Re: Why are DateTimeField auto_now and auto_now_add bad?

[Russell Keith-Magee]

I'm not aware of a formally documented list anywhere.

To the best my knowledge, the bug/downside that is referred to here is that
the fields *won't* automatically update in *every* circumstance. You need
to actually *save* the model to make the field update. Calls to update,
save_base, etc won't invoke the "auto" part of the field logic, and the
timestamp won't be adjusted.

Yours,
Russ Magee %-)


On Sun, Jul 27, 2014 at 10:29 PM, Mattias Linnap  wrote:

> Hi all,
>
> I've seen DateTimeField's auto_now and auto_now_add parameters often
> described as "buggy" or "error-prone". For example:
> https://code.djangoproject.com/ticket/22995
> https://groups.google.com/forum/#!topic/django-developers/TNYxwiXLTlI
>
> The ticket proposes to document these downsides or problems in more
> detail. But until that happens, is there a blog post or mailing list post
> somewhere that summarises the gotchas to watch out for with auto_now?
>
> Thanks,
>
> Mattias
>
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Django Search via Form Redirect to URL

[Conner DiPaolo]

I already have a valid search function mapped in my Django project, you 
type in a url '/project/search//' and it responds the corresponding search 
results on a page. I want to have a search box in my nav-bar that was 
created in my base.html and have users type in a query and it will redirect 
them to the search url. When I type into the search bar and click submit, 
however, the I am just directed to '/project/search/' with no relation to 
the query. How do I connect the form to redirect to the URL, *properly*??

Thanks in advance.

Here is my view definition and form class:

class SearchForm(forms.Form):
search_string = forms.CharField(max_length=100)def search(request, 
search_query):
if request.method == 'GET':
form = SearchForm()
context = RequestContext(request)
search_string = search_query.replace('_',' ')
search_terms = search_query.split('_')
search_results = Article.objects.all()
for term in search_terms:
search_results = search_results.filter(article__icontains=term)

context_dict = {
'search_string':search_string,
'search_results':search_results,
'form':form,
}


if request.method == 'POST':
form = SearchForm(request.POST)
if form.is_valid():
search_string = form.data['search_string']
search_query = search_string.replace(' ','_')
###return HttpResponseRedirect(reverse('search', 
args=(search_query,)))
search_url = '/beacon/search/' + search_query + '/'
return HttpResponseRedirect(search_url)
else:
return render_to_response('search.html', context_dict, context)

My base form html is (yes it is from bootstrap):



{% csrf_token %}


Submit


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Re: Chat application

[Pedro]

Thank you guys.

I tried to do it using socket.io clients and django-socketio but i just
can't make it works. So, now i'm using a node.js server that talks with my
main django server. Clients emit messages to the node.js server, that does
the authentification with a POST request to my django server. I need to do
more tests but this looks to work well.

Thank you all!
Em 20/06/2014 00:22, "Anshum Verma"  escreveu:

> I would suggest you to use Twisted along with Django. Django could serve
> as MVC framework and twisted could take control of connection protocol.
> On Jun 19, 2014 4:17 AM, "Pedro"  wrote:
>
>> Hello,
>>
>> i'm working in a mobile app that depends of a Django server (to manage
>> user data and stuff).
>> This mobile app is about a social network with users interacting. It
>> should have a chat system, where two or more users can send and receive
>> messages and photos.
>>
>> I'm thinking in the best way to implement the communication and the model
>> on the server. My first idea is to use a simple model with rooms and
>> messages (each message belong to a room). To send messages from a client to
>> the server, i think i could use http requests, like GETs and POSTs, where i
>> would implement syncronization methods and stuff.
>>
>> Is this the best approach to solve this problem on Django?
>>
>>
>> --
>> Pedro Alves
>>
>> *Mestrando em Ciência da Computação*
>> *Universidade Estadual de Campinas*
>>
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Re: inicio en django

[Mario R. Osorio]

No se si te mencione virtualenvwrapper que, aunque no es imperativo, te va 
a facilitar mucho la vida.



On Saturday, July 26, 2014 4:10:37 PM UTC-4, juantonio v wrote:
>
> hola tengo el Django-1.6.5.tar.gz de django, ahora como lo instalo?
>
>
> gracias!
>

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Re: inicio en django

[Mario R. Osorio]

En primer lugar, no hace falta que vayas a pagar ningun curso de $95, eso 
es pura mierda. Especialmente habiendo TANTOS RECURSOS GRATIS sobre django 
en toda la internet. Por supuesto que el 80% quizas sea en ingles.

Desconozco tu experiencia, pero antes de comenzar a trabajar con django, es 
casi imperativo que aprendas a usar usar virtualenv, pip e easy_install.

Te envio algunos enlaces de interes para que te inicies:

   - Creación de entornos virtuales Python 
   

   - Cómo instalar un paquete Python con pip 
   
   - Configurar Django y MySQL en VirtualEnv 
   

   - Virtualenv 
   
   - Virtualenv: Aislando Nuestro Entorno Python 
   
   - Curso Django: Instalación y primera aplicación 
   

   - ¡Descubre Django! 
   - Tu primera aplicación Django, parte 1 
   
   - Empezando con Django 
   - Aprende DJango de Python desde cero 
   
   - 
   - Python Dominicana 006 - python.do, mezzanine y django 
   




On Saturday, July 26, 2014 4:10:37 PM UTC-4, juantonio v wrote:
>
> hola tengo el Django-1.6.5.tar.gz de django, ahora como lo instalo?
>
>
> gracias!
>

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Re: Problem in the Tutorial 01

[Ricardo Daniel Quiroga]

get() si no existe coincidencia te tira error asi de simple.


2014-07-24 11:41 GMT-03:00 Daniel Roseman :

> On Thursday, 24 July 2014 13:53:54 UTC+1, Fabian Zentner wrote:
>
>> Hey guys,
>>
>> I'm new with Django and Python as well. I'm doing the tutorial 1 on the
>> website (https://docs.djangoproject.com/en/1.6/intro/tutorial01/).
>> I'm using Python27 (C:\Python27)
>> In C:\Python27\Scripts\ I have the project mysite and polls like in the
>> tutorial
>>
>> In the part "Playing with the API"
>>
>>
>> **
>>
>
>
>>
>>
>>
>>
>>
>> *>>> p.choice_set.all() [, > object>, , , > object>, ] >>> p.choice_set.count() 6 *
>> I get always Poll: Poll object or Choice: Choice object instead of the
>> defined text. Also I have problems with the part of
>>
>>
>>
>> * p = Poll.objects.get(pk=1) >>> p.was_published_recently() *
>> Could somebody help me please? Before I start with the tutorial number
>> 2...
>>
>> Thanks a lot.
>>
>> Fabian
>>
>
>
> After you make changes to the code,  you need to reload it: the easiest
> way is exit your shell and go back in.
> --
> DR.
>
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>
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Why are DateTimeField auto_now and auto_now_add bad?

[Mattias Linnap]

Hi all,

I've seen DateTimeField's auto_now and auto_now_add parameters often 
described as "buggy" or "error-prone". For example:
https://code.djangoproject.com/ticket/22995
https://groups.google.com/forum/#!topic/django-developers/TNYxwiXLTlI

The ticket proposes to document these downsides or problems in more detail. 
But until that happens, is there a blog post or mailing list post somewhere 
that summarises the gotchas to watch out for with auto_now?

Thanks,

Mattias

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[ANNOUNCE] Django 1.7 RC 2 released

[James Bennett]

Check out the weblog for details (including information on a change to the
keys used to sign Django releases):

https://www.djangoproject.com/weblog/2014/jul/27/17rc2/

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Re: Django/Python-ldap Ldap Question Adding Entries

[Paul J Stevens]

Does ou=Enki Users,dc=enki,dc=local actually exist already?

If it doesn't you need to create it first before trying to add objects
to it.


On 23-07-14 19:05, G Z wrote:
> I'm trying to add entries via a form post in django, I have the
> following code and its really not django specific but it is python-ldap
> specific.
> 
> 
> I'm trying to add entries with python ldap. I'm getting a naming
> convention error. My code is
> 
> import ldap 
> import ldap.modlist as modlist
> 
> LOGIN = "" 
> PASSWORD = '' 
> LDAP_URL = "ldap://127.0.0.1:389; 
> user='grant'
> l = ldap.initialize(LDAP_URL) 
> l.bind(LOGIN, PASSWORD) 
> dn="ou=Enki Users,dc=enki,dc=local" 
> 
> attrs = {}
> attrs['objectclass'] =
> ['top','organizationalRole','simpleSecurityObject']
> attrs['cn'] = 'test'
> attrs['userPassword'] = 'test'
> attrs['description'] = 'User object for replication using slurpd'
> 
> # Convert our dict to nice syntax for the add-function using
> modlist-module
> ldif = modlist.addModlist(attrs)
> 
> # Do the actual synchronous add-operation to the ldapserver
> l.add_s(dn,ldif)
> 
> # Its nice to the server to disconnect and free resources when done
> l.unbind_s()
> 
> The error is:
> 
> ldap.NAMING_VIOLATION: {'info': "2099: NameErr: DSID-0305109C,
> problem 2005 (NAMING_VIOLATION), data 0, best match
> of:\n\t'dc=enki,dc=local'\n", 'desc': 'Naming violation'}
> 
> 
> 
> The code that runs but doesn't insert the user into the correc
> organizational unit is the following code. However even though it runs I
> can't find the user in active directory. Please help me find whats
> wrong. I'm basically making a django webform for user management.
> 
> import ldap 
> import ldap.modlist as modlist
> 
> LOGIN = "" 
> PASSWORD = '' 
> LDAP_URL = "ldap://127.0.0.1:389; 
> user='grant'
> l = ldap.initialize(LDAP_URL) 
> l.bind(LOGIN, PASSWORD) 
> 
> dn="cn=test,ou=Enki Users,dc=enki,dc=local" 
> 
> attrs = {}
> attrs['objectclass'] =
> ['top','organizationalRole','simpleSecurityObject']
> attrs['cn'] = 'test'
> attrs['userPassword'] = 'test'
> attrs['description'] = 'User object for replication using slurpd'
> 
> # Convert our dict to nice syntax for the add-function using
> modlist-module
> ldif = modlist.addModlist(attrs)
> 
> # Do the actual synchronous add-operation to the ldapserver
> l.add_s(dn,ldif)
> 
> # Its nice to the server to disconnect and free resources when done
> l.unbind_s()
> 
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