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All snippets written in Python

2960 snippets

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MultiFileWidget

This is a multi file upload widget. That does not require adding multiple file input fields. It requires jQuery.MultiUpload (http://www.fyneworks.com/jquery/multiple-file-upload/)

  • newforms
  • upload
  • multi-file-upload
  • file
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Timestamps in Model

A simple way to add `date_created` and `date_modified` timestamps to a model. Adds a `date_created` timestamp when the object is first created and adds a `date_modified` timestamp whenever the item is saved. **Note:** You might be tempted instead to use: `date_created=models.DateTimeField(default=datetime.now())` but that won't work as Python will calculate `datetime.now()` only once when it interprets your model. This means that every object created will get the same `date_created` timestamp until you restart your server.

  • python
  • save
  • timestamp
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RestfulView

In the same vein as [snippet 436](http://www.djangosnippets.org/snippets/436/), this allows you to differentiate view logic by HTTP method such as GET, POST, PUT, DELETE. This is also very useful combined with the [HttpMethodsMiddleware snippet](http://www.djangosnippets.org/snippets/174/). I am not the author, but I have found it to be very helpful.

  • rest
  • http
  • urlconf
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backupdb command

`backupdb` command allows to make a database backup automatically. It's supposed to do this just before a `syncdb`, `reset` or `flush` command in a server deployment. A usual upgrade task in production server could be: ./manage.py backupdb ./manage.py reset myapp ./manage.py syncdb Put this code in your project's `management/commands/backupdb.py` file.

  • management
  • command
  • django-admin
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Async PIL resize of images

Call resize_image to replace the image with a resized and normalized version of itself. I recommend doing this with celery, but you could also hook it up to the admin interface if you're not impatient.

  • Images
  • PIL
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humanize time difference (how long ago)

If you ever have a need to display something like: "last update 5 days ago" "user logged in 2 mins ago" you can use this script to determine how long ago a timestamp is versus now().

  • time
  • now
  • humanize
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Image Standarization

Standarization of image fields (for being used when saving models). Automatically creates thumbnail. Change image name to /path/to/images/<my_field>-<id>.<ext>. Resize image and thumbnail to specified size (optionally can crop image to force size).

  • image
  • thumbnail
  • resize
  • rename
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GoogleAdmin: GMaps base layer in Geographic Admin (GeoDjango)

This GeoDjango subclass substitutes in the Google Maps base layer instead of the default one provided by Open Street Map. Requires the [google.html](http://www.djangosnippets.org/snippets/1145/) and [google.js](http://www.djangosnippets.org/snippets/1146/) templates (must be placed in `gis/admin` somewhere in your template path). Requires a Google Maps API key -- please abide by Google's [terms of service](http://code.google.com/apis/maps/terms.html).

  • gis
  • google
  • map
  • gmaps
  • layer
  • openlayers
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Unit Test Profiling for Django 1.3/1.4

The snippet is a modification of [snippet 1315](http://djangosnippets.org/snippets/1315/) to fit the needs for Django 1.3 and 1.4. You can follow the explanations and instructions there. To plot a nice and so useful call-graph with timings, call: $ gprof2dot -f pstats unittest.profile | dot -Tpng -o unittest.profile.graph.png where 'unittest.profile' is the test runners profile output defined in your settings.

  • profile
  • unittest
  • runtime
  • cprofile
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Anonymous required decorator

A decorator that allows the programmer to restrict access to some views only to non logged-in users. For instance, if an user in logged in, it should be denied access to views like /accounts/register or /accounts/login.

  • decorators
  • acl
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