ksysctl/restricted-file-field

Customized field Django framework based on FileField.

RestrictedFileField:

Customized field Django framework based on FileField.
This is my custom version where I've added more validations, south support.

This is based on Federico Capoano work.
see original: http://djangosnippets.org/snippets/2206


How to use:
Accesing it from you moved it

ex:
---
from app.lib.fields.model import RestrictedFileField

class MyModel(models.Model):
    image = RestrictedFileField(
        null=True,
        blank=True,
        upload_to='my_images',
        content_types=['image/jpeg', 'image/gif'],
        max_upload_size=2097152.0,
        min_upload_size=1.0,
        range_width=(50, 80)
        range_height=(50, 80)
    )
    created_date = models.DateTimeField(auto_now_add=True, null=False, blank=False)
    ...
---

content_types:
  should a list or tuple of strings, each string represents a valid
  Content-Typet like 'image/png' -> ['image/png',]
  see http://en.wikipedia.org/wiki/Internet_media_type

max_upload_size:
  should be an integer or float value, represents maximum file size allowed in bytes.

min_upload_size:
  should be an integer or float value, represents minimal file size allowed in bytes.

range_width:
  an list indicating the min./max. width allowed in image.

range_height:
  an list indicating the min./max. height allowed in image.

South support:
this module has support for migrations based on South, if you need it then replace text in
add_introspection_rules(rules, ["^app\.lib\.fields\.model\.RestrictedFileField"])

ex:
you could use "my_root_project\.my_app\.lib\.RestrictedFileField" instead of
"app\.lib\.fields\.model\.RestrictedFileField"

it means that my class is there: my_root_project/my_app/lib/__init__.py