Uploading files in Django using pymongo

views.py

import os
import gridfs
from django.http import HttpResponse
from pymongo.connection import Connection
from django.shortcuts import get_object_or_404, render_to_response
from django.http import HttpResponseRedirect, HttpResponse
from django.template import Context, RequestContext,loader
from bson.object import ObjectId

#uploading form including image/file


def process_health_case(request):
	about = request.POST['about']
	details = request.POST['narrative_text']
	connection = Connection('mongodb://sbose78:XXXXX@staff.mongohq.com:10068/BOSE')
	db=connection['BOSE']
	collection = db['controller']

	if 'image_scan' in request.FILES.keys():
		image=request.FILES['image_scan']
		fs=gridfs.GridFS(db)
		file_id = fs.put(image,filename="image_scan3")
		data={ "about":about, "file_id":file_id}
		collection.insert(data)
	else:
		data={"about":about,"details":details}
		collection.insert(data)		
	return render_to_response('home/new_narrative.html',{ }, context_instance=RequestContext(request))

# rendering the image
def my_image(request,image_id):
	connection = Connection('mongodb://sbose78:XXXXXXXX@staff.mongohq.com:10068/BOSE')
	db=connection['BOSE']
	fs=gridfs.GridFS(db)
	image_data = fs.get(ObjectId(image_id))
	return HttpResponse(image_data, mimetype="image/png")