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• When I run Django on Dreamhost using SQLite, why do I get an OperationalError telling me that a tabl

  - by Paul D. Waite

  I had a Django site running on Dreamhost. Although I used SQLite when developing locally, I initially used MySQL on Dreamhost, because that’s what the wiki page said to do, and because if I’m using an ORM, I might as well take advantage of it by running against a different database. After a while, I switched the settings on the server to use SQLite, to make it easier to keep my development database in sync with the server one. python manage.py syncdb worked on the server, but when I tried to access the site, I got an OperationalError. The Django error page said that one of my tables didn’t exist. I checked the database using sqlite on the command line on the server, and using python manage.py shell, and both worked fine.

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• How to detect if a web URL contains a feed or not?

  - by Veera

  I have seen in some browsers (Firefox for example), the RSS feed icon gets activated only when a page contains a RSS/Atom feed. How the browser detects whether the page contains a feed or not?

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• SyndicationItem.Content in .NET

  - by user102533

  Is there a reason I can get the Summary but not the Content of a SyndicationItem. I am looking for the entire post. It appears that it depends on how the RSS feed is configured. Is this true? Can I expect to read the entire content of any RSS feed from the wild? Thanks

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• In Django : How to serialize dict object to json ?

  - by Rohit

  I have this very basic problem, >>> serializers.serialize("json", {'a':1}) Traceback (most recent call last): File "<console>", line 1, in <module> File "/usr/lib/pymodules/python2.6/django/core/serializers/__init__.py", line 87, in serialize s.serialize(queryset, **options) File "/usr/lib/pymodules/python2.6/django/core/serializers/base.py", line 40, in serialize for field in obj._meta.local_fields: AttributeError: 'str' object has no attribute '_meta' >>> How can this be done ? Thanks in advance !

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• trending topics example for a rails app

  - by Gautam

  Hi, I am new to ruby on rails. I want to build an RSS feed aggregator. How do I find out the trending topics from the stream of data[titles] from various RSS feeds. Could you help me how to achieve this?? Looking forward for your help Thanks in advance Gautam

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• Django with custom authentication backends, is Csrf middleware really required ?

  - by Hellnar

  Hello, Under Django 1.1.1, I am using several authentication backends such as social-registration for facebook connect and django-emailauth for email based authentication instead of user names. I am curious if the Csrf middleware is an essential security measure as it seems like it sometimes generates problems, especially with facebook connect. My project is rather simple. Each user have a profile which they can fill and a purchase page where they fill the payment for to do purchases. Either of these pages are protected via @login_required.

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• SyndicationItem Content and Summary property in ASP.NET 3.5

  - by bobsmith123

  Correct me if I am wrong, but it appears that the SyndicationItem.Content is null some times based on the feed address. When it's null, SyndicationItem.Summary seems to have the text of the blog post. Is this dependent on whether the feed is RSS or Atom? I am trying to get the blog post's text irrespective of what RSS URL the user inputs. Can someone clarify? Thanks

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• [Django] How to find out whether a model's column is a foreign key?

  - by codethief

  I'm dynamically storing information in the database depending on the request: // table, id and column are provided by the request table_obj = getattr(models, table) record = table_obj.objects.get(pk=id) setattr(record, column, request.POST['value']) The problem is that request.POST['value'] sometimes contains a foreign record's primary key (i.e. an integer) whereas Django expects the column's value to be an object of type ForeignModel: Cannot assign "u'122'": "ModelA.b" must be a "ModelB" instance. Now, is there an elegant way to dynamically check whether b is a column containing foreign keys and what model these keys are linked to? (So that I can load the foreign record by it's primary key and assign it to ModelA?) Or doesn't Django provide information like this to the programmer so I really have to get my hands dirty and use isinstance() on the foreign-key column?

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• Is there any list of blog engines, written in Django?

  - by Big 40wt Svetlyak

  Is there any list of blog engines, written in Django?

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• Using django-piston, how can I write out HTTP headers in the response?

  - by jimothy4j

  How can I include an HTTP header, such as Cache-Control or Last-Modified, in the response to a django-piston call?

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• What's the best way to access Neo4j from Django?

  - by abdel

  it seems that i found something that let me confused; i've found two Neo4j to download to python, the first one is: http://pypi.python.org/pypi/neo4j-embedded and the second one is: https://svn.neo4j.org/components/neo4j.py/trunk/ what's the difference between the two? the first one seems to be big (size), so does this mean that if i use it i'll not need the neo4j community release (milestone)? when i've installed the first one, and tried to test a django example, it seems that the directory named "model" https://svn.neo4j.org/components/neo4j.py/trunk/src/main/python/neo4j/model/ is missing? so what's the difference, and who will be better to use with Django? and what about that one? http://pypi.python.org/pypi/neo4django/

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• Avoid 404 page override

  - by vernomcrp

  I 'm using django-lfs with default django-app.Its appear django-lfs override 404 default template. How to avoid this process

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• '--' is an unexpected token. The expected token is '>'. Line 81, position 5.

  - by vamsivanka

  I am trying to get the html for this link http://slashdot.org/firehose.pl?op=rss&content_type=rss&orderby=createtime&fhfilter="home:vamsivanka" Dim myRequest As WebRequest Dim myResponse As WebResponse Try myRequest = System.Net.WebRequest.Create(url) myRequest.Timeout = 10000 myResponse = myRequest.GetResponse() Dim rssStream As Stream = myResponse.GetResponseStream() Dim rssDoc As New XmlDocument() rssDoc.Load(rssStream) Catch ex As Exception End Try But the rssDoc.Load is giving me an error '--' is an unexpected token. The expected token is ''. Line 81, position 5. Please Let me know your suggestions.

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• Really basic Django E-commerce? Where do I start

  - by Andrew

  I'm trying to set up a really basic e-commerce site with Django, and am trying to figure out the best place to start. I am relatively comfortable with the framework itself, but have never done any sort of e-commerce development in any language, so I want to learn about some best practices so I don't make any huge or obvious mistakes. I've looked at Satchmo, and even went as far as installing and playing around with it, but it looks like way more than I want. I basically want to show users a list of things, and let them click a button to buy one. No cart, no shipping, just click a button, connect with Authorize.net (or something similar) to do the transaction, and then display a confirmation page. Any suggestions or online tutorials people have found helpful? Even perhaps a tutorial in another language. Or maybe a really lightweight Django plugin that doesn't try to do everything like Satchmo? I've been coming up with very little so far. Thanks!

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• Asp.net MVC partial view.

  - by coure06

  I want to show news on my main page using Rss Feeds. I want to show news somewhere in side panel. How i will use PartialViews to show it? public ActionResult Feed() { string feedUrl = "http://www.gadgetfind.com/rss.xml"; XmlReader reader = XmlReader.Create(feedUrl); SyndicationFeed feed = SyndicationFeed.Load(reader); return View(feed); }

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• How do I construct a Django form with model objects in a Select widget?

  - by Thierry Lam

  Let's say I'm using the Django Site model: class Site(models.Model): name = models.CharField(max_length=50) My Site values are (key, value): 1. Stackoverflow 2. Serverfault 3. Superuser I want to construct a form with an html select widget with the above values: <select> <option value="1">Stackoverflow</option> <option value="2">Serverfault</option> <option value="3">Superuser</option> </select> I'm thinking of starting with the following code but it's incomplete: class SiteForm(forms.Form): site = forms.IntegerField(widget=forms.Select()) Any ideas how I can achieve that with Django form?

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• Turbogears 2 vs Django - any advice on choosing replacement for Turbogears 1?

  - by michela

  I have been using Turbogears 1 for prototyping small sites for the last couple of years and it is getting a little long in the tooth. Any suggestions on making the call between upgrading to Turbogears 2 or switching to something like Django? I'm torn between the familiarity of the TG community who are pretty responsive and do pretty good documentation vs the far larger community using Django. I am quite tempted by the built-in CMS features and the Google AppEngine support. Any advice? Thanks .M.

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• Is it possible to use Django's testing framework without having CREATE DATABASE rights?

  - by superjoe30

  Since I don't have a hundred bazillion dollars, my Django app lives on a shared host, where all kinds of crazy rules are in effect. Fortunately, they gave me shell access, which has allowed me to kick butts and take names. However I can't do anything about not having CREATE DATABASE rights. I'm using postgresql and have a killer test suite, but am unable to run it due to the code not being able to create a new database. However I am able to create said database beforehand via cPanel and use it with Django. I just don't have CREATE DATABASE rights. Is there a way I can still run my test suite?

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• pitfalls with mixing storage engines in mysql with django?

  - by Dave Orr

  I'm running a django system over mysql in amazon's cloud, and the database default is innodb. But now I want to put a fulltext index on a couple of tables for searching, which evidently requires myisam. The obvious solution is to just tell mysql to ALTER TABLE to myisam, but are there going to be any issues with that? One that comes to mind is that I'll have to remember to do that any time I build a new version of the database, which should theoretically be rare, but there doesn't seem to be a way to tell django to please set the storage engine at the table level. I guess I could write a migration (we use south). Any other things I might be missing? What could possibly go wrong?

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• How do I specify (1) an order and (2) a meaninful string representation for users in my Django application?

  - by David Faux

  I have a Django application with users. I have a model called "Course" with a foreign key called "teacher" to the default User model that Django provides: class Course(models.Model): ... teacher = models.ForeignKey(User, related_name='courses_taught') When I create a model form to edit information for individual courses, the possible users for the teacher field appear in this long select menu of user names. These users are ordered by ID, which is of meager use to me. How can I order these users by their last names? change the string representation of the User class to be "Firstname Lastname (username)" instead of "username"?

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• How painful is a django project upload to a live (staging) site?

  - by Ignacio

  Hi, I've getting quite fast with a small django project of mine, which I'm developing locally, of course. But, as I had never worked with django before, I'm not aware of what it implies to upload it and test it on a production server. And I'm quite curious, since I'm very eager to test an early release live. I know there is this document, which I think it'll be really helpful: http://djangobook.com/en/2.0/chapter12/ But, are there any details I should take into account before, during and after the deployment? Any advice or best practices? Thanks.

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• How painful is a django project deployment to a live (staging) site?

  - by Ignacio

  Hi, I've getting quite fast with a small django project of mine, which I'm developing locally, of course. But, as I had never worked with django before, I'm not aware of what it implies to upload it and test it on a production server. And I'm quite curious, since I'm very eager to test an early release live. I know there is this document, which I think it'll be really helpful: http://djangobook.com/en/2.0/chapter12/ But, are there any details I should take into account before, during and after the deployment? Any advice or best practices? Thanks.

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• Django: do I need to do HttpResponseRedirect to render a simple string after a POST?

  - by AP257

  I've got a mobile app that makes POST requests to a Django site. I want to return a simple string (not a template-based page) after the app makes the POST request, saying 'Success' or 'Failure' as appropriate. However I know that after a POST request in Django you're supposed to do a HttpResponseRedirect. But, do I really need to redirect to another page and write a new function to handle it, all to output a string? And if so, how do I pass the success/failure status of the app in the HttpResponseRedirect, since it's only supposed to take one argument? Thanks!

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• Connect to a DB with an encrypted password with Django?

  - by Liam

  My place of employment requires that all passwords must be encrypted, including the ones used to connect to a database. What's the best way of handling this? I'm using the development version of Django with MySQL at the moment, but I will be eventually migrating to Oracle. Is this a job for Django, or the database? Edit: The encrypted password should be stored in the settings.py file, or somewhere else in the filesystem. This is the password that will be used to connect to the database.

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• How to start doing TDD in a django project?

  - by Satoru.Logic

  Hi, all. I have read a lot of essays talking about benifits TDD can bring to a project, but I have never practiced TDD in my own project before. Now I'm starting an experimental project with Django, and I think maybe I can have a try of TDD. But what I find now is that I don't even know how to answer the question "what should I put in my test cases?". Please tell me how should I plan TDD in a project, in this case, a web project based on Django. Thanks.

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