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Tag "filter"

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aggregate filter

Makes it possible to add a filtering condition directly after the aggregate function (or possible, `aggregate(expression) WITHIN GROUP (ordering clause)`. This is mostly useful if the annotation has two or more expressions, so it's possible to compare the result with and without the applied filter; it's more compact than using `Case`. It's suggested to add `values` to the queryset to get a proper group by. Usage example: `books = Book.objects.values('publisher__name').annotate( count=Count('*'), filtercount=Filter(expression=Count('publisher__name'), condition=Q(rating__gte=5)) ) ` Supported on Postgresql 9.4+. Possible other third-party backends.

  • filter
  • postgresql
  • olap
  • aggregate
  • expression
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AvaliabilityAtDateListFilter

If your model have two dates, start and end of something, you may want to have filter which allow you to show objects which last on specific day.

  • filter
  • admin
  • changelist
  • list_filter
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django admin filter for GenericForeignKey field

Simple filter for django ModelAdmin How use: #models.py class ObjectWithGenericForeignKey(model.Model): content_type = models.ForeignKey(ContentType) object_id = models.PositiveIntegerField() content_object= GenericForeignKey('content_type', 'object_id', for_concrete_model=False) #admin.py class CommentAdmin(admin.ModelAdmin): list_filter = (get_generic_foreign_key_filter(u'Filter title'),)

  • filter
  • django
  • foreignkey
  • django-admin
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Filter changelist by a numeric field using a number of common value ranges

## How to use Use this [admin filter](https://docs.djangoproject.com/en/1.8/ref/contrib/admin/#django.contrib.admin.ModelAdmin.list_filter) together with a numeric field to allow filtering changlist by field values range (in this case, age groups): For example, to group customers by age groups: class Customer(models.Model): # ... age = models.IntegerField() age.list_lookup_range = ( (None, _('All')), ([0, 2], '0-2'), ([2, 4], '2-4'), ([4, 18], '4-18'), ([18, 65], '18-65'), ([65, None], '65+'), )) class CustomerAdmin(admin.ModelAdmin): list_filter = [('age', ValueRangeFilter), ] ## Inspiration [This snippet](https://djangosnippets.org/snippets/587/) (for django < 1.4) inspired me to make this work for newer django versions.

  • filter
  • admin
  • field
  • range
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Django filter for shrinking [big] numbers

Simple filter that shrinks [big] numbers sufixing "M" for numbers bigger than million, or "K" for numbers bigger than thousand. It does a division over the number before converting to string so rounding is properly done. Examples: `{{ 123456|shrink_num }} >> 123.6K` `{{ 1234567|shrink_num }} >> 1.2M`

  • filter
  • numbers
  • kilo
  • mega
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Datetime adjuster for Django Templates

The filter is **specific to datetime objects** and no allowance has been made to convert strings or epoch times. Also **no type checking** is performed so misuse will result in an error. To use include the above snippet in a file called templatetags/customfilters.py or append to existing filters file then load: `{% load customfilters %}` in your template, then to use it: `{{ dateobject|adjust:"months=1"|date:"Y/m/d" }}` To push the dateobject forward by a month, or: `{{ dateobject|adjust:"weeks=-1"|date:"Y/m/d" }}` To push the dateobject back a week, or: `{{ dateobject|adjust:"years=1, months=2"|date:"Y/m/d" }}` To push the dateobject forward by a year and 2 months

  • template
  • filter
  • datetime
  • calculation
  • adjust
  • relativedelta
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tweetparser filter

Django Template Filter that parse a tweet in plain text and turn it with working Urls Ceck it on [GitHub](https://github.com/VincentLoy/tweetparser-django-template-filter) # tweetParser Django Template Filter this is a port of [tweetParser.js](https://github.com/VincentLoy/tweetParser.js) to work as a Django template filter ## How does it work ? Once installed, just : ``` <p>{{ your_tweet|tweetparser }}</p> ``` ## Installation Take a look at the [Django Documentation](https://docs.djangoproject.com/en/1.8/howto/custom-template-tags/) #### You can change the classes given to each anchor tags ``` USER_CLASS = 'tweet_user' URL_CLASS = 'tweet_url' HASHTAG_CLASS = 'hashtag' ```

  • filter
  • templatetag
  • templatetags
  • twitter
  • parse
  • parser
  • tweet
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ContentType template filter

Custom template filter to retrieve a content type of a given model instance. Useful for ModelForms which want to set the content_type field (i.e: GenericForeignKey). ### A usage example: {% load helpers %} {% with instance|content_type as ctype %} <input type="hidden" name="content_type" value="{{ ctype.pk }}"> {% endwith %} Original idea from [this stackoverflow answer] [1] [1]: http://stackoverflow.com/a/12807458/484127

  • template
  • filter
  • tag
  • contenttypes
  • contenttype
  • GenericForeignKey
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Password Obfuscation Log Filter

This is a simple logging [filter](https://docs.djangoproject.com/en/1.5/topics/logging/#topic-logging-parts-filters) to ensure that user-entered passwords aren't recorded in the log or emailed to admins as part of the request data if an error occurs during registration/login.

  • filter
  • log
  • password
  • logging
  • obfuscation
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Django Admin Filter __in query string

A hack to add __in ability to links generated in the Django Admin Filter which will add and remove values instead of only allowing to filter a single value per field. Example ?age_group__in=under25%2C25-35

  • filter
  • Admin
  • ChangeList
  • query_string
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Keeping filter states after edits (Django 1.4)

When saving an edit to an object from a filtered list view you are, by default, returned to list view without any of your filters applied. This solves that problem, keeping the filtered view in a session variable until you reach a point where the session key is deleted. This solution doesn't require changes to template code...this is completely self contained within your own admin.py files. The solution presented here is a revision of a previous patch, which has been modified for Django 1.4. The Django 1.3 version exists at: http://djangosnippets.org/snippets/2531/ From chronosllc: The advantage to our solution over the above linked solution is that under different use cases the user may or may not be redirected to the filtered list_view. For example, if you edit an object and click the save and continue button, then you would lose the filter when you finally finished editing the object and clicked save. Added on here is a delete of the session key when users add objects, the reasoning we're going this route is we don't want to return users to filtered views when they just added a new object. Your mileage may vary and if so, it's easy enough to fit your own needs.

  • filter
  • admin
  • change_list
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177 snippets posted so far.