. This may indeed be a situation where
a simple extra() actually *is* the elegant solution.

> Dunno if it's worthwhile filing a ticket for it, or if there is one.
> Or maybe just a doc ticket for mentioning explicitly that aggregate
> ignores distinct.

Certainly agree with this.

Sorry I couldn't be more help!

Regards
Scott

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access value from request.GET.get in request.method == 'POST

[dariush]

Hi to everybody. I am a django and python newbie and I hope that
someone can help me here.
This is my first post here.

I will first explain my problem very abstractly to confine myself to
only the bare necessities.

I define a function "process" in a views.py file.

BEGIN Code

def process(request, template_name)
token = request.GET.get('token', ' ')
...
if request.method == 'GET':
some_details = getDetails(token)

if 'Success' in some_details['ACK']
email_adress = some_details['EMAIL'][0]
first_name = some_details['FIRSTNAME'][0]
...
return render_to_response(template_name, --->
locals(), context_instance=RequestContext(request))

if request.method == 'POST':
details_response = doSomething(token = token) # everytime I
enter this, I get empty token
if 'Success' in details_respone['ACK']:
...
else:
   error_code = details_response['L_ERRORCODE0']
return render_to_response(template_name, --->
locals(), context_instance=RequestContext(request))

END Code

My question is: how can I access the value for token when polling the
if request.method == 'POST'

I would appreciate any help.

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MacPorts installation, Django $PATH issue

[HelloWorld]

Hi everybody

I just got Django installed (to test it) via Macports and I have
Python 2.5 and 2.6 installed on a MacBook running 10.6.3.

I did everything the installation guide told me, but after typing:

python manage.py runserver

I get this error:

File "manage.py", line 2, in 
from django.core.management import execute_manager
ImportError: No module named django.core.management

I believe the solution would be this comment on the installation
site:

To avoid a command not found issue with Snow Leopard 10.6.2 and
various other OSX (Django installed using MacPorts?) here a tip that
might help. There might be a $PATH issue. Adding the proper PATH to
~/.Profile: export PATH=/opt/local/bin:opt/local/sbin:/opt/local/lib/
python2.4/site-packages/django/bin:$PATH should help. NB Could be that
one needs to change the Python version in the PATH.

But I dont now what a $PATH issue is and where I could paste this code
to fix it.

Or if you know another possible reason please tell me.

Any help would be greatly appreciated.

Thanks a lot

Best

Z.

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Re: Syntax for displaying field values from parent model(s) in a template?

[derek]

On May 5, 9:15 pm, Daniel Roseman  wrote:
> On May 5, 6:27 pm, Derek  wrote:
>
>
>
> > I  have set of models, with relationships D -> C -> B -> A, where the
> > "->" indicates a "many to one" relationship.
>
> > I have been able to create a filtered queryset on child model D, based
> > on a value in a parent model A, using the following syntax:
>
> > my_query = D.objects.filter(C__B__A__name__icontains = "foo")
>
> > where model A has a field called "name".
>
> > I need to be able to display the value of the "name" field from A,
> > along with the field attribute data from D in a template.
>
> > I have therefore added the following to the end of my_query:
>
> > .select_related('C__B__A__name')
>
> > Assuming the template is called with the context containing:
>
> > 'results': my_query
>
> > then I can use {{ results.name }}, for example, to retrieve the value
> > of the "name" field from model D.
>
> > However I am unable to figure out the correct syntax for retrieving
> > the value of the "name" field from related model A.
>
> > I have tried  {{ results.C.B.A.name }} with no effect?
>
> > What is the correct way to do this?
>
> > Thanks
> > Derek
>
> Firstly, your select_related syntax is wrong. You don't need it to
> access related objects, but it does help cut down on db queries.
> However, it doesn't go down to field level, so you just want
> 'C__B__A'.
>
> Secondly, your 'results' object is a queryset, so you *can't* do
> 'results.name' as you claim. A queryset is a collection of items, not
> a single one, so 'results' as a whole doesn't have either 'name' or
> 'C' attributes. However, once you iterate through the queryset, each
> individual item inside it does have both 'name' and 'C' attributes. So
> this will work:
>
> {% for result in results %}
>     {{ result.name }} : {{ result.C.B.A.name }}
> {% endfor %}
>
> An easy way of exploring all this is via the shell - you could have
> seen the result of your query there, and accessed the individual
> objects and their attributes.
> --
> DR.

Daniel

Thanks for the heads-up about working in the shell.  I have found out
more useful commands and syntax in doing so (e.g. showing the SQL from
the query via my_query.query.as_sql() ).

I had the right idea (e.g. I was working with the {% for result in
results %}  loop, even though I did not indicate that to the original
question) .  The root of the problem was that my model relationships
were incorrect i.e. D <- C -> B -> A  and so I had to restructure the
query.

Derek

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where can I find good unit test examples?

[Chris Withers]

Hi All,

Where can I find good examples of django unit tests?

I currently just want to test my models and some helper functions, but 
they will do a .save() on a bunch of model instances.


Any help gratefully recieved!

Chris

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Re: Django 1.2 release candidate available

[Federico Capoano]

I've been using the beta for a while and it works pretty good for what
I've seen.



On May 6, 6:40 am, James Bennett  wrote:
> Tonight we're proud to announce, finally, the first Django 1.2 release
> candidate. If all goes well, it will also be the *only* release
> candidate, and Django 1.2 final will release one week from today.
>
> For more information, consult:
>
> * The Django project 
> weblog:http://www.djangoproject.com/weblog/2010/may/05/12-rc-1/
> * The release notes:http://docs.djangoproject.com/en/dev/releases/1.2-rc-1/
>
> --
> "Bureaucrat Conrad, you are technically correct -- the best kind of correct."
>
> --
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Re: Open source CMS (if based on Django better)

[Matthias Kestenholz]

On Wed, May 5, 2010 at 9:52 PM, Jonatan.mv  wrote:
> What would be you recommended CMS?. Could you please give some reasons
> (pro and cons)?.
>
> I'm investigating on these:
>
> - PyLucid v0.8.x stable, v0.9 alpha
> - FeinCMS v1.1.0 stable
> - django-simplecms
> - django-cms-2.0 2.0.2 stable , 2.1 alpha
> - google-sites
>

Disclaimer: I'm the primary author of FeinCMS, so my view is obviously
biased. I won't give a recommendation and will let others speak up.
That being said, there's still some advice I'd like to give.

Some of these packages have different goals than other:

FeinCMS and Django-CMS are primarily page oriented CMS. Both have
plugins, which can be used to integrate other types of content than
only rich text / plain text content snippets.

On the other hand, simplecms and PyLucid offer more modules for
structured content (like articles, blog entries etc) and therefore do
more, but you might not need all functionality they offer. Using those
might give you a head start compared to Django-CMS or FeinCMS though,
but I'm not sure about that because I've never taken a deeper look at
them.

google-sites ... this is a list concerning Django, so google sites is
off-topic, and I'm not sure whether you can use google sites for your
own webpages at all, at least if you have requirements for styling,
functionality which do not align well with what google sites is
currently offering.

Btw, did you take a look at the following page on the Django wiki?

http://code.djangoproject.com/wiki/CMSAppsComparison



Thanks,
Matthias

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Re: Limiting a ForeignKey to a subset of values

[Javier Guerra Giraldez]

On Thu, May 6, 2010 at 1:03 AM, Xavier Ordoquy  wrote:
> Hi,
>
> I currently have a foreign key for which the model should allow the selection 
> of a subset of objects depending on another object value.
>
> Let's say model A has a foreign key on model B. Model A & B have a field 
> called restriction.
> For a given A object, I'd like to display B objects that have the same 
> restriction field value as the A object.
>
> I've browsed a bit about the limit_choices_to but couldn't find a decent 
> solution for that issue.
> To me complex queries wouldn't solve the issue as I need to access the object 
> field value.
>
> Does anyone have a solution for that ?

i've recently ran in to something similar.  i couldn't find a clean
way to do it at the models; but at the forms is relatively simple:
(from memory, beware of stupid mistakes)

class formA (modelForm):
  def __init__(self, *args, **kwargs):
restriction = kwargs.pop ('restriction', None)
instance = kwargs.get ('instance', None)
super (modelForm, self).__init__(self, *args, **kwargs)
if instance and not restriction:
  restriction = instance.restriction
self.fields['b_set'].queryset = B.objects.filter(restriction=restriction)

  class Meta:
model = A

this is A's modelForm, but the constructor takes an optional
'restriction' value.  if given, it will show only B objects with that
restriction.  if no restriction, but it's given an A instance, reads
the restriction from there.


-- 
Javier

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Re: Make MPs answer to us

[Darren Mansell]

On 6 May 2010 07:41, Darren Mansell  wrote:

>
>
> On 6 May 2010 00:35, Russell Keith-Magee  wrote:
>
>> On Thu, May 6, 2010 at 3:04 AM, Darren Mansell 
>> wrote:
>> >
>> > It's election day tomorrow. This is a great web site for lots of info
>> about what's really going on:
>> > [http://www.38degrees.org.uk]
>>
>> This is a forum about using Django. The site you reference is in no
>> way relevant to that topic (as far as I can make out, it's written in
>> PHP).
>>
>> Furthermore, this a forum where the vast majority of readers are not
>> eligible to vote in the UK elections.
>>
>> While I heartily endorse the message that you should vote when
>> appropriate in your particular jurisdiction, and be well informed when
>> doing so, django-users isn't the right place to start promoting your
>> political viewpoints. Please don't do this again.
>>
>> Yours,
>> Russ Magee %-)
>>
>>
>>
> Sorry Keith and everyone, accidentally loaded this mail address from my
> contacts. Oops.
>

And of course by Keith I meant Russ. Oh dear I should just give up.

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Re: Make MPs answer to us

[Darren Mansell]

On 6 May 2010 00:35, Russell Keith-Magee  wrote:

> On Thu, May 6, 2010 at 3:04 AM, Darren Mansell 
> wrote:
> >
> > It's election day tomorrow. This is a great web site for lots of info
> about what's really going on:
> > [http://www.38degrees.org.uk]
>
> This is a forum about using Django. The site you reference is in no
> way relevant to that topic (as far as I can make out, it's written in
> PHP).
>
> Furthermore, this a forum where the vast majority of readers are not
> eligible to vote in the UK elections.
>
> While I heartily endorse the message that you should vote when
> appropriate in your particular jurisdiction, and be well informed when
> doing so, django-users isn't the right place to start promoting your
> political viewpoints. Please don't do this again.
>
> Yours,
> Russ Magee %-)
>
>
>
Sorry Keith and everyone, accidentally loaded this mail address from my
contacts. Oops.

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Limiting a ForeignKey to a subset of values

[Xavier Ordoquy]

Hi,

I currently have a foreign key for which the model should allow the selection 
of a subset of objects depending on another object value.

Let's say model A has a foreign key on model B. Model A & B have a field called 
restriction.
For a given A object, I'd like to display B objects that have the same 
restriction field value as the A object.

I've browsed a bit about the limit_choices_to but couldn't find a decent 
solution for that issue.
To me complex queries wouldn't solve the issue as I need to access the object 
field value.

Does anyone have a solution for that ?

Regards,
Xavier.

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