Re: Multiple primary keys

[Lars Stavholm]

Malcolm Tredinnick wrote:
> On Tue, 2007-08-14 at 06:51 +0200, Lars Stavholm wrote:
>> Malcolm Tredinnick wrote:
>>> On Tue, 2007-08-14 at 08:47 +0800, Russell Keith-Magee wrote:
>>> [...]
 You will have more difficulty with the Admin application and generic
 views. Both of these features rely upon the ability to install URLs
 like:

 /path/to/object/42/ -> edit object 42

 This works fine if you have a single column primary key; however, if
 you have multiple column primary keys, this isn't so easy to do. To
 date, every proposed syntax for URL spaces supporting multiple primary
 keys has either been syntactically ambiguous (e.g.,
 /path/to/object/42,37 - which works unless the primary key has a comma
 in it), or very inelegant (/path/to/object/42/37/ - which implies a
 heirarchy where there isn't one). Any proposal for adding multiple
 primary keys would need to address this very large issue.
>>> Remembering that primary keys are not just integers, so *any* string
>>> construct you come up with could also be the value of a single primary
>>> key. (e.g. "42/37/", in Russell's second example, could be a primary key
>>> value, too).
>> I see, not that simple.
>>
>> I guess the following idea has been discussed already then:
>>
>> Something like...
>>
>> /path/to/object/42,37
>>
>> ...where we use a setting like...
>>
>> PRIMARY_KEY_SEPARATOR = ','
>>
>> So, if the application needs to use another character to
>> separate the primary key fields, we could use, for example...
>>
>> /path/to/object/[EMAIL PROTECTED]
>>
>> PRIMARY_KEY_SEPARATOR = '@'
>>
>> ...maybe with a built in restriction of the allowed values
>> for  PRIMARY_KEY_SEPARATOR.
> 
> How will you know what your users will enter in the primary key? If it's

Well, all of the databases I've been looking at are sort
of professionally built, and don't really use arbitrary
strings for any primary key field. The usual case is a
combinations of integers, and in some cases a combination
of integers and simple/short strings, like unix usernames,
invoice number characters and integers mixed in a single
string field, and such. One could even assume that there's
no strange characters within the primary key field. I've
been working with RDBMSs for a good while, and I've never
seen any arbitrary-string-in-primary-key-field requirement,
no commas, no dots, no semicolons, nothing like that. It's
simply bad practice to have primary keys like that.

> something like a title or any other arbitrary field, aren't you out of
> luck? So then you end up looking at escaping mechanisms and it rapidly
> leads to ugly looking URLs.

I'm not really looking for the arbitrary string case, and
definitely not putting stuff like a title in the primary key.
It's a question of a primary key for an RDBMS, a couple of
best practice limitations fits in nicely, e.g. integers
(mostly) and short strings, like order number as a string,
invoice number as a string, stuff like that.

> Periodically, I wonder if it's worth implementing this anyway, just for
> fun, and then saying if you have multiple primary keys, you can't use
> those models in the admin. The mechanics are not that hard in most
> places (it's not entirely trivial, since we can't break existing code
> that uses the 'pk' attribute on models, etc). Current users would be no
> worse of. People using the new feature will do it with their eyes open
> and accepting the consequences of their decision (except therein lies
> the problem). I haven't gotten as far as pulling the trigger yet,
> though, since I always have other stuff to do.

Yes, well, I think it might be worth the effort. Imagine how many
legacy databases would benefit from a user interface built with
django, web or native. However, I do believe that the admin interface
should be an integral part of this, it's essential in getting your
application up and running quickly.

Just my 2c worth
/Lars


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Design plus admin question

[acidity]

Hi

This is more of a design question then anything.

We are using Apache and mod_python in our development server. The
whole Django project is kept as subfolder in the Apache data
directory. So everybody out here can access it over:

http://192.168.1.10/project

The project is actually checked out from a subversion code repository.
Now every developer checks out the project on his individual machine
and works on it.

A part of the urls.py:

urlpatterns = patterns('',
(r'^project/$', 'project.views.index'),
(r'^project/login/$', 'django.contrib.auth.views.login',
{'template_name': 'accounts/login.html'}),
)

Now each development server while running their local copy, need to
access the project at:

http://127.0.0.1:8000/project and it works. Ideally, we would have
wanted only http://127.0.0.1:8000 but we can live with that.

Now later on when we go live with, the website would be accessed from:
http://www.domain.com. Now, during our testing it fails as the regular
expression will not match for top level.

How do you manage such settings? In the end we will just checkout the
project in the data directory of Apache and it will go live.

We dont want to change any settings between test and production so
that we dont miss anything or do any unrequired changes.

Also, it may happen that the DB settings might be different too so
what would be the best way to manage such a setting?

I am sure this is a very common setup.

Ritesh


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Re: Multiple primary keys

[Malcolm Tredinnick]

On Tue, 2007-08-14 at 06:51 +0200, Lars Stavholm wrote:
> Malcolm Tredinnick wrote:
> > On Tue, 2007-08-14 at 08:47 +0800, Russell Keith-Magee wrote:
> > [...]
> >> You will have more difficulty with the Admin application and generic
> >> views. Both of these features rely upon the ability to install URLs
> >> like:
> >>
> >> /path/to/object/42/ -> edit object 42
> >>
> >> This works fine if you have a single column primary key; however, if
> >> you have multiple column primary keys, this isn't so easy to do. To
> >> date, every proposed syntax for URL spaces supporting multiple primary
> >> keys has either been syntactically ambiguous (e.g.,
> >> /path/to/object/42,37 - which works unless the primary key has a comma
> >> in it), or very inelegant (/path/to/object/42/37/ - which implies a
> >> heirarchy where there isn't one). Any proposal for adding multiple
> >> primary keys would need to address this very large issue.
> > 
> > Remembering that primary keys are not just integers, so *any* string
> > construct you come up with could also be the value of a single primary
> > key. (e.g. "42/37/", in Russell's second example, could be a primary key
> > value, too).
> 
> I see, not that simple.
> 
> I guess the following idea has been discussed already then:
> 
> Something like...
> 
> /path/to/object/42,37
> 
> ...where we use a setting like...
> 
> PRIMARY_KEY_SEPARATOR = ','
> 
> So, if the application needs to use another character to
> separate the primary key fields, we could use, for example...
> 
> /path/to/object/[EMAIL PROTECTED]
> 
> PRIMARY_KEY_SEPARATOR = '@'
> 
> ...maybe with a built in restriction of the allowed values
> for  PRIMARY_KEY_SEPARATOR.

How will you know what your users will enter in the primary key? If it's
something like a title or any other arbitrary field, aren't you out of
luck? So then you end up looking at escaping mechanisms and it rapidly
leads to ugly looking URLs.

Periodically, I wonder if it's worth implementing this anyway, just for
fun, and then saying if you have multiple primary keys, you can't use
those models in the admin. The mechanics are not that hard in most
places (it's not entirely trivial, since we can't break existing code
that uses the 'pk' attribute on models, etc). Current users would be no
worse of. People using the new feature will do it with their eyes open
and accepting the consequences of their decision (except therein lies
the problem). I haven't gotten as far as pulling the trigger yet,
though, since I always have other stuff to do.

Regards,
Malcolm

-- 
The cost of feathers has risen; even down is up! 
http://www.pointy-stick.com/blog/


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Re: Accessing the content-attribute in request.FILES without loading it into memory

[simonbun]

Hi,

You'll want to take a look at ticket #2070 [1] for streaming uploads.
It has a working patch that will make it to trunk pretty soon I think.
I'm not sure how you would handle streaming uploads directly to a S3
bucket, but it shouldn't be too hard to hack the patch from the
ticket.

[1] http://code.djangoproject.com/ticket/2070

regards,
Simon

On Aug 14, 3:10 am, Henrik Lied <[EMAIL PROTECTED]> wrote:
> Hi there!
>
> I'm using Amazon S3 for file storage, and I have to send the file
> directly from request.FILES.
> (I could always save the file locally first, send it to Amazon and
> then delete it from my local server, but this would double the wait
> for the user.)
>
> Is there a way to only load chunks of the uploaded file into memory,
> instead of loading the whole thing at once? And here comes an even
> better question: Would it be useful?
>
> Thanks in advance!


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Re: Multiple primary keys

[Lars Stavholm]

Malcolm Tredinnick wrote:
> On Tue, 2007-08-14 at 08:47 +0800, Russell Keith-Magee wrote:
> [...]
>> You will have more difficulty with the Admin application and generic
>> views. Both of these features rely upon the ability to install URLs
>> like:
>>
>> /path/to/object/42/ -> edit object 42
>>
>> This works fine if you have a single column primary key; however, if
>> you have multiple column primary keys, this isn't so easy to do. To
>> date, every proposed syntax for URL spaces supporting multiple primary
>> keys has either been syntactically ambiguous (e.g.,
>> /path/to/object/42,37 - which works unless the primary key has a comma
>> in it), or very inelegant (/path/to/object/42/37/ - which implies a
>> heirarchy where there isn't one). Any proposal for adding multiple
>> primary keys would need to address this very large issue.
> 
> Remembering that primary keys are not just integers, so *any* string
> construct you come up with could also be the value of a single primary
> key. (e.g. "42/37/", in Russell's second example, could be a primary key
> value, too).

I see, not that simple.

I guess the following idea has been discussed already then:

Something like...

/path/to/object/42,37

...where we use a setting like...

PRIMARY_KEY_SEPARATOR = ','

So, if the application needs to use another character to
separate the primary key fields, we could use, for example...

/path/to/object/[EMAIL PROTECTED]

PRIMARY_KEY_SEPARATOR = '@'

...maybe with a built in restriction of the allowed values
for  PRIMARY_KEY_SEPARATOR.

> Our other big goal is not to break the existing single primary key case.

Well, if that's a goal, I'm afraid I'm out of luck:|

> Preferably no change to existing URLs.

I see.

My conclusion is that the multiple primary key fields is not
going to happen, which is a pity, since introspection then
is of limited use.

Thanks for your input
/Lars


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Re: Filter on related model problem...

[Collin Grady]

Regroup generates a list of dicts with two keys - grouper (the value
of the field you're grouping by) and list (the list of objects that
match that)

So in this case, you get entries like {'grouper': ,
'list': [, , ...]}  :)


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Re: cmemcached etc

[Victor Ng]

On 8/13/07, TheMaTrIx <[EMAIL PROTECTED]> wrote:
>
> No, its not reasonable to assume people know everything about python
> from day 1.

I really don't think this is an issue of knowing "everything about
python".  Rather - it's about knowing how to use Google:

http://www.google.com/search?hl=en=installing%2Bpython%2Bmodules

The first link is called "Installing Python Modules" and it includes
instructions for the trivial case.

Ned's Mom: You gotta help us, Doc. We've tried nothing and we're fresh
out of ideas!

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next page in this category

[James Tauber]

Imagine you have a Page model with a creation_time field and a many- 
to-many field of Categories.

Clearly you can navigate through each page in creation order one by  
one with get_next_by_creation_time (which is quite awesome, really).

But how might one do the same per category? i.e. for each category a  
given page is in, provide the next page in that category (ordered by  
creation time)?

James
--
James Tauber  http://jtauber.com/
journeyman of some   http://jtauber.com/blog/





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Re: Filter on related model problem...

[[EMAIL PROTECTED]]

Nice--I was thinking about using regroup, but I didn't think this was
a "proper" use of it. Thanks!

On Aug 13, 8:22 pm, Collin Grady <[EMAIL PROTECTED]> wrote:
> view:
>
> poems =
> Poem.objects.filter(approved=True).select_related().order_by('auth_user.use 
> rname')
>
> template:
>
> {% regroup poems by user as grouped %}
> {% for group in grouped %}
> {{ group.grouper }}
> {% for poem in group.list %}
> {{ poem.title }}
> {% endfor %}
> {% endfor %}
>
> Perhaps something like that? :)


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Custom primary key using Oracle 10g

[Catriona]

Hello

I am a beginning Django user and would appreciate help on the
following issue.

How do I specify a custom primary key in my model when using Oracle
10g

I am using the lastest Django version from svn.

Thanks for your help

Catriona


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Chak de india Video songs / Audio Songs and wallpapers

[Super Man]

Chak de india Video songs / Audio Songs and wallpapers

www.FunAtoZ.com


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Chak de india Video songs / Audio Songs and wallpapers

[Super Man]

Chak de india Video songs / Audio Songs and wallpapers

www.FunAtoZ.com


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Re: Filter on related model problem...

[Carl Karsten]

Collin Grady wrote:
> view:
> 
> poems =
> Poem.objects.filter(approved=True).select_related().order_by('auth_user.username')
> 
> template:
> 
> {% regroup poems by user as grouped %}
> {% for group in grouped %}
> {{ group.grouper }}
> {% for poem in group.list %}
> {{ poem.title }}
> {% endfor %}
> {% endfor %}
> 

Can you explain how regroup works?

This is probably the solution to my problem  i posted a few days ago: subject: 
grouping, replies: 0.

Carl K

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Re: error with Admin

[Collin Grady]

Your problem is completely unrelated to INSTALLED_APPS, if your django/
contrib/admin/templates dir is missing.


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Re: Filter on related model problem...

[Collin Grady]

view:

poems =
Poem.objects.filter(approved=True).select_related().order_by('auth_user.username')

template:

{% regroup poems by user as grouped %}
{% for group in grouped %}
{{ group.grouper }}
{% for poem in group.list %}
{{ poem.title }}
{% endfor %}
{% endfor %}

Perhaps something like that? :)


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Re: Filter on related model problem...

[[EMAIL PROTECTED]]

> u = User.objects.filter(poem_set__approved=True)

I think you meant: u = User.objects.filter(poem__approved=True)

> and then in your template, you can have something like
>
>  {% for user in users %}
>User: {{ user }}
>{% for poem in user.poems %}
>  {% if poem.approved %}
>   {{ poem.title }}
>  {% endif %}
>{% endfor %}
>  {% endfor %}

I would like to do something like that, but I don't want to filter the
approved poems in the template. I want to filter them in the view.
(Thank for your help though!)




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Re: Importing My Own Modules

[Malcolm Tredinnick]

On Tue, 2007-08-14 at 02:10 +, Brisingman wrote:
> 
> 
> On Aug 13, 9:14 pm, Malcolm Tredinnick <[EMAIL PROTECTED]>
> wrote:
> > On Tue, 2007-08-14 at 00:26 +, Brisingman wrote:
> > > Hi,
> >
> > > Have 2 problems that may be related but definitely need resolution.
> >
> > > 1) Want to use my central library ( /home/me/bin) with Django in
> > > different projects.  Tried to import a module from this library in an
> > > app view and got an import error.
> >
> > *How* are you running the code that is trying to do this? Via manage.py?
> > Via apache? Some other way?
> 
> Apache.

And that's the reason your .bashrc isn't being executed. Apached doesn't
run as a sub-process of bash. Read the mod_python documentation (or the
mod_python hints that come with Django) and you'll see how you can set
the Python path.

Regards,
Malcolm

-- 
If at first you don't succeed, destroy all evidence that you tried. 
http://www.pointy-stick.com/blog/


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Re: Installing django on a vm using NAT - SVN 400 bad request

[james_027]

Hi,

On Aug 14, 9:36 am, sanchothefat <[EMAIL PROTECTED]> wrote:
> Hi, I'm trying to get django going on a debian etch vm I have which
> uses NAT to access the web. I found some info that suggested using https://
> but that won't work.
> Should I try ubuntu or is there something in the vm settings I need to
> change? I'm still quite new to *nix but making progress so any advice
> you can give me on what things to try is very welcome.
>
> Ta very much,
> Rob

looks like a firewall is avoiding you

james


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Re: Importing My Own Modules

[Brisingman]

On Aug 13, 9:14 pm, Malcolm Tredinnick <[EMAIL PROTECTED]>
wrote:
> On Tue, 2007-08-14 at 00:26 +, Brisingman wrote:
> > Hi,
>
> > Have 2 problems that may be related but definitely need resolution.
>
> > 1) Want to use my central library ( /home/me/bin) with Django in
> > different projects.  Tried to import a module from this library in an
> > app view and got an import error.
>
> *How* are you running the code that is trying to do this? Via manage.py?
> Via apache? Some other way?

Apache.

>
>
>
> > 2) sys.path shows /home/me/bin with the other stuff, ie I can import
> > my modules from said library into python on the command line.
> > However, the IDLE path browser does not show this library ( /home/me/
> > bin ).  I need to be able to browse the code in this library in IDLE.
>
> > I have PYTHONPATH set to /home/me/bin in bash.bashrc.
>
> Depending upon how you're running the application, it might not be under
> a bash process or it might be spawned via something that intentionally
> doesn't inherit the whole environment, for security or other reasons.
> So .bashrc might not be being executed.
>
> Regards,
> Malcolm
>
> --
> Monday is an awful way to spend 1/7th of your 
> life.http://www.pointy-stick.com/blog/


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Re: DRY? I have a field lists to manage in 4 places

[Russell Keith-Magee]

On 8/14/07, sime <[EMAIL PROTECTED]> wrote:
>
> Warning, devils advocate post. It's meant to be constructive
> criticism.
>
> I have my fields listed in HTML, in forms.py (newforms), in models.py,
> and in my database (post-syncdb). Four places no less.

What you have described is three different pieces of information that
are similar in the trivial case, and one that you don't need to
manage.

- fields in HTML - where you want to put field X. Only required if you
don't like the default rendering of {{ form.as_table }}

- fields on a form. Doesn't necessarily correspond 1-1 with model
fields (consider password entry - two form fields, one database field

- fields in a model.

For very simple forms, these three are identical. If you only need
simple forms, form_for_model will let you define the model once, and
get a default form without respecifying anything. If you have more
complex requirements, then you will need to specify those
requirements.

The fourth 'duplicate' - the database - is autogenerated, so doesn't
require manual interaction.

> Before we shout too much about DRY, newforms _for_model needs a tonne
> more flexibility, and syncdb needs migration.

And I need a pony. :-)

Instead of throwing around blanket statements about what is broken,
how about making some concrete suggestions. Saying newforms "needs a
tonne more flexibility" doesn't give any hint as to what you think
isn't flexible.

Yours,
Russ Magee %-)

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Re: error with Admin

[john]

On Aug 13, 8:28 pm, Empty <[EMAIL PROTECTED]> wrote:
> On 8/13/07, john <[EMAIL PROTECTED]> wrote:
>
> > > Are the templates actually present in django/contrib/admin/
> > > templates/ ?
>
> > there is a directory /usr/lib/python2.5/site-packages/django/contrib/
> > admin/templatetags/...
>
> > "templatetags" but no "templates"  - is this right ?
>
> You should have a templates directory in that location.  Sounds like
> something might be wacky with your install.
>

there is a template folder under /django/template as well as /django/
templatetags  but under /django/contrib/admin there is only the
template tags.  If this is not right there must be a problem with the
Ubuntu Feisty packaging since that is what I installed.

I will remove the django package, clean out any django folders and
reload.  Something is wrong - shouldn't be this hard.  Could it be
some sort of tab problem with "Installed Apps" ?  I think having to
edit the "Installed Apps" setting is not only cumbersome but can lead
to additional errors - is there a better way ?



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Installing django on a vm using NAT - SVN 400 bad request

[sanchothefat]

Hi, I'm trying to get django going on a debian etch vm I have which
uses NAT to access the web. I found some info that suggested using https://
but that won't work.
Should I try ubuntu or is there something in the vm settings I need to
change? I'm still quite new to *nix but making progress so any advice
you can give me on what things to try is very welcome.

Ta very much,
Rob


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DRY? I have a field lists to manage in 4 places

[sime]

Warning, devils advocate post. It's meant to be constructive
criticism.

I have my fields listed in HTML, in forms.py (newforms), in models.py,
and in my database (post-syncdb). Four places no less.

Before we shout too much about DRY, newforms _for_model needs a tonne
more flexibility, and syncdb needs migration.

In my old PHP framework I only had my fields list in 2 places (HTML
and database), everything else worked itself out on the fly via
introspection.


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Re: Adding permissions in a fixture

[Todd O'Bryan]

On Tue, 2007-08-14 at 08:27 +0800, Russell Keith-Magee wrote:
> On 8/14/07, Todd O'Bryan <[EMAIL PROTECTED]> wrote:
> >
> > I asked this before and no one answered, but after having to do this
> > manually in the shell for about the fifteenth time, I'm going to ask
> > again.
> 
> Can't say I remember seeing this question the first time round.
> Apologies for missing it.
> 
> > Let me outline what I'm doing and see if I'm doing something wrong:
> ...
> > This last step changes the id of the old permissions and my serialized
> > test data no longer sets the permissions it's supposed to. Now I have to
> > remake my test data.
> >
> > Is this a real problem, or am I just making it up?
> 
> This could be a real problem. Permissions are all based on
> ContentTypes, and the ID's assigned to contenttypes will depend on the
> order in which applications are installed. The same problem will
> potentially exist with GenericRelations, or anything else relying on
> ContentType references.
> 
> Changing the order of the INSTALLED_APPS shouldn't cause this problem
> (if you can demonstrate that it does, there might be another issue at
> work here). Adding a new application by itself shouldn't cause a
> problem either - the new permission ID's should be added with
> sequential IDs at the end of the existing IDs.
> 
> However, the following sequence will cause problems:
> - Add two applications, and sync
> - Write a fixture that uses permissions for those apps
> - Add a third application
> - Write a fixture that uses permissions on the third app
> - Destroy and recreate the database
> 
> In this case, there is no guarantee that the permissions will be
> recreated in the same order   as they were in the first instance -
> hence, serialization problems.
> 
> Does this correspond with the use case you are seeing? Or are your
> serialization problems more widespread than this example?
> 
I'm only actually talking about test cases where you start from a fresh
database each time. I assume that as you evolve your production database
you're smart enough not to, say, serialize the data, rebuild the
database willy-nilly, and then cross your fingers and hope the data goes
back where it was supposed to. :-)

> > If it's a real problem, is there a way around it? Since fixtures are
> > such an easy way to create test data, it would seem a really good idea
> > if they supported the ability to create data that wouldn't break
> > unnecessarily as a result of a project just evolving.
> 
> I agree that this is annoying.
> 
> One possible way around the problem is to serialize your ContentTypes.
> This will ensure that the content types in any new database correspond
> to their original values. This will require your to rebuild your
> contenttype fixture every time you add an new application, but this is
> fairly easy to do with ./manage.py dumpdata contenttype
> 
> The only permanent solution I can think of would be to introduce some
> sort of query language into the fixtures, which is a road I'd rather
> not travel down. Any other suggestions are welcome.

That's something I hadn't thought of, but do you run into trouble
because Django creates the content-types itself and then you try to load
yours afterward? I was getting weird errors and discovered that the way
to solve the problem was to *not* dumpdata auth or any other of Django's
own apps.

Here's something I considered. What if fixtures were a Python module
instead of just a folder and you could include a function as part of a
fixture. For example, in addition to test.json, I could include a
function called test in fixtures/__init__.py that added stuff to the
database using the ORM. Most things would still be done through
serialization, because it's so handy, but generic relations and
permissions and such could be set with a few lines of Python code. Does
that seem like too big a hammer for such a small nail?

Todd


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Re: Multiple primary keys

[Malcolm Tredinnick]

On Tue, 2007-08-14 at 08:47 +0800, Russell Keith-Magee wrote:
[...]
> You will have more difficulty with the Admin application and generic
> views. Both of these features rely upon the ability to install URLs
> like:
> 
> /path/to/object/42/ -> edit object 42
> 
> This works fine if you have a single column primary key; however, if
> you have multiple column primary keys, this isn't so easy to do. To
> date, every proposed syntax for URL spaces supporting multiple primary
> keys has either been syntactically ambiguous (e.g.,
> /path/to/object/42,37 - which works unless the primary key has a comma
> in it), or very inelegant (/path/to/object/42/37/ - which implies a
> heirarchy where there isn't one). Any proposal for adding multiple
> primary keys would need to address this very large issue.

Remembering that primary keys are not just integers, so *any* string
construct you come up with could also be the value of a single primary
key. (e.g. "42/37/", in Russell's second example, could be a primary key
value, too).

Our other big goal is not to break the existing single primary key case.
Preferably no change to existing URLs.

Regards,
Malcolm

-- 
Plan to be spontaneous - tomorrow. 
http://www.pointy-stick.com/blog/


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Re: Importing My Own Modules

[Malcolm Tredinnick]

On Tue, 2007-08-14 at 00:26 +, Brisingman wrote:
> Hi,
> 
> Have 2 problems that may be related but definitely need resolution.
> 
> 1) Want to use my central library ( /home/me/bin) with Django in
> different projects.  Tried to import a module from this library in an
> app view and got an import error.

*How* are you running the code that is trying to do this? Via manage.py?
Via apache? Some other way?

> 
> 2) sys.path shows /home/me/bin with the other stuff, ie I can import
> my modules from said library into python on the command line.
> However, the IDLE path browser does not show this library ( /home/me/
> bin ).  I need to be able to browse the code in this library in IDLE.
> 
> I have PYTHONPATH set to /home/me/bin in bash.bashrc.

Depending upon how you're running the application, it might not be under
a bash process or it might be spawned via something that intentionally
doesn't inherit the whole environment, for security or other reasons.
So .bashrc might not be being executed.

Regards,
Malcolm

-- 
Monday is an awful way to spend 1/7th of your life. 
http://www.pointy-stick.com/blog/


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Accessing the content-attribute in request.FILES without loading it into memory

[Henrik Lied]

Hi there!

I'm using Amazon S3 for file storage, and I have to send the file
directly from request.FILES.
(I could always save the file locally first, send it to Amazon and
then delete it from my local server, but this would double the wait
for the user.)

Is there a way to only load chunks of the uploaded file into memory,
instead of loading the whole thing at once? And here comes an even
better question: Would it be useful?

Thanks in advance!


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Re: Multiple primary keys

[Russell Keith-Magee]

On 8/14/07, Lars Stavholm <[EMAIL PROTECTED]> wrote:
>
> Hi all,
>
> first of all: django rocks! I'm a database application developer

Glad you like it! Welcome to the community.

> I know that this has been discussed on this list, but what I would
> like to know now is: is there any effort going into creating the
> "multiple fields in the primary key" feature at all? If so, is there
> anything I could do to help, short of trying to implement it myself,
> which I doubt that I'll be able to?
>
> Any input appreciated.

At present, there isn't any effort going on in this area. If you want
to contribute, this would be a very big contribution.

However, be warned - there is a reason we haven't addressed this issue.

On a model level, it shouldn't be too difficult to implement - allow
primary_key=True to be defined on multiple fields, and interpret those
fields appropriately when the table is created. You would also need to
modify the query syntax to ensure that queries over pk accept tuples
rather than just being a simple alias for the primary key field.

You will have more difficulty with the Admin application and generic
views. Both of these features rely upon the ability to install URLs
like:

/path/to/object/42/ -> edit object 42

This works fine if you have a single column primary key; however, if
you have multiple column primary keys, this isn't so easy to do. To
date, every proposed syntax for URL spaces supporting multiple primary
keys has either been syntactically ambiguous (e.g.,
/path/to/object/42,37 - which works unless the primary key has a comma
in it), or very inelegant (/path/to/object/42/37/ - which implies a
heirarchy where there isn't one). Any proposal for adding multiple
primary keys would need to address this very large issue.

Yours,
Russ Magee %-)

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Re: Filter on related model problem...

[Tim Chase]

> I have a "poem" model that belongs to "user". The "poem" model an
> "approved" attribute. I want to print a list of users and display only
> their poems that are approved.
> 
> What do I specify in the Queryset to make this work?
> 
> I want to do something like this:
> u = User.objects.filter(poem.approved=True)

If you're interested in poems that have been approved, you want
something like

poems = Poems.objects.filter(approved=True, user=request.user)

Or perhaps you *do* want users and their approved poems in which
case you'd have something like

u = User.objects.filter(...users of interest...)

or perhaps

u = User.objects.filter(poem_set__approved=True)

and then in your template, you can have something like

 {% for user in users %}
   User: {{ user }}
   {% for poem in user.poems %}
 {% if poem.approved %}
  {{ poem.title }}
 {% endif %}
   {% endfor %}
 {% endfor %}


-tim





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Re: error with Admin

[Empty]

On 8/13/07, john <[EMAIL PROTECTED]> wrote:
>
> On Aug 13, 6:58 pm, Collin Grady <[EMAIL PROTECTED]> wrote:
> > Do you have "django.contrib.admin" in INSTALLED_APPS?
>
> yes
>
>
> > Are the templates actually present in django/contrib/admin/
> > templates/ ?
>
> there is a directory /usr/lib/python2.5/site-packages/django/contrib/
> admin/templatetags/...
>
> "templatetags" but no "templates"  - is this right ?
>

You should have a templates directory in that location.  Sounds like
something might be wacky with your install.

> > Are the permissions on that directory and every directory above it
> > such that the webserver can read them?
>
> yes

Empty

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Re: Adding permissions in a fixture

[Russell Keith-Magee]

On 8/14/07, Todd O'Bryan <[EMAIL PROTECTED]> wrote:
>
> I asked this before and no one answered, but after having to do this
> manually in the shell for about the fifteenth time, I'm going to ask
> again.

Can't say I remember seeing this question the first time round.
Apologies for missing it.

> Let me outline what I'm doing and see if I'm doing something wrong:
...
> This last step changes the id of the old permissions and my serialized
> test data no longer sets the permissions it's supposed to. Now I have to
> remake my test data.
>
> Is this a real problem, or am I just making it up?

This could be a real problem. Permissions are all based on
ContentTypes, and the ID's assigned to contenttypes will depend on the
order in which applications are installed. The same problem will
potentially exist with GenericRelations, or anything else relying on
ContentType references.

Changing the order of the INSTALLED_APPS shouldn't cause this problem
(if you can demonstrate that it does, there might be another issue at
work here). Adding a new application by itself shouldn't cause a
problem either - the new permission ID's should be added with
sequential IDs at the end of the existing IDs.

However, the following sequence will cause problems:
- Add two applications, and sync
- Write a fixture that uses permissions for those apps
- Add a third application
- Write a fixture that uses permissions on the third app
- Destroy and recreate the database

In this case, there is no guarantee that the permissions will be
recreated in the same order   as they were in the first instance -
hence, serialization problems.

Does this correspond with the use case you are seeing? Or are your
serialization problems more widespread than this example?

> If it's a real problem, is there a way around it? Since fixtures are
> such an easy way to create test data, it would seem a really good idea
> if they supported the ability to create data that wouldn't break
> unnecessarily as a result of a project just evolving.

I agree that this is annoying.

One possible way around the problem is to serialize your ContentTypes.
This will ensure that the content types in any new database correspond
to their original values. This will require your to rebuild your
contenttype fixture every time you add an new application, but this is
fairly easy to do with ./manage.py dumpdata contenttype

The only permanent solution I can think of would be to introduce some
sort of query language into the fixtures, which is a road I'd rather
not travel down. Any other suggestions are welcome.

Yours,
Russ Magee %-)

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Importing My Own Modules

[Brisingman]

Hi,

Have 2 problems that may be related but definitely need resolution.

1) Want to use my central library ( /home/me/bin) with Django in
different projects.  Tried to import a module from this library in an
app view and got an import error.

2) sys.path shows /home/me/bin with the other stuff, ie I can import
my modules from said library into python on the command line.
However, the IDLE path browser does not show this library ( /home/me/
bin ).  I need to be able to browse the code in this library in IDLE.

I have PYTHONPATH set to /home/me/bin in bash.bashrc.

I'm running Django .96  (on Ubuntu Dapper)


Grateful for any input.


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a great new websit look here

[[EMAIL PROTECTED]]

http://www.pennergame.de/ref.php?uid=4762


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Re: cmemcached etc

[TheMaTrIx]

No, its not reasonable to assume people know everything about python
from day 1.

I only just started using Python and primarily started using it
because of Django.
I had no problem installing Python, hooking it into Apache,
configuring Django, etc etc, sys administration is my main field of
expertise.
But I'm not a programmer(eventhough I know my way around PHP better
then most devs I know), am brand new to python and brand new to
djagno.

Where is the problem in putting:
--
To install type:

python setup.py install
--

in the INSTALL file anyway? Why have an INSTALL file in every archive
you release if you can't even be bothered to type that tiny line in
it? You don't even have to write it with every release you make, just
the very first time.

Anyway, thanks for the information on the tutorial and the info about
how to install these modules.


On Aug 14, 1:28 am, "Jeremy Dunck" <[EMAIL PROTECTED]> wrote:
> On 8/13/07, TheMaTrIx <[EMAIL PROTECTED]> wrote:
>
> > Neither of these apps has any kind of information on their sites or in
> > the archives on how you can install those modules so you can enable
> > memcached in the django config. They seem to think that everyone knows
> > everything about Python or something ...
>
> To be fair, you're trying to use a python library; it's reasonable to
> assume you know how to use python.   Do you think every library should
> explain the same stuff every time?
>
> You should go read the python tutorial:http://docs.python.org/tut/
>
> But if you're impatient:
> wgetftp://ftp.tummy.com/pub/python-memcached/python-memcached-1.38.tar.gz
> tar xfz python-memcached-1.38.tar.gz
> cd python-memcached-1.38
> sudo python setup.py install


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Filter on related model problem...

[[EMAIL PROTECTED]]

I have a "poem" model that belongs to "user". The "poem" model an
"approved" attribute. I want to print a list of users and display only
their poems that are approved.

What do I specify in the Queryset to make this work?

I want to do something like this:
u = User.objects.filter(poem.approved=True)

But that obviously is the incorrect syntax.

model:

class Poem(models.Model):
title = models.CharField('Title', maxlength=127)
body = models.TextField('Body Text')
approved = models.NullBooleanField()
user = models.ForeignKey(User)

Thanks in advance!


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Over 50 million unclaimed accts. Is one yours?

[arsrefunds]

Test Message

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Over 50 million unclaimed accts. Is one yours?

[arsrefunds]

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look @ this nice sit it´s great

[pupsi]

http://www.pennergame.de/ref.php?uid=4762


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Over 50 million unclaimed accts. Is one yours?

[arsrefunds]

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Re: cmemcached etc

[Jeremy Dunck]

On 8/13/07, TheMaTrIx <[EMAIL PROTECTED]> wrote:

> Neither of these apps has any kind of information on their sites or in
> the archives on how you can install those modules so you can enable
> memcached in the django config. They seem to think that everyone knows
> everything about Python or something ...

To be fair, you're trying to use a python library; it's reasonable to
assume you know how to use python.   Do you think every library should
explain the same stuff every time?

You should go read the python tutorial:
http://docs.python.org/tut/

But if you're impatient:
wget ftp://ftp.tummy.com/pub/python-memcached/python-memcached-1.38.tar.gz
tar xfz python-memcached-1.38.tar.gz
cd python-memcached-1.38
sudo python setup.py install

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Re: cmemcached etc

[Joseph Heck]

What platform are you trying to install this onto?

-joe

On 8/13/07, TheMaTrIx <[EMAIL PROTECTED]> wrote:
>
> Ok, I've used memcached for quite some time with PHP sites and that
> was rather easy.
>
> Now I see you can use it with Django, but to get memcached support you
> need to either install cmemcached or python-memcached.
>
> Neither of these apps has any kind of information on their sites or in
> the archives on how you can install those modules so you can enable
> memcached in the django config. They seem to think that everyone knows
> everything about Python or something ...
>
> Anyone know how to do this?
>
>
> >
>

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Re: error with Admin

[john]

On Aug 13, 6:58 pm, Collin Grady <[EMAIL PROTECTED]> wrote:
> Do you have "django.contrib.admin" in INSTALLED_APPS?

yes


> Are the templates actually present in django/contrib/admin/
> templates/ ?

there is a directory /usr/lib/python2.5/site-packages/django/contrib/
admin/templatetags/...

"templatetags" but no "templates"  - is this right ?

>
> Are the permissions on that directory and every directory above it
> such that the webserver can read them?

yes


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Adding permissions in a fixture

[Todd O'Bryan]

I asked this before and no one answered, but after having to do this
manually in the shell for about the fifteenth time, I'm going to ask
again.

Is there a way to add user permissions to a test fixture that isn't
brittle?

Let me outline what I'm doing and see if I'm doing something wrong:

1. I serialize the database with permission data and the permission is
stored as a foreign key, which means the serialized data just includes
its id.
2. I use the test data for a while, very happily.
3. I add a new app to my project, which has its own permissions (or even
maybe just change the order my apps appear in INSTALLED_APPS).

This last step changes the id of the old permissions and my serialized
test data no longer sets the permissions it's supposed to. Now I have to
remake my test data.

Is this a real problem, or am I just making it up?

If it's a real problem, is there a way around it? Since fixtures are
such an easy way to create test data, it would seem a really good idea
if they supported the ability to create data that wouldn't break
unnecessarily as a result of a project just evolving.

Hoping for some way to avoid "from django.contrib.auth.models import
User, Permission" over and over again in the shell,
Todd


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cmemcached etc

[TheMaTrIx]

Ok, I've used memcached for quite some time with PHP sites and that
was rather easy.

Now I see you can use it with Django, but to get memcached support you
need to either install cmemcached or python-memcached.

Neither of these apps has any kind of information on their sites or in
the archives on how you can install those modules so you can enable
memcached in the django config. They seem to think that everyone knows
everything about Python or something ...

Anyone know how to do this?


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Re: Django database API - What is it good for?

[TheMaTrIx]

Also, if I'm not mistaken, when you use the database api, the input
validation steps are taken care of by the framework, you don't just
tell in the models what format fields should be in the database, but
at the same time are telling the framework what input it should accept
for that field. If a field is EmailField, it'll only accept an actual
[EMAIL PROTECTED] type input.
It'll also escape everything correctly for you.

Why is this important you ask? Using the database api almost
completely removes all the SQL injection whoes developers have so they
can focus on the important stuff.
The philosophy behind django is to automate the repetitive and boring
stuff from developing highend websites.

I for one am very happy with this because I spent most of my PHP
development time fixing SQL injection bugs in peoples apps (writing
loads and loads of validation code) and creating admin interfaces for
websites that up to that point used nothing but phpMyAdmin to do the
administration of their sites.

If your going to use pure SQL instead, you don't just have to write
all those query's (in the long run, when using the API you'll end up
writing much less code), but will also have to write routines to clean
up the input into your app, while they are already part of the
framework

On Aug 13, 11:20 pm, "James Bennett" <[EMAIL PROTECTED]> wrote:
> On 8/13/07, Amirouche <[EMAIL PROTECTED]> wrote:
>
> > What do you mean, I can't understand.
>
> OK, suppose you are running an online store, so you have a database
> table "orders", which lists orders customers have placed, and another
> "addresses" which lists the addresses to ship the orders to. To
> calculate the shipping cost for an order, you need the total amount of
> the order and the address it ships to; calculating it with an
> application which does pure raw SQL looks like this:
>
> query = "SELECT orders.amount, addresses.address FROM orders INNER
> JOIN addresses ON addresses.id = orders.address_id WHERE orders.id =
> %s"
> cursor.execute(query, [23])
> row = cursor.fetchall()[0]
> shipping_amount = calculate_shipping(amount=row[0], address=row[1])
>
> Doing it with an ORM looks like this:
>
> order = Order.objects.get(id=23)
> shipping_amount = order.calculate_shipping()
>
> The fact that the ORM automatically gives you instances of
> domain-specific classes means that you immediately have access to your
> customized business logic, and that you can encapsulate it in those
> classes and rely on their availability, which improves the design of
> your code. It also significantly cuts down the amount of code you need
> to write, and makes it clearer what's going on: you're calculating the
> shipping price of Order #23.
>
> --
> "Bureaucrat Conrad, you are technically correct -- the best kind of correct."


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Re: Proper way to extend contrib.auth

[Collin Grady]

Copying the code out will not work. Nothing in django will be looking
in your new location, so your changes will be ignored.

If you absolutely must change the User model itself, you are stuck
with editing the django source directly.


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Re: error with Admin

[Collin Grady]

Do you have "django.contrib.admin" in INSTALLED_APPS?

Are the templates actually present in django/contrib/admin/
templates/ ?

Are the permissions on that directory and every directory above it
such that the webserver can read them?


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Re: Django database API - What is it good for?

[Collin Grady]

> >>> users = User.objects.filter(groups__contains="Staff") ?

This line doesn't work because "groups" is a ManyToManyField, not a
CharField, so __contains="Staff" doesn't make any sense.

Something like users = User.objects.filter(groups__name="Staff")
should work a little better :)


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Re: Debugging production site.

[Matt McClanahan]

On Aug 13, 2:11 pm, Merric Mercer <[EMAIL PROTECTED]> wrote:

> Is there anyway to trap the debug information - so it is logged - but
> not visible to users?

A good starting point is to use the ADMINS setting, which will give
you a way to receive error reports via e-mail when debugging is off:

http://www.djangoproject.com/documentation/settings/#admins

Matt


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Re: SlugField not prepopulating?

[MikeHowarth]

Thanks for such a quick reply Richard.

Yep think it was a combination of not displaying and also not having
an additional comma at the end of the prepopulate_from tuple.



On Aug 13, 10:26 pm, RichardH <[EMAIL PROTECTED]> wrote:
> Mike, welcome to Django.
> The prepopulate_from relies on Javascript in the admin pages, so only
> works in the site admin interface. However you have also set
> editable=False, so it will not be seen in the admin pages anyway.>From the 
> Model Reference documentation:
>
> "SlugField ... Accepts an extra option, prepopulate_from, which is a
> list of fields from which to auto-populate the slug, via JavaScript,
> in the object's admin form"
> What you need is the slugify function from
> django.template.defaultfilters in your save function to set the slug.
> or there is an alternative at:http://www.djangosnippets.org/snippets/168/
>
> Richard
>
> On Aug 13, 9:25 pm, MikeHowarth <[EMAIL PROTECTED]> wrote:
>
> > Hi
>
> > I was wondering whether anyone could help me, I just starting out with
> > Django and am attempting to write a simple web app. Ideally I'd like
> > to use a slug field populated based on the name of my product.
>
> > However the slug field is not being populated, my model looks like
> > this:
>
> > class Product(models.Model):
>
> > name = models.CharField(maxlength=255)
> > category = models.ForeignKey(Category)
> > slug =
> > models.SlugField(prepopulate_from=("name",),unique=True,editable=False)
> > description = models.TextField()
> > size = models.CharField(maxlength=50)
> > price = models.FloatField(max_digits=5, decimal_places=2)
> > delivery = models.ForeignKey(Delivery)
> > in_stock = models.BooleanField()
> > display = models.BooleanField()
> > pub_date = models.DateTimeField(editable=False)
>
> > def __str__(self):
> > return self.name
>
> > def save(self):
> > if not self.id:
> > self.pub_date = datetime.datetime.now()
> > super(Product, self).save()
>
> > Any help would be greatly appreciated


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Re: SlugField not prepopulating?

[RichardH]

Mike, welcome to Django.
The prepopulate_from relies on Javascript in the admin pages, so only
works in the site admin interface. However you have also set
editable=False, so it will not be seen in the admin pages anyway.
>From the Model Reference documentation:
"SlugField ... Accepts an extra option, prepopulate_from, which is a
list of fields from which to auto-populate the slug, via JavaScript,
in the object's admin form"
What you need is the slugify function from
django.template.defaultfilters in your save function to set the slug.
or there is an alternative at:
http://www.djangosnippets.org/snippets/168/

Richard


On Aug 13, 9:25 pm, MikeHowarth <[EMAIL PROTECTED]> wrote:
> Hi
>
> I was wondering whether anyone could help me, I just starting out with
> Django and am attempting to write a simple web app. Ideally I'd like
> to use a slug field populated based on the name of my product.
>
> However the slug field is not being populated, my model looks like
> this:
>
> class Product(models.Model):
>
> name = models.CharField(maxlength=255)
> category = models.ForeignKey(Category)
> slug =
> models.SlugField(prepopulate_from=("name",),unique=True,editable=False)
> description = models.TextField()
> size = models.CharField(maxlength=50)
> price = models.FloatField(max_digits=5, decimal_places=2)
> delivery = models.ForeignKey(Delivery)
> in_stock = models.BooleanField()
> display = models.BooleanField()
> pub_date = models.DateTimeField(editable=False)
>
> def __str__(self):
> return self.name
>
> def save(self):
> if not self.id:
> self.pub_date = datetime.datetime.now()
> super(Product, self).save()
>
> Any help would be greatly appreciated


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Re: Django database API - What is it good for?

[James Bennett]

On 8/13/07, Amirouche <[EMAIL PROTECTED]> wrote:
> What do you mean, I can't understand.

OK, suppose you are running an online store, so you have a database
table "orders", which lists orders customers have placed, and another
"addresses" which lists the addresses to ship the orders to. To
calculate the shipping cost for an order, you need the total amount of
the order and the address it ships to; calculating it with an
application which does pure raw SQL looks like this:

query = "SELECT orders.amount, addresses.address FROM orders INNER
JOIN addresses ON addresses.id = orders.address_id WHERE orders.id =
%s"
cursor.execute(query, [23])
row = cursor.fetchall()[0]
shipping_amount = calculate_shipping(amount=row[0], address=row[1])

Doing it with an ORM looks like this:

order = Order.objects.get(id=23)
shipping_amount = order.calculate_shipping()

The fact that the ORM automatically gives you instances of
domain-specific classes means that you immediately have access to your
customized business logic, and that you can encapsulate it in those
classes and rely on their availability, which improves the design of
your code. It also significantly cuts down the amount of code you need
to write, and makes it clearer what's going on: you're calculating the
shipping price of Order #23.


-- 
"Bureaucrat Conrad, you are technically correct -- the best kind of correct."

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Debugging production site.

[Merric Mercer]

I'm very occasionally getting errors reported to me on our production 
site by our members.   However,  we cannot replicate the problem ourself 
and because debugging is turned off the members are not giving me any 
real clues.

Is there anyway to trap the debug information - so it is logged - but 
not visible to users?

Many thanks

MerMer

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Re: Using Django to generate Flash/Flex content

[Amirouche]

On Aug 13, 8:59 pm, SamFeltus <[EMAIL PROTECTED]> wrote:
> Or, am I missing something and it is a bad idea?  I am curious what
> more experienced coders think?
>
> Sam the Gardener

I'm not experienced coder, but I don't think that it's a bad idea, but
it looks like it's not the primary purpose of Django, you have already
noticed that there isn't any ajax-love in the main source... but some
people are already thinking about Django+Flex some google search may
help you ;)


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Re: Django database API - What is it good for?

[Amirouche]

On Aug 13, 3:19 pm, "James Bennett" <[EMAIL PROTECTED]> wrote:
> On 8/13/07, sagi s <[EMAIL PROTECTED]> wrote:
>
> > Surely not. It is... darn - Can I just use SQL and be done with it?
>
> Of course.
>
> But keep in mind that, when programming in an object-oriented
> language, it's often more useful to get back a set of domain-specific
> objects -- which requires using Django's ORM -- than to get back a
> list of tuples, which is what a simple SQL query would give you.

What do you mean, I can't understand.

Thanks in advance


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error with Admin

[john]

I am just working on my first project.  I successfully created a
couple of models but get the following error when I poin the browser
at /admin/  Any ideas ?  thks.  Running on Ubuntu Feisty w/ .96
backport.

TemplateDoesNotExist at /admin/
admin/login.html
Request Method: GET
Request URL:http://127.0.0.1:8000/admin/
Exception Type: TemplateDoesNotExist
Exception Value:admin/login.html
Exception Location: /usr/lib/python2.5/site-packages/django/template/
loader.py in find_template_source, line 72
Template-loader postmortem

Django tried loading these templates, in this order:

* Using loader
django.template.loaders.filesystem.load_template_source:
* Using loader
django.template.loaders.app_directories.load_template_source:

Traceback (innermost last)
Switch to copy-and-paste view

* /usr/lib/python2.5/site-packages/django/core/handlers/base.py in
get_response
70. # Apply view middleware
71. for middleware_method in self._view_middleware:
72. response = middleware_method(request, callback,
callback_args, callback_kwargs)


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SlugField not prepopulating?

[MikeHowarth]

Hi

I was wondering whether anyone could help me, I just starting out with
Django and am attempting to write a simple web app. Ideally I'd like
to use a slug field populated based on the name of my product.

However the slug field is not being populated, my model looks like
this:

class Product(models.Model):

name = models.CharField(maxlength=255)
category = models.ForeignKey(Category)
slug =
models.SlugField(prepopulate_from=("name",),unique=True,editable=False)
description = models.TextField()
size = models.CharField(maxlength=50)
price = models.FloatField(max_digits=5, decimal_places=2)
delivery = models.ForeignKey(Delivery)
in_stock = models.BooleanField()
display = models.BooleanField()
pub_date = models.DateTimeField(editable=False)

def __str__(self):
return self.name

def save(self):
if not self.id:
self.pub_date = datetime.datetime.now()
super(Product, self).save()

Any help would be greatly appreciated


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Re: doctest and response.template and response.context problem

[eXt]

Oops.. My fault here. I just realized that everything is ok with
tests, problem was with my ./manage.py shell session. Solution is to
call:

>>> from django.test.utils import setup_test_environment

>>> setup_test_environment()

Thanks for your help.
Jakub

On 13 Sie, 20:31, eXt <[EMAIL PROTECTED]> wrote:
> Yes, I know that. I use ./manage.py test. I'll add that my django is
> latest version from trunk. Any more hints?
>
> Jakub
>
> On 13 Sie, 13:19, "Russell Keith-Magee" <[EMAIL PROTECTED]>
> wrote:
>
> > On 8/13/07, eXt <[EMAIL PROTECTED]> wrote:
>
> > > So here is a template and a context. Why I can't access it in my
> > > doctest via response.template and response.context?
>
> > How are you running your doctest?
>
> > In order to capture the template rendering details, Django needs to
> > add some instrumentation to the template rendering system. If you run
> > your tests using ./manage.py test, this instrumentation is added
> > automatically. If the instrumentation isn't installed (for example, if
> > you are manually running your doctest), you will get 'no template, no
> > context' returned through the test system.
>
> > Yours,
> > Russ Magee %-)


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Great new Website

[pupsi]

http://www.pennergame.de/ref.php?uid=4762


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Win 3000 Dollar evey month

[ANiME.GiRL.88]

Dear



I recently joined AGLOCO because of a friend recommended it to me. I
am now promoting it to you because I like the idea and I want you to
share in what I think will be an exciting new Internet concept.



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panel and lay it on us.


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Win 3000 dollar

[ANiME.GiRL.88]

Dear



I recently joined AGLOCO because of a friend recommended it to me. I
am now promoting it to you because I like the idea and I want you to
share in what I think will be an exciting new Internet concept.



AGLOCO's story is simple:



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much of that money are you making? NONE!



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AGLOCO collects money from those companies on behalf of its members.
(For example, Google currently pays AOL 10 cents for every Google
search by an AOL user. And Google still has enough profit to pay $1.6
billion dollars for YouTube, an 18-month old site full of content that
YouTube's users did not get paid for!



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Thanks








Fussy? Opinionated? Impossible to please? Perfect. Join Yahoo!'s user
panel and lay it on us.


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Re: Feed question

[[EMAIL PROTECTED]]

That looks like it... thanks!

On Aug 12, 8:10 pm, Collin Grady <[EMAIL PROTECTED]> wrote:
> http://www.djangoproject.com/documentation/syndication_feeds/#a-compl...
>
> The example here is pretty much what you want, you just need to change
> how you lookup the objects for the feed.


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Repair Your (Microsoft) Operating System

[John Travolta]

Windows XP tips and tricks. Learn how to bypass very common windows
problems, to speed up your system and make it more reliable with useful tips
and tricks.

http://windowsxpsp2pro.blogspot.com

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Multiple primary keys

[Lars Stavholm]

Hi all,

first of all: django rocks! I'm a database application developer
and not a web developer. I'm not even fluent in python. Despite
that, the django framework has made it possible for me to develop
web based database applications with relative ease. And, I can
use the model and the database api for native applications using
WxPython. This is really great and this got to be the most productive
environment ever. This is what the 4GL languages tried to accomplish
back in the 90's, and they all failed miserably.

However, there's one significant piece I'm missing when introspecting
old database applications and trying to create new user interfaces
for them, and that's the lack of multiple fields in the primary key
for a table.

I know that this has been discussed on this list, but what I would
like to know now is: is there any effort going into creating the
"multiple fields in the primary key" feature at all? If so, is there
anything I could do to help, short of trying to implement it myself,
which I doubt that I'll be able to?

Any input appreciated.
/Lars


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Re: Django database API - What is it good for?

[James Bennett]

On 8/13/07, sagi s <[EMAIL PROTECTED]> wrote:
> Surely not. It is... darn - Can I just use SQL and be done with it?

Of course.

But keep in mind that, when programming in an object-oriented
language, it's often more useful to get back a set of domain-specific
objects -- which requires using Django's ORM -- than to get back a
list of tuples, which is what a simple SQL query would give you.

-- 
"Bureaucrat Conrad, you are technically correct -- the best kind of correct."

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Django database API - What is it good for?

[sagi s]

I've been playing around with Django for a couple of weeks.

I'm finding myself spending most of my type tinkering with the
Database API to try to wrestle the information I need out of my
database.

At this point it looks to me like I have replaced one set of
incantations (SQL) for another (Database API's query languages).

I must be missing the point coz I'm starting the miss SQL...

For example I want to get all the Users belonging to the "Staff" Group
(User and Group are Django models so it's not like I'm laying out my
models poorly).

Is it:

>>> users = User.objects.filter(groups__contains="Staff") ?

Surely not. It is... darn - Can I just use SQL and be done with it?

Sorry if I'm iconoclasting stuff here.


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Re: doctest and response.template and response.context problem

[eXt]

Yes, I know that. I use ./manage.py test. I'll add that my django is
latest version from trunk. Any more hints?

Jakub

On 13 Sie, 13:19, "Russell Keith-Magee" <[EMAIL PROTECTED]>
wrote:
> On 8/13/07, eXt <[EMAIL PROTECTED]> wrote:
>
>
>
> > So here is a template and a context. Why I can't access it in my
> > doctest via response.template and response.context?
>
> How are you running your doctest?
>
> In order to capture the template rendering details, Django needs to
> add some instrumentation to the template rendering system. If you run
> your tests using ./manage.py test, this instrumentation is added
> automatically. If the instrumentation isn't installed (for example, if
> you are manually running your doctest), you will get 'no template, no
> context' returned through the test system.
>
> Yours,
> Russ Magee %-)


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Re: Disabling python-caching with mod_python, Apache 2.2

[[EMAIL PROTECTED]]

Thank you, Ethan.



On Aug 13, 8:02 pm, Ethan Miller <[EMAIL PROTECTED]> wrote:
> On 8/13/07 10:55 AM, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> wrote:
>
> > However, it seems like the requested pages are cached. Not in the
> > regular way though, it is as though the compiled Python procedures are
> > compiled, while the data is still up to date.
>
> > I'm wondering if this is a problem with mod_python and does anyone
> > know how to turn this "python-caching" off?
>
> Check this 
> section:http://www.djangoproject.com/documentation/modpython/#running-a-devel...
> server-with-mod-python
>
> If you don't have enough privileges to restart or configure Apache (like me
> on a dreamhost acct) you can also kill your python process 'pkill python'
>
> - Ethan


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Re: application/xhtml+xml MIME won't take

[TheMaTrIx]

For the site in question yes.
It'll be an intranet site where only a tested version of Firefox is
allowed for web browsing and they demanded the latest stable versions
of all standards to be used.

And for other sites where xhtml 1.1 is wanted, I'm planning to use a
middleware that'll dynamically change the header depending on the
browser.
And for why we won't use that on this site is that its another trap
for users to see if they didn't tamper with the computers they worked
on and installed an app that isn't allowed by company policy.
Most of the previous work I did for this company is design ADS
policy's and scripts to make sure people don't change anything on
these workstations, if they call up to say their "browser" gives a
download prompt instead of giving the intranet site, the helpdesk
techies only need to go over there and slap them over the head instead
of wondering why some users are complaining that some parts of the
site doesn't work.

The idea there is that once they log off a computer, it needs to be as
if no one ever worked on it since its completely Gigabit connected in
there, installing apps at login is about as transparent as loading a
roaming profile.
All their personal stuff is loaded at login, including apps they
specifically might need, apps that can run of the network (office for
example) are mounted at login.

For me personally the idea has always been to stay on the stable edge
of the standards. I've always done this with php in the past and I'll
do the same in the future with Django.


On Aug 13, 7:09 pm, "John Lenton" <[EMAIL PROTECTED]> wrote:
> On 8/13/07, TheMaTrIx <[EMAIL PROTECTED]> wrote:
>
>
>
> > I'm developing a site that needs to be xhtml 1.1, my page validates
> > just fine except that the server keeps spitting it out as text/html
> > instead of application/xhtml+xml.
>
> > How the heck do I make django set application/xhtml+xml for the pages
> > it serves?
>
> > I tried changing the text/html entry in my mime.types file for apache
> > to application/xhtml+xml but that does squat.
>
> do you want to do that, given that a large portion of your (average)
> clients will now get a download dialog instead of a web page?
>
> --
> John Lenton ([EMAIL PROTECTED]) -- Random fortune:
> The trouble with a lot of self-made men is that they worship their creator.


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Using Django to generate Flash/Flex content

[SamFeltus]

I was wondering if there was any work on the web to use Django to
generate Flash and Flex content, instead of HTML content?   Flash is
rapidly evolving into a more technologically advanced web display
technology.  HTML rules for text, but is pretty much useless for
displaying other sorts of ideas and information.  I've rolled my own
experiments for generating/editing Flash content in TurboGears and
Django, and it seems a natural way to supplement the assorted Flash
content creation tools.

Maybe I am missing something, but it seems like a large gap in the
Python web stack.

Sam the Gardener

http://samfeltus.com


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Re: Disabling python-caching with mod_python, Apache 2.2

[Ethan Miller]

On 8/13/07 10:55 AM, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
wrote:

> However, it seems like the requested pages are cached. Not in the
> regular way though, it is as though the compiled Python procedures are
> compiled, while the data is still up to date.
> 
> I'm wondering if this is a problem with mod_python and does anyone
> know how to turn this "python-caching" off?

Check this section:
http://www.djangoproject.com/documentation/modpython/#running-a-development-
server-with-mod-python

If you don't have enough privileges to restart or configure Apache (like me
on a dreamhost acct) you can also kill your python process 'pkill python'

- Ethan


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Re: basic testing procedure?

[Tim Chase]

> self.assertEquals(list(self.movie.details_genre.all()), "[ Action-Komödie>, ]")
> ...
> 
> output:
> AssertionError: [, ] !
> = '[,  \xc3\xb6die>]'

First, it looks like you're comparing a list of objects to a string.

I'm not sure if QuerySets override the magic method to determine 
if they're equal.  However, it should be fairly trivial:

   genres = self.movie.details_genre.all()
   expected_results = ['Action-Komödie', 'Komödie']

   for genre, test in zip(genres, expected_results):
 self.assert(genere.description == test)


This assumes they'll always come back in the same order.  To be 
sure, you may want to either stick a Meta class in your model. 
Or you could do something like

   allowed_results = set(['Action-Komödie', 'Komödie'])

   for genre in genres:
 self.assert(genere.description in allowed_results)

depending on what you're trying to test.

-tim










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Re: SQL problem : how to use id thats autoincremented in statement

[Carl Karsten]

[EMAIL PROTECTED] wrote:
> hi all,
> 
> i have a problem with the current project i am working on.actual thr's
> a table X with a field ID(autoincrement) and a field  named HASH.which
> is md5 of the id.now should i have to make two queries ..first one to
> find out whats going to be next id and then insert the hash of it ..or
> there is anotherway to do it.In SQL it world fine if i execute
> following statement :
> 
> SET @max_id=(SELECT max(ID) from table_X);insert into table_X(HASH)
> values(md5(@max_id+1));
> 
> so please tell me a good solution ..i don't want to query two time.btw
> i am using mysql as database backend.

A good solution is somewhat dependent on understanding the problem.  Why do you 
need to store an md5 of the ID?

a shot in the dark solution is: create a db trigger SET hash = md5(id) (not 
sure 
exactly the trigger syntax, but mysql does have an md5: 
http://dev.mysql.com/doc/refman/5.1/en/encryption-functions.html#function_md5

Carl K

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Disabling python-caching with mod_python, Apache 2.2

[[EMAIL PROTECTED]]

Recently I begun using Apache instead of the debugging server that
comes with Django. After having a rough time configuring and
successfully installing mod_python and Django, my projects are once
again working.

However, it seems like the requested pages are cached. Not in the
regular way though, it is as though the compiled Python procedures are
compiled, while the data is still up to date.

I'm wondering if this is a problem with mod_python and does anyone
know how to turn this "python-caching" off?
For your information, it doesn't happen with the Django "runserver".


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Re: no cookie vs. expired cookie

[Bob T.]

> Basically, I want a different message for people that presumably have
> never seen the site, and those that just need to login again.

Could you use two cookies, one that doesn't expire that let's you know
that they've been to the site, and another that expires in 2 weeks?

Bob


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Re: application/xhtml+xml MIME won't take

[John Lenton]

On 8/13/07, TheMaTrIx <[EMAIL PROTECTED]> wrote:
>
> I'm developing a site that needs to be xhtml 1.1, my page validates
> just fine except that the server keeps spitting it out as text/html
> instead of application/xhtml+xml.
>
> How the heck do I make django set application/xhtml+xml for the pages
> it serves?
>
> I tried changing the text/html entry in my mime.types file for apache
> to application/xhtml+xml but that does squat.

do you want to do that, given that a large portion of your (average)
clients will now get a download dialog instead of a web page?

-- 
John Lenton ([EMAIL PROTECTED]) -- Random fortune:
The trouble with a lot of self-made men is that they worship their creator.

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SQL problem : how to use id thats autoincremented in statement

[[EMAIL PROTECTED]]

hi all,

i have a problem with the current project i am working on.actual thr's
a table X with a field ID(autoincrement) and a field  named HASH.which
is md5 of the id.now should i have to make two queries ..first one to
find out whats going to be next id and then insert the hash of it ..or
there is anotherway to do it.In SQL it world fine if i execute
following statement :

SET @max_id=(SELECT max(ID) from table_X);insert into table_X(HASH)
values(md5(@max_id+1));

so please tell me a good solution ..i don't want to query two time.btw
i am using mysql as database backend.

Gaurav verma


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Re[2]: XML output

[Alex Nikolaenkov]

Daniel,

> I think you're wrong on this one ...unfortunately :) XSLT 2 and XPath
> 2 are mighty things...

Yeah. Checked. Just a rumor. I was so excited when heard that for the
first time. However files can be processed by the third-party
application supporting the 2.0 standard (Saxon f.e.)


-- 
Best regards,
 Alex  mailto:[EMAIL PROTECTED]


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Re: XML output

[Daniel Kvasnicka jr.]

On Aug 12, 7:18 am, Alex Nikolaenkov <[EMAIL PROTECTED]> wrote:
> You wrote 12 ??? 2007 ?., 1:41:39:
>
> > Alex Nikolaenkov <[EMAIL PROTECTED]> writes:
> >> Hello guys,
> >> I like just about everything in django, but at this point of me reading 
> >> django
> >> book I can't imagine the way of xmlizing django.
>
> >> Is there a way to use XSLT templates instead of standard django
> >> template language?
> > I have some stuff that is being used for a big project. Works quite
> > well...
>
> Hehe... I've heard that python already supports XSLT 2 & XPATH 2.

I think you're wrong on this one ...unfortunately :) XSLT 2 and XPath
2 are mighty things...

> very convenient to to use these standards. BTW does python support
> XQuery, XInclude, XLink, XPointer and stuff like that?

4Suite supports all the techs you mentioned, except XQuery I think. It
also supports XUpdate.
XInclude is also supported by lxml, maybe some others support it.


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application/xhtml+xml MIME won't take

[TheMaTrIx]

I'm developing a site that needs to be xhtml 1.1, my page validates
just fine except that the server keeps spitting it out as text/html
instead of application/xhtml+xml.

How the heck do I make django set application/xhtml+xml for the pages
it serves?

I tried changing the text/html entry in my mime.types file for apache
to application/xhtml+xml but that does squat.


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Re: Re[2]: XML output

[mcburton]

> Hehe... I've heard that python already supports XSLT 2 & XPATH 2. It's
> very convenient to to use these standards. BTW does python support
> XQuery, XInclude, XLink, XPointer and stuff like that?

Are you sure about XSLT 2 and XPATH 2? I haven't seen version 2
support in python, only XSLT and XPATH version 1.

If XPATH 2 does exist than its not much of a leap to XQuery

mcb.

On 8/12/07, Alex Nikolaenkov <[EMAIL PROTECTED]> wrote:
>
> You wrote 12 ??? 2007 ?., 1:41:39:
>
> > Alex Nikolaenkov <[EMAIL PROTECTED]> writes:
>
> >> Hello guys,
> >> I like just about everything in django, but at this point of me reading 
> >> django
> >> book I can't imagine the way of xmlizing django.
> >>
> >> Is there a way to use XSLT templates instead of standard django
> >> template language?
>
> > I have some stuff that is being used for a big project. Works quite
> > well...
> Hehe... I've heard that python already supports XSLT 2 & XPATH 2. It's
> very convenient to to use these standards. BTW does python support
> XQuery, XInclude, XLink, XPointer and stuff like that?
>
> > But big project is nearing completion so I don't have much time right
> > now to upload it to snippetts.
>
> It will be perfect if you upload your solutions sometime. Good ideas
> should be shared.
>
> --
> Best regards,
>  Alex  mailto:[EMAIL PROTECTED]
>
>
> >
>

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Re: basic testing procedure?

[patrickk]

thanks. that works.

now I´m getting an error due to some unicode related stuff:

...
self.assertEquals(list(self.movie.details_genre.all()), "[, ]")
...

output:
AssertionError: [, ] !
= '[, ]'

thanks,
patrick

On 13 Aug., 17:03, Tim Chase <[EMAIL PROTECTED]> wrote:
> > now, I just ran into a problem with unittests:
>
> > ...
> > self.assertEquals(self.movie.details_country.all(), [])
> > ...
>
> > the output is:
> > AssertionError: [] != []
>
> > isn´t that supposed to work?
>
> all() returns a queryset object that has list-like behaviors.
> However, it isn't a list and thus (as you discovered) likely has
> trouble when testing for equality with a list-object.  You can
> try either
>
> self.assertEquals(list(self.movie.details_country.all()), [])
>
> or something like
>
> self.assertEquals(self.movie.details_country.count(), 0)
>
> -tim


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Re: basic testing procedure?

[patrickk]

using doctests works fine so far.
now, I just ran into a problem with unittests:

...
self.assertEquals(self.movie.details_country.all(), [])
...

the output is:
AssertionError: [] != []

isn´t that supposed to work?

thanks,
patrick


On 13 Aug., 13:14, "Russell Keith-Magee" <[EMAIL PROTECTED]>
wrote:
> On 8/13/07, patrickk <[EMAIL PROTECTED]> wrote:
>
>
>
> > thanks russ.
>
> > is it possible to make the testing-output more verbose? I tried "-v",
> > but that doesn´t work. It´d be nice to see what tests have been
> > running and what the output is (more than just "OK").
>
> --verbosity=[0|1|2]. It's in the help when you run ./manage.py.
>
> > in the django-docs it says, that doctests provide automatic
> > documentation. what exactly does that mean? does it refer to the tests
> > written within the model or is it possible to generate some output
> > (html-file)?
>
> > concerning the django-docs:
> > from my point of view, the description of where to define the tests is
> > not easy to understand.
> > e.g., it says "You can put doctest strings on any object in your
> > models.py, but it's common practice to put application-level doctests
> > in the module docstring, and model-level doctests in the docstring for
> > each model."
> > whats the "module docstring"?
>
> Erm... the docstring for the module:
>
> http://www.python.org/dev/peps/pep-0257/
>
> We need to walk a fine line here. If Python's documentation was poor,
> there would be a good argument to be made here, but Python has
> extensive documentation on the doctest and unittest modules. There
> really isn't anything served by us duplicating Python's documentation
> - in fact, it could be considered detrimental, because it suggests
> that Django's test framework is somehow different to Python's.
>
> > one more issue:
> > with our server-setup, it´s much easier to define a seperate user for
> > the test-database (instead of using the user from the production-
> > database). is that possible?
>
> Not at present. The test framework uses the main database login to get
> access so it can create the test database; moving this into a separate
> user could pose some interesting difficulties. I'm also hesitant to
> start duplicating all the DB related settings to handle a test login.
>
> Yours,
> Russ Magee %-)


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Re: How to rewrite SQL for Django

[Pythoni]

On Aug 13, 2:45 am, Collin Grady <[EMAIL PROTECTED]> wrote:
> You cannot. Django does not do aggregates like GROUP BY yet. You will
> have to use manual sql to get those values.

Thanks for your reply.
But how to use sql together with Django so that I can use advantages
of paginator?

L.


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Re: problems with i18n

[koenb]

Hi Heba,

I just tried your project with django trunk r5881: I put everything in
a folder, modified the settings to use sqlite3, created a db, did
manage.py syncdb.
Then I started the development server, looked at 127.0.0.1:8000 and it
seems to work just fine.

What django version are you using ?

Koen


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Re: Static data on django

[Tim Chase]

> I'm quite new to django, but I'm rather confident that I have looked
> for it pretty well. Feel free to yell, if I'm asking a stupid
> question.

We'll, you've at least learned somewhere that Django shouldn't be 
handling your media...that's at least something :)

> I cannot understand how I can tell django that /images (for example)
> is an images folder, located at, say, /home/guruyaya/images/ and no
> object should handle it. Is there a way to do that? or do I have to
> create a subdomain for static media on my site?

While Django *can* serve static files, it's not recommended.  To 
do otherwise, you need to configure your *webserver* to handle 
those files:

http://www.djangoproject.com/documentation/static_files/

For mod_python on Apache, instructions are here:

http://www.djangoproject.com/documentation/modpython/#serving-media-files

And for lighttpd+FastCGI:

http://www.djangoproject.com/documentation/fastcgi/#lighttpd-setup

-tim





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Re: Static data on django

[[EMAIL PROTECTED]]

Ok, I think I got it. django.views.static.serve. I think I can work it
out from here.

On Aug 13, 4:11 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote:
> I'm quite new to django, but I'm rather confident that I have looked
> for it pretty well. Feel free to yell, if I'm asking a stupid
> question.
> I cannot understand how I can tell django that /images (for example)
> is an images folder, located at, say, /home/guruyaya/images/ and no
> object should handle it. Is there a way to do that? or do I have to
> create a subdomain for static media on my site?
> Thanks in advance
> Yair


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Static data on django

[[EMAIL PROTECTED]]

I'm quite new to django, but I'm rather confident that I have looked
for it pretty well. Feel free to yell, if I'm asking a stupid
question.
I cannot understand how I can tell django that /images (for example)
is an images folder, located at, say, /home/guruyaya/images/ and no
object should handle it. Is there a way to do that? or do I have to
create a subdomain for static media on my site?
Thanks in advance
Yair


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Re: Proper way to extend contrib.auth

[Grégoire]

Thanks ! Pretty clever :)

Unfortunately it will not work with my application because I need to
change the validator on username. Sounds like I have to use the 2nd
solution until model subclassing works.

On Aug 13, 2:29 pm, Carl Karsten <[EMAIL PROTECTED]> wrote:
> Grégoire wrote:
> > Hello,
>
> > I would like to extend some functionnalities of contrib.auth,
> > especially in the User model.
>
> > The objective is to do something clean without hacking django's source
> > code. My first idea was to create a new auth application (e.g. myauth)
> > and create a new User class in there extending the
> > contrib.auth.models.User class. Unfortunately, it doesn't work at all:
> > django does not find the other models obviously. I added them by hand,
> > then added the relationships to have all the tables and finally
> > realized that it doesn't work with the admin interface :(
>
> > So, what's the good way to add some fields to the User model and
> > change some validators? Maybe the only solution is to copy the code
> > from contrib.auth and contrib.admin into new applications and start
> > from it...
>
> > Thanks in advance for any advices !
>
> > Grégoire
>
> http://www.b-list.org/weblog/2006/06/06/django-tips-extending-user-model
>
> Carl K


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Re: Proper way to extend contrib.auth

[Carl Karsten]

Grégoire wrote:
> Hello,
> 
> I would like to extend some functionnalities of contrib.auth,
> especially in the User model.
> 
> The objective is to do something clean without hacking django's source
> code. My first idea was to create a new auth application (e.g. myauth)
> and create a new User class in there extending the
> contrib.auth.models.User class. Unfortunately, it doesn't work at all:
> django does not find the other models obviously. I added them by hand,
> then added the relationships to have all the tables and finally
> realized that it doesn't work with the admin interface :(
> 
> So, what's the good way to add some fields to the User model and
> change some validators? Maybe the only solution is to copy the code
> from contrib.auth and contrib.admin into new applications and start
> from it...
> 
> Thanks in advance for any advices !
> 
> Grégoire

http://www.b-list.org/weblog/2006/06/06/django-tips-extending-user-model

Carl K

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Proper way to extend contrib.auth

[Grégoire]

Hello,

I would like to extend some functionnalities of contrib.auth,
especially in the User model.

The objective is to do something clean without hacking django's source
code. My first idea was to create a new auth application (e.g. myauth)
and create a new User class in there extending the
contrib.auth.models.User class. Unfortunately, it doesn't work at all:
django does not find the other models obviously. I added them by hand,
then added the relationships to have all the tables and finally
realized that it doesn't work with the admin interface :(

So, what's the good way to add some fields to the User model and
change some validators? Maybe the only solution is to copy the code
from contrib.auth and contrib.admin into new applications and start
from it...

Thanks in advance for any advices !

Grégoire


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Re: Pygments + Markdown

[Kai Kuehne]

Oh and if you disable markdown, beautifulsoup won't find
a code-tag to highlight with pygments.

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HEALTHY LIFESTYLE !!! ®®®

[Info 4 Today (^_^)]

Do you know anyone who plays computer all the time? 
Perhaps their personal relationships, work and social life are suffering due to 
their desire to constantly play computer? 
If this is the case, this person you know may have a computer addiction.

http://www.info-computeraddiction.ibiz2u.com

This email message was sent specially for:
"__(^0^)__" django-users@googlegroups.com (^_^)

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Re: doctest and response.template and response.context problem

[Russell Keith-Magee]

On 8/13/07, eXt <[EMAIL PROTECTED]> wrote:
>
> So here is a template and a context. Why I can't access it in my
> doctest via response.template and response.context?

How are you running your doctest?

In order to capture the template rendering details, Django needs to
add some instrumentation to the template rendering system. If you run
your tests using ./manage.py test, this instrumentation is added
automatically. If the instrumentation isn't installed (for example, if
you are manually running your doctest), you will get 'no template, no
context' returned through the test system.

Yours,
Russ Magee %-)

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Re: basic testing procedure?

[Russell Keith-Magee]

On 8/13/07, patrickk <[EMAIL PROTECTED]> wrote:
>
> thanks russ.
>
> is it possible to make the testing-output more verbose? I tried "-v",
> but that doesn´t work. It´d be nice to see what tests have been
> running and what the output is (more than just "OK").

--verbosity=[0|1|2]. It's in the help when you run ./manage.py.

> in the django-docs it says, that doctests provide automatic
> documentation. what exactly does that mean? does it refer to the tests
> written within the model or is it possible to generate some output
> (html-file)?
>
> concerning the django-docs:
> from my point of view, the description of where to define the tests is
> not easy to understand.
> e.g., it says "You can put doctest strings on any object in your
> models.py, but it's common practice to put application-level doctests
> in the module docstring, and model-level doctests in the docstring for
> each model."
> whats the "module docstring"?

Erm... the docstring for the module:

http://www.python.org/dev/peps/pep-0257/

We need to walk a fine line here. If Python's documentation was poor,
there would be a good argument to be made here, but Python has
extensive documentation on the doctest and unittest modules. There
really isn't anything served by us duplicating Python's documentation
- in fact, it could be considered detrimental, because it suggests
that Django's test framework is somehow different to Python's.

> one more issue:
> with our server-setup, it´s much easier to define a seperate user for
> the test-database (instead of using the user from the production-
> database). is that possible?

Not at present. The test framework uses the main database login to get
access so it can create the test database; moving this into a separate
user could pose some interesting difficulties. I'm also hesitant to
start duplicating all the DB related settings to handle a test login.

Yours,
Russ Magee %-)

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Pygments + Markdown

[Evan H. Carmi]

Hi,

I am trying setup pygments and markdown described here:
http://www.unessa.net/en/hoyci/2006/11/highlighting-code-using-pygments-and-beautiful-soup/

My Model.py is:
(Also here http://dpaste.com/hold/16731/)
-
from django.db import models
import datetime

# Create your models here.

class Tag(models.Model):
slug = models.SlugField(
prepopulate_from=("name",),
help_text='Automatically prepopulated from name',
)
name = models.CharField(maxlength=30)
description = models.TextField(
help_text='Short summary of this tag'
)
def __str__(self):
return self.name

def get_absolute_url(self):
return "/blog/tag/%s/" % self.slug

class Admin:
list_display = ('name', 'slug', )
search_fields = ('name', 'description',)

class Entry(models.Model):
title = models.CharField(maxlength=255, core=True,
unique_for_date="pub_date")
pub_date = models.DateTimeField(core=True)
slug = models.SlugField(maxlength=30, prepopulate_from= ['title'])
body = models.TextField(core=True, help_text='Use http://daringfireball.net/projects/markdown/syntax;>Markdown-syntax')
body_html = models.TextField(blank=True, null=True)
use_markdown = models.BooleanField(default=True)
tags = models.ManyToManyField(Tag,
filter_interface=models.HORIZONTAL)

class Admin:
fields = (
(None, {'fields': ('slug', 'title', 'tags',
'use_markdown', 'pub_date', 'body', 'body_html',)}),
)

def __str__(self):
return self.title

def get_absolute_url(self):
return "/blog/%s/%s/" %
(self.pub_date.strftime("%Y/%m/%d").lower(), self.slug)

#from
http://www.unessa.net/en/hoyci/2006/11/highlighting-code-using-pygments-and-beautiful-soup/

def _highlight_python_code(self):
from pygments import highlight
from pygments.lexers import PythonLexer
from pygments.formatters import HtmlFormatter
from BeautifulSoup import BeautifulSoup

soup = BeautifulSoup(self.body)
python_code = soup.findAll("code")

if self.use_markdown:
import markdown

index = 0
for code in python_code:
code.replaceWith('mark %i' % index)
index = index+1

markdowned = markdown.markdown(str(soup))
soup = BeautifulSoup(markdowned)
markdowned_code = soup.findAll("p", "python_mark")

index = 0
for code in markdowned_code:

code.repalceWith(highlight(python_code[index].renderContents(),
PythonLexer(), HtmlFormatter()))
index = index+1
else:
for code in python_code:
code.replaceWith(highlight(code.string,
PythonLexer(), HtmlFormatter()))

return str(soup)

def save(self):
import markdown
self.body_html = self._highlight_python_code()
super(Entry,self).save()

-

If I create an entry with use_markdown True, and body:
this is a regular paragraph
`print "hello world"`

the body_html is:

this is a regular paragraph
   print hello world



If I create an entry with use_markdown False, and body:
this is a regular paragraph
print "hello world"

the body_html is:

this is a regular paragraph
print hello world


I want markdown to find my code blocks or code spans and then let them
be colored by pygments. If I turn use_markdown to False, pygments works.
If it is True, pygments doesn't work.

Maybe there is a problem with the replaceWith() markdowned_code and it
isn't getting changed in soup, which is then returned.



Thanks,
Evan

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Re: context processors execution

[Matt Davies]

Hi James

can yo ucopy the rest of the email in mate, I'm not sure what my poitn was
going to be without seeing it :-)

Lots going on.



On 13/08/07, james_027 <[EMAIL PROTECTED]> wrote:
>
>
> hi Matt,
>
> On Aug 13, 3:13 pm, "Matt Davies" <[EMAIL PROTECTED]> wrote:
> > James, are you talking about putting a context processor into the
> > settings.py file?
> >
>
> yes, and also context processor called as argument on views by
> ContextRequest()
>
> Thanks
> james
>
>
> >
>

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doctest and response.template and response.context problem

[eXt]

Hi

  I have a doctest which says:

"""
>>> from django.test.client import Client
>>> c.login(username='testuser', password='testpw')
True

Now we go to the sample page

>>> response = c.get('/app/sample_page/')
>>> response.status_code
200

So far so good but...

>>> response.template

>>> response.template.name

Traceback (most recent call
last)

/home/ext/workingenvs/django2.5/src/projects/oms_dystrybutor/ in ()

: 'NoneType' object has no attribute
'name'

>>> print response.template
None

The same for context:

>> response.context

>> print response.context
None
"""

My app/sample_page view which is called above ends with:

return render_to_response('app/sample_page.html',
  {'form': form.as_table(),
   'opts': User._meta,
   'message':message,
   'glob_err_message':error_message},
 
context_instance=RequestContext(request))

So here is a template and a context. Why I can't access it in my
doctest via response.template and response.context?

regards

--
Jakub Wiśniowski


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Re: RSS2 feeds and overwriting the item description

[vanderkerkoff]

I found it

One of our developers had created a file called
latestnews_description.html in the feeds folder.

This was outputting the body.

I've now added description_template into all the feeds and either used
a generic {{ obj.body_html }} or some other type of output depending
on the nature of the data.



On Aug 13, 9:07 am, "Matt Davies" <[EMAIL PROTECTED]> wrote:
> I have a feeds dictionary prepared like this in my urls.py
>
> feeds = {
> 'latestdocuments': LatestDocuments,
> 'latestevents': LatestEvents,
> 'latestnews': LatestNews,
> 'latestnotices': LatestNotices,
> 'latestpages': LatestPages,
> 'latestphotos': LatestPhotos,
> 'latestjobs': LatestJobs,
>
> }
>
> and one urlpattern that describes feeds like this
>
> urlpatterns += patterns('',
> (r'^feeds/(?P.*)/$', 'django.contrib.syndication.views.feed',
> {'feed_dict': feeds}),
> )
>
> I have a news application, in it the definition of Post, a single item,
> returns this.
>
> def __unicode__(self):
> return self.title
>
> I have a feeds.py file in the application that looks like this
>
> class LatestNews(Feed):
> feed_type = Rss201rev2Feed
> title = "Inform News"
> link = "/news/"
> description = "News from Inform as it happens"
>
> def items(self):
> return Post.objects.filter(approved=1).order_by('-created_at')[:5]
>
> So when I go to my link, which is
>
> http://reinform.isd.glam.ac.uk/feeds/latestnews/
>
> I get my rss2 feed.
>
> But in the news feed, the item description in the xml is being filled with
> the body of the single Post item.  If you look at the raw xml output you'll
> see what I mean.
>
> Now this is what I want.
>
> In all the other applications though, I've used the same code in their
> respective feeds files, but the other apps show the title of the item in the
> item description node of the raw xml ouput.
>
> Has anyone got any ideas why this is happening?
>
> All the apps have body fields in them and are using this return in their
> models file.
>
> def __unicode__(self):
> return self.title
>
> Any help would be greatly appreciated.


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Re: basic testing procedure?

[eXt]

On 13 Sie, 09:48, patrickk <[EMAIL PROTECTED]> wrote:
> thanks russ.
>
> is it possible to make the testing-output more verbose? I tried "-v",
> but that doesn´t work. It´d be nice to see what tests have been
> running and what the output is (more than just "OK").
./manage.py test --verbosity 2 (or 1 or 0)

> in the django-docs it says, that doctests provide automatic
> documentation. what exactly does that mean? does it refer to the tests
> written within the model or is it possible to generate some output
> (html-file)?
I think it says automatic because doctests contain not only code but
also some textual descriptions.
Take a look at: 
http://svn.zope.org/zope.testbrowser/trunk/src/zope/testbrowser/README.txt?rev=76064=auto
This readme is at the same moment a doctest and what is more it is
written in the structured text (or restructured) format. It allows you
to easily generate html page from that.

Django docs doesn't show so descriptive doctests :/

> concerning the django-docs:
> from my point of view, the description of where to define the tests is
> not easy to understand.
This is my feeling too. What is more, Russel's hint with __test__
dictionary should be included in the docs too.

> one more issue:
> with our server-setup, it´s much easier to define a seperate user for
> the test-database (instead of using the user from the production-
> database). is that possible?
Very good point. I've got the same problem here.

Regards

--
Jakub Wisniowski


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