#django

hey, so I tried installing admin thumb image using easy_thumbnails into existing project.. I installed it yesterday into a different project on same machine with no problems

but with this one I am getting error saying

Attempted access to '/media/products/waterproof%20hard%20carrying%20case/carrying%20case.jpg' denied.

all other images on the site work

including ones uploade

any idea what would cause that?

I want to have a websockets service (in Tornado) run besides django. My primary idea is to have runserver (or later gunicorn in production) and the tornado server behind different ports, but fronted by a load balancer....

but not all people in my team use linux, so haproxy is more or less out (I can't make them install weird stuff like cygwin)

so, any ideas?

hm maybe write a tornado server that proxies runserver

Hi, I'm encountering a database error with an app I installed. How would I trouble shoot that? Would it be through logging? If so how do I enable that?

acmehandle, I don't know what debugging route to take. It would help if you posted the traceback

acmehandle, a frequent cause is max_length=something, and while using sqlite you didn't notice because it's not enforced and then you plug in postgres and BOOM

The specific error message is "1048 Column 'session' cannot be null". I've searched the internet and found that that error is possibly attributed to a save being required after an insertion. However this error seems to be coming from an app I have installed so I was hoping perhaps to try to get to the bottom of that by debugging it.

But right now I am in the process of saving the traceback to dpaste, I just have to take out some internal information.

Can you help with this problem? I login to the Django admin, click around, then try to add a new record. When I click the "Save" button, I get sent to login again. What's going on?

acmehandle, it sounds that you are somehow assuming there is a session present and that's not always the case

sixstring, production? runserver?

Hhmm. Well the error is being raised via a 'user registration' window so I am assuming.

eltigre: it's apache2 with mod_wsgi. i'm also running grapelli.

i've got a temporary work-around via "manage.py shell", but it would be nice to actually use the admin UI.

anyone know why my admin site cannot access my /media/ folder on local dev?

the files exist, they show up on the front end of the site

sixstring, I don't know a lot about grapelli, or any good reason to use it....

and I have another site thats a clone of this one where this works

Im getting "permission denied

sixstring, I suggest you check if the authorization works....

badbandit, did you set DEBUG=False?

eltigre: which authorization? authentication is happening, because it does let me in. i don't quite follow.

badbandit, also there is a setting in settings.py about mediaadmin

sixstring, yes but the session has to stay authorized

Hi, ok here is the traceback: http://dpaste.com/858043/

yes debug true

sixstring, if the session backend looses track, it will say it's unauthorized

badbandit, with your browser, look at the source of the html page, and determine the urls used for the media files. Then try to find out why runserver doesn't serve the files at this location

acmehandle, you are either misusing LFS or there is a bug in lfs... I've never used it though

there is also #lfs

wow, spent 2 hours trying to figure out how to render a formset a certain way yesterday unsuccesfully, then woke up and immediately knew how to do it

weird

no sorry that was wrong about #lfs ;-)

but I think they have a channel

mindcruzer: awesome. those are good mornings

mindcruzer, first you need to forget the forest to see the trees

hey django

and forget the trees to see the leaves

eltigre: any easy way to trace that? browser headers? cookies? DjDT?

and forget the leaves to see the individual plant cells

and forget the cells to see the nuclei

I am chatting with them eltigre, but I am interested in knowing how would I enable logging or debugging output to a file so I can figure this out?

sixstring, yes all of this seems reasonable.... you might also try not using grapelli

eltigre: problem is that it's a user uploaded (media), the static shows this for example /static/admin/img/icon-yes.gif

acmehandle, django-sentry is very nice

and forget the nuclei to see the... wait where the hell am i

static root is "/media/"

er

media_url

static root is the abs path to that media folder

er media root

Do you think django-sentry would appropriate for helping me trying to figure out whats going on in the back end?

acmehandle, no

but it's very nice to "log" errors

Ok, that is a good start. Are there any tools for django that would suit what I'm looking for?

acmehandle, your problem is that you are somehow putting no session into something that requires a session

acmehandle, you need to know what went wrong... first of all... is this reproducible or does it happen only occasionally?

Yes, I am able to reproduce it.

badbandit, I actually confuse that stuff all the time myself. But I suspect that you are somehow confusing static/uploaded media serving... django-admin has some preconceptions how to construct these urls....

acmehandle, also on local dev?

acmehandle, are you sure you didn't accidentally delete a middleware that should be there?

No, unfortunately. Only on my webhosting site.

I dont think so I deleted middleware.....

no session middleware might explain no session....

nkuttler thx for the hint.. i didn't knew anything about boundfields :D thx!

I see....

I did have to make some changes with regards to 'session' middle ware.

I added, but did not delete...I believe.

there you have it then

It looks like I added django.contrib.messages.middleware.MessageMiddleware.

hm that shouldn't really be a problem

eltigre: I think I funneled the problem down

what I found from your traceback is that the error happens entirely in lfs code... but that doesn't mean it's not your fault ;-)

eltigre: something with easy_thumbnails

badbandit, great ;-)

http://dpaste.com/858047/ this works for instance

nice, didn't know about that

I dont disagree entirely. :-)

Hence why I wanted to get a logging facility running.

eltigre: http://dpaste.com/858050/ this does not though

Can anyone see why the 'type' attribute that I'm specifying on this form field wouldn't be taking? http://dpaste.org/3ZC48/

just renders as type="text"

or can i not modify that?

wtfffffff I can convert it with easy_thumbnails in shell

but in my code it says "source file does not appear to be a valid image

mindcruzer, no you can't modify that this way

mindcruzer, the type of the input is still text

eltigre: yeah i fixed it by just making a NumberInput class and overriding `input_type`

mindcruzer, ok

which inherits from forms.widgets.Input *

is there a reason you can set it through attrs?