Identify fieldmodel for attributes of an given object

Hey,

I want to get the Fieldmodel(Charfield, TextField, SlugField...) of  
each member of any given object.

What I have now is this:

     def search_objects_attributes(o):
         object_dir = dir(o)
         for i in object_dir:
             try:
                 current_attribute = getattr(o, i)
             except:
                 continue
             if type(current_attribute) == type(u''):
                 print i+': '+str(current_attribute.__class__)+' '+str 
(len(current_attribute))+' '+current_attribute.encode('utf-8')[:300]

This code get every member, that is represented as unicode string,  
but I'd like to know, if it was defined as TextField, CharField....

How this is possible?

Thanks, Manuel

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Re: Best way to extend an existing django app

Hi Rajesh,

On 4/30/08, Rajesh Dhawan (rajesh.dhawan <at> gmail.com) wrote:

>> Is there a reasonable/accptable ot better yet "recommended" way to add 
>functionality, etc. to an app without resorting to the above points? If so, 
>what stones should I turn (via google serches, etc.) to figure this out.
>
>It depends quite a bit on how "extensibly" the said app was designed.
>Does it use Python classes, for instance? If so, you could look into
>extending these classes with your own. Does it issue or allow Django
>signals? If so, you could add your own listeners to such signals.

A quick bit of grepping shows that signals are being used internally. The majority of its classes are within
Django models.

>You can also do many other kludgy things with Python like replacing a
>class method's implementation but that's not very good practice as it
>eventually ends up with unmaintanable code.

I can't afford to develop anything short-sighted - overall a losing proposition.

>Can you tell us more about the app your are looking to extend and also
>in what ways you want to extend it?

Sure. I'm looking at Satchmo. Parts of it are close enough that I can adapt to how it is configured.
Unfortunately, the product models and client models don't fit well, esp. the product model. I posted a
similar message on the Satchmo list with greater detail but have not received any suggestions.

Passing a variable to forloop

Hi, guys.  I'm working with a paginator templatetag, and I'm trying to
apply a custom style to the current page.

In the code below, page.number renders *outside* the forloop, but not
*inside* the forloop.

{{ page.number }} << this one renders, but the next page.number does
not.
{% for page in page.object_list %}
<span class="{% ifequal page.number forloop.counter %}current{% else
%}page{% endifequal %}">
{{ forloop.counter }}
</span>
{% endfor %}

How can I get that page.number inside the loop?

Thanks!
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"data" is a reserved field in newforms?

A coworker of mine created a form with a field called "data".

ie. data = forms.CharField()

This resulted in an exception being thrown when is_valid() was called
on the form:

form error - 'dict' is not callable

The exception occurs at line 180 in
   <python install>\lib\site-packages\django\newforms\forms.py

in Django 0.96.

The reason is that the hasattr() call for "clean_data" returns true.

We're just considering "data" as a reserved word in newforms now, but
I wanted to check to see if this was known. If so, I'd expect an error
saying so, instead of the cryptic one that we received.

Thanks,
Miker
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Re: Passing a variable to forloop

On Wed, 30 Apr 2008 17:21:47 -0700 (PDT)
Jay <jay.jansheski <at> gmail.com> wrote:

> 
> Hi, guys.  I'm working with a paginator templatetag, and I'm trying to
> apply a custom style to the current page.
> 
> In the code below, page.number renders *outside* the forloop, but not
> *inside* the forloop.
> 
> {{ page.number }} << this one renders, but the next page.number does
> not.
> {% for page in page.object_list %}
> <span class="{% ifequal page.number forloop.counter %}current{% else
> %}page{% endifequal %}">
> {{ forloop.counter }}
> </span>
> {% endfor %}
> 
> How can I get that page.number inside the loop?
> 

It's a bit hard to tell what's going on without the template tag, but
it appears you have a name collision.

--

-- 
Lucas Hazel <lucas <at> die.net.au>

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Re: Simply can't get sessions to work - help!

Hi Karen,

Ok, I have verified that the session cookie is being set using the
WebDeveloper toolbar in Firefox, and I set up an "error" page to
redirect to if the cookie wasn't set. All that worked as intended.

So, my next stupid question is...how do I get the value of the cookie
back out to the template, if it's not the way outlined in the
documentation...?

TIA,
Brandon

On Apr 30, 3:30 pm, "Karen Tracey" <kmtra... <at> gmail.com> wrote:
> On Wed, Apr 30, 2008 at 3:40 PM, Brandon Taylor <btaylordes... <at> gmail.com>
> wrote:
>
>
>
>
>
> > Hello everyone,
>
> > I must be missing the forest for the trees, because I simply can't see
> > what I'm doing wrong here!
>
> > #in views.py
> > def find_seminar_occurrence(request, slug, id):
> >    occurrence = get_object_or_404(Occurrence, pk=id)

Re: Passing a variable to forloop

Thank you-- I meant to include that.  The template tag is here,
unchanged:

http://www.djangosnippets.org/snippets/673/

On Apr 30, 8:41 pm, Lucas Hazel <lu... <at> die.net.au> wrote:
> On Wed, 30 Apr 2008 17:21:47 -0700 (PDT)
>
>
>
> Jay <jay.janshe... <at> gmail.com> wrote:
>
> > Hi, guys.  I'm working with a paginator templatetag, and I'm trying to
> > apply a custom style to the current page.
>
> > In the code below, page.number renders *outside* the forloop, but not
> > *inside* the forloop.
>
> > {{ page.number }} << this one renders, but the next page.number does
> > not.
> > {% for page in page.object_list %}
> > <span class="{% ifequal page.number forloop.counter %}current{% else
> > %}page{% endifequal %}">
> > {{ forloop.counter }}
> > </span>
> > {% endfor %}
>
> > How can I get that page.number inside the loop?
>

Re: Hardy Upgrade And PythonPath

Thank you!  That solves my problem  I was afraid they decided to rip
out generic relationships.  I know some people don't like using a
model like that but the truth is that it's been used in practice for a
long time.  There are advantages to it in some situations.

I'll take your advice and use the SVN release.  Thanks again.

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Re: Simply can't get sessions to work - help!

I got it figured out. It wasn't anything to do with my session code at
all. It was my own fault, not matching the "thanks" view correctly.

I'm still getting used to matching routes with RegExes, but now I know
what to do next time.

Thanks,
Brandon

On Apr 30, 7:48 pm, Brandon Taylor <btaylordes... <at> gmail.com> wrote:
> Hi Karen,
>
> Ok, I have verified that the session cookie is being set using the
> WebDeveloper toolbar in Firefox, and I set up an "error" page to
> redirect to if the cookie wasn't set. All that worked as intended.
>
> So, my next stupid question is...how do I get the value of the cookie
> back out to the template, if it's not the way outlined in the
> documentation...?
>
> TIA,
> Brandon
>
> On Apr 30, 3:30 pm, "Karen Tracey" <kmtra... <at> gmail.com> wrote:
>
> > On Wed, Apr 30, 2008 at 3:40 PM, Brandon Taylor <btaylordes... <at> gmail.com>
> > wrote:
>
> > > Hello everyone,

Re: "data" is a reserved field in newforms?