django-mongoengine-filter 0.3

django-mongoengine-filter is a reusable Django application inspired from django-filter for allowing mongoengine users to filter querysets dynamically.

django-mongoengine-filter is a reusable Django application for allowing users to filter mongoengine querysets dynamically. It’s very similar to popular django-filter library and is design to be used as a drop-in replacement (as much as it’s possible) strictly tied to MongoEngine.

Full documentation on Read the docs.

Requirements

• Python 2.7, 3.5, 3.6, 3.7

• Django 1.11, 2.0, 2.1

Installation

Install using pip:

pip install django-mongoengine-filter

Or latest development version:

pip install https://github.com/barseghyanartur/django-mongoengine-filter/archive/master.zip

Usage

Sample document

from mongoengine import fields, document
from .constants import PROFILE_TYPES, PROFILE_TYPE_FREE, GENDERS, GENDER_MALE

__all__ = ("Person",)


class Person(document.Document):

    name = fields.StringField(
        required=True,
        max_length=255,
        default="Robot",
        verbose_name="Name"
    )
    age = fields.IntField(required=True, verbose_name="Age")
    num_fingers = fields.IntField(
        required=False,
        verbose_name="Number of fingers"
    )
    profile_type = fields.StringField(
        required=False,
        blank=False,
        null=False,
        choices=PROFILE_TYPES,
        default=PROFILE_TYPE_FREE,
    )
    gender = fields.StringField(
        required=False,
        blank=False,
        null=False,
        choices=GENDERS,
        default=GENDER_MALE
    )

    def __str__(self):
        return self.name

Sample filter

import django_mongoengine_filter

class PersonFilter(django_mongoengine_filter.FilterSet):

    profile_type = django_mongoengine_filter.StringFilter()
    ten_fingers = django_mongoengine_filter.MethodFilter(
        action="ten_fingers_filter"
    )

    class Meta:
        model = Person
        fields = ["profile_type", "ten_fingers"]

    def ten_fingers_filter(self, queryset, name, value):
        if value == 'yes':
            return queryset.filter(num_fingers=10)
        return queryset

Sample view

def person_list(request):
    filter = PersonFilter(request.GET, queryset=Person.objects())
    return render(request, "dfm_app/person_list.html", {"objects": filter.qs})

Sample template

<ul>
{% for obj in objects %}
    <li>{{ obj.name }} - {{ obj.age }}</li>
{% endfor %}
</ul>

Sample requests

• GET /persons/

• GET /persons/?profile_type=free&gender=male

• GET /persons/?profile_type=free&gender=female

• GET /persons/?profile_type=member&gender=female

• GET /persons/?ten_fingers=yes

Development

Testing

To run tests in your working environment type:

./runtests.py

To test with all supported Python versions type:

tox

Running MongoDB

The easiest way is to run it via Docker:

docker pull mongo:latest
docker run -p 27017:27017 mongo:latest

Writing documentation

Keep the following hierarchy.

=====
title
=====

header
======

sub-header
----------

sub-sub-header
~~~~~~~~~~~~~~

sub-sub-sub-header
^^^^^^^^^^^^^^^^^^

sub-sub-sub-sub-header
++++++++++++++++++++++

sub-sub-sub-sub-sub-header
**************************

License

GPL 2.0/LGPL 2.1

Support

For any issues contact me at the e-mail given in the Author section.

Author

Artur Barseghyan <[e-mail]>