Pep8 fixes

Reformat codebase a bit so it is easier to work with.

api/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

api/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class ApiConfig(AppConfig):
+    name = 'api'

api/models.py

@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.

api/serializers.py

@@ -0,0 +1,98 @@
+from django import forms
+from django.utils import timezone
+from rest_framework import serializers
+
+from contest.models import Contest, Band, Frequency, QSO, EntryCategory, User, ShadowCall, Reference
+from contest.validators import CallLogValidator
+
+
+class ContestSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Contest
+        # FIXME: add callQrg
+        fields = ('id', 'shortName', 'deadline', 'qsoStartTime', 'qsoEndTime', 'callQrg')
+
+
+class BandSerializer(serializers.ModelSerializer):
+    # contest = ContestSerializer()
+
+    class Meta:
+        model = Band
+        fields = ('id', 'name', 'contest')
+
+
+class FrequencySerializer(serializers.ModelSerializer):
+    # band = BandSerializer()
+
+    class Meta:
+        model = Frequency
+        fields = ('id', 'channel', 'qrg', 'band', 'note')
+
+
+class EntryCategorySerializer(serializers.ModelSerializer):
+    class Meta:
+        model = EntryCategory
+        fields = ('id', 'name', 'description')
+
+
+class ReferenceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Reference
+        fields = ('id', 'name', 'description')
+
+
+class UserSerializer(serializers.ModelSerializer):
+    # ref = ReferenceSerializer()
+    # cat = EntryCategorySerializer()
+
+    class Meta:
+        model = User
+        fields = ('id', 'ref', 'cat', 'location', 'opName', 'regTime', 'dncall', 'qrv2m', 'qrv70cm', 'extra2m70cm')
+        read_only_fields = ('ref', 'location', 'regTime')
+
+    def validate(self, attrs):
+        contest = Contest.get_current_contest()
+        if contest.deadline < timezone.now():
+            raise serializers.ValidationError("The deadline for changing the entry category has passed")
+
+        return attrs
+
+
+class QSOSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = QSO
+        fields = ('id', 'owner', 'time', 'ownNo', 'band', 'call', 'reportTX', 'reportRX', 'refStr', 'remarks')
+        read_only_fields = ('owner',)
+
+    def validate_call(self, value):
+        val = value.strip().upper()
+        try:
+            CallLogValidator()(val)
+        except forms.ValidationError as e:
+            raise serializers.ValidationError({'errors': e.error_list})
+
+        return val
+
+    def validate(self, attrs):
+        ownNo = attrs['ownNo']
+        try:
+            o = QSO.objects.get(owner=self.context['request'].user, ownNo=ownNo)
+            if not (self.instance and self.instance.id and self.instance.id == o.id):
+                raise serializers.ValidationError("You already logged a QSO with the number %s" % ownNo)
+        except QSO.DoesNotExist:
+            pass
+
+        band = attrs.get('band')
+        if band:
+            if band.contest.deadline < timezone.now():
+                raise serializers.ValidationError("The deadline for logging and editing QSOs has passed")
+
+        return attrs
+
+
+class ShadowCallSerializer(serializers.ModelSerializer):
+    ref = ReferenceSerializer()
+
+    class Meta:
+        model = ShadowCall
+        fields = ('id', 'username', 'ref', 'location', 'opName', 'regTime')

api/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

api/urls.py

@@ -0,0 +1,20 @@
+from django.conf.urls import include, url
+from rest_framework import routers
+
+from .views import ContestViewSet, BandViewSet, FrequencyViewSet, EntryCategoryViewSet, ReferenceViewSet, QSOViewSet, \
+    ShadowCallViewSet, UserProfileViewSet
+
+router = routers.DefaultRouter()
+router.register('contests', ContestViewSet)
+router.register('bands', BandViewSet)
+router.register('frequencies', FrequencyViewSet)
+router.register('entrycategories', EntryCategoryViewSet)
+router.register('references', ReferenceViewSet)
+router.register('qsos', QSOViewSet, basename='qso')
+router.register('shadowcalls', ShadowCallViewSet)
+router.register('profile', UserProfileViewSet, basename='profile')
+
+urlpatterns = [
+    url(r'^', include(router.urls)),
+    url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
+]

api/views.py

@@ -0,0 +1,91 @@
+from rest_framework.permissions import IsAuthenticated, IsAdminUser
+from rest_framework import viewsets
+
+from .serializers import ContestSerializer, BandSerializer, FrequencySerializer, EntryCategorySerializer, \
+    ReferenceSerializer, QSOSerializer, ShadowCallSerializer, UserSerializer
+from contest.models import Contest, Band, Frequency, EntryCategory, Reference, QSO, ShadowCall, User
+
+
+class ContestViewSet(viewsets.ReadOnlyModelViewSet):
+    """
+    Resource to list and view all available contests. Use `current/` to get the current Contest.
+    """
+    queryset = Contest.objects.all()
+    serializer_class = ContestSerializer
+    filterset_fields = ['shortName']
+
+    def get_object(self):
+        lookup_url_kwarg = self.lookup_url_kwarg or self.lookup_field
+        if self.kwargs.get(lookup_url_kwarg) == "current":
+            obj = Contest.get_current_contest()
+            self.check_object_permissions(self.request, obj)
+        else:
+            obj = super(ContestViewSet, self).get_object()
+
+        return obj
+
+
+class BandViewSet(viewsets.ReadOnlyModelViewSet):
+    queryset = Band.objects.all()
+    serializer_class = BandSerializer
+    filterset_fields = ['name', 'contest']
+
+
+class FrequencyViewSet(viewsets.ReadOnlyModelViewSet):
+    queryset = Frequency.objects.all()
+    serializer_class = FrequencySerializer
+    filterset_fields = ['band', 'channel']
+
+
+class EntryCategoryViewSet(viewsets.ReadOnlyModelViewSet):
+    queryset = EntryCategory.objects.all()
+    serializer_class = EntryCategorySerializer
+    filterset_fields = ['name']
+
+
+class ReferenceViewSet(viewsets.ReadOnlyModelViewSet):
+    permission_classes = [IsAdminUser]
+    queryset = Reference.objects.all()
+    serializer_class = ReferenceSerializer
+    filterset_fields = ['name']
+
+
+class QSOViewSet(viewsets.ModelViewSet):
+    permission_classes = [IsAuthenticated]
+    serializer_class = QSOSerializer
+    filterset_fields = ['time', 'ownNo', 'band', 'call', 'refStr']
+
+    def get_queryset(self):
+        return QSO.objects.filter(owner=self.request.user)
+
+    def perform_create(self, serializer):
+        return serializer.save(owner=self.request.user)
+
+
+class UserProfileViewSet(viewsets.ModelViewSet):
+    """
+    Resource to view user-profiles, currently restricted to the current user's profile.
+    Use `me/` to get the profile of the currently logged in user.
+    """
+    permission_classes = [IsAuthenticated]
+    serializer_class = UserSerializer
+
+    def get_queryset(self):
+        return User.objects.filter(id=self.request.user.id)
+
+    def get_object(self):
+        lookup_url_kwarg = self.lookup_url_kwarg or self.lookup_field
+        if self.kwargs.get(lookup_url_kwarg) == "me":
+            obj = self.request.user
+            self.check_object_permissions(self.request, obj)
+        else:
+            obj = super(ContestViewSet, self).get_object()
+
+        return obj
+
+
+class ShadowCallViewSet(viewsets.ReadOnlyModelViewSet):
+    permission_classes = [IsAdminUser]
+    queryset = ShadowCall.objects.all()
+    serializer_class = ShadowCallSerializer
+    filterset_fields = ['username', 'ref']

clear_contest.py

@@ -1,8 +1,6 @@
 #!/usr/bin/env python
 from __future__ import print_function
 
-import datetime
-
 # prepare environment
 import sys
 sys.path.append("..")
@@ -11,13 +9,16 @@ os.environ.setdefault("DJANGO_SETTINGS_MODULE", "cqtu.settings")
 import django
 django.setup()
 
-confirm = raw_input("Do are you sure you want to clear all contest data? Answer with uppercase YES: ")
+confirm_msg = "Do are you sure you want to clear all contest data? Answer with uppercase YES: "
+try:
+    confirm = raw_input(confirm_msg)
+except NameError:
+    confirm = input(confirm_msg)
 
 if confirm != "YES":
     print("Aborting")
     sys.exit(1)
 
-
 from contest.models import QSO, ShadowCall, Reference, User
 
 print("{0} QSOs deleted".format(*QSO.objects.all().delete()))

contest/admin.py

@@ -1,9 +1,12 @@
 from django.contrib import admin
+
 from .models import Frequency, Band, Reference, QSO, User, Contest, ShadowCall, EntryCategory
 
 
 class UserAdmin(admin.ModelAdmin):
     list_display = ('username', 'dncall', 'qrv2m', 'qrv70cm', 'extra2m70cm')
+
+
 admin.site.register(User, UserAdmin)
 admin.site.register(QSO)
 admin.site.register(Band)

contest/cbrparser.py

@@ -1,16 +1,16 @@
+import re
+
 from django.shortcuts import render
 from django.contrib.auth.decorators import login_required
-from .models import Contest, Band
 from django.utils import timezone
 from django.contrib import messages
 from django import forms
 from django.urls import reverse
 from django.http import HttpResponseRedirect
 
-
 from .forms import QSOFormWithTime
+from .models import Contest, Band
 
-import re
 
 def parseCBR(raw):
     """ Parse a CBR file for the CQTU
@@ -20,8 +20,9 @@ def parseCBR(raw):
     inside them.
     """
     kvlinere = re.compile(r"^(?P<key>[A-Z-]+):(?: (?P<value>.*))?$")
-	qsore = re.compile(r"^(?P<band>144|432)\s+(?P<mode>[A-Z]{2})\s+(?P<datetime>\d{4}-\d{2}-\d{2} \d{4}) (?P<call_s>[A-Z0-9/-]+)\s+(?P<rst_s>\d{2,3})\s+(?P<exc_s>[A-Z0-9-]+)\s+(?P<call_r>[A-Z0-9/-]+)\s+(?P<rst_r>\d{2,3})\s+(?P<exc_r>[A-Z0-9-]+)\s+0$")
-
+    qsore = re.compile(r"^(?P<band>144|432)\s+(?P<mode>[A-Z]{2})\s+(?P<datetime>\d{4}-\d{2}-\d{2} \d{4}) "
+                       r"(?P<call_s>[A-Z0-9/-]+)\s+(?P<rst_s>\d{2,3})\s+(?P<exc_s>[A-Z0-9-]+)\s+"
+                       r"(?P<call_r>[A-Z0-9/-]+)\s+(?P<rst_r>\d{2,3})\s+(?P<exc_r>[A-Z0-9-]+)\s+0$")
 
     qsoNo = 1
     info = {
@@ -59,14 +60,17 @@ def parseCBR(raw):
                     elif qsoData["band"] == "432":
                         qsoData["band"] = "70cm"
                     else:
-						raise forms.ValidationError("Error parsing band, needs to be either 144 or 432 (as we only support 2m and 70cm in this contest")
+                        raise forms.ValidationError("Error parsing band, needs to be either 144 or 432 "
+                                                    "(as we only support 2m and 70cm in this contest")
 
                     info["qsos"].append(qsoData)
 
                     if info["call"] != qsoData["call_s"]:
-						raise forms.ValidationError("Error in line %d: qso was not made by you? (callsigns do not match)" % n)
+                        raise forms.ValidationError("Error in line %d: qso was not made by you? "
+                                                    "(callsigns do not match)" % n)
                     if info["location"] != qsoData["exc_s"]:
-						raise forms.ValidationError("Error in line %d: exchange does not match your location? (callsigns do not match)" % n)
+                        raise forms.ValidationError("Error in line %d: exchange does not match your location? "
+                                                    "(callsigns do not match)" % n)
                 else:
                     raise forms.ValidationError("Error in line %d: qso was broken, regex did not match" % n)
 
@@ -79,8 +83,10 @@ def parseCBR(raw):
 
     return info
 
+
 class CBRForm(forms.Form):
-	data = forms.CharField(widget=forms.Textarea, label="Cabrillo data", help_text="Paste your cabrillo file contents here")
+    data = forms.CharField(widget=forms.Textarea, label="Cabrillo data",
+                           help_text="Paste your cabrillo file contents here")
 
     def clean_data(self):
         rawData = self.cleaned_data["data"]
@@ -88,6 +94,7 @@ class CBRForm(forms.Form):
 
         return parsedData
 
+
 def checkCBRConsistency(contest, user, info):
     errors = []
     qsos = []
@@ -95,11 +102,11 @@ def checkCBRConsistency(contest, user, info):
         errors.append("You are not the owner of this logfile! (%s != %s)" % (user.username, info["call"]))
 
     if user.ref.name != info["location"]:
-		errors.append("Location of logfile and registered exchange do not match! (%s != %s)" % (user.ref.name, info["location"]))
+        errors.append("Location of logfile and registered exchange do not match! (%s != %s)" % (user.ref.name,
+                                                                                                info["location"]))
 
     for n, qsoData in enumerate(info["qsos"], 1):
         qsoFormData = {
-			#"owner": user,
             "time": qsoData["datetime"],
             "call": qsoData["call_r"],
             "band": Band.objects.get(contest=contest, name=qsoData["band"]).id,
@@ -119,6 +126,7 @@ def checkCBRConsistency(contest, user, info):
 
     return qsos, errors
 
+
 @login_required
 def uploadCBR(request):
     if not request.user.ref:
@@ -149,7 +157,8 @@ def uploadCBR(request):
                         if cnt > 0:
                             messages.success(request, "%d QSOs have been saved from the cbr file" % cnt)
                         else:
-							messages.warnnig(request, "CBR file was parsed, but no QSOs could be saved, as all cointained errors.")
+                            messages.warnnig(request, "CBR file was parsed, but no QSOs could be saved, "
+                                                      "as all cointained errors.")
 
                         return HttpResponseRedirect(reverse("contest:uploadCBR"))
         else:
@@ -157,4 +166,6 @@ def uploadCBR(request):
     else:
         deadline = True
 
-	return render(request, "contest/uploadCBR.html", {"deadline": deadline, 'form': form, 'verifyData': verifyData, 'verifyErrors': verifyErrors, 'save': save, 'saved': saved})
+    return render(request, "contest/uploadCBR.html",
+                  {"deadline": deadline, 'form': form, 'verifyData': verifyData, 'verifyErrors': verifyErrors,
+                   'save': save, 'saved': saved})

contest/forms.py

@@ -1,14 +1,14 @@
-from django import forms
-from django.contrib.auth.forms import UserCreationForm
-from django.utils import timezone
-
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import Submit, Layout
+from django import forms
+from django.contrib.auth.forms import UserCreationForm
 from django.urls import reverse
+from django.utils import timezone
 
 from .models import User, Reference, QSO, ShadowCall, EntryCategory, Contest
 from .validators import CallUsernameValidator, CallLogValidator
 
+
 class CustomUserCreationForm(UserCreationForm):
     class Meta:
         model = User
@@ -17,11 +17,15 @@ class CustomUserCreationForm(UserCreationForm):
     username = forms.CharField(max_length=50, validators=[CallUsernameValidator()])
     email = forms.EmailField(required=True)
 
-class UpdateRefForm(forms.Form):
-	existingRef = forms.ModelChoiceField(label="Existing Exchange", queryset=Reference.objects.all(), help_text="If exchange already exists, select it here.", required=False)
-	newRefName = forms.CharField(max_length=50, label="New Exchange", help_text="Enter name of new exchange, if we should create a new", required=False)
 
-	location = forms.CharField(max_length=128, label='Exact Location', help_text="E.g. MAR bei den Fahrstuehlen, TEL 15. OG", required=False)
+class UpdateRefForm(forms.Form):
+    existingRef = forms.ModelChoiceField(label="Existing Exchange", queryset=Reference.objects.all(),
+                                         help_text="If exchange already exists, select it here.", required=False)
+    newRefName = forms.CharField(max_length=50, label="New Exchange",
+                                 help_text="Enter name of new exchange, if we should create a new", required=False)
+
+    location = forms.CharField(max_length=128, label='Exact Location',
+                               help_text="E.g. MAR bei den Fahrstuehlen, TEL 15. OG", required=False)
     opName = forms.CharField(max_length=128, label='Operators', help_text="Name of operator(s)", required=False)
     regTime = forms.DateTimeField(label="Registration time", help_text="Time of Registration")
 
@@ -49,8 +53,10 @@ class UpdateRefForm(forms.Form):
         if not existingRef and not newRefName:
             raise forms.ValidationError("Select either an existing exchange or create a new one!")
 
+
 class UpdateCategoryForm(forms.Form):
     entry = forms.ModelChoiceField(label="Entry category", queryset=EntryCategory.objects.all())
+
     def __init__(self, *args, **kwargs):
         super(UpdateCategoryForm, self).__init__(*args, **kwargs)
 
@@ -68,6 +74,7 @@ class UpdateCategoryForm(forms.Form):
         if contest.deadline < timezone.now():
             raise forms.ValidationError("The deadline for setting your contest category has passed")
 
+
 class QSOForm(forms.ModelForm):
     class Meta:
         model = QSO
@@ -90,11 +97,8 @@ class QSOForm(forms.ModelForm):
         #     #*(QSOForm.Meta.fields +  [ButtonHolder(Submit('submit', 'Submit', css_class='button white'))]))
         #     *(QSOForm.Meta.fields +  [FormActions(Submit('submit', 'Log!'))]))
 
-
     def clean_call(self):
         data = self.cleaned_data["call"].upper().strip()
-		if Reference.objects.filter(name=data).count() > 0:
-			raise forms.ValidationError("Reference already exists")
 
         try:
             CallLogValidator()(data)
@@ -143,12 +147,14 @@ class QSOForm(forms.ModelForm):
         if band.contest.deadline < timezone.now():
             raise forms.ValidationError("The deadline for logging and editing QSOs has passed")
 
+
 class QSOFormWithTime(QSOForm):
     class Meta:
         model = QSO
         # fields = ["time", "ownNo", "band", "call", "reportTX", "reportRX", "otherNo", "refStr", "remarks"]
         fields = ["time", "ownNo", "band", "call", "reportTX", "reportRX", "refStr", "remarks"]
 
+
 class ShadowCallAddForm(forms.ModelForm):
 
     class Meta:

contest/models.py

@@ -2,13 +2,14 @@ from __future__ import unicode_literals
 
 import datetime
 
-from django.db import models
 from django.contrib.auth.models import AbstractUser
-from django.core.validators import RegexValidator
+from django.core.validators import RegexValidator, MinValueValidator, MaxValueValidator
+from django.db import models
 from django.db.models import Q, signals
 
-from .validators import CallUsernameValidator
 from .signals import checkForShadowCall
+from .validators import CallUsernameValidator
+
 
 class Contest(models.Model):
     name = models.CharField(max_length=20)
@@ -22,6 +23,11 @@ class Contest(models.Model):
     def __str__(self):
         return self.name
 
+    @classmethod
+    def get_current_contest(cls):
+        return cls.objects.get(id=1)
+
+
 class Reference(models.Model):
     name = models.CharField(max_length=20, unique=True, db_index=True)
     description = models.TextField()
@@ -29,6 +35,7 @@ class Reference(models.Model):
     def __str__(self):
         return self.name
 
+
 class EntryCategory(models.Model):
     name = models.CharField(max_length=64, unique=True)
     description = models.TextField(blank=True)
@@ -36,6 +43,7 @@ class EntryCategory(models.Model):
     def __str__(self):
         return self.name
 
+
 class ShadowCall(models.Model):
     username = models.CharField(max_length=20, unique=True, db_index=True, validators=[CallUsernameValidator()])
     ref = models.ForeignKey(Reference, models.SET_NULL, null=True, blank=True)
@@ -47,13 +55,14 @@ class ShadowCall(models.Model):
     def __str__(self):
         return self.username
 
+
 class User(AbstractUser):
     ref = models.ForeignKey(Reference, models.SET_NULL, null=True, blank=True)
     cat = models.ForeignKey(EntryCategory, models.SET_NULL, null=True, blank=True)
 
     location = models.CharField(max_length=128, default="", blank=True)
     opName = models.CharField(max_length=128, default="", blank=True)
-	regTime = models.DateTimeField(null=True, default=None)
+    regTime = models.DateTimeField(null=True, default=None, blank=True)
 
     # because of cbr parsing bug, we sometimes have users who only have 70cm qsos
     # we ignore the band for them when checking QSOs
@@ -72,7 +81,8 @@ class User(AbstractUser):
                                   help_text="Will you be QRV on 70cm during the contest?")
     extra2m70cm = models.BooleanField(default=False,
                                       verbose_name="Additional 2m/70cm TRX",
-                                        help_text="Will you bring an additional 2m/70cm TRX to lend to other participants?")
+                                      help_text="Will you bring an additional 2m/70cm TRX to lend to "
+                                                "other participants?")
 
     def __init__(self, *args, **kwargs):
         super(User, self).__init__(*args, **kwargs)
@@ -119,8 +129,11 @@ class User(AbstractUser):
             "qsoCount": qsos.count(),
             "refCount": len(refs)
         }
+
+
 signals.post_save.connect(checkForShadowCall, sender=User)
 
+
 class Band(models.Model):
     name = models.CharField(max_length=10)
     contest = models.ForeignKey(Contest)
@@ -128,6 +141,7 @@ class Band(models.Model):
     def __str__(self):
         return self.name
 
+
 class Frequency(models.Model):
     # qrg
     # band
@@ -140,7 +154,9 @@ class Frequency(models.Model):
     def __str__(self):
         return "Channel %s: %s MHz" % (self.channel, self.qrg)
 
+
 class QSO(models.Model):
+    MAX_NO_VALUE = 1000000
     reportValidator = RegexValidator("[1-5][1-9]")
 
     class Meta:
@@ -157,8 +173,9 @@ class QSO(models.Model):
     reportTX = models.CharField(max_length=7, default=59, verbose_name='RS-S', validators=[reportValidator])
     reportRX = models.CharField(max_length=7, default=59, verbose_name='RS-R', validators=[reportValidator])
 
-	ownNo = models.IntegerField(verbose_name='No')
-	otherNo = models.IntegerField(verbose_name='No-R', null=True, blank=True)
+    ownNo = models.IntegerField(verbose_name='No', validators=[MinValueValidator(1), MaxValueValidator(MAX_NO_VALUE)])
+    otherNo = models.IntegerField(verbose_name='No-R', null=True, blank=True,
+                                  validators=[MinValueValidator(1), MaxValueValidator(MAX_NO_VALUE)])
 
     refStr = models.CharField(max_length=20, verbose_name="EXC")
     ref = models.ForeignKey(Reference, models.SET_NULL, null=True, blank=True)
@@ -221,7 +238,8 @@ class QSO(models.Model):
         if self.ref and self.callRef and self.callRef.ref and not self.cfmdQSO:
             # look for a matching line
             q = QSO.objects.filter(
-				(Q(time__lte=self.time + datetime.timedelta(seconds=self.CFMD_SEC)) & Q(time__gte=self.time - datetime.timedelta(seconds=self.CFMD_SEC))),
+                (Q(time__lte=self.time + datetime.timedelta(seconds=self.CFMD_SEC)) &
+                 Q(time__gte=self.time - datetime.timedelta(seconds=self.CFMD_SEC))),
                 owner=self.callRef,
                 callRef=self.owner,
                 owner__ref=self.ref,
@@ -243,4 +261,6 @@ class QSO(models.Model):
         super(QSO, self).save(*args, **kwargs)
 
     def __str__(self):
-		return "QSO no %s at %s on band %s from %s with %s@%s %s/%s" % (self.ownNo, self.time.strftime("%H:%M"), self.band, self.owner.username, self.call, self.refStr, self.reportTX, self.reportRX)
+        return "QSO no %s at %s on band %s from %s with %s@%s %s/%s" % (self.ownNo, self.time.strftime("%H:%M"),
+                                                                        self.band, self.owner.username, self.call,
+                                                                        self.refStr, self.reportTX, self.reportRX)

contest/validators.py

@@ -8,7 +8,6 @@ import re
 
 @deconstructible
 class CallUsernameValidator(validators.RegexValidator):
-    #regex = r'^[\w.@+-]+$'
     regex = r'^(?:[A-Z]+/)?[A-Z]{1,2}[0-9][A-Z]{1,4}(?:-[0-9])??$'
     message = _(
         'Enter a valid Callsign as Username, ALL UPPERCASE, if needed with -1 / -2,'
@@ -18,11 +17,9 @@ class CallUsernameValidator(validators.RegexValidator):
 
 @deconstructible
 class CallLogValidator(validators.RegexValidator):
-    #regex = r'^[\w.@+-]+$'
     regex = r'^(?:[A-Z]+/)?[A-Z]{1,2}[0-9][A-Z]{1,4}(?:-[0-9])?(?:/[A-Z]{1,3})?$'
     message = _(
         'Enter a valid callsign, ALL UPPERCASE, if needed with -1 / -2,'
         'e.g. DL7BST, DN1BER-1, DL/OE1FOO, DN1FTW-1/p'
     )
     flags = re.ASCII if six.PY3 else 0
-

contest/views.py

@@ -1,8 +1,8 @@
-from django.shortcuts import render, get_object_or_404
+import datetime
 
+from django.shortcuts import render, get_object_or_404
 from django.contrib.auth.decorators import login_required
 from django.contrib.admin.views.decorators import staff_member_required
-#from django.db.models import Q
 from django.contrib.auth.forms import AuthenticationForm, PasswordChangeForm
 from django.http import HttpResponseRedirect
 from django.contrib import messages
@@ -11,12 +11,10 @@ from django.contrib.auth import login as auth_login
 from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
 from django.utils import timezone
 
-
-
-import datetime
-
 from .models import User, Contest, Frequency, Reference, QSO, ShadowCall
-from .forms import UpdateRefForm, QSOForm, QSOFormWithTime, CustomUserCreationForm, ShadowCallAddForm, UpdateCategoryForm
+from .forms import UpdateRefForm, QSOForm, QSOFormWithTime, CustomUserCreationForm, ShadowCallAddForm, \
+    UpdateCategoryForm
+
 
 def index(request):
     if request.user.is_authenticated():
@@ -24,6 +22,7 @@ def index(request):
 
     return render(request, "index.html", {"loginForm": AuthenticationForm()})
 
+
 @login_required
 def contestIndex(request):
     qsoform = QSOForm(request.user)
@@ -32,6 +31,7 @@ def contestIndex(request):
 
     return render(request, 'contest/index.html', {"qsoform": qsoform, "contest": contest, "qrgs": qrgs})
 
+
 @login_required
 def log(request):
     if not request.user.ref:
@@ -68,9 +68,9 @@ def log(request):
         form = QSOForm(request.user, initial=data)
         form.helper.form_tag = False
 
-
     return render(request, 'contest/log.html', {'form': form, 'qsos': qsos})
 
+
 @login_required
 def logEdit(request, qsoid):
     if not request.user.ref:
@@ -91,6 +91,7 @@ def logEdit(request, qsoid):
 
     return render(request, 'contest/logEdit.html', {'form': form, "qso": qso})
 
+
 def logDelete(request, qsoid):
     if not request.user.ref:
         return HttpResponseRedirect(reverse("contest:index"))
@@ -109,7 +110,6 @@ def logDelete(request, qsoid):
     return render(request, 'contest/logDelete.html', {"qso": qso})
 
 
-
 @staff_member_required
 def registerRefs(request):
     allUser = User.objects.all()
@@ -127,7 +127,9 @@ def registerRefs(request):
     else:
         shadowForm = ShadowCallAddForm()
 
-	return render(request, 'contest/registerRefs.html', {'alluser': allUser, "qsos": qsos, "shadowForm": shadowForm, "shadows": shadows})
+    return render(request, 'contest/registerRefs.html',
+                  {'alluser': allUser, "qsos": qsos, "shadowForm": shadowForm, "shadows": shadows})
+
 
 def getPage(paginator, pageNo):
     try:
@@ -153,6 +155,7 @@ def recheckAllQSOs(request):
 
     return render(request, "contest/checkAllQSOs.html", {})
 
+
 @staff_member_required
 def viewUserQSOs(request, uid, page=1):
     user = get_object_or_404(User, id=uid)
@@ -162,7 +165,9 @@ def viewUserQSOs(request, uid, page=1):
 
     userRefs = set(map(lambda _x: _x["refStr"], user.qso_set.filter(ref__isnull=False).values("ref", "refStr")))
 
-	return render(request, "contest/viewUserQSOs.html", {'owner': user, 'qsos': qsos, 'qsoPage': qsoPage, 'userRefs': userRefs})
+    return render(request, "contest/viewUserQSOs.html",
+                  {'owner': user, 'qsos': qsos, 'qsoPage': qsoPage, 'userRefs': userRefs})
+
 
 @staff_member_required
 def updateRef(request, shadow, uid):
@@ -208,6 +213,7 @@ def updateRef(request, shadow, uid):
 
     return render(request, 'contest/updateRef.html', {'userobj': user, 'form': form, "shadow": shadow})
 
+
 @staff_member_required
 def viewAllQSOs(request, page=1):
     qsos = QSO.objects.all().order_by("-time")
@@ -216,12 +222,14 @@ def viewAllQSOs(request, page=1):
 
     return render(request, 'contest/viewAllQSOs.html', {'qsoPage': qsoPage})
 
+
 def overview(request):
     # FIXME: Hardcoded for cqtu... everywhere
     c = Contest.objects.get(id=1)
     qrgs = Frequency.objects.filter(band__contest=c).order_by("channel")
     return render(request, 'contest/overview.html', {'contest': c, 'qrgs': qrgs})
 
+
 def register(request):
     form = None
     if request.method == 'POST':
@@ -237,6 +245,7 @@ def register(request):
 
     return render(request, 'registration/register.html', {"form": form})
 
+
 @login_required
 def profile(request):
     pwForm = None

cqtu/settings.py

@@ -40,11 +40,13 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
-	
     'crispy_forms',
+    'rest_framework',
+    'django_filters',
 
     # local
     'contest',
+    'api',
 ]
 
 MIDDLEWARE = [
@@ -105,12 +107,6 @@ AUTH_PASSWORD_VALIDATORS = [
             'min_length': 4,
         },
     },
-    #{
-    #    'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
-    #},
-    #{
-    #    'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
-    #},
 ]
 
 
@@ -143,3 +139,6 @@ MESSAGE_TAGS = {
     messages.ERROR: 'danger',
 }
 
+REST_FRAMEWORK = {
+    'DEFAULT_FILTER_BACKENDS': ['django_filters.rest_framework.DjangoFilterBackend']
+}

cqtu/urls.py

@@ -15,16 +15,11 @@ Including another URLconf
 """
 from django.conf.urls import url, include
 from django.contrib import admin
-
 from django.contrib.auth import views as auth_views
-#from django.views.generic.edit import CreateView
-#from django.contrib.auth.forms import UserCreationForm
 
-#from contest.forms import CustomUserCreationForm
 from contest.views import index, register, profile
 
 
-
 urlpatterns = [
     url('^$', index, name="index"),
     url('^cqtufm2019/', include('contest.urls', namespace='contest')),
@@ -34,9 +29,5 @@ urlpatterns = [
     url(r'^logout/$', auth_views.logout, {'next_page': '/'}, name='logout'),
     url(r'^register/$', register, name='register'),
     url(r'^profile/$', profile, name='profile'),
-	#url(r'^register/$', CreateView.as_view(
-	#			template_name='registration/register.html',
-	#			form_class=CustomUserCreationForm,
-	#			success_url='/',
-	#), name='register'),
+    url(r'^api/', include('api.urls')),
 ]

requirements.txt

@@ -1,2 +1,4 @@
-Django==1.10
+Django<1.12
 django-crispy-forms
+django-rest-framework
+django-filter

templates/registration/register.html

@@ -10,7 +10,10 @@
 			<div class="panel-body">
 				<p>
 				Please register with your (uppercase) Callsign as Usernames.
-				For DN-Calls, -[0-9] is allowed.
+				For DN-Calls, -[0-9] is allowed (e.g. DN1ABC-2 for the second group).
+				</p>
+                <p>
+                Note: If you are a <strong>Ham/OM/YL</strong> please with your <strong>own</strong> callsign (e.g. DL7DOC). If you are a <strong>SWL</strong>, please use the <strong>DN-Call provided</strong> by your operator.
                 </p>
 				<form method="POST" action="{% url 'register' %}">
 				{% csrf_token %}