Created
August 26, 2020 14:31
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Django view to capture file from multipart or body POST
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from io import BytesIO | |
from django.conf import settings | |
from django.core.files.uploadedfile import InMemoryUploadedFile | |
from django.core.files.uploadhandler import FileUploadHandler | |
from rest_framework.parsers import DataAndFiles, FileUploadParser | |
class BodyUploadHandler(FileUploadHandler): | |
def new_file(self, *args, **kwargs): | |
super().new_file(*args, **kwargs) | |
self.file = BytesIO() | |
def receive_data_chunk(self, raw_data, start): | |
self.file.write(raw_data) | |
def file_complete(self, file_size): | |
self.file.seek(0) | |
if not file_size: | |
file_size = len(self.file.read()) | |
self.file.seek(0) | |
return InMemoryUploadedFile( | |
file=self.file, | |
field_name=None, | |
name=self.file_name, | |
content_type=self.content_type, | |
size=file_size, | |
charset=self.charset, | |
content_type_extra=self.content_type_extra | |
) | |
class BodyFileParser(FileUploadParser): | |
media_type = '*/*' | |
def parse(self, stream, media_type=None, parser_context=None): | |
parser_context = parser_context or {} | |
request = parser_context['request'] | |
encoding = parser_context.get('encoding', settings.DEFAULT_CHARSET) | |
meta = request.META | |
filename = self.get_filename(stream, media_type, parser_context) or 'body' | |
content_type = meta.get('HTTP_CONTENT_TYPE', | |
meta.get('CONTENT_TYPE', '')) | |
try: | |
content_length = int(meta.get('HTTP_CONTENT_LENGTH', | |
meta.get('CONTENT_LENGTH', 0))) | |
except (ValueError, TypeError): | |
content_length = None | |
handler = BodyUploadHandler() | |
handler.new_file(None, filename, content_type, content_length, encoding) | |
handler.receive_data_chunk(stream.read(), None) | |
file_obj = handler.file_complete(None) | |
return DataAndFiles({}, {'file': file_obj}) |
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from django.http import HttpResponse | |
from rest_framework.parsers import MultiPartParser | |
from rest_framework.views import APIView | |
from .parsers import BodyFileParser | |
class EligibilityFileView(APIView): | |
parser_classes = (MultiPartParser, BodyFileParser) | |
def post(self, request, *args, **kwargs): | |
content = request.FILES.get('file') | |
if not content: | |
return HttpResponse('No content provided', status=400) | |
# do stuff | |
return HttpResponse('File accepted!') |
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