django-validators 1.0.1

Django validators used for commonly used validations

Django Validators

Django validators provides validator function that can be used with Django form fields and Django rest framework serializer fields

Installation

Install django-validators using pip

pip install django-validators

Types of validators

File validators

• Mime type validator djangovalidators.validators.MimetypeValidator

  This validator is used to check mime type/ content type of the uploaded file. This validator checks file header information to check mime type on FileField

  example

  from djangovalidators.validators import MimetypeValidator
  
  # with django forms
  class DemoForm(forms.Form):
      CONTENT_TYPES = ('image/png', 'application/pdf', 'image/jpeg', 'image/jpg', 'image/tiff',)
      file_object = forms.FileField(validators=[MimetypeValidator(CONTENT_TYPES)])
  
  # with django serializers
  class DemoSerializer(serializers.Serializer):
      CONTENT_TYPES = ('image/png', 'application/pdf', 'image/jpeg', 'image/jpg', 'image/tiff',)
      FILE_SIZE_IN_BYTES = 1024 * 1024 * 5  # ~5 Mib
      file_object = serializers.FileField(validators=[MimetypeValidator(CONTENT_TYPES)])
  

• File size validator djangovalidators.validators.FileSizeValidator

  This validator is useful for validating file size in FileField

  example

  from djangovalidators.validators import FileSizeValidator
  
  # with django forms
  class DemoForm(forms.Form):
      FILE_SIZE_IN_BYTES = 1024 * 1024 * 5  # ~5 Mib
      file_object = forms.FileField(validators=[FileSizeValidator(FILE_SIZE_IN_BYTES)])
  
  # with django serializers
  class DemoSerializer(serializers.Serializer):
      FILE_SIZE_IN_BYTES = 1024 * 1024 * 5  # ~5 Mib
      file_object = serializers.FileField(validators=[FileSizeValidator(FILE_SIZE_IN_BYTES)])