{"image":["File extension “zip” is not allowed. Allowed extensions are: bmp, dib, gif, tif, tiff, jfif, jpe, jpg, jpeg, pbm, pgm, ppm, pnm, png, apng, blp, bufr, cur, pcx, dcx, dds, ps, eps, fit, fits, fli, flc, ftc, ftu, gbr, grib, h5, hdf, jp2, j2k

[yashwanth balanagu]

{"image":["File extension “zip” is not allowed. Allowed extensions are: bmp, dib, gif, tif, tiff, jfif, jpe, jpg, jpeg, pbm, pgm, ppm, pnm, png, apng, blp, bufr, cur, pcx, dcx, dds, ps, eps, fit, fits, fli, flc, ftc, ftu, gbr, grib, h5, hdf, jp2, j2k, jpc, jpf, jpx, j2c, icns, ico, im, iim, mpg, mpeg, mpo, msp, palm, pcd, pdf, pxr, psd, bw, rgb, rgba, sgi, ras, tga, icb, vda, vst, webp, wmf, emf, xbm, xpm."]}

[Amitesh Sahay]

This is a very less information, please share more information, code snippet where the attachment conditions are written, etc.

Regards,

Amitesh

On Thursday, 30 April, 2020, 02:05:59 pm IST, yashwanth balanagu <balanagu...@gmail.com> wrote:

{"image":["File extension “zip” is not allowed. Allowed extensions are: bmp, dib, gif, tif, tiff, jfif, jpe, jpg, jpeg, pbm, pgm, ppm, pnm, png, apng, blp, bufr, cur, pcx, dcx, dds, ps, eps, fit, fits, fli, flc, ftc, ftu, gbr, grib, h5, hdf, jp2, j2k, jpc, jpf, jpx, j2c, icns, ico, im, iim, mpg, mpeg, mpo, msp, palm, pcd, pdf, pxr, psd, bw, rgb, rgba, sgi, ras, tga, icb, vda, vst, webp, wmf, emf, xbm, xpm."]}

--
You received this message because you are subscribed to the Google Groups "Django users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to django-users...@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/72e536a4-4029-4a54-8423-a0681d90ec5a%40googlegroups.com.

[yashwanth balanagu]

from rest_framework import routers, serializers, viewsets

import base64

from .models import upload

import zipfile

import os 

class Base64ImageField(serializers.ImageField):

    """

    A Django REST framework field for handling image-uploads through raw post data.

    It uses base64 for encoding and decoding the contents of the file.

    Heavily based on

    https://github.com/tomchristie/django-rest-framework/pull/1268

    Updated for Django REST framework 3.

    """

    def to_internal_value(self, data):

        from django.core.files.base import ContentFile

        import base64

        import six

        import uuid

        # Check if this is a base64 string

        if isinstance(data, six.string_types):

            # Check if the base64 string is in the "data:" format

            if 'data:' in data and ';base64,' in data:

                # Break out the header from the base64 content

                header, data = data.split(';base64,')

            # Try to decode the file. Return validation error if it fails.

            try:

                decoded_file = base64.b64decode(data)

            except TypeError:

                self.fail('invalid_image')

            # Generate file name:

            file_name = str(uuid.uuid4())[:12] # 12 characters are more than enough.

            # Get the file name extension:

            file_extension = self.get_file_extension(file_name, decoded_file)

            complete_file_name = "%s.%s" % (file_name, file_extension, )

            data = ContentFile(decoded_file, name=complete_file_name)

        return super(Base64ImageField, self).to_internal_value(data)

    def get_file_extension(self, file_name, decoded_file):

        import imghdr

        extension = imghdr.what(file_name, decoded_file)

        extension = "zip" if extension == "jpeg" else extension #<--error line---> i am converting Base 64 data into zip file

        #examplezip.write(serializers.ImageField,compress_type = zipfile.ZIP_DEFLATED)

        #examplezip.close()

        return extension

 

   

class uploadSerializers(serializers.ModelSerializer):

    

    image=Base64ImageField(

       max_length=None, use_url=True,

       )

   

    #image =  serializers.ImageField(max_length=None,use_url=True)

    class Meta:

        model = upload

        fields = ('id','image','user')

        extra_kwargs = {'user': {'required': False}}