Re: installation invisible

2013-10-07 Thread Diogene Laerce



pip is a python program, it will install python packages in to the
site installation directory of the python it is run with.

Therefore, if it is not installing packages where you want, make sure
you are running pip with the python that you want to use the package
with.
   


It's actually what I did but I did act dumb following the django website
instructions at the letter : I put 'sudo' before "pip install..".

So everything is in place now as pythonbrew is in my home.. ^^

Thanks a lot.

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“Le vrai n'est pas plus sûr que le probable.”

  Diogene Laerce

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django model(s) silently fails to sync to the DB ( for no apparent reason )

2013-10-07 Thread Doug S
I don't think I'm making a rookie mistake, I've looked over my code several 
times.
I've got two pretty simple django models that are just failing to sync to 
the db
during the syncdb there are no errors, even with --verbosity 3
When I try to make a relation to them I get an error saying the models 
either don't exist or a re abstract
In fact when I examine the DB, they are not there.
syncdb is attempting to sync models before and after these 2 models in the 
same file.
I've dropped my DB and started from scratch several times
I don't know how to debug this issue because I don't know how syncdb works 
under the covers and what can go wrong.
Here are my models, they look pretty simple to me:

class DirEnumVal(models.Model):

str_val = models.CharField(max_length=64, default='')

def unicode(self):

return self.str_val

class DirAttr(models.Model):



BOOL = 'BOOL'

MONO = 'MONO'

SCAL = 'SCAL'

ENUM = 'ENUM'



TYPES = (

(BOOL,'Boolean'),

(MONO,'Monomial'),

(SCAL,'Scalar'),

(ENUM,'Enumeration'),

)



val_type = models.CharField(max_length=4, choices=TYPES)

val_key = models.CharField(max_length=32)

default_bool = models.BooleanField(default=True)

default_num = models.IntegerField(default = 0)

default_float = models.FloatField(default=1.0)

enum_choices = models.ManyToManyField(DirEnumVal, null=True, blank=True)

default_choice = models.CharField(max_length=64, default='')

required = models.BooleanField(default=True)



def unicode(self):

return '{k} :=> {t} ( default = {d} )'.format(

k=self.val_key, t=self.val_type, d=self.default())

I am using a pattern with multiple model files for a single app

my dir structure is:

>app

 > models

- __init__.py 

- model_file1.py

- model_file2.py

and in my __init__.py I've got code to pull all the models together into 
one module:  app.models

  from __future__ import absolute_import

  from .model_file1 import model1a,model1b,model1c

  from .model_file2 import model2a,model2b,model2c

This way of importing the models has been working long before this trouble 
of models not being synched came up.

When I access the django project and settings through a python shell I can 
import the models and instatiate them

but when I save them, PostGres gives me this error:

DatabaseError: current transaction is aborted, commands ignored until end of 
transaction block


This problem surfaced after I installed django-categories and set up some 
category models.

I had some trouble at first setting that up but I've got the BaseCategory 
subclasses behaving nicely now

and have started with a fresh DB.

At some point when I was getting django categories to work there was an error 
when I synched the DB

that said something about an unexcepted special character being somewhere in my 
code or the django-categories code.

That seemed suspicious but that doesn't show up anymore and I'm using a fresh 
DB.


Does anybody see anything obvious or know what type of problems can cause 
syncdb to ignore models?

I'm running out of ideas about what is wrong

I'm on Django 1.5 using PostGreSQL & MacOS Lion

Best Doug

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Access the AdminSite object by its name

2013-10-07 Thread Germán Larraín
Hi.

When using multiple admin sites, it's necessary to give them (except the 
default one) a name to be able to reverse URL names correctly. The default 
admin site's name is 'admin'.
https://docs.djangoproject.com/en/1.5/ref/contrib/admin/#multiple-admin-sites-in-the-same-urlconf

Is it possible to get the admin site object (instance 
of django.contrib.admin.AdminSite) by it's name?

I have some ideas to do this, but all of them are too ugly and convoluted.

Thanks

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Re: uptodate Account_balance

2013-10-07 Thread Ovnicraft
Hi Maurice, its very hard understood this but i give a try.

if your are working in finance-world you will need update de balance, so it
implies fields 'depends' from others transactions, you named
deposits/withdraws.

You can use aggregations[1] or update field 'manually'.

Regards,

[1] https://docs.djangoproject.com/en/1.6/topics/db/aggregation/




On Thu, Oct 3, 2013 at 2:09 AM, MAurice  wrote:

> Hello everyone was requesting for help on this micro-finance software am
> developing, needed to make the account balance reflect updated
> amount/value on the database when deposits/withdraws are made on either the
> account or loan repayment
>
> *class Branch(models.Model):*
> time_stamp =models.DateTimeField(default=datetime.datetime.now(),
> editable=False)
> name =models.CharField(max_length=200)
> physical_location=models.CharField(max_length=200)
> email=models.EmailField()
>
> *class Account(models.Model):*
> account_type=models.CharField(max_length=200, choices=ACCTYPE)
> branch=models.ForeignKey('Branch')
> first_name=models.CharField(max_length=200)
> last_name   =models.CharField(max_length=200)
> account_number =models.SlugField(unique=True)
> account_current_balance =models.FloatField(max_length=255,default=0)
> *
> class Account_holder(models.Model):*
> id =models.IntegerField(primary_key=True,default=1)
> account_id =models.ManyToManyField(Account)
>
>
> *
>
> class Loan(models.Model):*
> id = models.AutoField(primary_key=True,default=1)
> branch_cod=models.IntegerField(blank=True, null=True)
> time_years=models.DecimalField(default=1.0, max_digits=10,
> decimal_places=4)
> loan_number =models.SlugField(unique=True)
> account_name=models.ForeignKey(Account)
> loan_amount=models.DecimalField(default=0.0, max_digits=10,
> decimal_places=2)
> interest_rate=models.DecimalField(default=0.0, max_digits=10,
> decimal_places=2)
> interest_charged = models.DecimalField(default=0.0, max_digits=10,
> decimal_places=2, editable=False)
> required_payement = models.DecimalField(default=1.0, max_digits=10,
> decimal_places=2)
> *
> class statement(models.Model):*
> account_id =models.ForeignKey(Account)
>  date = models.DateTimeField(default=datetime.datetime.now(),
> editable=False)
>  deposit = models.PositiveIntegerField(null=True, default=0)
>  withdraw = models.PositiveIntegerField(null=True, default=0)
>  description =models.TextField(max_length=200)
>  current_balance = models.FloatField(max_length=200, editable=False)
>
> def save(self, *args, **kwargs):
>  self.current_balance =  self.account_id.average_balance +
> self.credit - self.debit
>  self.average_balance = self.account_id.average_balance +
> self.credit - self.debit -self.minimum_balance
>  super(statement,self).save(*args, **kwargs)
> *
>  class Savant_user(models.Model):*
>   user =models.OneToOneField(User)
>   branch =models.ManyToManyField('Branch')
>
>
>
>   def create_Dashboard_user_callback(sender, instance, **kwargs):
>   Dashboard, new = Savant_user.objects.get_or_create(user=instance)
>   post_save.connect(create_Dashboard_user_callback, User)
>
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@ovnicraft

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Re: uptodate Account_balance

2013-10-07 Thread Daniel Roseman
On Monday, 7 October 2013 18:07:49 UTC+1, MAurice wrote:

> needed to no how to have a uniform account_balance figure(after 
> withdraw or deposit) 
>
> On 10/7/13, Maurice J Elagu > wrote: 
> > The signals are doin the notifications but not updating 
>
>
Please learn how to ask a question properly, and take some time to think 
about how you're asking it. Given just the information in the last two 
posts of yours, there is no way that anyone can help you at all. Please 
provide details of what you're experiencing, show some code and any errors, 
and explain how things are supposed to work.
--
DR.

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Re: PyCons in Africa

2013-10-07 Thread Vernon D. Cole
It would be wonderful if this could be done.  My question is: can it be 
done?

The most populous nation in Africa (and therefore, we must presume, the one 
with the most Python programmers) is Nigeria.  Getting an entrance visa 
here -- even a tourist visa -- is a challenging thing.  It's not required 
for citizens of nearby nations, but really a pain for Europeans or 
Americans.
Airline tickets are expensive, even on European wages. Most locals could 
not afford a ticket. One wonders whether their employers can.  If a 
suitable venue can be found in a more visitor-friendly nation, can enough 
attendees get there to be worthwhile?

I am not saying "don't try" but there are some hurdles to overcome.  I have 
joined the mailing list and will help out if I can.
--
Vernon Cole
eHealth Africa .org

On Friday, October 4, 2013 5:13:44 PM UTC+1, Daniele Procida wrote:
>
> First of all, apologies if you have to read this more than once because of 
> the cross-posting. 
>
> I've had an idea brewing recently. 
>
> I went to meet Professor Judith Hall this afternoon to talk about it. 
> She's involved with http://medicine.cardiff.ac.uk/mothers-africa/(amongst 
> other things) and is working on a Cardiff University project which 
> itself is part of 
> http://wales.gov.uk/topics/health/improvement/index/grants/?lang=en 
>
> Following that meeting, I bashed out: 
> https://github.com/evildmp/pycons-in-africa/ - please take a look, and 
> even better, let me know what you think, or make your own contribution to 
> the document. I'll continue working on it myself. 
>
> Thanks, 
>
> Daniele 
>
>

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Re: uptodate Account_balance

2013-10-07 Thread Maurice J Elagu
needed to no how to have a uniform account_balance figure(after
withdraw or deposit)

On 10/7/13, Maurice J Elagu  wrote:
> The signals are doin the notifications but not updating
>
>
> On 10/3/13, C. Kirby  wrote:
>> Use signals:
>>  https://docs.djangoproject.com/en/dev/topics/signals/
>>
>> post_save check the amount deposited or withdrawn and update the balance
>>
>> On Thursday, October 3, 2013 9:42:48 AM UTC-5, MAurice wrote:
>>>
>>> Am creating this project in that a client has an account in a
>>> micro-finance and can also Take Loans which loan is credited onto this
>>> very
>>> account.
>>> The problem is am trying to find a way of having an Account_balance
>>> which
>>>
>>> will be changing when deposits and withdrawals are made to the account
>>> and also when loan payments are made. These are supposed to be reflected
>>> on the account statement. am having issues with this account_balance
>>> being
>>>
>>> updated
>>> Thanks
>>>
>>
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>>
>

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Re: uptodate Account_balance

2013-10-07 Thread Maurice J Elagu
The signals are doin the notifications but not updating


On 10/3/13, C. Kirby  wrote:
> Use signals:
>  https://docs.djangoproject.com/en/dev/topics/signals/
>
> post_save check the amount deposited or withdrawn and update the balance
>
> On Thursday, October 3, 2013 9:42:48 AM UTC-5, MAurice wrote:
>>
>> Am creating this project in that a client has an account in a
>> micro-finance and can also Take Loans which loan is credited onto this
>> very
>> account.
>> The problem is am trying to find a way of having an Account_balance which
>>
>> will be changing when deposits and withdrawals are made to the account
>> and also when loan payments are made. These are supposed to be reflected
>> on the account statement. am having issues with this account_balance being
>>
>> updated
>> Thanks
>>
>
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Re: django-registration: extending the user model

2013-10-07 Thread N8
If you mean that the User model doesnt have fields you may want, like 
telephone or address i.e., the best and easiest way is to use add a 
UserProfile model with a foreignkey to the User model.  Django-profiles is 
one and it's meant for use with django-registration> 
 https://bitbucket.org/ubernostrum/django-profiles



On Sunday, 6 October 2013 16:43:57 UTC+2, +Emmanuel wrote:
>
> Hi,
> I am looking for a comprehensive tutorial on how I can extend the default 
> user model using django-registration, specifically for Django 1.5 and 
> django-registration 1.0
> Thanks!
>

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ModelMultipleChoiceField ignore invalid choices?

2013-10-07 Thread Jon Dufresne
Hi,

I am using a ModelForm with a ModelMultipleChoiceField. I would like
for this field to silently ignore invalid choices instead of creating
a form error. Here is my use case:

* User A opens form select model choice 1, 2, and 3
* User B (different browser) deletes model choice 3 entirely from system
* User A submits form and receives error

I understand why this should be an error in the general case, but in
my case, I want this to silently ignore the invalid choice 3 and
continue with choice 1 and 2? Is this possible?

Thanks,
Jon

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Re: installation invisible

2013-10-07 Thread Tom Evans
pip is a python program, it will install python packages in to the
site installation directory of the python it is run with.

Therefore, if it is not installing packages where you want, make sure
you are running pip with the python that you want to use the package
with.

Cheers

Tom

On Mon, Oct 7, 2013 at 2:50 PM, Diogene Laerce  wrote:
> Hi,
>
> I installed django through pip :
>
> __
> Downloading/unpacking Django==1.5.4
> Downloading Django-1.5.4.tar.gz (8.1Mb): 8.1Mb downloaded
> Running setup.py egg_info for package Django
> warning: no previously-included files matching '__pycache__' found under
> directory '*'
> warning: no previously-included files matching '*.py[co]' found under
> directory '*'
> Installing collected packages: Django
> Running setup.py install for Django
> changing mode of build/scripts-2.6/django-admin.py from 644 to 755
> warning: no previously-included files matching '__pycache__' found under
> directory '*'
> warning: no previously-included files matching '*.py[co]' found under
> directory '*'
> changing mode of /usr/local/bin/django-admin.py to 755
> Successfully installed Django
> Cleaning up...
> __
>
> But I actually use pythonbrew for python 2.7.5 and pip installed it for
> the system which is python 2.6.6.
>
> How can I install it for the correct version (2.7.5) ?
>
> Thank you
>
> --
> “One original thought is worth a thousand mindless quotings.”
>
> “Le vrai n'est pas plus sûr que le probable.”
>
>
> Diogene Laerce
>
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Re: logic problem

2013-10-07 Thread Harjot Mann
On Mon, Oct 7, 2013 at 11:54 AM, Leonardo Giordani
 wrote:
> Are you sure that your DB contains only one entry with that name?
> Try printing it in the view you use to render that template and check the
> output of the development server.


Yes
not getting you here ..:(

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installation invisible

2013-10-07 Thread Mando
Hi, 

One option would be to set your pythonbrew install in your path. Or Execute pip 
using the absolute path to your python install. Either way you will still need 
to set your path. 

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installation invisible

2013-10-07 Thread Diogene Laerce

Hi,

I installed django through pip :

__
Downloading/unpacking Django==1.5.4
Downloading Django-1.5.4.tar.gz (8.1Mb): 8.1Mb downloaded
Running setup.py egg_info for package Django
warning: no previously-included files matching '__pycache__' found under 
directory '*'
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directory '*'

Installing collected packages: Django
Running setup.py install for Django
changing mode of build/scripts-2.6/django-admin.py from 644 to 755
warning: no previously-included files matching '__pycache__' found under 
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warning: no previously-included files matching '*.py[co]' found under 
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changing mode of /usr/local/bin/django-admin.py to 755
Successfully installed Django
Cleaning up...
__

But I actually use pythonbrew for python 2.7.5 and pip installed it for
the system which is python 2.6.6.

How can I install it for the correct version (2.7.5) ?

Thank you

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“Le vrai n'est pas plus sûr que le probable.”   


Diogene Laerce

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Writing translatable static web pages

2013-10-07 Thread saintger
Hello,

I am a bit confused on the best way to handle this problem:

My web site needs read-only static web pages (typically the About part of a 
web site) with 2 simple constraints:
  - they need to be translated
  - they need to have flexible layout: to incorporate base headers/footers, 
floating images and/or tables, and non-interactive elements (like a 
bootstrap carousel).

Several solutions that I have thought about:
  - I can of course directly write HTML files but the translation part will 
be awkward (a lot of , ,  and  which are of no interest to 
the translator).
  - I can use Django flatpages with some markup languages but I lose a lot 
of flexibility (for instance template tags are not recognized)
  - Use generators like Hyde, but it seems quite overkill for my needs.

Does someone have other propositions that I can look into ?
Is Textile the best markup language if I want tables and floating element 
and the ability to add custom Bootstrap class ?

Thanks !

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Re: Copy all the data from an existing database when create the testing database.

2013-10-07 Thread Tianyi Wang
Thanks Kelvin, I will have a look at this. It seems interesting.
Kelvin Wong writes:

> Consider using model factories (you can roll your own) or FactoryBoy
>
> https://factoryboy.readthedocs.org/en/latest/
>
> K
>
>
> On Friday, October 4, 2013 9:17:51 AM UTC-7, Tianyi Wang wrote:
>>
>> Yes, it'd be nice to have all the data from the existing database.
>> I am aware the loading fixtures way, but I will need to do that every time
>> I know the existing database has changed a lot.
>> So just copy the data when creating the test database seems more
>> convenient.
>>
>> Tianyi
>>
>> On Friday, 4 October 2013 17:08:02 UTC+1, C. Kirby wrote:
>>>
>>> Do you always want all of the data from the existing database, or is this
>>> just a quick way to have "real data" for testing.
>>> If it is the latter I would use manage.py dumpdata to generate test
>>> fixtures. You can load the fixtures in you tests as needed.
>>>
>>> Chaim
>>>
>>> On Friday, October 4, 2013 8:48:45 AM UTC-5, Tianyi Wang wrote:

 Hi,

 When I run my tests, I'd like it to copy an existing database with all
 the data when create the testing database.

 I never thought about this till one of my colleague uses
 POSTGIS_TEMPLATE = DATABASES['default']['NAME'] for his tests.
 Because we use GeoDjango for our project, so POSTGIS_TEMPLATE exists for
 letting the test runner know which postgis database template to use.
 And when he define it as mentioned above, it actually creates the test
 database with all the data as well. It's kinda handy for us, so we don't
 need to create the fixture files.
 But if we can not do the same with the projects which do not use
 GeoDjango.

 So I have two questions here:

1. Is it good idea to use the data already exists in the project
database? (For some tests, I may need to delete all the data first for a
certain table, but in many cases, we test against non empty data set.)
2. If it's not a bad idea, for the project which does not use
GeoDjango, is there anyway I can set it to copy the data from the 
 existing
database?

 Thanks

 Tianyi

>>>


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Re: image display in admin

2013-10-07 Thread Alban Hertroys
On Monday, October 7, 2013 6:24:54 AM UTC+2, Harjot Mann wrote:
>
> On Sun, Oct 6, 2013 at 5:57 PM, Harjot Mann 
> > 
> wrote: 
> > I am uploading an image in my app and I want to display that image in 
> > admin site. What should I do? 
>
>
> http://www.acedevs.com/blog/2011/07/11/django-admin-list-view-thumbnails/ 
> I followed this link but it does not work. Help me please. 
>

Apparently you missed something, but you only showed a tiny bit of the 
relevant code. That, or that example is sufficiently outdated that it no 
longer works like that (It is 2 years old).

Did you add 'slide_thumbnail' to your list_display set? Did you register 
your custom Admin class? Did you remove the pyc file?

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Re: proper way to override text plugin widget

2013-10-07 Thread Roberto López López
wrong list, sorry :-(


On 10/07/2013 11:23 AM, Roberto López López wrote:
> Hi,
>
> The users of my project prefer ckeditor, so I am wondering how to use it
> for cms.plugins.text . I am already making use of django-ckeditor in
> other parts of the application. Can anyone enlighten me please?
>
> Thanks,
>
> Roberto
>
>


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System Developer
Parallab, Uni Computing
+47 55584091

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proper way to override text plugin widget

2013-10-07 Thread Roberto López López

Hi,

The users of my project prefer ckeditor, so I am wondering how to use it
for cms.plugins.text . I am already making use of django-ckeditor in
other parts of the application. Can anyone enlighten me please?

Thanks,

Roberto


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Re: 403 Forbidden messages when saving items in django-admin

2013-10-07 Thread Alban Hertroys
On Sunday, October 6, 2013 8:24:20 PM UTC+2, Daniel Roseman wrote:
>
> Notice that this is the default Apache error message, not one for Django. 
> That strongly suggests that people are being redirected away from your 
> Django server to another, different one. Perhaps Django is running on a 
> non-standard port, and after saving they are being redirected to the 
> default port 80?
>

Both the website and the admin interface run at standard port 80. I thought 
that perhaps the issue might be the other way around, that people are being 
redirected away from the standard port to a different one or to a differetn 
virtual host on the same server, but where would such a thing occur? 
Remember, this is only happening in the contrib admin module.

I've looked through my models.py, views.py and admin.py scripts (not sure 
where to look in this case), but I don't seem to explicitly redirect people 
anywhere. The only redirection taking place are some raise Http404 calls in 
my views.py, but those are on the normal website part of the code - I don't 
see how those would get called from the admin module.

I think that for this theory that only leaves the possibility that some 
other error is triggering an error page from Apache directly and that that 
error gets redirected to a location we don't have access to? I do have 
error pages for Http 404 and 500.

I tested one of those raise Http404 cases on the website (not the admin 
module), and I get a "normal" Django Http 404 message (the site is in DEBUG 
mode atm).
I've traced the request/response headers leading up to those 403 Forbidden 
errors, but nothing jumps out - everything seems to be going on inside of 
our domain.

Now I'm wondering: What would happen if Django did get upgraded from 1.1 to 
1.2, 1.3 and finally 1.4, but the admin contrib module didn't get upgraded 
all the way to 1.4? Would it work at all? Could that explain these errors?

AFAIK, the site is being hosted on Debian Linux (I expect it's the latest 
stable version, whether they call that Lenny or Harry or Boogy I don't 
know). Are django and admin contrib packages "linked" in their repository, 
so that if the base package gets upgraded, so does the dependant package? 
(I'm not too familiar with Linux and their distro's, more of a BSD man 
myself)

Thanks for the suggestions so far.

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