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How to use response_400 method in Django Test Plus
Best Python code snippet using django-test-plus_python
server.py
Source:server.py 
1"""An example of a simple HTTP server."""2import json3import mimetypes4import pickle5import socket6from os.path import isdir7from urllib.parse import unquote_plus8# Pickle file for storing data9PICKLE_DB = "db.pkl"10# Directory containing www data11WWW_DATA = "www-data"12# Header template for a successful HTTP request13HEADER_RESPONSE_200 = """HTTP/1.1 200 OK\r14content-type: %s\r15content-length: %d\r16connection: Close\r17\r18"""19# Represents a table row that holds user data20TABLE_ROW = """21<tr>22 <td>%d</td>23 <td>%s</td>24 <td>%s</td>25</tr>26"""27# Template for a 404 (Not found) error28RESPONSE_404 = """HTTP/1.1 404 Not found\r29content-type: text/html\r30connection: Close\r31\r32<!doctype html>33<h1>404 Page not found</h1>34<p>Page cannot be found.</p>35"""36RESPONSE_301 = """HTTP/1.1 301 Moved Permanently\r37location: %s\r38connection: Close\r39\r40"""41RESPONSE_400 = """HTTP/1.1 400 Bad Request\r42content-type: text/html\r43connection: Close\r44\r45<!doctype html>46<h1>400 Bad Request</h1>47<p>Page cannot be found.</p>48"""49RESPONSE_405 = """HTTP/1.1 405 Method Not Allowed\r50content-type: text/html\r51connection: Close\r52\r53<!doctype html>54<h1>405 Page Not Allowed</h1>55<p>Method Not Allowed.</p>56"""57def save_to_db(first, last):58 """Create a new user with given first and last name and store it into59 file-based database.60 For instance, save_to_db("Mick", "Jagger"), will create a new user61 "Mick Jagger" and also assign him a unique number.62 Do not modify this method."""63 existing = read_from_db()64 existing.append({65 "number": 1 if len(existing) == 0 else existing[-1]["number"] + 1,66 "first": first,67 "last": last68 })69 with open(PICKLE_DB, "wb") as handle:70 pickle.dump(existing, handle)71def read_from_db(criteria=None):72 """Read entries from the file-based DB subject to provided criteria73 Use this method to get users from the DB. The criteria parameters should74 either be omitted (returns all users) or be a dict that represents a query75 filter. For instance:76 - read_from_db({"number": 1}) will return a list of users with number 177 - read_from_db({"first": "bob"}) will return a list of users whose first78 name is "bob".79 Do not modify this method."""80 if criteria is None:81 criteria = {}82 else:83 # remove empty criteria values84 for key in ("number", "first", "last"):85 if key in criteria and criteria[key] == "":86 del criteria[key]87 # cast number to int88 if "number" in criteria:89 criteria["number"] = int(criteria["number"])90 try:91 with open(PICKLE_DB, "rb") as handle:92 data = pickle.load(handle)93 filtered = []94 for entry in data:95 predicate = True96 for key, val in criteria.items():97 if val != entry[key]:98 predicate = False99 if predicate:100 filtered.append(entry)101 return filtered102 except (IOError, EOFError):103 return []104def parse_headers(client):105 headers = dict()106 while True:107 line = client.readline().decode("utf-8").strip()108 if not line:109 return headers110 key, value = line.split(":", 1)111 headers[key.strip().lower()] = value.strip()112def parse_get_parametars(p):113 if p == "":114 return None115 d = dict()116 parametars = p.split("&")117 for i in parametars:118 key, value = i.split("=", 1)119 d[key.strip()] = value.strip()120 return d121def process_request(connection, address):122 client = connection.makefile("wrb")123 line = client.readline().decode("utf-8").strip()124 try:125 method, uri, version = line.split(" ")126 headers = parse_headers(client)127 get_parameters = ""128 if method != "GET" and method != "POST":129 print("405 Error : Wrong Method")130 client.write(RESPONSE_405.encode("utf-8"))131 client.close()132 if uri[0] != "/" and not (len(uri) > 0):133 print("400 Error : Bad Request")134 client.write(RESPONSE_400.encode("utf-8"))135 client.close()136 if version != "HTTP/1.1":137 print("400 Error : Bad Request")138 client.write(RESPONSE_400.encode("utf-8"))139 client.close()140 if "host" not in headers.keys():141 print("400 Error : Bad Request")142 client.write(RESPONSE_400.encode("utf-8"))143 client.close()144 if method == "POST" and "content-length" not in headers.keys():145 print("400 Error : Bad Request, no Content-Length")146 client.write(RESPONSE_400.encode("utf-8"))147 client.close()148 if "?" in uri:149 uri, get_parameters = uri.split("?", 1)150 except Exception as e:151 print("[%s:] Exception parsing '%s': %s" % (address, line, e))152 client.write(RESPONSE_400.encode("utf-8"))153 client.close()154 uri_dynamic = ["/www-data/app-add", "/app-add", "/www-data/app-index", "/app-index", "/www-data/app-json", "/app-json"]155 dynamic = 0156 if uri in uri_dynamic:157 if uri == "/app-index" or uri == "/www-data/app-index":158 uri = "/app_list.html"159 dynamic = 1160 if method != "GET":161 print("405 Error : Wrong Method")162 client.write(RESPONSE_405.encode("utf-8"))163 client.close()164 elif uri == "/app-add" or uri == "/www-data/app-add":165 uri = "/app_add.html"166 dynamic = 2167 if method != "POST":168 print("405 Error : Wrong Method")169 client.write(RESPONSE_405.encode("utf-8"))170 client.close()171 elif uri == "/app-json" or "/www-data/app-json":172 dynamic = 3173 if method != "GET":174 print("405 Error : Wrong Method")175 client.write(RESPONSE_405.encode("utf-8"))176 client.close()177 try:178 get_parameters = unquote_plus(get_parameters, "utf-8")179 body = json.dumps(read_from_db(parse_get_parametars(get_parameters))).encode()180 head = HEADER_RESPONSE_200 % (181 "application/json",182 len(body)183 )184 client.write(head.encode("utf-8"))185 client.write(body)186 except Exception as e:187 print("[%s:] Exception parsing '%s': %s" % (address, line, e))188 client.write(RESPONSE_400.encode("utf-8"))189 client.close()190 if (uri[-1] == "/"):191 r_301 = RESPONSE_301 % ("http://" + headers["host"].split(":")[0] + ":" + headers["host"].split(":")[1] + uri + "index.html")192 uri += "index.html"193 client.write(r_301.encode("utf-8"))194 elif uri[-1] != "/" and "." not in uri: # if doesnt have trailing slash and if its a dicitonary195 if (isdir(WWW_DATA + uri)):196 r_301 = RESPONSE_301 % ("http://" + headers["host"].split(":")[0] + ":" + headers["host"].split(":")[1] + uri + "/index.html")197 uri += "/index.html"198 client.write(r_301.encode("utf-8"))199 if dynamic in [0, 1, 2]:200 try:201 with open(WWW_DATA + "/" + uri, "rb") as handle: # 200 ok202 body = handle.read()203 mime_type, _ = mimetypes.guess_type(WWW_DATA + "/" + uri)204 if mime_type == None:205 mime_type = "application/octet-stream"206 if dynamic == 0:207 head = HEADER_RESPONSE_200 % (208 mime_type,209 len(body)210 )211 client.write(head.encode("utf-8"))212 client.write(body)213 elif dynamic == 1:214 table = ""215 get_parameters = unquote_plus(get_parameters, "utf-8")216 students = read_from_db(parse_get_parametars(get_parameters))217 for student in students:218 table += TABLE_ROW % (219 student["number"],220 student["first"],221 student["last"],222 )223 body = body.replace(b"{{students}}", table.encode("utf-8"))224 head = HEADER_RESPONSE_200 % (225 mime_type,226 len(body)227 )228 client.write(head.encode("utf-8"))229 client.write(body)230 elif dynamic == 2:231 post_parameters = (client.read(int(headers["content-length"])))232 post_parameters = unquote_plus(post_parameters.decode("utf-8"), "utf-8")233 d = parse_get_parametars(post_parameters)234 if "first" not in d.keys() and "last" not in d.keys():235 print("400 Error : Bad Request, missing parameters")236 client.write(RESPONSE_400.encode("utf-8"))237 connection.close()238 save_to_db(str(d["first"]), str(d["last"]))239 head = HEADER_RESPONSE_200 % (240 mime_type,241 len(body)242 )243 client.write(head.encode("utf-8"))244 client.write(body)245 except IOError:246 client.write(RESPONSE_404.encode("utf-8"))247 client.close()248 finally:249 client.close()250 client.close()251def main(port):252 """Starts the server and waits for connections."""253 server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)254 server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)255 server.bind(("", port))256 server.listen(1)257 print("Listening on %d" % port)258 while True:259 connection, address = server.accept()260 print("[%s:%d] CONNECTED" % address)261 process_request(connection, address)262 connection.close()263 print("[%s:%d] DISCONNECTED" % address)264if __name__ == "__main__":...
apis.py
Source:apis.py
...31 mobile = request.data.get(keys.MOBILE) or ''32 """ Validate request data """33 # Username validation34 if not HelperAPIValidation.is_valid_username(username.strip()):35 return HelperResponse.response_400(request, messages.VALID_USERNAME)36 # Password Validation37 if not HelperAPIValidation.is_valid_password(password.strip()):38 return HelperResponse.response_400(request, messages.VALID_PASSWORD)39 # Email Validation if filled something40 if email is not None and email.strip() != '' and not HelperAPIValidation.is_valid_email(email.strip()):41 return HelperResponse.response_400(request, messages.INVALID_EMAIL)42 # Mobile Validation if filled something43 if mobile is not None and mobile.strip() != '' and not HelperAPIValidation.is_valid_mobile(mobile.strip()):44 return HelperResponse.response_400(request, messages.VALID_MOBILE)45 # Validate existence of username46 if UserData.objects.filter(user__username=username).exists():47 return HelperResponse.response_400(request, messages.USERNAME_ALREADY_EXISTS)48 else:49 django_user = User.objects.create_user(username=username, email=email)50 django_user.set_password(password)51 django_user.save()52 UserData.objects.create(53 user=django_user,54 email=email,55 mobile=int(mobile) if str(mobile).isdigit() else None56 )57 response = {58 keys.MESSAGE: messages.WELCOME_USERNAME.format(username=username)59 }60 token = HelperAuthentication.obtain_token(request, username=username, password=password)61 return Response(response, status=status.HTTP_200_OK, headers={keys.TOKEN: token})62@swagger_auto_schema(63 operation_id='User Login API', operation_description=doc_descriptions.API_USER_LOGIN,64 method='post', responses={65 200: 'Token will be sent in header and a welcome message in body',66 400: 'Invalid credentials',67 },68 request_body=doc_serializers.UserLoginRequestBody69)70@api_view(['POST'])71def login(request):72 """73 User Login API74 :param request:75 :return:76 """77 HelperCommon.print_method_title("API-Login")78 username = request.data.get(keys.USERNAME) or None79 password = request.data.get(keys.PASSWORD) or None80 django_user = authenticate(request, username=username, password=password)81 if django_user is not None:82 # User exists83 response = {84 keys.MESSAGE: messages.WELCOME_USERNAME.format(username=username)85 }86 token = HelperAuthentication.obtain_token(request, username=username, password=password)87 return Response(response, status=status.HTTP_200_OK, headers={keys.TOKEN: token})88 else:89 # Invalid credentials90 return HelperResponse.response_400(request, messages.INVALID_CREDENTIALS)91@swagger_auto_schema(92 operation_id='User Profile API', operation_description=doc_descriptions.API_USER_LOGIN,93 manual_parameters=[openapi.Parameter(keys.TOKEN, openapi.IN_HEADER, type=openapi.TYPE_STRING, required=True)],94 method='get', response={95 200: doc_serializers.UserProfileResponseBody96 }97)98@api_view(['GET'])99@HelperAuthentication.validate_access_token100def profile(request):101 """102 User Profile GET API103 :param request:104 :return:105 """106 HelperCommon.print_method_title("API- User Profile")107 try:108 decoded_json = HelperAuthentication.decode_access_token(HelperCommon.get_meta_token(request.META))109 username = decoded_json[keys.USERNAME]110 # Get the instance of the user111 user_instance = UserData.objects.get(user__username=username)112 # Get profile data from serializer113 serializer = UserDataSerializer(user_instance, many=False)114 return Response(serializer.data, status=status.HTTP_200_OK,115 headers=HelperCommon.common_response_header(request))116 except Exception as e:117 return HelperResponse.response_400(request, str(e))118@api_view(['POST'])119def logout(request):120 """121 "JWT is stateless"122 THIS API is not needed because existence of token can be managed from the123 frontend application.124 Deleting the token will act as logout.125 :param request:126 :return:127 """...
views.py
Source:views.py
1from rest_framework import generics, status2from .serializers import *3from core.models import *4from core.api.filter import *5from rest_framework.response import Response6from core.api.authentication import *7from rest_framework.permissions import IsAuthenticated8from django_filters.rest_framework import DjangoFilterBackend9response_204 = Response({'status': 204, 'description': 'OK'}, status=status.HTTP_204_NO_CONTENT)10response_400 = Response({'status': 400, 'description': 'Bad request.'}, status=status.HTTP_400_BAD_REQUEST)11response_500 = Response({'status': 500, 'description': 'There is an internal issue.'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)12response_200 = Response({'status': 200, 'description': 'OK.'}, status=status.HTTP_200_OK)13class InsertMovie(generics.CreateAPIView):14 permission_classes = (AdminPermission,)15 serializer_class = MovieSerializer16 def post(self, request, *args, **kwargs):17 if set(request.data.keys()) == set(['name', 'description']):18 try:19 Movie.objects.create(name=request.data['name'], description=request.data['description'])20 return response_20421 except: return response_50022 else: return response_40023class ManageMovie(generics.RetrieveUpdateDestroyAPIView):24 serializer_class = MovieSerializer25 permission_classes = (AdminPermission,)26 def put(self, request, *args, **kwargs):27 if set(request.data.keys()) == set(['name', 'description']):28 try:29 Movie.objects.get(id=kwargs['pk'])30 Movie.objects.filter(id=kwargs['pk']).update(name=request.data['name'], description=request.data['description'])31 return response_20432 except: return response_40033 else: return response_40034 def delete(self, request, *args, **kwargs):35 try:36 movie = Movie.objects.get(id=kwargs['pk'])37 movie.delete()38 return response_20439 except: return response_40040class ManageComment(generics.RetrieveUpdateDestroyAPIView):41 serializer_class = CommentSerializerAdmin 42 def put(self, request, *args, **kwargs):43 if set(request.data.keys()) == set(['approved']):44 try:45 Comment.objects.get(id=kwargs['pk'])46 Comment.objects.filter(id=kwargs['pk']).update(approved=request.data['approved'])47 return response_20448 except: return response_40049 else: return response_40050 def delete(self, request, *args, **kwargs):51 try:52 comment = Comment.objects.get(id=kwargs['pk'])53 comment.delete()54 return response_20455 except: return response_40056class UserVote(generics.CreateAPIView):57 serializer_class = VoteSerializer58 permission_classes = (UserPermission,)59 def post(self, request, *args, **kwargs):60 if set(request.data.keys()) == set(['movie_id', 'vote']):61 try:62 Vote.objects.create(rating=request.data['vote'], movie_id=request.data['movie_id'], user=request.user)63 return response_20464 except: return response_50065 else: return response_40066class UserComment(generics.CreateAPIView):67 serializer_class = CommentSerializer68 permission_classes = (UserPermission,)69 def post(self, request, *args, **kwargs):70 if set(request.data.keys()) == set(['movie_id', 'comment_body']):71 try:72 Movie.objects.get(id=request.data['movie_id'])73 Comment.objects.create(comment=request.data['comment_body'], movie_id=request.data['movie_id'], user=request.user)74 return response_20075 except: return response_40076 else: return response_40077class CommentAPI(generics.ListAPIView):78 permission_classes = (AnonymousPermission,)79 filter_backends = [DjangoFilterBackend]80 filter_class = CommentFilter81 serializer_class = GetCommentSerializer82 def get(self, request, *args, **kwargs):83 try:84 mv = Movie.objects.filter(id=request.query_params['movie_id'])85 mv[0]86 except:87 return response_40088 return super().get(request, *args, **kwargs)89 def get_queryset(self):90 try:91 return Comment.objects.filter(movie_id=self.request.query_params['movie_id'])92 except:93 return Comment.objects.none()94class MovieAPI(generics.ListAPIView):95 permission_classes = (AnonymousPermission,)96 serializer_class = GetMovieSerializer97 def get_queryset(self):98 return Movie.objects.all().order_by('id')99class MovieWithIDAPI(generics.ListAPIView):100 permission_classes = (AnonymousPermission,)101 serializer_class = MovieIDSerializer102 def get(self, request, *args, **kwargs):103 try:104 Movie.objects.get(id=kwargs['pk'])105 except:106 return response_400107 return super().get(request, *args, **kwargs)108 def get_queryset(self):...
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