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  • Django admin, filter objects by ManyToMany reference

    - by Nick Z
    Hello! There's photologue application, simple photo gallery for django, implementing Photo and Gallery objects. Gallery object has ManyToMany field, which references Photo objects. I need to be able to get list of all Photos for a given Gallery. Is it possible to add Gallery filter to Photo's admin page? If it's possible, how to do it best?

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  • Django: select_related and GenericRelation

    - by Parand
    Does select_related work for GenericRelation relations, or is there a reasonable alternative? At the moment Django's doing individual sql calls for each item in my queryset, and I'd like to avoid that using something like select_related. class Claim(models.Model): proof = generic.GenericRelation(Proof) class Proof(models.Model): content_type = models.ForeignKey(ContentType) object_id = models.PositiveIntegerField() content_object = generic.GenericForeignKey('content_type', 'object_id') I'm selecting a bunch of Claims, and I'd like the related Proofs to be pulled in instead of queried individually.

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  • Django admin - remove field if editing an object

    - by John McCollum
    I have a model which is accessible through the Django admin area, something like the following: # model class Foo(models.Model): field_a = models.CharField(max_length=100) field_b = models.CharField(max_length=100) # admin.py class FooAdmin(admin.ModelAdmin): pass Let's say that I want to show field_a and field_b if the user is adding an object, but only field_a if the user is editing an object. Is there a simple way to do this, perhaps using the fields attribute? If if comes to it, I could hack a JavaScript solution, but it doesn't feel right to do that at all!

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  • Strange (atleast for me) behavior in Django template

    - by lud0h
    The following code snippet in a Django template (v 1.1) doesn't work. {{ item.vendors.all.0 }} == returns "Test" but the following code snippet, doesn't hide the paragraph! {% ifnotequal item.vendors.all.0 "Test" %} <p class="view_vendor">Vendor(s): {{item.vendors.all.0}} </p><br /> {% endifnotequal %} Any tips on what's wrong? Thanks.

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  • Is content from AJAX call added to Django context variable

    - by John
    Hi, I am using the JQuery load function to load part of my page. Can I access the variables from that page in the page that loads it. e.g. Page A uses JQuery load function to load B Page B loads and sets a variable in context called pageB_var which holds a django object Page A can then access this variable by doing {{pageB_var}} since it was added to the context If not what is the best way of doing this? Thanks

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  • SQL commands generated in Django by running sqlall

    - by k-g-f
    In my Django app, I just ran $ python manage.py sqlall and I see a lot of SQL statements that look like this, when describing FK relationships: ALTER TABLE `app1_model1` ADD CONSTRAINT model2_id_refs_id_728de91f FOREIGN KEY (`model2_id`) REFERENCES `app1_model2` (`id`); Where does "7218de91f" come from? I would like to know because I'd like to manually write SQL statements to accompany models changes in the app so that my db's can be kept up to date.

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  • Can Django be used for non web apps?

    - by Leeks and Leaks
    I noticed in the main Django introductin they show a feature that maps python objects to the database. This doesn't strike me as being mutually exclusive with with development, is there any reason why this can't be used for non web apps? Is it easy to separate out?

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  • Django-modpython project in a directory

    - by Ankit Jaiswal
    Hi All, I am deploying a Django project on apache server with mod_python in linux. I have created a directory structure like: /var/www/html/django/demoInstall where demoInstall is my project. In the httpd.conf I have put the following code. <Location "/django/demoInstall"> SetHandler python-program PythonHandler django.core.handlers.modpython SetEnv DJANGO_SETTINGS_MODULE demoInstall.settings PythonOption django.root django/demoInstall PythonDebug On PythonPath "['/var/www/html/django'] + sys.path" </Location> It is getting me the django environment but the issue is that the urls mentioned in urls.py are not working correctly. In my url file I have mentioned the url like: (r'^$', views.index), Now, in the browser I am putting the url like : http://domainname/django/demoInstall/ and I am expecting the views.index to be invoked. But I guess it is expecting the url to be only: http://domainname/ . When I change the url mapping to: (r'^django/demoInstall$', views.index), it works fine. Please suggest as I do not want to change all the mappings in url config file. Thanks in advance.

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  • Problem filling Django template in googleappengine Loader

    - by googleappenginenewbie
    I am trying to test a googleapengine project locally, but am getting errors loading templates: My settings.py contains TEMPLATE_LOADERS with Loader wrappers: e.g. django.template.loaders.filesystem.Loader but there is no Loader wrapper class in the bundled filesystem.py file within xx/google_appengine/lib/django/django/template/loaders/ so I'm getting this error: Exception Type: ImproperlyConfigured Exception Value: Module "django.template.loaders.filesystem" does not define a "Loader" callable template source loader Exception Location: in xxxx/google_appengine/lib/django/django/template/loader.py in find_template_source, line 60

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  • Using Django CMS

    - by samrin
    Hi, I know python and have just read a basic intro of django. I have to built something like a travel website with real time updates. Will django be sufficent for this? Somebody advised me to look at django-CMS, I couldn't find a very beginner's tutorial there. Should I opt for django-CMS? Also how much of django should i know before i can try out django-cms? Thanks

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  • django: _init_ def work but does not update to class in django form

    - by tgngo
    Hi expert there, this is my form: class IPTrackerSearchForm(forms.Form): keyword = forms.CharField(max_length=100, widget=forms.TextInput(attrs={'size':'50'})) search_in = forms.ChoiceField(required=False, choices=ANY_CHOICE + MODULE_SEARCH_IN_CHOICES) product = forms.CharField(max_length=64,widget=forms.TextInput(attrs={'size':'50'})) family = forms.CharField(max_length=64,widget=forms.TextInput(attrs={'size':'50'})) temp_result = Merlin.objects.values('build').distinct() result = [(value['build'], value['build']) for value in temp_result] build = forms.ChoiceField(choices=ANY_CHOICE + result) circuit_name = forms.CharField(max_length=256,widget=forms.TextInput(attrs={'size':'50'})) parameterization = forms.CharField(max_length=1024,widget=forms.TextInput(attrs={'size':'50'})) metric = forms.CharField(max_length=64,widget=forms.TextInput(attrs={'size':'50'})) show_in_one_page = forms.BooleanField(required=False, label="Show filtered result in one page", widget=forms.CheckboxInput(attrs={'class':'checkbox'})) def __init__(self, *args, **kwargs): super(IPTrackerSearchForm, self).__init__(*args, **kwargs) temp_result = Merlin.objects.values('build').distinct() self.result = [(value['build'], value['build']) for value in temp_result] self.build = forms.ChoiceField(choices=ANY_CHOICE + self.result) print self.result With the purpose that, each time I refresh the webpage, when have new record to "build" column in database. It should update to the drop down box "build" here but It never update unless restart the server. I use print and see that ini detect new recrd but can notrefect to build in Class. Many thanks

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  • How to stop Django "app not found" error?

    - by cml
    When I run python ./manage.py sql grading my django site comes up with: Error: App with label grading could not be found. Are you sure you INSTALLED_APPS setting is correct? I have the app grading with __init__.py and everything, and my INSTALLED APPS is: INSTALLED_APPS = ( 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.sites', 'django.contrib.admin', 'teachline.courses', 'teachline.grading', ) Why isn't this working?

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  • iTunes RSS Feed returning max. 100 items instead of 300

    - by TheEye
    I tried the iTunes RSS generator at http://itunes.apple.com/rss/generator/ to download the newest 300 games, which gave me the RSS Feed URL http://itunes.apple.com/us/rss/newapplications/limit=300/genre=6014/xml. However, only 100 are returned, and alphabetically sorted, so the list stops at the letter E ... Did Apple restrict the amount of items one could get without updating their RSS Feed Generator? Or am I missing something?

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  • apache+mod_wsgi configuration for django project(s) on a quad core

    - by Stefano
    I've been experiment quite some time with a "typical" django setting upon nginx+apache2+mod_wsgi+memcached(+postgresql) (reading the doc and some questions on SO and SF, see comments) Since I'm still unsatisfied with the behavior (definitely because of some bad misconfiguration on my part) I would like to know what a good configuration would look like with these hypotesis: Quad-Core Xeon 2.8GHz 8 gigs memory several django projects (anything special related to this?) These are excerpts form my current confs: apache2 SetEnv VHOST null #WSGIPythonOptimize 2 <VirtualHost *:8082> ServerName subdomain.domain.com ServerAlias www.domain.com SetEnv VHOST subdomain.domain AddDefaultCharset UTF-8 ServerSignature Off LogFormat "%{X-Real-IP}i %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" custom ErrorLog /home/project1/var/logs/apache_error.log CustomLog /home/project1/var/logs/apache_access.log custom AllowEncodedSlashes On WSGIDaemonProcess subdomain.domain user=www-data group=www-data threads=25 WSGIScriptAlias / /home/project1/project/wsgi.py WSGIProcessGroup %{ENV:VHOST} </VirtualHost> wsgi.py import os import sys # setting all the right paths.... _realpath = os.path.realpath(os.path.dirname(__file__)) _public_html = os.path.normpath(os.path.join(_realpath, '../')) sys.path.append(_realpath) sys.path.append(os.path.normpath(os.path.join(_realpath, 'apps'))) sys.path.append(os.path.normpath(_public_html)) sys.path.append(os.path.normpath(os.path.join(_public_html, 'libs'))) sys.path.append(os.path.normpath(os.path.join(_public_html, 'django'))) os.environ['DJANGO_SETTINGS_MODULE'] = 'settings' import django.core.handlers.wsgi _application = django.core.handlers.wsgi.WSGIHandler() def application(environ, start_response): """ Launches django passing over some environment (domain name) settings """ application_group = environ['mod_wsgi.application_group'] """ wsgi application group is required. It's also used to generate the HOST.DOMAIN.TLD:PORT parameters to pass over """ assert application_group fields = application_group.replace('|', '').split(':') server_name = fields[0] os.environ['WSGI_APPLICATION_GROUP'] = application_group os.environ['WSGI_SERVER_NAME'] = server_name if len(fields) > 1 : os.environ['WSGI_PORT'] = fields[1] splitted = server_name.rsplit('.', 2) assert splitted >= 2 splited.reverse() if len(splitted) > 0 : os.environ['WSGI_TLD'] = splitted[0] if len(splitted) > 1 : os.environ['WSGI_DOMAIN'] = splitted[1] if len(splitted) > 2 : os.environ['WSGI_HOST'] = splitted[2] return _application(environ, start_response)` folder structure in case it matters (slightly shortened actually) /home/www-data/projectN/var/logs /project (contains manage.py, wsgi.py, settings.py) /project/apps (all the project ups are here) /django /libs Please forgive me in advance if I overlooked something obvious. My main question is about the apache2 wsgi settings. Are those fine? Is 25 threads an /ok/ number with a quad core for one only django project? Is it still ok with several django projects on different virtual hosts? Should I specify 'process'? Any other directive which I should add? Is there anything really bad in the wsgi.py file? I've been reading about potential issues with the standard wsgi.py file, should I switch to that? Or.. should this conf just be running fine, and I should look for issues somewhere else? So, what do I mean by "unsatisfied": well, I often get quite high CPU WAIT; but what is worse, is that relatively often apache2 gets stuck. It just does not answer anymore, and has to be restarted. I have setup a monit to take care of that, but it ain't a real solution. I have been wondering if it's an issue with the database access (postgresql) under heavy load, but even if it was, why would the apache2 processes get stuck? Beside these two issues, performance is overall great. I even tried New Relic and got very good average results.

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  • django url matching with Lighttpd fastcgi

    - by 7seb
    I have a problem with url. I can access the djando app home page ( localhost/djangotest/ ) but can't access the admin section ( localhost/djangotest/admin/ ). I can access it using the django server instead of lighttpd. Lighttp conf : fastcgi.server = ( "/djangotest/" => ( "main" => ( "host" => "127.0.0.1", "port" => 3033, "check-local" => "disable", ) ), ) url.rewrite-once = ( "^(/media.*)$" => "$1", "^/favicon\.ico$" => "/media/favicon.ico", "^/djangotest/[^?](.*)$" => "/djangotest/?$1", ) The django url.py is just : (i just uncommented the good lines) : from django.conf.urls.defaults import patterns, include, url from django.contrib import admin admin.autodiscover() urlpatterns = patterns('', url(r'^admin/', include(admin.site.urls)), ) I tried many things but without success ... (no need to link to https://docs.djangoproject.com/en/dev/howto/deployment/fastcgi/ ) lighttpd/1.4.28 Python 2.7.2+ Django 1.3.0

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  • How can I create my own private RSS feed of selected podcasts?

    - by Bill Rodman
    I would like to be able to browse the Internet and "drag" available MP3 files of various podcast episodes into my own private RSS feed. I would like to then subscribe to this RSS feed with iTunes. Do you know of any applications or services that would do this? (I subscribe to IT Conversations and they have a private RSS feed that you can create of their episodes. I like this feature very much. If only I had such a feature that would work more generally). One of the reasons I am looking for this, that my iPod Touch has problems handling podcast playlists that span multiple RSS feeds.

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  • Problem sorting RSS feed by date using XSL

    - by Buckers
    I'm creating a website where I need to show the top 5 records from an RSS feed, and these need to be sorted by date and time. The date fields in the RSS feed are in the following format: "Mon, 16 Feb 2009 16:02:44 GMT" I'm having big problems getting the records to sort correctly - I've tried lots of different code examples I've seen, but none seem to sort the records correctly. The code for my XSL sheet is shown below, and the feed in question is here. Very grateful for anyones help!!! Thanks, Chris. XSL CODE: <xsl:stylesheet version="1.1" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:digg="http://digg.com//docs/diggrss/" xmlns:dc="http://purl.org/dc/elements/1.1/"> <xsl:template match="/"> <xsl:for-each select="//*[local-name()='item'][position() < 6]"> <p> <a> <xsl:attribute name="href"> <xsl:value-of select="*[local-name()='link']"/></xsl:attribute> <xsl:attribute name="target"> <xsl:text>top</xsl:text> </xsl:attribute> <xsl:value-of select="*[local-name()='title']"/> </a> <br/> <span class="smaller"><xsl:value-of select="*[local-name()='pubDate']" disable-output-escaping="yes"/></span> </p> </xsl:for-each>

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  • Problems reading RSS feed with jQuery.get()

    - by bbeckford
    Hi there, I've been pulling my hair out trying to use jQuery.get() to pull in my dynamically generated RSS feed and I'm having nothing but issues, is my RSS feed the wrong format? If so can I convert it to the correct format using javascript? Here's my feed: http://dev.chriscurddesign.co.uk/burns/p/rc_rss.php?rcf_id=0 Here's my code: function get_rss_feed() { $(".content").empty(); $.get("http://dev.chriscurddesign.co.uk/burns/p/rc_rss.php?rcf_id=0", function(d) { var i = 0; $(d).find('item').each(function() { var $item = $(this); var title = $item.find('title').text(); var link = $item.find('link').text(); var location = $item.find('location').text(); var pubDate = $item.find('pubDate').text(); var html = '<div class="entry"><a href="' + link + '" target="_blank">' + title + '</a></div>'; $('.content').append(html); i++; }); }); }; Any input would be greatly appreciated!! Thanks

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  • Trouble parsing some RSS feeds using Java and Sax

    - by brockoli
    I've written an RSS feed parser in Java (running on Android) and it parses some feeds perfectly, and others not at all. I get the following error when it tries to parse Slashdot (http://rss.slashdot.org/Slashdot/slashdot) org.apache.harmony.xml.ExpatParser$ParseException: At line 1, column 0: unbound prefix If I try to parse Wired (http://feeds.wired.com/wired/index) org.apache.harmony.xml.ExpatParser$ParseException: At line 1, column 0: syntax error If I try to parse AndroidGuys (http://feeds.feedburner.com/androidguyscom) org.apache.harmony.xml.ExpatParser$ParseException: At line 1, column 0: syntax error Here is some code for my parser. public void updateArticles(Context ctx, Feed feed, int numDaysToGet) { try { targetFlag = TARGET_ARTICLES; tweetDB = new TweetMonsterDBAdapter(ctx); tweetDB.open(); currentFeed = feed; TimeZone.setDefault(TimeZone.getTimeZone("UTC")); // or "Etc/GMT-1" Date currentDate = new Date(); long dateInMillis = currentDate.getTime(); oldestDate.setTime(dateInMillis-(dayInMillis*numDaysToGet)); SAXParserFactory spf = SAXParserFactory.newInstance(); SAXParser sp = spf.newSAXParser(); XMLReader xr = sp.getXMLReader(); xr.setContentHandler(this); xr.parse(new InputSource(currentFeed.url.openStream())); } catch (IOException e) { Log.e("TweetMonster", e.toString()); } catch (SAXException e) { tweetDB.close(); Log.e("TweetMonster", e.toString()); } catch (ParserConfigurationException e) { Log.e("TweetMonster", e.toString()); } tweetDB.close(); } It doesn't even get into my startElement method.

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  • Social Game Mechanics in Django

    - by oliland
    I want users to receive 'points' for completing various tasks in my application - ranging from tasks such as tagging objects to making friends. I havn't yet found a Django application that simplifies this. At the moment I'm thinking that the best way to accumulate points is that each user action creates the equivalent of a "stream item", and the points are calculated through counting the value of each action published to their stream. Obviously social game mechanics is a huge area with a lot of research going on at the moment. But from a development perspective what's the easiest way to get started? Am I on the wrong track or are there better / simpler ways?

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  • Looping to provide multiple lines in linechart (django-googlecharts)

    - by mighty_bombero
    Hi, I'm trying to generate some charts using django-googlecharts. This works fine for rather static data but in one case I would like to render a different number of lines, based on a variable. I tried this: {% chart %} {% for line in line_data %} {% chart-data line %} {% endfor %} {% chart-size "390x200" %} {% chart-type "line" %} {% chart-labels days %} {% endchart %} Line data is a list containing lists. The template code fails with "Caught an exception while rendering: max() arg is an empty sequence". I guess the problem is that I try to loop over templatetags. What approach could be used here? Or am I completely missing something? Is this doable using inclusion tags? Thanks for your help.

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  • Django data migration when changing a field to ManyToMany

    - by Ken H
    I have a Django application in which I want to change a field from a ForeignKey to a ManyToManyField. I want to preserve my old data. What is the simplest/best process to follow for this? If it matters, I use sqlite3 as my database back-end. If my summary of the problem isn't clear, here is an example. Say I have two models: class Author(models.Model): author = models.CharField(max_length=100) class Book(models.Model): author = models.ForeignKey(Author) title = models.CharField(max_length=100) Say I have a lot of data in my database. Now, I want to change the Book model as follows: class Book(models.Model): author = models.ManyToManyField(Author) title = models.CharField(max_length=100) I don't want to "lose" all my prior data. What is the best/simplest way to accomplish this? Ken

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