282 lines
8.2 KiB
Python
282 lines
8.2 KiB
Python
from __future__ import absolute_import
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# django
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from django.http import HttpResponse
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from django.views.decorators.csrf import csrf_exempt
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# rest framework
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from rest_framework.renderers import JSONRenderer
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from rest_framework.parsers import JSONParser
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from rest_framework import serializers
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from rest_framework.decorators import api_view
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from rest_framework.response import Response
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from django.shortcuts import get_object_or_404
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# mongo
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import pymongo
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from pymongo import MongoClient
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import json
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from bson import json_util
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from bson.objectid import ObjectId
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from bson.errors import InvalidId
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import datetime
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import sys
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import os
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import pprint
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import re
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from courses.models import Course
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from courses.models import Section
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from courses.models import Slide
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from courses.models import UserCourse
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from courses.models import UserSolution
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# helpers
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class JSONResponse(HttpResponse):
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"""
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An HttpResponse that renders its content into JSON.
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"""
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def __init__(self, data, **kwargs):
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content = JSONRenderer().render(data)
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kwargs['content_type'] = 'application/json'
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super(JSONResponse, self).__init__(content, **kwargs)
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class Entry(object):
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def __init__(self):
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pass
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class EntrySerializer(serializers.Serializer):
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def restore_object(self, attrs, instance=None):
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if instance:
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return instance
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return Entry()
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# django views
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###############################################################################
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def course(request, cid):
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#try:
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# user_course = UserCourse.objects.get(course=course_id)
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#except UserCourse.DoesNotExist:
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# raise Http404("Question does not exist")
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data = {}
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course = get_object_or_404(Course, pk=cid)
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return render(request, 'courses/course.html', {'course': course, 'data': data})
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def section(request, cid, seid):
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data = {}
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course = get_object_or_404(Course, pk=cid)
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return render(request, 'courses/course.html', {'course': course, 'data': data})
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def slide(request, cid, seid, slid):
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data = {}
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course = get_object_or_404(Course, pk=cid)
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return render(request, 'courses/course.html', {'course': course, 'data': data})
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def slide_check(request, cid, seid, slid):
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data = {}
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course = get_object_or_404(Course, pk=cid)
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return render(request, 'courses/course.html', {'course': course, 'data': data})
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###
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def index(request):
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return HttpResponse("Usage: /api/rest/..")
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#@api_view(['GET','POST'])
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@csrf_exempt
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def entry_list(request, database_id):
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data = str({"field1": "value1"})
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if request.method == 'GET':
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json_docs = [json.dumps(doc, default=json_util.default) for doc in cursor]
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return HttpResponse("[%s]" % (",".join(json_docs)))
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elif request.method == 'POST':
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data = JSONParser().parse(request)
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try:
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_id = collection.insert(data)
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data["_id"] = _id
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json_docs = json.dumps(data, default=json_util.default)
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return HttpResponse("%s" % json_docs, status=201)
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except:
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return JSONResponse("""{"error": "insert failed."}""", status=400)
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# Event Stream API
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###############################################################################
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@api_view(['POST'])
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@csrf_exempt
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def event(request):
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event_db = mongo["events"]
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event_col = event_db["events"]
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if request.method == 'POST':
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# populate additional fields
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request.data["timestamp"] = datetime.datetime.now()
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request.data["referrer"] = request.META.get('HTTP_REFERER') # sic
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request.data["user_id"] = request.user.id
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#print(request.data, file=sys.stderr)
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try:
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_id = event_col.insert(request.data)
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print(request.data['type'], _id, file=sys.stderr)
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#json_docs = json.dumps(data, default=json_util.default)
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return JSONResponse({"details": "OK", "id": str(_id)}, status=201)
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except:
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return JSONResponse({"details": "insert failed."}, status=400)
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#else:
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# return JSONResponse("""{"error": "HTTP request type not allowed."}""", status=400)
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# Job API
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###############################################################################
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#@api_view(['GET','POST'])
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@csrf_exempt
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def job_status(request, jid):
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print("Job-status " + jid)
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data = str({"field1": "value1"})
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#job_db = mongo["jobs"]
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#job_col = job_db["jobs"]
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#return HttpResponse(status=404)
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if request.method == 'GET':
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task = celery_task_compile_and_run.AsyncResult(jid)
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print("results")
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data = {"status": task.status, "data": task.result}
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print("DONE!")
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#json_docs = json.dumps(data, default=json_util.default)
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#data = JSONParser().parse(json_docs)
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return JSONResponse(data)
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return HttpResponse("huh", status=401)
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@api_view(['POST'])
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@csrf_exempt
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def job_new(request):
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job_db = mongo["jobs"]
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job_col = job_db["jobs"]
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# Snipped in-case we would like to force the referrer to match the slide.
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#slid = None
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#referrer = request.META.get('HTTP_REFERER')
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#result = re.findall(r'/courses/(?P<cid>[0-9]+)/(?P<seid>[0-9]+)/(?P<slid>[0-9]+)/$', referrer)
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#print(result, file=sys.stderr)
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#try:
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# slid = Slide.objects.get(pk=result[0][2])
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#except Comment.DoesNotExist:
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# slid = None
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#
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#print(slid, file=sys.stderr)
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if request.method == 'POST':
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print(datetime.datetime.now(), file=sys.stderr)
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print(request.data, file=sys.stderr)
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slide = get_object_or_404(Slide, pk=request.data['slide'])
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print("Solution from: ", slide.title, file=sys.stderr)
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job_dic = {}
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#job_dic['timestamp'] = datetime.datetime.now()
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job_dic['solution'] = request.data['solution']
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job_dic['action'] = request.data['action']
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job_dic['source_path'] = slide.source_path
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job_dic['type'] = slide.slide_type
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job_dic['data'] = json.loads(slide.data)
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job_dic['user_id'] = request.user.id
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print('job_dic:', file=sys.stderr)
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# Also create/update the user solution.
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user_solution = None
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if request.user.is_authenticated:
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try:
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item, created = UserSolution.objects.get_or_create(slide=slide, user=request.user)
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user_solution = item
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except UserSolution.DoesNotExist:
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pass
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print(user_solution, file=sys.stderr)
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if user_solution != None:
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user_solution.data = json.dumps(request.data)
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user_solution.save()
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pprint.pprint(job_dic, sys.stderr)
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try:
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task = celery_task_compile_and_run.delay(job_dic)
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print(dir(task), file=sys.stderr)
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print("PREP")
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print(task.id, file=sys.stderr)
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#print(task.status, file=sys.stderr)
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job_dic["_id"] = task.id
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print("DONE")
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#_id = job_col.insert(request.data)
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#print(_id, file=sys.stderr)
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#json_docs = json.dumps(data, default=json_util.default)
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return JSONResponse({"details": "OK", "id": str(task.id)}, status=201)
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except:
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return JSONResponse({"details": "Job submission failed."}, status=400)
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#else:
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# return JSONResponse("""{"error": "HTTP request type not allowed."}""", status=400)
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#else:
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# return JSONResponse("""{"error": "HTTP request type not allowed."}""", status=400)
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# return HttpResponse("huh")
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#
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# if request.method == 'GET':
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# data = collection.find_one({"_id": _id})
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# json_docs = json.dumps(data, default=json_util.default)
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# return HttpResponse("%s" % json_docs)
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#
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# elif request.method == 'PUT':
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# data = JSONParser().parse(request)
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# data.pop("_id", None) # remove _id key from data for pymongo
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# print >>sys.stdout, data
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# try:
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# collection.update({"_id": _id}, data)
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# data["_id"] = _id
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# json_docs = json.dumps(data, default=json_util.default)
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# return HttpResponse("%s" % json_docs)
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# except:
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# return JSONResponse("""{"error": "update failed."}""", status=400)
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#
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# elif request.method == 'DELETE':
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# collection.remove({"_id": _id})
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# return HttpResponse(status=204)
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#
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