user disappearing when saved
(Pdb) f0
(Pdb) f0.cleaned_data
{'ipc': False, 'xc': 0, 'app': 0, 'pic': 0, 'cfi_checkride': False,
'dual_r': 0, 'date': datetime.date(2009, 9, 5), 'dual_g': 0, 'total':
5.5996, 'id': None, 'sic': 0, 'night_l': 0, 'holding':
False, 'act_inst': 0, 'pilot_checkride': False, 'solo': 0,
'flight_review': False, 'sim_inst': 0, 'plane': ,
'user': , 'remarks': u'', 'tracking': False, 'day_l': 0,
'route': , 'person': u'', 'night': 0}
(Pdb) f=f0.save(commit=False)
(Pdb) f
(Pdb) f.user
*** DoesNotExist:
(Pdb)
What on earth could be causing this? According to cleaned_data, the
user field is valid. Why the heck is the flight being created not
having a valid user?
The form in question is coming from a heavily customized modelformset
where the queryset parameter is set to
Flight.objects.get_empty_query_set(), and extra parameter is set to
20. So it's essentially 20 blank fields. When I use this same
modelformset with a full queryset and extra set to 0, the formset
saves just fine.
The Flight form looks like this:
###
class FlightForm(ModelForm):
user = forms.ModelChoiceField(queryset=User.objects.all(),
widget=HiddenInput)
[...]
###
and in the view I have this:
###
if request.POST.get('submit'):
post = request.POST.copy()
for pk in range(0, profile.per_page):
if post["form-" + str(pk) + "-date"]:
post.update({"form-" + str(pk) + "-user": str
(request.user.pk)})
else:
post.update({"form-" + str(pk) + "-user": u''})
formset = NewFlightFormset(post,
queryset=Flight.objects.get_empty_query_set())
if formset.is_valid():
import pdb; pdb.set_trace()
formset.save()
###
any ideas?
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Re: django-tinymce problem on server
Hi Sonal,
On 27 aug, 14:13, Sonal Breed wrote:
> I have django-tinymce spellchecker working perfectly on my local
> machine which is Ububtu.
> But as soon as, I deploy it on a web host (CentOS), it gives me
> problems. Specifically, when I click the specllchecker button,
> following errors are logged:
>
> [...]
>
> File "/home/mygoplanner/webapps/mygostaging/mygo/tinymce/views.py",
> line 69, in spell_check
> return HttpResponse(simplejson.dumps(output),
>
> UnboundLocalError: local variable 'output' referenced before
> assignment
Looking at the code, I don't see how the spell_check function could
throw that Error. I have just one idea: can you move the last return
statement:
return HttpResponse(simplejson.dumps(output),
content_type='application/json')
into the try block, just after the assignment of the output variable:
output = {
'id': id,
'result': result,
'error': None,
}
return HttpResponse(simplejson.dumps(output),
content_type='application/json')
Regards,
Joost
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Re: unique=True and IntegrityError
On Aug 31, 9:51 pm, Karen Tracey wrote:
> However if you use a ModelForm to validate the data prior to attempting to
> save the model you get these problems reported as validation errors:
Karen,
Thanks for the thorough explanation. I really appreciate it. What I
took from it is that if I'm using a ModelForm, Django should return a
validation error for a duplicate value. However, for my scenario, I
*am* using a ModelForm. Here's a snippet:
### Model ###
class School(models.Model):
url = models.SlugField(max_length=50, unique=True)
name = models.CharField(max_length=255)
...
### Form ###
class SchoolForm(ModelForm):
class Meta:
model = School
fields = ('url', 'name')
### View ###
def new_school(request):
if request.method == 'POST':
form = SchoolForm(request.POST)
if form.is_valid():
form.save()
new_school craps out with an IntegrityError exception any time I have
a duplicate value. Any additional thoughts?
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Re: subprocess.Popen in django production - are file descriptors closed?
it ended up being an incorrect working directory. I had to give the runfcgi parameter the "workdir" parameter so that it would run from the right place. arg!. By default if you don't specify workdir it puts the working dir as "/" On Mon, Aug 31, 2009 at 7:16 AM, Bill Freeman wrote: > Are you saying that it works in the development server environment? If so, > it could be permission > issues. Have the ruby script append a time stamp to a world writable log > file to confirm that it gets > run. > > Bill > > On Fri, Aug 28, 2009 at 9:07 PM, aaron smith > wrote: >> >> Hey All, quick question. >> >> I have a small snippet of code that runs a ruby script, which I read >> the stdout when it's done. But, I'm not getting the stdout when it's >> in django production. >> >> Here's my python snippet: >> >> def generate_license(paymentForm,dsaPrivFile): >> name = paymentForm.cleaned_data['firstname'] + " " + >> paymentForm.cleaned_data['lastname'] >> product = paymentForm.cleaned_data['product_code'] >> command = "/usr/bin/ruby licensing/genlicense.rb " + "'" + >> dsaPrivFile + "'" + " " + product + " '"+name+"'" >> process = >> subprocess.Popen(command,stdout=subprocess.PIPE,shell=True) >> stdout_value = process.communicate()[0] >> print process.stdout.read() >> print stdout_value >> return stdout_value >> >> I have a couple prints in there just for testing in debug. My question >> is how to get this to behave normally in django production >> environment. I've tried a couple different things with opening tmp >> files and using that for stdout for subprocess. But no luck. Any help >> is much appreciated. >> >> Thanks >> >> > > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: unique=True and IntegrityError
On Mon, Aug 31, 2009 at 6:27 PM, aa56280 wrote:
>
> I can't find an answer to this, so I'm hoping folks here can help: why
> is it that Django catches IntegrityError for a field with unique=True
> in the Admin tool but requires you to catch it yourself in your app?
> That is, why isn't it handled like all other built-in validation
> checks that come bundled with other options like, say, max_length?
>
It is handled like other built-in validation checks. Within admin both
max_length, unique, etc. are checked/validated through use of a ModelForm
for the model. If your code uses ModelForms you will get the same
validation checks. If you don't use forms you won't (as presently there is
no model validation). Depending on the database you can get an exception
raised as easily for violating max_length as you can for violating
uniqueness. For example, given this model:
class Foo(models.Model):
name = models.CharField(max_length=2, unique=True)
and using a MySQL db with DEBUG on, attempting to create a model that
violates the max_length constraint will raise an exception:
>>> from ttt.models import Foo
>>> Foo.objects.all()
[]
>>> Foo.objects.create(name='Yeppers')
Traceback (most recent call last):
File "", line 1, in
[snip]
File "/usr/lib/python2.5/warnings.py", line 102, in warn_explicit
raise message
Warning: Data truncated for column 'name' at row 1
>>>
MySQL considers that just a warning (though there may well be a
configuration option to tell it whether to treat this is a warning or error
situation, I haven't checked) so you need to have DEBUG True for that to
raise an exception, and MySQL has saved the model anyway with the truncated
data. Sqlite won't enforce the max_length check at all, I don't believe.
Not sure off the top of my head how others behave.
If you then try to add another object that violates the unique constraint
again you get an exception if you do it directly by attempting to create the
model:
>>> Foo.objects.create(name='Ye')
Traceback (most recent call last):
File "", line 1, in
[snip]
File "/var/lib/python-support/python2.5/MySQLdb/connections.py", line 35,
in defaulterrorhandler
raise errorclass, errorvalue
IntegrityError: (1062, "Duplicate entry 'Ye' for key 2")
>>>
However if you use a ModelForm to validate the data prior to attempting to
save the model you get these problems reported as validation errors:
>>> from django import forms
>>> class FooForm(forms.ModelForm):
... class Meta:
... model = Foo
...
>>> ff = FooForm(data={'name': 'Yeppers'})
>>> ff.is_valid()
False
>>> ff.errors
{'name': [u'Ensure this value has at most 2 characters (it has 7).']}
>>> ff = FooForm(data={'name': 'Ye'})
>>> ff.is_valid()
False
>>> ff.errors
{'name': [u'Foo with this Name already exists.']}
>>>
Since admin uses ModelForms, you see form validation errors when using it
instead of exceptions.
Karen
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Accessing Child Meta Attributes from Abstract Model Class
Hi, I've got an abstract base class like this: class Base(models.Model): class Meta: abstract = True def save(self, *args, **kwargs): print dir(self.Meta) super(Base, self).save(*args, **kwargs) and a child model class inheriting from it like this: class Child(Base): class Meta: verbose_name_plural = "children" When save() is called on an instance of Child, Base.save() prints the attributes of Base.Meta instead of Child.Meta (as I may be wrongly expecting). I have tried changing Child.Meta to extend from Base.Meta with the same result. So far, the workaround seems to be to use self._meta in Base.save() instead of self.Meta, which allows me to access the attributes of Child.Meta. I've noticed that the django-mptt project (on Google Code) does this. Is this the correct way for a base class to access a child class's Meta attributes? Brett --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Renaming displayed django application name in admin
Dear all, How do we change the displayed application name in django admin? Let's say I have an application called foo, I wanted it to be displayed as bar instead of foo in the admin system. I've searched the document but failed to get the answer for this. Thank you in advance for your help. -- http://blog.scrum8.com http://twitter.com/scrum8 --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: ImportError No module named myapp.views.hometest
forgot to mention i am using django1.1
On Aug 31, 5:35 pm, weiwei wrote:
> backgroud information:
> server: fedora11
> web server : apache 2.2 + mod_wsgi2.5
>
> my project location
> '/usr/local/django/myproject'
> '/usr/local/django/myproject/myapp'
>
> in the django.wsgi i have
>
> ---
> sys.path.append('/usr/local/django')
> sys.path.append('/usr/local/django/myproject')
> -
>
> In the debug information i already saw python path '[/usr/local/
> django]'
>
> And i have everything under /usr/local/django readable an
> executable .
>
> i still got this error. Something else i need to check?
>
> Thanks for any help!
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ImportError No module named myapp.views.hometest
backgroud information:
server: fedora11
web server : apache 2.2 + mod_wsgi2.5
my project location
'/usr/local/django/myproject'
'/usr/local/django/myproject/myapp'
in the django.wsgi i have
---
sys.path.append('/usr/local/django')
sys.path.append('/usr/local/django/myproject')
-
In the debug information i already saw python path '[/usr/local/
django]'
And i have everything under /usr/local/django readable an
executable .
i still got this error. Something else i need to check?
Thanks for any help!
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SQL query with complex WHERE clause
Hi All, I don't seem to find good source to help me write a complex where condition in the django. The where condition is generic boolean clause built on top of literals. The literal are just == or != check on a single field. for example ((field1 == 2 and field2 != 5) or field3 == 6). another example ((field1 > 1 or field1 < -3) and (field2 != "comment")) or field3 == "django" I think it should be writable in the django queryset but I can't seem to formulate it in generic format. Any pointers or guidance will be great. thanks -- View this message in context: http://www.nabble.com/SQL-query-with-complex-WHERE-clause-tp25232455p25232455.html Sent from the django-users mailing list archive at Nabble.com. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Django and SSL Deployment using mod_wsgi
On Sep 1, 3:39 am, Francis wrote: > We setup a Nginx proxy in front of Apache/WSGI and got Nginx to handle > the SSL cert and simply pass on a flag to WSGI if the connection was > coming through http or https. > > Next you'll want a SSL middleware, we > use:http://www.djangosnippets.org/snippets/240/ > > Now its a matter of configuring which views you want SSL (follow > example in the middleware) You don't need a SSL middleware. Just add to your Apache configuration: SetEnvIf X-Forwarded-SSL on HTTPS=1 Apache/mod_wsgi will allow overriding of wsgi.url_scheme based on HTTPS variable. The HTTPS variable can be set to 'On' or '1'. Case ignored in comparison. Thus, you can use mod_setenvif to check for header being set and what value and then set HTTPS. Graham > On Aug 28, 11:04 pm, Vitaly Babiy wrote: > > > > > Hey guys, > > What is the best way to deploy an app that uses mod_wsgi that some parts of > > it need to be behind SSL? > > > Thanks, > > Vitaly Babiy --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
hacking django-comments timestamp input - 400 error
Hello, A user on my site recently complained to me about getting a 405 error after slavishly writing a 15 minute comment - losing all they had written! I looked into the server logs and saw a 400 followed by a 405 error, and I'm guessing it was the timestamp input: "The timestamp is used to ensure that "reply attacks" can't continue very long. Users who wait too long between requesting the form and posting a comment will have their submissions refused." http://docs.djangoproject.com/en/dev/ref/contrib/comments/#redirecting-after-the-comment-post I'll figure a way around this, but if anyone knows a cool way to adjust this or has any suggestions on how to make the experience better for users, please reply! Thanks very much, Joe --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
unique=True and IntegrityError
I can't find an answer to this, so I'm hoping folks here can help: why is it that Django catches IntegrityError for a field with unique=True in the Admin tool but requires you to catch it yourself in your app? That is, why isn't it handled like all other built-in validation checks that come bundled with other options like, say, max_length? Thanks in advance. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: ImportError: No module named transmeta in Django 1.0.3 under Fedora 11
On Tue, Sep 1, 2009 at 3:14 AM, Karen Tracey wrote: > > Yes, I see that now right in the subject. You'll need to upgrade to 1.1 if > you want to use this fixmystreet package, since it is using support added > between 1.0 and 1.1. > > Thanks Karen! Thanks a lot! Now it`s working after upgraded my django to 1.2. -- Best, Zico --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Install going well but problem with syncdb
Check that you have python-sqlite2 installed
http://oss.itsystementwicklung.de/trac/pysqlite/
On Aug 31, 6:14 pm, Franck Y wrote:
> Hello
> I had the install going pretty well but when i do
> python manage.py syncdb
>
> i got this error message
>
> python manage.py syncdb
> Traceback (most recent call last):
> File "manage.py", line 11, in ?
> execute_manager(settings)
> File "/usr/lib/python2.4/site-packages/django/core/management/
> __init__.py", line 362, in execute_manager
> utility.execute()
> File "/usr/lib/python2.4/site-packages/django/core/management/
> __init__.py", line 303, in execute
> self.fetch_command(subcommand).run_from_argv(self.argv)
> File "/usr/lib/python2.4/site-packages/django/core/management/
> base.py", line 195, in run_from_argv
> self.execute(*args, **options.__dict__)
> File "/usr/lib/python2.4/site-packages/django/core/management/
> base.py", line 221, in execute
> self.validate()
> File "/usr/lib/python2.4/site-packages/django/core/management/
> base.py", line 249, in validate
> num_errors = get_validation_errors(s, app)
> File "/usr/lib/python2.4/site-packages/django/core/management/
> validation.py", line 22, in get_validation_errors
> from django.db import models, connection
> File "/usr/lib/python2.4/site-packages/django/db/__init__.py", line
> 41, in ?
> backend = load_backend(settings.DATABASE_ENGINE)
> File "/usr/lib/python2.4/site-packages/django/db/__init__.py", line
> 17, in load_backend
> return import_module('.base', 'django.db.backends.%s' %
> backend_name)
> File "/usr/lib/python2.4/site-packages/django/utils/importlib.py",
> line 35, in import_module
> __import__(name)
> File "/usr/lib/python2.4/site-packages/django/db/backends/sqlite3/
> base.py", line 30, in ?
> raise ImproperlyConfigured, "Error loading %s: %s" % (module, exc)
> django.core.exceptions.ImproperlyConfigured: Error loading pysqlite2
> module: No module named pysqlite2
>
> Any idea ?
> I am runing Python 2.4.3, i installed django 1.1 under CentOS 5.3
>
> Franck
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Re: django & flex
Yup, I was going to reply with this as well. One draw back to this, however, is that it makes the app a little bit more complicated to test and debug, I've found, unless you concoct your own other test cases that import the pyAmf libs and test separately. Another thing you might want to think about is future expansion. If you decide to build off of your now AMF exposed API, how do other technologies interact? I kind of feel like I made a mistake going down the AMF path - I want to implement my API in other ways, but I have to rewrite it in JSON or some other destination agnostic transport protocol. I guess long story short, stick with JSON, REST, SOAP, etc... it will make future expansion easier (if you can see it going that route). -Thomas On Mon, Aug 31, 2009 at 11:32 AM, Randy Barlow wrote: > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > solar declared: > > Is there a 'common' way to build apps with django and a Adobe Flex > > frontend? > > I'm about to do just that, and I'm a bit overwhelmed by the number of > > choices that you get by multiplying > > communication layers (REST, XML-RPC, SOAP) times data formats (XML, > > JSON, etc.) times Flex microarchitectures (Cairngorm, RestfulX, etc.). > > Obviously, not all of the above combine, but nevertheless... some of > > them are probably dead ends, and I'm wondering what people on the > > list usually choose for building "rich clients" on a django backend. > > My quick reply to you about this is that we're using Flex with Django > over the AMF protocol. We're using PyAMF to accomplish the RPC > protocol, and have implemented various object managers to be used over > that protocol to set and retrieve data. The AMF protocol allows the use > of ordinary Python data types, so no need to worry about XML or JSON - > just use strings, dicts, and lists as usual! > > - -- > Randy Barlow > Software Developer > The American Research Institute > http://americanri.com > 919.228.4971 > -BEGIN PGP SIGNATURE- > Version: GnuPG v2.0.11 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iEYEARECAAYFAkqcFykACgkQw3vjPfF7QfU05gCgi9iJnXiOIWLxrE51Zjd4zdJ3 > P6oAniM4sPAXmNj0IYDzuwgPX5qt+2u+ > =fGXU > -END PGP SIGNATURE- > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Install going well but problem with syncdb
On Aug 31, 10:14 pm, Franck Y wrote: > Hello > I had the install going pretty well but when i do > python manage.py syncdb > > i got this error message > > python manage.py syncdb > Traceback (most recent call last): > File "manage.py", line 11, in ? > execute_manager(settings) ... > raise ImproperlyConfigured, "Error loading %s: %s" % (module, exc) > django.core.exceptions.ImproperlyConfigured: Error loading pysqlite2 > module: No module named pysqlite2 > > Any idea ? > I am runing Python 2.4.3, i installed django 1.1 under CentOS 5.3 > > Franck You haven't installed sqlite. -- DR. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Install going well but problem with syncdb
Hello
I had the install going pretty well but when i do
python manage.py syncdb
i got this error message
python manage.py syncdb
Traceback (most recent call last):
File "manage.py", line 11, in ?
execute_manager(settings)
File "/usr/lib/python2.4/site-packages/django/core/management/
__init__.py", line 362, in execute_manager
utility.execute()
File "/usr/lib/python2.4/site-packages/django/core/management/
__init__.py", line 303, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/lib/python2.4/site-packages/django/core/management/
base.py", line 195, in run_from_argv
self.execute(*args, **options.__dict__)
File "/usr/lib/python2.4/site-packages/django/core/management/
base.py", line 221, in execute
self.validate()
File "/usr/lib/python2.4/site-packages/django/core/management/
base.py", line 249, in validate
num_errors = get_validation_errors(s, app)
File "/usr/lib/python2.4/site-packages/django/core/management/
validation.py", line 22, in get_validation_errors
from django.db import models, connection
File "/usr/lib/python2.4/site-packages/django/db/__init__.py", line
41, in ?
backend = load_backend(settings.DATABASE_ENGINE)
File "/usr/lib/python2.4/site-packages/django/db/__init__.py", line
17, in load_backend
return import_module('.base', 'django.db.backends.%s' %
backend_name)
File "/usr/lib/python2.4/site-packages/django/utils/importlib.py",
line 35, in import_module
__import__(name)
File "/usr/lib/python2.4/site-packages/django/db/backends/sqlite3/
base.py", line 30, in ?
raise ImproperlyConfigured, "Error loading %s: %s" % (module, exc)
django.core.exceptions.ImproperlyConfigured: Error loading pysqlite2
module: No module named pysqlite2
Any idea ?
I am runing Python 2.4.3, i installed django 1.1 under CentOS 5.3
Franck
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Re: ImportError: No module named transmeta in Django 1.0.3 under Fedora 11
On Mon, Aug 31, 2009 at 4:55 PM, Zico wrote: > > > On Tue, Sep 1, 2009 at 2:48 AM, Karen Tracey wrote: > >> >> What version of Django are you using? >> > > 1.0.3 > Yes, I see that now right in the subject. You'll need to upgrade to 1.1 if you want to use this fixmystreet package, since it is using support added between 1.0 and 1.1. Karen --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: signals (post_save, pre_save) vs save()
On Mon, Aug 31, 2009 at 10:49 PM, eka wrote: > > Hi all. > > I have this question on when one is preffered over another. I mean > overriding save or using signals like post_save or pre_save. > > cheers. > The scale. signals are used for every model, save() per one --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Problems trying to use jinja2
Alright, I found this: http://code.djangoproject.com/ticket/10216 which explains the cryptic error message. The fix is to disable TEMPLATE_DEBUG. On Aug 31, 2:44 pm, Jeff wrote: > Hi, > > I seem to have run into a problem trying to use the jinja2 template > language. I've tried using Mitsuhiko's snippet (http://bitbucket.org/ > mitsuhiko/jinja2-main/src/c07588cf115f/ext/djangojinja2.py) and this > other one by Joe Vasquez (http://jobscry.net/downloads/jinja_r2r.txt) > where I had to comment out lines 60 and 61 to avoid import errors. I > tried putting one script, then the other in jinja2integration/ > __init__.py and then using: > > from oslaurier.jinja2integration import render_to_response > > at the top of my view file. When I try to load the page with the > jinja2 template I get: > - > > Traceback (most recent call last): > > File "/usr/lib/python2.6/site-packages/django/core/servers/ > basehttp.py", line 279, in run > self.result = application(self.environ, self.start_response) > > File "/usr/lib/python2.6/site-packages/django/core/servers/ > basehttp.py", line 651, in __call__ > return self.application(environ, start_response) > > File "/usr/lib/python2.6/site-packages/django/core/handlers/ > wsgi.py", line 241, in __call__ > response = self.get_response(request) > > File "/usr/lib/python2.6/site-packages/django/core/handlers/ > base.py", line 134, in get_response > return self.handle_uncaught_exception(request, resolver, exc_info) > > File "/usr/lib/python2.6/site-packages/django/core/handlers/ > base.py", line 154, in handle_uncaught_exception > return debug.technical_500_response(request, *exc_info) > > File "/usr/lib/python2.6/site-packages/django/views/debug.py", line > 40, in technical_500_response > html = reporter.get_traceback_html() > > File "/usr/lib/python2.6/site-packages/django/views/debug.py", line > 69, in get_traceback_html > for loader in template_source_loaders: > > TypeError: 'NoneType' object is not iterable > > - > > The admin interface is working so the regular Django templates are > working. Is there a preferred way to use jinja2 with Django 1.1 or can > you provide any assistance in helping me find what's causing this > error? > > Thank you in advance for any help you can provide. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Custom form validation request or user-based
On Fri, Aug 28, 2009 at 10:34 AM, Enrico
Sartorello wrote:
> Hi,
> i'm developing a Django application where i need to differentiate the
> validation of an admin-site model form between different users: some user
> must respect some particular restrictions (imposed via "clean_*" methods)
> while others should do what they want without them.
>
> The problem arises because during form validation i cannot access any
> request object (so i can't build a permission-based criteria), and checking
> everything in other places (like Model_admin.save_model() method or with
> signals) can't do the job because there i can't raise form's validation
> errors.
>
> I've searched on the net but seems i cannot find any solution for that
> problem.
>
> Any hints?
>
Simple: Pass the current user to the form:
class MyForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
self.saved_user = kwargs.pop('user')
super(MyForm, self).__init__(*args, **kwargs)
Somewhere else in the code:
form = MyForm(request.POST, user=request.user)
resp.
form = MyForm(user=request.user)
Of course that isn't the only possibility to achieve what you want,
but it's quite straightforward to do it like this.
Matthias
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Re: ImportError: No module named transmeta in Django 1.0.3 under Fedora 11
On Tue, Sep 1, 2009 at 2:48 AM, Karen Tracey wrote: > > What version of Django are you using? > 1.0.3 -- Best, Zico --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
signals (post_save, pre_save) vs save()
Hi all. I have this question on when one is preffered over another. I mean overriding save or using signals like post_save or pre_save. cheers. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: ImportError: No module named transmeta in Django 1.0.3 under Fedora 11
On Mon, Aug 31, 2009 at 4:29 PM, Zico wrote: > Now, the transmeta is gone!! and... new one just appeared!! > > ImportError at / > > cannot import name GIcon > > Request Method: GET Request URL: http://localhost:8000/ Exception Type: > ImportError Exception Value: > > cannot import name GIcon > > Exception Location: /opt/fixmystreet/mainapp/models.py in , line > 4 > By the way, according to your last email, i have just did the same. Went > into my /opt/fixmystreet/contrib/ and used the command: > * > svn checkout http://django-googleanalytics.googlecode.com/svn/trunk/ > > > *And, after that, i ran my database by:* > > python manage.py syncdb * > > It went well. And after that, run the server! Then the error came > What version of Django are you using? GIcon looks to be new in 1.1, so if you are running something older that could be the problem. Karen --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Custom form validation request or user-based
Up. On Fri, Aug 28, 2009 at 10:34 AM, Enrico Sartorello < enrico.sartore...@gmail.com> wrote: > Hi, > i'm developing a Django application where i need to differentiate the > validation of an admin-site model form between different users: some user > must respect some particular restrictions (imposed via "clean_*" methods) > while others should do what they want without them. > > The problem arises because during form validation i cannot access any > request object (so i can't build a permission-based criteria), and checking > everything in other places (like Model_admin.save_model() method or with > signals) can't do the job because there i can't raise form's validation > errors. > > I've searched on the net but seems i cannot find any solution for that > problem. > > Any hints? > > Thanks for the attention > > > -- > Enrico Sartorello > -- Enrico Sartorello --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: __getitem__ and lookups in templates
On Aug 31, 5:16 pm, Karen Tracey wrote: > Based on that code, a dictionary lookup that raises TypeError, > AttributeError, or KeyError will cause the template code to continue with > trying an attribute lookup, so it is one of those three specifically that > you will need to raise in the case where you want the dictionary lookup to > be seen as failing. Thank you Karen for pointing me to the right part of the code, and for such a clear explanation. -- Fernando --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: ImportError: No module named transmeta in Django 1.0.3 under Fedora 11
On Tue, Sep 1, 2009 at 2:03 AM, Karen Tracey wrote: > The traceback might help since it would show the import that is triggering > this. If it is "from contrib.transmeta import something" then I don't > understand why you'd still be having problems with the setup you describe > above. > > :D Now, the transmeta is gone!! and... new one just appeared!! ImportError at / cannot import name GIcon Request Method: GET Request URL: http://localhost:8000/ Exception Type: ImportError Exception Value: cannot import name GIcon Exception Location: /opt/fixmystreet/mainapp/models.py in , line 4 By the way, according to your last email, i have just did the same. Went into my /opt/fixmystreet/contrib/ and used the command: * svn checkout http://django-googleanalytics.googlecode.com/svn/trunk/ *And, after that, i ran my database by:* python manage.py syncdb * It went well. And after that, run the server! Then the error came -- Best, Zico --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Django and ZSI
2009/8/31 Julián C. Pérez : > > Anyone has experience with using web services in Django?? > I mean, not necessarily with ZSI but others methods... > Yes, we have many of the working. But this is no a Django issue is more a Python programming one. You can access to Soap web services using ZSI, SUDS, Soappy or whatever you like to use. Isolate the web service client and use the parts you need. We have worked with ZSI mainly, but actually we're moving to Suds. To act a a server we prefer to simplify and we're using xml over http or REST services. Both live perfectly with Django. -- Antoni Aloy López Blog: http://trespams.com Site: http://apsl.net --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: __getitem__ and lookups in templates
On Mon, Aug 31, 2009 at 3:48 PM, efege wrote:
>
> Hi,
>
> According to the docs,
>
> "... when the template system encounters a dot in a variable name, it
> tries the following lookups, in this order:
>
>* Dictionary lookup. Example: foo["bar"]
>* Attribute lookup. Example: foo.bar
>* Method call. Example: foo.bar()
>* List-index lookup. Example: foo[bar]
>
> The template system uses the first lookup type that works. It's short-
> circuit logic."
>
> I wonder what's the exact meaning of "works" in the last paragraph...
>
> This is my problem: my template's variables are instances of a class
> which has a special method __getitem__ defined. It also has a method
> foo. So, when I want my template to invoke the method foo of that same
> class, I wrote something like
>
>someobject.foo
>
> And guess what... dictionary lookup, i.e. __getitem__('foo'), takes
> precedence, and so the method foo is not invoked!
>
> In my case, __getitem__ only accepts as valid certain specific
> arguments, and 'foo' is not valid, so that __getitem__('foo') might
> raise an exception, or return None. But in any case, the fact is that
> Django *stops* trying the other possible lookups.
>
Your __getitem__ might raise an exception, or return None? Which does it
do?
Returning None will be seen by the template system as "working", as it is
perfectly valid for None to be a value stored in a dictionary. You will
need to make this method raise an appropriate exception to make the template
system consider the dictionary lookup to have failed. Here's where the
template code tries these different lookups in order:
http://code.djangoproject.com/browser/django/tags/releases/1.1/django/template/__init__.py#L712
Based on that code, a dictionary lookup that raises TypeError,
AttributeError, or KeyError will cause the template code to continue with
trying an attribute lookup, so it is one of those three specifically that
you will need to raise in the case where you want the dictionary lookup to
be seen as failing.
Karen
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Re: ImportError: No module named transmeta in Django 1.0.3 under Fedora 11
On Mon, Aug 31, 2009 at 2:40 PM, Zico wrote: > > Yes, I did it. Now my transmeta is in: > > /opt/fixmystreet/contrib/transmeta/__init__.py > > And, my stdimage is in: > > /opt/fixmystreet/contrib/stdimage/__init__.py > > But, nothing changed yet!!! Same error is coming: > > *No module named transmeta* > > > The traceback might help since it would show the import that is triggering this. If it is "from contrib.transmeta import something" then I don't understand why you'd still be having problems with the setup you describe above. Karen --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
__getitem__ and lookups in templates
Hi,
According to the docs,
"... when the template system encounters a dot in a variable name, it
tries the following lookups, in this order:
* Dictionary lookup. Example: foo["bar"]
* Attribute lookup. Example: foo.bar
* Method call. Example: foo.bar()
* List-index lookup. Example: foo[bar]
The template system uses the first lookup type that works. It's short-
circuit logic."
I wonder what's the exact meaning of "works" in the last paragraph...
This is my problem: my template's variables are instances of a class
which has a special method __getitem__ defined. It also has a method
foo. So, when I want my template to invoke the method foo of that same
class, I wrote something like
someobject.foo
And guess what... dictionary lookup, i.e. __getitem__('foo'), takes
precedence, and so the method foo is not invoked!
In my case, __getitem__ only accepts as valid certain specific
arguments, and 'foo' is not valid, so that __getitem__('foo') might
raise an exception, or return None. But in any case, the fact is that
Django *stops* trying the other possible lookups.
BTW, the data my app uses is not stored in a Django model. Maybe this
is part of the price I must pay for doing unusual things? :-)
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Re: Getting all unique values of a field with Django ORM
Thanks guys!
On Aug 30, 10:56 pm, Alex Gaynor wrote:
> On Sun, Aug 30, 2009 at 9:37 PM, stevedegrace wrote:
>
> > Hi guys,
>
> > I'm making a refback type linkback app for my hobby CMS. I want to
> > find all the unique page targets. I am thinking broadly of a couple of
> > ways to do it. One with the ORM sort of line this:
>
> > targets = list(set([linkback.target_url for linkback in
> > LinkBacks.objects.all()]))
>
> > This seems like way too much work being done by the framework and the
> > database for a table which could in theory get very large. The other
> > way I was thinking of doing it was like this:
>
> > from django.db import connection
> > cursor = connection.cursor()
> > cursor.execute("SELECT target_url FROM linkbacks_linkback DISTINCT")
> > targets = [item[0] for item in cursor.fetchall()]
>
> > I'm leaning towards number 2, but I wonder if there is a better way to
> > do this with the Django ORM.
>
> > Thanks for any thoughts on this,
>
> > Stephen
>
> LinkBack.objects.values_list('target_url', flat=True).distinct()
>
> should do what you want.
>
> Alex
>
> --
> "I disapprove of what you say, but I will defend to the death your
> right to say it." -- Voltaire
> "The people's good is the highest law." -- Cicero
> "Code can always be simpler than you think, but never as simple as you
> want" -- Me- Hide quoted text -
>
> - Show quoted text -
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Extending the add/change form at the admin
Hello, I want to extend the admin panel of Django where adding/ changing happens for a specific object, say Foo. I have already done alot of research and found a part discussing this at the old version djangobook. I have made an admin/myapp/foo/change_list.html at my template directory and did some experient such as adding some html and it works well. And this is where problem starts, I need to tweak the view of this admin display(no overriding the whole thing but just extending it) so that, with a small GET/POST form at the change_list.html, I want to do a specific action such as: Say I have 2 objects Foo and Bar: class Bar(models.Model): bar_text = models.TextField( ) class Foo(models.Model): name = models.TextField( ) my_bar = models.models.ForeignKey( Bar) The regular admin interface while adding a new Foo, I can pick a single my_bar foreignKey as it should be, now I want a tickbox at the end of the page "add to all" which makes the same input(name for my example) connected for all Bar objects. So after save I will have several Foo objects which are having same "name" field and each has a different Bar connection --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Problems trying to use jinja2
Hi, I seem to have run into a problem trying to use the jinja2 template language. I've tried using Mitsuhiko's snippet (http://bitbucket.org/ mitsuhiko/jinja2-main/src/c07588cf115f/ext/djangojinja2.py) and this other one by Joe Vasquez (http://jobscry.net/downloads/jinja_r2r.txt) where I had to comment out lines 60 and 61 to avoid import errors. I tried putting one script, then the other in jinja2integration/ __init__.py and then using: from oslaurier.jinja2integration import render_to_response at the top of my view file. When I try to load the page with the jinja2 template I get: - Traceback (most recent call last): File "/usr/lib/python2.6/site-packages/django/core/servers/ basehttp.py", line 279, in run self.result = application(self.environ, self.start_response) File "/usr/lib/python2.6/site-packages/django/core/servers/ basehttp.py", line 651, in __call__ return self.application(environ, start_response) File "/usr/lib/python2.6/site-packages/django/core/handlers/ wsgi.py", line 241, in __call__ response = self.get_response(request) File "/usr/lib/python2.6/site-packages/django/core/handlers/ base.py", line 134, in get_response return self.handle_uncaught_exception(request, resolver, exc_info) File "/usr/lib/python2.6/site-packages/django/core/handlers/ base.py", line 154, in handle_uncaught_exception return debug.technical_500_response(request, *exc_info) File "/usr/lib/python2.6/site-packages/django/views/debug.py", line 40, in technical_500_response html = reporter.get_traceback_html() File "/usr/lib/python2.6/site-packages/django/views/debug.py", line 69, in get_traceback_html for loader in template_source_loaders: TypeError: 'NoneType' object is not iterable - The admin interface is working so the regular Django templates are working. Is there a preferred way to use jinja2 with Django 1.1 or can you provide any assistance in helping me find what's causing this error? Thank you in advance for any help you can provide. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Django and ZSI
Anyone has experience with using web services in Django?? I mean, not necessarily with ZSI but others methods... On Aug 31, 11:56 am, Julián C. Pérez wrote: > Hi you all > I'm trying to serve a simple web service using ZSI > Anyone how can I configure an app's urls and views files to do this?? > Thanks! --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: ImportError: No module named transmeta in Django 1.0.3 under Fedora 11
On Tue, Sep 1, 2009 at 12:15 AM, Karen Tracey wrote: > On Mon, Aug 31, 2009 at 1:49 PM, Zico wrote: > >> Hi, may be you have seen my previous email regarding stdimage. The >> previous error was: >> *"ImportError: No module named stdimage" >> * >> I have solve this problem by this way: >> >> 1. I have created a "contrib" directory in my /opt/fixmystreet/ >> 2. Then, i have downloaded the stdimage with * >> * >> >> *svn checkout http:**//django-stdimage.googlecode.com/svn/trunk/ stdimage* >> >> >> >> >> >> Then, this problem went away. >> >> Did you also create an empty file __init__.py within > /opt/fixmystreet/contrib? If not I'm puzzled how the stdimage problem could > have gone away. > Yes, you are right. I have created another "contrib" in /opt/fixmystreet/ in where, i have "stdimage" folder and also "transmeta" folder! But, yet... same problem is occuring: No module named transmeta > >> >> Now, the new error occurs: *ImportError: No module named transmeta >> >> *I have also tried to do the same for transmeta, what i did for stdimage. >> >> 1. Downloaded the trnsmeta with the command: >> >> * >> **svn checkout http://django-transmeta.googlecode.com/svn/trunk/ transmeta* >> >> But, nothing changed!!! What should i do now? >> > > This transmeta project appears to have an extra level of directory under > trunk. I'm guessing you now have > /opt/fixmystreet/contrib/transmeta/transmeta/__init__.py etc., where what > you want is simply /opt/fixmystreet/contrib/transmeta/__init__.py. > Yes, I did it. Now my transmeta is in: /opt/fixmystreet/contrib/transmeta/__init__.py And, my stdimage is in: /opt/fixmystreet/contrib/stdimage/__init__.py But, nothing changed yet!!! Same error is coming: *No module named transmeta* -- Best, Zico --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: django & flex
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 solar declared: > Is there a 'common' way to build apps with django and a Adobe Flex > frontend? > I'm about to do just that, and I'm a bit overwhelmed by the number of > choices that you get by multiplying > communication layers (REST, XML-RPC, SOAP) times data formats (XML, > JSON, etc.) times Flex microarchitectures (Cairngorm, RestfulX, etc.). > Obviously, not all of the above combine, but nevertheless... some of > them are probably dead ends, and I'm wondering what people on the > list usually choose for building "rich clients" on a django backend. My quick reply to you about this is that we're using Flex with Django over the AMF protocol. We're using PyAMF to accomplish the RPC protocol, and have implemented various object managers to be used over that protocol to set and retrieve data. The AMF protocol allows the use of ordinary Python data types, so no need to worry about XML or JSON - just use strings, dicts, and lists as usual! - -- Randy Barlow Software Developer The American Research Institute http://americanri.com 919.228.4971 -BEGIN PGP SIGNATURE- Version: GnuPG v2.0.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkqcFykACgkQw3vjPfF7QfU05gCgi9iJnXiOIWLxrE51Zjd4zdJ3 P6oAniM4sPAXmNj0IYDzuwgPX5qt+2u+ =fGXU -END PGP SIGNATURE- --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: ImportError: No module named transmeta in Django 1.0.3 under Fedora 11
On Mon, Aug 31, 2009 at 1:49 PM, Zico wrote: > Hi, may be you have seen my previous email regarding stdimage. The previous > error was: > *"ImportError: No module named stdimage" > * > I have solve this problem by this way: > > 1. I have created a "contrib" directory in my /opt/fixmystreet/ > 2. Then, i have downloaded the stdimage with * > * > > *svn checkout http:**//django-stdimage.googlecode.com/svn/trunk/ stdimage* > > > > Then, this problem went away. > > Did you also create an empty file __init__.py within /opt/fixmystreet/contrib? If not I'm puzzled how the stdimage problem could have gone away. > Now, the new error occurs: *ImportError: No module named transmeta > > *I have also tried to do the same for transmeta, what i did for stdimage. > > 1. Downloaded the trnsmeta with the command: > > * > **svn checkout http://django-transmeta.googlecode.com/svn/trunk/ transmeta* > > But, nothing changed!!! What should i do now? > This transmeta project appears to have an extra level of directory under trunk. I'm guessing you now have /opt/fixmystreet/contrib/transmeta/transmeta/__init__.py etc., where what you want is simply /opt/fixmystreet/contrib/transmeta/__init__.py. You can either manually rename and move things around to fix up what you've got, or blow away the /opt/fixmystreet/contrib/transmeta tree you have and instead use this checkout command: svn checkout http://django-transmeta.googlecode.com/svn/trunk/transmetatransmeta to avoid the duplicate transmeta directories. Karen --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Table with search results and returning to previous page.
But in this case we lose pretty URLs, and keep your mind that form can be very large. On Sun, Aug 30, 2009 at 11:08:34AM -0500, Frank Wiles wrote: > Hi Viacheslav, > > All you need to do is on your edit/view links include the necessary > extra args to recreate the search they used and then in your actual > editing views use those values in the redirect upon save or cancel. > > For example, if your links are currently like /model/edit/7 change > them to be /model/edit/7?search=keyword > And then use 'search' there, along with whatever other args to your > search view you need, when redirecting to your search page. > > -- > Frank Wiles > Revolution Systems | http://www.revsys.com/ > fr...@revsys.com | (800) 647-6298 > > -- Please, use plain text message format contacting me, and don't use proprietary formats for attachments (such as DOC, XLS) use PDF, TXT, ODT, HTML instead. Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
django & flex
Is there a 'common' way to build apps with django and a Adobe Flex frontend? I'm about to do just that, and I'm a bit overwhelmed by the number of choices that you get by multiplying communication layers (REST, XML-RPC, SOAP) times data formats (XML, JSON, etc.) times Flex microarchitectures (Cairngorm, RestfulX, etc.). Obviously, not all of the above combine, but nevertheless... some of them are probably dead ends, and I'm wondering what people on the list usually choose for building "rich clients" on a django backend. TIA, best regards, Christoph --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Job - freelance Django developer needed
I'm looking for a Django developer to join us at replyforall.com on a full-time, or near full-time, contractor basis. Our current need is more slanted towards a backend web developer/ engineer who ideally is familiar with HTML/CSS and capable of front- end implementation. Our site was built on Django so familiarity with, or interest in, Django would be good. Location is pretty irrelevant as long as you have decent Internet access, chat and email. Our team includes people from New York, San Francisco, Portland and Argentina. If you're interested please send us your availability and a few words about your programming background and experience with Django. We'll also need samples/URLs of past projects, completed or still pending. replyforall's an exciting, young product that I'm looking to really ramp up in the next few mos. with some interesting initiatives. Let me know if you want to connect to discuss further. Thanks, Enmi --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: ImportError: No module named stdimage in Django 1.0.3 under Fedora 11
On Mon, Aug 31, 2009 at 1:15 PM, Zico wrote: > > > On Mon, Aug 31, 2009 at 7:43 PM, Karen Tracey wrote: > >> You seem to have been following the doc for downloading/installing >> stdimage, which says to put it somewhere in a directory included in your >> PYTHONPATH. By putting it directly in site-packages you can do imports of >> the form "from stdimage import StdImageField". >> >> What does it actually means? *"The fixmystreet project is configured to > look for these projects in a contrib directory on your python path." > > What does "python path" means actually??* > See http://docs.python.org/tutorial/modules.html#the-module-search-path for the official doc on the module search path. The "installation-dependent default path" mentioned there will usually include the site-packages directory, where you placed stdimage. The problem is that fixmystreet isn't expecting these things to be directly accessible on your python path, it's expecting them to be found under a 'contrib' package. That is, instead of using: from stdimage import StdImageField fixmystreet uses: from contrib.stdimage import StdImageField So in searching for a match to fixmystreet's way of importing this support, Python will be looking for a file /site-packages/contrib/stdimage/__init__.py, which won't be found since you've got it under /site-packages/stdimage/__init__.py. Where you have placed it is good (I'd guess) for how most code dependent on this package would use it. Most packages (that I have run across) that are dependent on other packages simply expect them to be available directly on the python path. The fixmystreet package seems to be the one that is doing things a bit oddly. I don't know what their install instructions mean when they say "You may either change this configuration" -- I haven't dug into it in any detail to see if there is really a way you can easily tell the package to import these things directly instead of "from contrib.stdimage", e.g. If there is a way (other than going and changing the imports in their code) I'd use it. If not, you'll need to make these dependencies accessible to fixmystreet under a contrib directory. Personally I'd probably put it under /opt/fixmystreet rather than site-packages, and either link to the version installed under site-packages or install another copy under /opt/fixmystreet/contrib. Karen --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Django and SSL Deployment using mod_wsgi
We setup a Nginx proxy in front of Apache/WSGI and got Nginx to handle the SSL cert and simply pass on a flag to WSGI if the connection was coming through http or https. Next you'll want a SSL middleware, we use: http://www.djangosnippets.org/snippets/240/ Now its a matter of configuring which views you want SSL (follow example in the middleware) On Aug 28, 11:04 pm, Vitaly Babiy wrote: > Hey guys, > What is the best way to deploy an app that uses mod_wsgi that some parts of > it need to be behind SSL? > > Thanks, > Vitaly Babiy --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
ImportError: No module named transmeta in Django 1.0.3 under Fedora 11
Hi, may be you have seen my previous email regarding stdimage. The previous error was: *"ImportError: No module named stdimage" * I have solve this problem by this way: 1. I have created a "contrib" directory in my /opt/fixmystreet/ 2. Then, i have downloaded the stdimage with * * *svn checkout http:**//django-stdimage.googlecode.com/svn/trunk/ stdimage* Then, this problem went away. Now, the new error occurs: *ImportError: No module named transmeta *I have also tried to do the same for transmeta, what i did for stdimage. 1. Downloaded the trnsmeta with the command: * **svn checkout http://django-transmeta.googlecode.com/svn/trunk/ transmeta* But, nothing changed!!! What should i do now? -- Best, Zico --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: template tag question
On Aug 31, 1:38 pm, Julián C. Pérez wrote:
> Hi
> I use Django 1.0 and I define a template function like...
> ---
> from django import template
> register = template.Library()
> def doSomething(param1, param2):
> # Do something like...
> return str(param1)+''+str(param2)
> register.simple_tag(doSomething)
> ---
> to use that in template system, assuming a and b are in context...
> ---
> {% doSomething a b %}
>
> ---
> Hope it helps you out
> ;)
yeah just found that after i posted this msg... thanks for your quick
response.
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Re: template tag question
Hi
I use Django 1.0 and I define a template function like...
---
from django import template
register = template.Library()
def doSomething(param1, param2):
# Do something like...
return str(param1)+''+str(param2)
register.simple_tag(doSomething)
---
to use that in template system, assuming a and b are in context...
---
{% doSomething a b %}
---
Hope it helps you out
;)
On Aug 31, 12:31 pm, Bobby Roberts wrote:
> hi group. I"ve got an issue i'm needing help with. I have two
> variables, a and b in my template and I need to pass those to a single
> template tag so I can process them and return a result to the
> template. Is there a way to pass more than one variable to a template
> tag... if so, how?
>
> thanks in advance,
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template tag question
hi group. I"ve got an issue i'm needing help with. I have two variables, a and b in my template and I need to pass those to a single template tag so I can process them and return a result to the template. Is there a way to pass more than one variable to a template tag... if so, how? thanks in advance, --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: ImportError: No module named stdimage in Django 1.0.3 under Fedora 11
On Mon, Aug 31, 2009 at 7:43 PM, Karen Tracey wrote: > You seem to have been following the doc for downloading/installing > stdimage, which says to put it somewhere in a directory included in your > PYTHONPATH. By putting it directly in site-packages you can do imports of > the form "from stdimage import StdImageField". > > What does it actually means? *"The fixmystreet project is configured to look for these projects in a contrib directory on your python path." What does "python path" means actually?? * -- Best, Zico --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Django and ZSI
Hi you all I'm trying to serve a simple web service using ZSI Anyone how can I configure an app's urls and views files to do this?? Thanks! --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Django lucene
Hi, Can anyone help with this in django with lucene? Is there anyone able to use this module sucessfully. I am getting this error when I am trying to search : Error : 'Manager' object has no attribute 'objects_search' Thanks, Puneet On Aug 25, 7:55 pm, Puneet wrote: > Hi, > > Does anyone have tried django-lucenemodule for search ?? > > I am able to compile theluceneand jcc as required but the module is > not working properly as it is expected to work. As mentioned in the > docs I have added to fields in my model > > objects = models.Manager() > objects_search = Manager() # add search manager > > But when I say ModelName.save() its not getting indexed withlucene > and when I say > > ModelName.objects.objects_search(name_first="Spike") > > I am getting error that > > AttributeError: 'Manager' object has no attribute 'objects_search' > > Can any one help me with this ?? Does anyone have a small working > example ? > > Thanks, > Puneet --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: create a link from an object - template tag or?
Hi Bill
Cool I understand that :D
And youre right, I will need template.Variable() someday soon
Thank you
Michael
On 31 Aug., 16:29, Bill Freeman wrote:
> WIth your original version here, I'm going to guess that you need to use
> template.Variable() (or learn a lot about doing what it does). It is
> mentioned
> on the how to page for template tags. IIRC, all arguments to a tag are
> strings (after all, you get them with a split operation), so they must be
> looked up. So, instead of self.object = object in LinkNode, use
> self.object = template.Variable(object)
>
> Not that you need it for this tag, since simple_tag works, but you may want
> to
> write something fancier someday.
>
> Bill
>
> On Fri, Aug 28, 2009 at 10:34 PM, MIL wrote:
>
> > Hi :o)
>
> > I am attempting to create a simpler way to create my links. and I
> > developed this template tag:
>
> > class LinkNode(Node):
> > def __init__(self, object):
> > self.object = object
>
> > def render(self, context):
> > model_name = self.object.get_model_name()
> > linktext = self.object.get_linktext()
> > url = self.object.get_absolute_url()
> > if model_name and linktext and url:
> > return '%s' % (url,
> > model_name.lower(),
> > linktext)
> > return ''
>
> > @register.tag
> > def create_a_link(parser, token):
> > # {% create_a_link to object %}
> > bits = token.contents.split()
> > if len(bits) != 3:
> > raise TemplateSyntaxError, "create_a_link tag takes exactly
> > three
> > arguments"
> > if bits[1] != 'to':
> > raise TemplateSyntaxError, "second argument to create_a_link
> > tag
> > must be 'to'"
> > return LinkNode(bits[2],)
>
> > But I get this error message:
> > TemplateSyntaxError at /
> > Caught an exception while rendering: 'unicode' object has no attribute
> > 'get_model_name'
>
> > What am I doing wrong
>
> > Is there a simpler and better way to do this job?
>
> > I would also like to develop something that can make it simpler to
> > create tables and lists, but that later on.
>
> > Thank you :o)
>
>
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Re: Problem subclassing Widget with value_from_datadict
On Monday 31 August 2009 08:08:50 am you wrote:
> On Monday 31 August 2009 07:51:52 am you wrote:
> > > Either make sure you always pass in userip when you instantiate the
> > > form, or (preferably) change the __init__ so that userip is in the
> > > kwargs dictionary, and use kwargs.pop('userip') to get its value
> > > before you hand off to super().
> > > --
> > > DR.
> >
> > Ok, changed the __init__ to look like this:
> >
> > class ReCaptchaForm(forms.Form):
> > captcha = forms.CharField(widget=ReCaptchaWidget)
> >
> > def __init__(self, *args, **kwargs):
> > super(ReCaptchaForm, self).__init__(self, *args, **kwargs)
> > if kwargs.has_key('userip'):
> > self.userip = kwargs.pop('userip')
> >
> >
> > I still get the same error.
> >
> > Mike
>
Ok, I did change it so kwargs.pop() comes _before_ the super, no change in
the error.
(sorry was 1/2 sleep when I implemented and answered it the first time)
Mike
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model validation errors
Hello, I wrote a model to manage small TeX fragments: class LaTeX(models.Model): latex = models.TextField(help_text="Un extrait de source LaTeX") macros = models.ForeignKey(Macros) For now, I override save() to compile the latex string using macros strings with LaTeX compilator, and produce a png image that I store with a name made with self.id (so I need to call super...save() before). But in case of LaTeX compilation errors, I just raise an exception that will not appear in production with DEBUG = False. I'd like to treat LaTeX compilation errors as standard validation errors to appear in error list in forms, admin... I don't know how to do this, I looked at - signals (pre-post save) : what about validation ? - write a TextField subclass and override validate to do compilation here ? But I need to access another field 'macros' and model.id ... - I found http://code.djangoproject.com/ticket/6845 with a patch to do model validation (1 year ago) that looks like what I need, but is it stable? Any hint ? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Why is a LEFT OUTER JOIN used to select records with a NULL foreign key?
On Mon, Aug 31, 2009 at 10:30 AM, wallenfe wrote: > > I'm trying to understand why a LEFT OUTER JOIN is being used in > queries that filter on a NULL foreign key. It seems that the same > result can be achieved without the LEFT OUTER JOIN. > > Here is an example: > [snip] Why is the LEFT OUTER JOIN used? Is there a different way this filter > should be structured so that the LEFT OUTER JOIN is not used? > Looks like: http://code.djangoproject.com/ticket/10790 Karen --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Problem subclassing Widget with value_from_datadict
On Monday 31 August 2009 05:48:18 am Daniel Roseman wrote:
> On Aug 31, 11:58 am, Mike Ramirez wrote:
> > On Monday 31 August 2009 02:46:27 am Daniel Roseman wrote:
> > > I think you're going to need to post your view code as well. It seems
> > > that the form is passing itself, rather than its data, to the widget,
> > > so I'd guess there's something weird about the way it's being
> > > instantiated.
> > > --
> > > DR.
> >
> > Hereyou go, nothing special.
> >
> > http://dpaste.com/87647/
> >
> > Mike
>
> OK I think the problem is that you've declared the form's __init__ to
> take an extra argument, userip. So after a POST, in line 6, you're
> correctly instantiating your form with the extra arg. However, on a
> GET, in line 26, you don't pass in any arguments at all, so the
> arguments are all shifted leftwards - what should be in data ends up
> in userip, etc.
>
> Either make sure you always pass in userip when you instantiate the
> form, or (preferably) change the __init__ so that userip is in the
> kwargs dictionary, and use kwargs.pop('userip') to get its value
> before you hand off to super().
> --
> DR.
Ok, changed the __init__ to look like this:
class ReCaptchaForm(forms.Form):
captcha = forms.CharField(widget=ReCaptchaWidget)
def __init__(self, *args, **kwargs):
super(ReCaptchaForm, self).__init__(self, *args, **kwargs)
if kwargs.has_key('userip'):
self.userip = kwargs.pop('userip')
The view didn't change much except for this:
if request.method == "POST":
userip = request.META['REMOTE_ADDR']
form = ContactForm(request.POST, userip=userip)
I still get the same error.
Mike
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ImportError: No module named stdimage in Django 1.0.3 under Fedora 11
On Mon, Aug 31, 2009 at 2:13 AM, Zico wrote:
>
>
> On Mon, Aug 31, 2009 at 7:04 AM, Karen Tracey wrote:
>
>> File "/usr/lib/python2.6/site-packages/django/core/urlresolvers.py", line
>> 214, in _resolve_special
>>>
>>>
>>>
>>>
>>>
>>>
>>> callback = getattr(self.urlconf_module, 'handler%s' % view_type)
>>>
>>> File "/usr/lib/python2.6/site-packages/django/core/urlresolvers.py", line
>>> 205, in _get_urlconf_module
>>> self._urlconf_module = __import__(self.urlconf_name, {}, {}, [''])
>>>
>>>
>>>
>>>
>>>
>>>
>>> File "/opt/fixmystreet/../fixmystreet/urls.py", line 5, in
>>> from mainapp.feeds import LatestReports, LatestReportsByCity,
>>> LatestReportsByWard, LatestUpdatesByReport
>>>
>>> File "/opt/fixmystreet/../fixmystreet/mainapp/feeds.py", line 4, in
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> from mainapp.models import Report, ReportUpdate, City, Ward
>>>
>>> File "/opt/fixmystreet/mainapp/models.py", line 16, in
>>> from contrib.stdimage import StdImageField*
>>>
>>> ImportError: No module named stdimag*
>>>
>>>
>> You don't appear to have installed the stdimage project in a contrib
>> directory on your python path as described here:
>>
>> http://wiki.github.com/visiblegovernment/django-fixmystreet/installation
>>
>> under "2. Check Out Project Dependencies".
>>
>>
> Thanks Karen for your reply. Actually, i did it. I followed this:
>
> Download using subversion to any directory included in PYTHON_PATH (for
> example /usr/lib/python2.5/site-package)
>
> svn checkout http://django-stdimage.googlecode.com/svn/trunk/ stdimage
>
>
>
> I have downloaded the "stdimage" with this svn in my
> /usr/lib/python2.5/site-package but, nothing changed I cannot
> understand what is my problem
>
>
You seem to have been following the doc for downloading/installing stdimage,
which says to put it somewhere in a directory included in your PYTHONPATH.
By putting it directly in site-packages you can do imports of the form "from
stdimage import StdImageField".
However, that isn't what fixmystreet does, and that isn't what the doc I
pointed to for installing the fixmystreet dependencies, recommended. The
fixmystreet package, for some reason, has opted to assume all of its
dependencies are installed in a 'contrib' package found somewhere on your
PYTHONPATH. I don't know why they've done this (it seems like a bad idea to
me), but their import for stdimage, from the traceback, is: from
contrib.stdimage import StdImageField. If you've placed stdimage directly
in site-packages this will not work.
Karen
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Re: template recursion
I have solve it!
The point is to use a variable not a constant for recursion's file
name. Why recursion? I've translated my model into rendering context.
And if a field is a relationship with fields, the rendering is the
same.
Here is the template:
{{contextElement.label}}:
{% if contextElement.href %}
{{contextElement.value}}
{% else %}
{{contextElement.value}}
{% endif %}
{% if contextElement.fields %}
{% comment %}
Use contextElement.field.aFieldName for individual field
rendering!
{% endcomment %}
{% if not contextRecursionForbidden %}
{% for field in contextElement.fields %}
{% with field as contextElement %}
{% comment %} Uncomment this line for stop
recursion!
{% with field as contextRecursionForbidden
%}
{% endcomment %}
{% with field.name as
contextPrefix %}
{% with
"context_element_template.html" as context_element_template %}
{% include
context_element_template %}
{% endwith %}
{% endwith %}
{% comment %} Uncomment this line for
stop recursion!
{% endwith %}
{% endcomment %}
{% endwith %}
{% endfor %}
{% endif %}
{% endif %}
{% if contextElement.queryset %}
{% for object in contextElement.queryset %}
{% comment %}
Obviously queried contexts have only value
and url.
Use queriedContext.fields for rendering
object's fields or
queriedContext.field.aFieldName for
rendering object's individual field
{% endcomment %}
{% if object.href %}
{{object.value}}
{% else %}
{{object.value}}
{% endif %}
{% endfor %}
{% endif %}
And here is the rendering code:
class ContextElement:
def __unicode__(self):
try:
return self.value
except AttributeError:
pass
return ""
def __iter__(self):
try:
return self.fields
except AttributeError:
pass
try:
return self.queryset
except AttributeError:
pass
return []
def __init__(self, *args, **kwargs):
args_help = "ContextElement(\n\
[model|(instance [, field_meta])]\n\
[, value = value]\n\
[, label = label]\n\
[, name = name]\n\
[, href = href]\n\
[, fields = fields]\n\
[, queryset = queryset]\n\
)"
for k, v in kwargs.items():
if k in ('value', 'label', 'name', 'href', 'fields',
'queryset'):
setattr(self, k, v)
else:
raise Exception(args_help)
if len(args) == 0:
return
try:
ismodel = issubclass(args[0], models.Model)
except TypeError:
ismodel = False
if ismodel:
if len(args) > 1:
raise Exception(args_help)
model = args[0]
opts = model._meta
name = opts.object_name
label = opts.verbose_name_plural
queryset = model.objects.all()._clone(klass =
ContextQuery)
else:
if not isinstance(args[0], models.Model):
raise Exception(args_help)
instance = args[0]
if len(args) > 1:
if len(args) > 2:
try:
isfield = issubclass(args[0], Field)
except TypeError:
isfield = False
if not isfield:
raise Exception(args_help)
field_meta = args[1]
field_instance = getattr(instance, field_meta.name)
name = field_meta.name
label = field_meta.verbose_name
if field_meta.rel:
value = field_instance
if isinstance(field_meta.rel,
models.ManyToOneRel):
if hasattr(field_instance,
'get_absolute_url'):
href = getattr(field_instance,
'get_absolute_url')
fields = ContextElement(fi
Re: Changing the Date Format
I'm using it in model.model,DateField() date that forms from this i
need to change.
On Aug 31, 6:56 pm, PANCHICORE wrote:
> Hi v. I guess you want to give a format in the template, date tag,
> formats a date according to the given format as you can see here
> (http://docs.djangoproject.com/en/dev/ref/templates/builtins/#date).
>
> ex:
>
> {{ date_value|date:"d-M-Y" }}
> return:
> '31-Aug-2009'.
>
> On Aug 31, 3:45 pm, vishak wrote:
>
> > Hi All
>
> > I'm trying to change the default date format of django. The present
> > format is '2009-08-31'. I want to display this format as '31-
> > Aug-2009'.
>
> > I tried putting date_time format in settings.py but no result. Even
> > tried to do with java script but all went in vain. Can the group give
> > me an idea on this. Is it possible in django.
>
> > This link has the information but i don't know how to use
> > it.http://docs.djangoproject.com/en/dev/ref/settings/#date-format.
>
> > Hoping for Reply
> > Vishak.V
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Re: DjangoCon '09 Schedule
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Why is a LEFT OUTER JOIN used to select records with a NULL foreign key?
I'm trying to understand why a LEFT OUTER JOIN is being used in
queries that filter on a NULL foreign key. It seems that the same
result can be achieved without the LEFT OUTER JOIN.
Here is an example:
> cat models.py
from django.db import models
from django.contrib.auth.models import User
# Create your models here.
class Widget(models.Model):
owner = models.ForeignKey(User, null=True, blank=True)
python manage.py shell
>>> from widgets.models import Widget
>>> from django.db import connection
>>> Widget.objects.filter(owner=None)
>>> connection.queries
[{'time': '0.001', 'sql': u'SELECT `widgets_widget`.`id`,
`widgets_widget`.`owner_id` FROM `widgets_widget` LEFT OUTER JOIN
`auth_user` ON (`widgets_widget`.`owner_id` = `auth_user`.`id`) WHERE
`auth_user`.`id` IS NULL LIMIT 21'}]
It seems that this could be accomplished with a simpler query that
does not use a join:
SELECT `widgets_widget`.`id`, `widgets_widget`.`owner_id` FROM
`widgets_widget` WHERE `owner_id` IS NULL LIMIT 21'}
This becomes a bigger issue when the filter is combined with an update
command as the join forces the update to be split into two SQL
commands. This opens the door to race conditions.
>>> from django.contrib.auth.models import
>>> u = User.objects.get(pk=1)
>>> connection.queries = []
>>> Widget.objects.filter(owner=None).update(owner=u)
1L
>>> connection.queries
[{'time': '0.006', 'sql': u'SELECT U0.`id` FROM `widgets_widget` U0
LEFT OUTER JOIN `auth_user` U1 ON (U0.`owner_id` = U1.`id`) WHERE
U1.`id` IS NULL'}, {'time': '0.002', 'sql': u'UPDATE `widgets_widget`
SET `owner_id` = 1 WHERE `widgets_widget`.`id` IN (1)'}]
>>>
The behavior is the also the same with owner__isnull=True.
Why is the LEFT OUTER JOIN used? Is there a different way this filter
should be structured so that the LEFT OUTER JOIN is not used?
Thanks,
Brian
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Re: create a link from an object - template tag or?
WIth your original version here, I'm going to guess that you need to use
template.Variable() (or learn a lot about doing what it does). It is
mentioned
on the how to page for template tags. IIRC, all arguments to a tag are
strings (after all, you get them with a split operation), so they must be
looked up. So, instead of self.object = object in LinkNode, use
self.object = template.Variable(object)
Not that you need it for this tag, since simple_tag works, but you may want
to
write something fancier someday.
Bill
On Fri, Aug 28, 2009 at 10:34 PM, MIL wrote:
>
> Hi :o)
>
> I am attempting to create a simpler way to create my links. and I
> developed this template tag:
>
>
> class LinkNode(Node):
>def __init__(self, object):
>self.object = object
>
>def render(self, context):
>model_name = self.object.get_model_name()
>linktext = self.object.get_linktext()
>url = self.object.get_absolute_url()
>if model_name and linktext and url:
>return '%s' % (url,
> model_name.lower(),
> linktext)
>return ''
>
> @register.tag
> def create_a_link(parser, token):
># {% create_a_link to object %}
>bits = token.contents.split()
>if len(bits) != 3:
>raise TemplateSyntaxError, "create_a_link tag takes exactly
> three
> arguments"
>if bits[1] != 'to':
>raise TemplateSyntaxError, "second argument to create_a_link
> tag
> must be 'to'"
>return LinkNode(bits[2],)
>
>
> But I get this error message:
> TemplateSyntaxError at /
> Caught an exception while rendering: 'unicode' object has no attribute
> 'get_model_name'
>
> What am I doing wrong
>
> Is there a simpler and better way to do this job?
>
> I would also like to develop something that can make it simpler to
> create tables and lists, but that later on.
>
> Thank you :o)
>
> >
>
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Re: subprocess.Popen in django production - are file descriptors closed?
Are you saying that it works in the development server environment? If so, it could be permission issues. Have the ruby script append a time stamp to a world writable log file to confirm that it gets run. Bill On Fri, Aug 28, 2009 at 9:07 PM, aaron smith < beingthexemplaryli...@gmail.com> wrote: > > Hey All, quick question. > > I have a small snippet of code that runs a ruby script, which I read > the stdout when it's done. But, I'm not getting the stdout when it's > in django production. > > Here's my python snippet: > > def generate_license(paymentForm,dsaPrivFile): >name = paymentForm.cleaned_data['firstname'] + " " + > paymentForm.cleaned_data['lastname'] >product = paymentForm.cleaned_data['product_code'] >command = "/usr/bin/ruby licensing/genlicense.rb " + "'" + > dsaPrivFile + "'" + " " + product + " '"+name+"'" >process = > subprocess.Popen(command,stdout=subprocess.PIPE,shell=True) >stdout_value = process.communicate()[0] >print process.stdout.read() >print stdout_value >return stdout_value > > I have a couple prints in there just for testing in debug. My question > is how to get this to behave normally in django production > environment. I've tried a couple different things with opening tmp > files and using that for stdout for subprocess. But no luck. Any help > is much appreciated. > > Thanks > > > > --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Is ‘if element in a List’ possible with in Django templates?
On Mon, Aug 31, 2009 at 9:26 AM, Lokesh wrote:
>
> Hi,
>
> I am trying to check the check boxes while serve of a page.
>
> I will be passing the elements/indexes of an element(checkbox) as a
> list from FORM.
>
> Here is the sample code that I am trying to implement
>
> sampleForm():
> check = [1,3,5]
> hobbies_list = {'1':'Chess', '2':'Cricket', '3':'Tennis',
> '4':'Shuttle', '5':'BasketBall'}
> return render_to_response(template.html, {'hoby_list': hobbies_list,
> 'check_list':check})
>
> template.html
> {% for hbyId, hbyVal in hoby_list.items %}
> {% if hbyId in check_list %} ### - Here I would like
> to check the existence of an element
http://code.djangoproject.com/ticket/8087
requests this. I believe the latest patch supports the syntax you are
trying to use here. The ticket is in design decision needed, so it's
unknown whether it will be accepted/implemented It rather moves towards more
programming in templates, which is generally not Django's template
philosophy.
Karen
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Re: template recursion
On Mon, Aug 31, 2009 at 9:03 AM, gentlestone wrote:
>
> is recursion allowed in templates?
>
> for example can the "xy_template.html" file contain {% include
> "xy_template.html" %}?
>
It's "allowed" in the sense that it's not caught as an error. But it will
lead to infinite recursion...
>
> because I tried but the system crushed:
>
...which is what you are seeing here. For some reason it often seems that
instead of reporting maximum recursion depth exceeded, Python on Macs crash.
So no, it's not something you actually want to do. What is the real problem
you are trying to solve by including a template inside itself?
Karen
>
> Process: Python [97385]
> Path:/System/Library/Frameworks/Python.framework/Versions/
> 2.5/Resources/Python.app/Contents/MacOS/Python
> Identifier: Python
> Version: ??? (???)
> Code Type: X86 (Native)
> Parent Process: Python [97384]
>
> Interval Since Last Report: 3912 sec
> Crashes Since Last Report: 12
> Per-App Interval Since Last Report: 0 sec
> Per-App Crashes Since Last Report: 12
>
> Date/Time: 2009-08-31 15:02:00.210 +0200
> OS Version: Mac OS X 10.5.7 (9J61)
> Report Version: 6
> Anonymous UUID: BD3D5563-F1EA-4DC8-9293-5BCBADDFA1DE
>
> Exception Type: EXC_BAD_ACCESS (SIGBUS)
> Exception Codes: KERN_PROTECTION_FAILURE at 0xbfec
> Crashed Thread: 1
>
> >
>
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Re: Changing the Date Format
Hi v. I guess you want to give a format in the template, date tag,
formats a date according to the given format as you can see here
(http://docs.djangoproject.com/en/dev/ref/templates/builtins/#date).
ex:
{{ date_value|date:"d-M-Y" }}
return:
'31-Aug-2009'.
On Aug 31, 3:45 pm, vishak wrote:
> Hi All
>
> I'm trying to change the default date format of django. The present
> format is '2009-08-31'. I want to display this format as '31-
> Aug-2009'.
>
> I tried putting date_time format in settings.py but no result. Even
> tried to do with java script but all went in vain. Can the group give
> me an idea on this. Is it possible in django.
>
> This link has the information but i don't know how to use
> it.http://docs.djangoproject.com/en/dev/ref/settings/#date-format.
>
> Hoping for Reply
> Vishak.V
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Changing the Date Format
Hi All I'm trying to change the default date format of django. The present format is '2009-08-31'. I want to display this format as '31- Aug-2009'. I tried putting date_time format in settings.py but no result. Even tried to do with java script but all went in vain. Can the group give me an idea on this. Is it possible in django. This link has the information but i don't know how to use it. http://docs.djangoproject.com/en/dev/ref/settings/#date-format. Hoping for Reply Vishak.V --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: '%d-%m-%Y' format for DateTimefield in django
Check out this thread, where Karen Throughly explained date formats and widgets to me: http://groups.google.com/group/django-users/browse_thread/thread/7488aa81bfa94cac/ Alan. On Aug 28, 4:10 pm, Karen Tracey wrote: > On Aug 28, 3:19 am, Jigar wrote: > > > Hi All, > > > I am trying to add the '%d-%m-%Y' format in DateTimefield. As django > > does not support this format so when I add different date formats, it > > gives "invalid date/time" error in django console.This error occurs > > because the form is not valid(form.is_valid()) as above mentioned date > > format is not supported by django. > > It is not correct to say that Django does not support that format. > That format is not one that is accepted by default as an input format > for the DateTimeField form field. However, you can easily specify > your own input_formats and then your form will accept that format: > > http://docs.djangoproject.com/en/dev/ref/forms/fields/#datetimefield > > > Also, I want to store this date in > > the mysql database. > > It does not make sense to say you want to store that format in MySQL. > The value stored in MySQL is a DATETIME, independent of any particular > format. Since you are using Django you do not need to be concerned > with what format is used when Django stores the data to MySQL or > retrieves it from MySQL. What you need to adjust is the input formats > your field accepts, and the output format used by your form field's > widget to display existing data (see the format parameter here, for > example:http://docs.djangoproject.com/en/dev/ref/forms/widgets/#django.forms) > > Karen --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Is ‘if element in a List’ possible with in Django templates?
Hi,
I am trying to check the check boxes while serve of a page.
I will be passing the elements/indexes of an element(checkbox) as a
list from FORM.
Here is the sample code that I am trying to implement
sampleForm():
check = [1,3,5]
hobbies_list = {'1':'Chess', '2':'Cricket', '3':'Tennis',
'4':'Shuttle', '5':'BasketBall'}
return render_to_response(template.html, {'hoby_list': hobbies_list,
'check_list':check})
template.html
{% for hbyId, hbyVal in hoby_list.items %}
{% if hbyId in check_list %} ### - Here I would like
to check the existence of an element
{{ hbyVal }}
{% else %}
{{ hbyVal }}
{% endif %}
{% endfor %}
Thanks for your time.
Regards,
Lokesh
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Re: Defining subsets of "list" variable at template level
First, if you aren't running into db performance problems, I wouldn't
optimize. Keep everything as simple as possible, then optimize the
parts that actually demonstrate themselves to be a performance issue.
If this really is a performance issue, you could solve it like this:
If you know that you need the whole list why not do this logic in the
view? This should only make one db query.
mylist = list(MyModel.objects.filter(type="A")|MyModel.objects.filter
(type="B"))
mylist_type_a = [ x for x in mylist if x.type == "A" ]
mylist_type_b = [ x for x in mylist if x.type == "B" ]
Then pass both mylist_type_* variables in your context.
On Aug 7, 1:35 am, bweiss wrote:
> Is there a simple way to do the following that I'm just not seeing, or
> am I looking at trying to write a custom tag? The functionality I
> need is similar to {% regroup %} but not quite the same...
>
> My app currently has a custom admin view in which I've defined a whole
> bunch of different lists, which are all objects of the same model,
> filtered according to different options of a field called "Type".
> (eg. type_A_list = mymodel.objects.filter(Type="A"); type_B_list =
> mymodel.objects.filter(Type="B"); etc.)
>
> I've realised that the number of database hits this involves is
> inefficient, and it would be cleaner to have a single list of objects
> and try to perform the logic I need at the template level.
>
> What I'd like to be able to do is, for a single variable,
> "object_list", define subsets of this list containing objects that
> meet a certain condition. So, to filter by the field "Type", I could
> define lists called "type_A_list", "type_B_list", etc, that could be
> iterated through in the same way as the original list.
>
> The reason I need to do this is to be able to use the {% if
> type_A_list %} tag in order to flag when there are NO objects of a
> given type. This is why (as far as I can see) the {% regroup %} tag
> won't quite work, as it only lists the groups that actually have
> members.
>
> Output would look something like:
>
> Type 1:
> Object 1, Object 5, Object 6
>
> Type 2:
> There are no objects of Type 2
>
> Type 3:
> Object 2, Object 4
>
> Does anyone have any suggestions?
>
> Thanks,
> Bianca
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template recursion
is recursion allowed in templates?
for example can the "xy_template.html" file contain {% include
"xy_template.html" %}?
because I tried but the system crushed:
Process: Python [97385]
Path:/System/Library/Frameworks/Python.framework/Versions/
2.5/Resources/Python.app/Contents/MacOS/Python
Identifier: Python
Version: ??? (???)
Code Type: X86 (Native)
Parent Process: Python [97384]
Interval Since Last Report: 3912 sec
Crashes Since Last Report: 12
Per-App Interval Since Last Report: 0 sec
Per-App Crashes Since Last Report: 12
Date/Time: 2009-08-31 15:02:00.210 +0200
OS Version: Mac OS X 10.5.7 (9J61)
Report Version: 6
Anonymous UUID: BD3D5563-F1EA-4DC8-9293-5BCBADDFA1DE
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0xbfec
Crashed Thread: 1
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Re: Problem subclassing Widget with value_from_datadict
On Aug 31, 11:58 am, Mike Ramirez wrote:
> On Monday 31 August 2009 02:46:27 am Daniel Roseman wrote:
>
> > I think you're going to need to post your view code as well. It seems
> > that the form is passing itself, rather than its data, to the widget,
> > so I'd guess there's something weird about the way it's being
> > instantiated.
> > --
> > DR.
>
> Hereyou go, nothing special.
>
> http://dpaste.com/87647/
>
> Mike
OK I think the problem is that you've declared the form's __init__ to
take an extra argument, userip. So after a POST, in line 6, you're
correctly instantiating your form with the extra arg. However, on a
GET, in line 26, you don't pass in any arguments at all, so the
arguments are all shifted leftwards - what should be in data ends up
in userip, etc.
Either make sure you always pass in userip when you instantiate the
form, or (preferably) change the __init__ so that userip is in the
kwargs dictionary, and use kwargs.pop('userip') to get its value
before you hand off to super().
--
DR.
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Re: How do you remove fields from a subclassed form?
On Mon, Aug 31, 2009 at 12:13 AM, buttman wrote:
>
> class MyForm(ModelForm):
> field1 = CustomField(custom_option="sdsdsd")
> field2 = CustomField(custom_option="sdsdsd")
> field3 = CustomField(custom_option="sdsdsd")
> #
>
> class Meta:
> model = MyModel
> exclude = ('some_field')
>
> class AnotherForm(MyForm):
> field1 = CustomFIeld(custom_option="different")
>
> class Meta:
> model = MyModel
> exclude = ('some_field', 'field2')
>
> For some reason, I can't get field2 removed from the subclassed form.
> If I subclass AnotherForm from ModelForm, field2 will be removed, but
> then I lose all my customizations from MyForm...
> >
>
The answer is you don't. You change the inheritance scheme. A
fundamental idea of inheritance is that you do not remove
functionality in subclasses.
Alex
--
"I disapprove of what you say, but I will defend to the death your
right to say it." -- Voltaire
"The people's good is the highest law." -- Cicero
"Code can always be simpler than you think, but never as simple as you
want" -- Me
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Re: Database connection closed after each request?
On Aug 31, 8:47 pm, Mike wrote:
> Hi,
>
> I also would like to note that this code is not threadsafe - you can't
> use it with python threads because of unexpectable results, in case of
> mod_wsgi please use prefork daemon mode with threads=1
Provided you set WSGIApplicationGroup to %{GLOBAL} in mod_wsgi 2.X, or
instead use newer mod_wsgi 3.0, you could always use thread locals.
That way each thread would have its own connection.
You need to ensure main interpreter is used in mod_wsgi 2.X, as thread
locals weren't preserved beyond lifetime of request in sub
interpreters. This issue has been addressed in mod_wsgi 3.0.
Graham
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Localized timesince template tag?
I seem to remember being able to have template tags and filters localized in Django, but I can't find any information on this back. Did I misremember, or have my search skill deteriorated? I'm particularly looking for a Dutch localization of the timesince template tag.. Many thanks in advance, Mathieu --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Problem subclassing Widget with value_from_datadict
On Monday 31 August 2009 02:46:27 am Daniel Roseman wrote: > I think you're going to need to post your view code as well. It seems > that the form is passing itself, rather than its data, to the widget, > so I'd guess there's something weird about the way it's being > instantiated. > -- > DR. Hereyou go, nothing special. http://dpaste.com/87647/ Mike -- I see the eigenvalue in thine eye, I hear the tender tensor in thy sigh. Bernoulli would have been content to die Had he but known such _a-squared cos 2(phi)! -- Stanislaw Lem, "Cyberiad" signature.asc Description: This is a digitally signed message part.
Re: Database connection closed after each request?
Hi, I also would like to note that this code is not threadsafe - you can't use it with python threads because of unexpectable results, in case of mod_wsgi please use prefork daemon mode with threads=1 --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Blocks tags inside inclusion template tags are ignored
On Aug 31, 4:56 am, ips006 wrote:
> Is it possible to have block tags inside inclusion template tags
> overwrite the block tags in parent templates?
>
> I have a chunk of html generated by an inclusion tag, and I would like
> to assign a CSS file with it. I would like to be able to append to an
> extracss block in base.html (which has links to all css files).
> Currently I cannot do this inside inclusion tags as the {% block %}
> tags are simply ignored.
Well, no, you can't do that. An inclusion tag just renders a template
and includes it, it's not part of the inheritance chain (how could
that work if you had multiple tags?)
You might be able to do something by writing a custom tag that sets
variables in the context, as described in the documentation, rather
than using the inclusion_tag shortcut.
--
DR.
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Re: Problem subclassing Widget with value_from_datadict
On Aug 30, 8:59 pm, Mike Ramirez wrote: > hey, > I'm trying to write a recaptcha widget using the recaptcha client, the > problem I'm having is that redefining value_from_datadict I get this > error: 'ContactForm' object has no attribute named 'get'. This happens on > the initial loading of the from. > > here is the traceback: > > http://dpaste.com/87440/ > > I'm not sure what I'm doing wrong here is the relevant code: > > http://dpaste.com/87441/ > > Mike I think you're going to need to post your view code as well. It seems that the form is passing itself, rather than its data, to the widget, so I'd guess there's something weird about the way it's being instantiated. -- DR. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
FormWizard: how to pass in extra keyword arguments into a form's __init__?
One of the forms I'm using in a FormWizard takes an aditional keyword argument in its __init__, e.g.: = def __init__(self, arg1=None, *args, **kwargs): pass = I'm at a loss how to make FormWizard construct my form while passing in the extra keyword argument (arg1). Any ideas? Thanks, --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
Re: Django POST data errors
On Mon, Aug 31, 2009 at 3:12 AM, Greg wrote: > > Hi all, > > I have a large-ish form (40-odd fields) on a pretty busy site, and I'm > constantly getting "ManagementForm data is missing or has been > tampered with" or "IOError: request data read error" errors. I can't > reproduce it, and it always seems to be IE users (sigh) > > Does anyone have any ideas on what might be causing this? The form has > one image upload field, otherwise it's just select boxes and text > inputs. > > Thanks in advance, > I'm seeing this too, in a satchmo store administration interface. I've no idea what causes this either except that it seems related to Internet Explorer in some way (as you noticed too). I'd be interested in a way to debug this too, or gather hopefully helpful information about what's causing this. Matthias -- FeinCMS Django CMS building toolkit: http://spinlock.ch/pub/feincms/ --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~--~~~~--~~--~--~---
