Pylint happiness!

accounts/tests.py

@@ -1,22 +1,37 @@
+# -*- coding: utf-8
+"""
+Account management module for the Duck Booking Tool backend
+"""
+
 from django.test import TestCase, Client
 from django_webtest import WebTest
 from django.contrib.auth.models import User
 from django.contrib.auth.forms import UserCreationForm
 
 class FrontTest(TestCase):
+    """
+    Test front-end capabilities of the accounts module
+    """
+
     def setUp(self):
         self.client = Client()
 
-        self.admin = User.objects.create_user(
+        self.admin = User.objects.create_user(username='admin',
-            username = 'admin',
+                                              password='password')
-            password = 'password')
-        self.admin.save()
 
     def test_login_page(self):
+        """
+        Test for the existence of the login page
+        """
+
         response = self.client.get('/accounts/login')
         self.assertEqual(response.status_code, 200)
 
     def test_login(self):
+        """
+        Test login functionality
+        """
+
         response = self.client.post('/accounts/login', {
             'next': '/',
             'username': 'admin',
@@ -25,17 +40,33 @@ class FrontTest(TestCase):
         self.assertRedirects(response, '/')
 
     def test_logout(self):
-        self.client.login(username = 'admin', password = 'aeou')
+        """
+        Test the logout page
+        """
+
+        self.client.login(username='admin', password='aeou')
 
         response = self.client.get('/accounts/logout')
         self.assertRedirects(response, '/')
 
     def test_registration_page(self):
+        """
+        Test for existence of the registration page
+        """
+
         response = self.client.get('/accounts/register')
         self.assertEqual(response.status_code, 200)
 
 class RegFormTest(WebTest):
+    """
+    Test case for the registration form
+    """
+
     def test_valid_data(self):
+        """
+        Test valid registration without actual HTTP requests
+        """
+
         form_data = {
             'username': 'test',
             'password1': 'password',
@@ -51,6 +82,10 @@ class RegFormTest(WebTest):
         self.assertNotEqual(user.password, 'password')
 
     def test_empty(self):
+        """
+        Test empty registration form
+        """
+
         form_data = {}
         form = UserCreationForm(form_data)
         self.assertFalse(form.is_valid())
@@ -61,11 +96,19 @@ class RegFormTest(WebTest):
         })
 
     def test_form_error(self):
+        """
+        Test incomplete registration
+        """
+
         page = self.app.get('/accounts/register')
         page = page.form.submit()
         self.assertContains(page, "This field is required.")
 
     def test_form_success(self):
+        """
+        Test for successful registrations
+        """
+
         page = self.app.get('/accounts/register')
         page.form['username'] = 'test'
         page.form['password1'] = 'password'

accounts/urls.py

@@ -1,24 +1,28 @@
-from django.conf.urls import patterns, url
+# -*- coding: utf-8
+"""
+URL patterns for the accounts module
+"""
+
+from django.conf.urls import url
 
 from .views import RegistrationFormView
 
-urlpatterns = patterns(
+urlpatterns = [
-    '',
     url(
         r'^register$',
         RegistrationFormView.as_view(),
-        name = 'register'
+        name='register'
     ),
     url(
         r'^login$',
         'django.contrib.auth.views.login',
         {'template_name': 'accounts/login.html'},
-        name = 'login'
+        name='login'
     ),
     url(
         r'^logout$',
         'django.contrib.auth.views.logout',
         {'next_page': 'booking:list'},
-        name = 'logout'
+        name='logout'
     ),
-)
+]

accounts/views.py

@@ -1,3 +1,8 @@
+# -*- coding: utf-8
+"""
+Views for the accounts module
+"""
+
 from django.shortcuts import render
 from django.views import generic
 from django.http import HttpResponseRedirect
@@ -5,14 +10,26 @@ from django.core.urlresolvers import reverse
 from django.contrib.auth.forms import UserCreationForm
 
 class RegistrationFormView(generic.View):
+    """
+    Class to display the registration form
+    """
+
     form_class = UserCreationForm
     template_name = 'accounts/registration.html'
 
     def get(self, request):
+        """
+        Implementation of the GET method
+        """
+
         form = self.form_class()
-        return render(request, self.template_name, { 'form': form })
+        return render(request, self.template_name, {'form': form})
 
     def post(self, request):
+        """
+        Implementation of the POST method
+        """
+
         form = self.form_class(request.POST)
 
         if form.is_valid():

api/serializers.py

@@ -1,10 +1,18 @@
 # -*- coding: utf-8 -*-
+"""
+Serializers for the Duck Booking Tool API
+"""
+
 from django.core.exceptions import ImproperlyConfigured
 from rest_framework import serializers
 
 from booking.models import Duck, Competence, DuckCompetence
 
 class NamespacedSerializer(serializers.HyperlinkedModelSerializer):
+    """
+    HyperlinkedModelSerializer with URL namespace support
+    """
+
     def __init__(self, *args, **kwargs):
         if not hasattr(self.Meta, 'url_namespace') or self.Meta.url_namespace is None:
             raise ImproperlyConfigured("namespace must be set!")
@@ -17,7 +25,7 @@ class NamespacedSerializer(serializers.HyperlinkedModelSerializer):
         if not self.url_namespace.endswith(':'):
             self.url_namespace += ':'
 
-        return super(NamespacedSerializer, self).__init__(*args, **kwargs)
+        super(NamespacedSerializer, self).__init__(*args, **kwargs)
 
     def build_url_field(self, field_name, model_class):
         field_class, field_kwargs = super(NamespacedSerializer, self) \
@@ -32,12 +40,20 @@ class NamespacedSerializer(serializers.HyperlinkedModelSerializer):
         return field_class, field_kwargs
 
 class CompetenceSerializer(NamespacedSerializer):
+    """
+    Serializer for Competence objects
+    """
+
     class Meta:
         url_namespace = 'api'
         model = Competence
         fields = ('url', 'name',)
 
 class DuckCompetenceSerializer(NamespacedSerializer):
+    """
+    Serializer for DuckCompetence objects
+    """
+
     comp = CompetenceSerializer()
 
     class Meta:
@@ -46,6 +62,10 @@ class DuckCompetenceSerializer(NamespacedSerializer):
         fields = ('comp', 'up_minutes', 'down_minutes',)
 
 class DuckSerializer(NamespacedSerializer):
+    """
+    Serializer for Duck objects
+    """
+
     competences = DuckCompetenceSerializer(many=True)
 
     class Meta:

api/tests.py

@@ -1,5 +1,8 @@
 # -*- coding: utf-8
-from django.test import TestCase, Client
+"""
+Test cases for API calls
+"""
+
 from django.contrib.auth.models import User
 from django.conf import settings
 from django_webtest import WebTest
@@ -10,6 +13,10 @@ from booking.ducklevel import level_to_up_minutes
 from booking.models import Species, Location, Duck, Competence, DuckCompetence
 
 class DuckClassTest(WebTest):
+    """
+    Test case for duck related API calls
+    """
+
     csrf_checks = False
 
     def setUp(self):
@@ -46,10 +53,18 @@ class DuckClassTest(WebTest):
                                       down_minutes=0)
 
     def test_book_nonlogged(self):
+        """
+        Test booking without logging in
+        """
+
         page = self.app.post('/api/v1/ducks/1/book/', expect_errors=True)
         self.assertEqual(page.status_code, 403)
 
     def test_book_nonexist(self):
+        """
+        Test booking a non-existing duck
+        """
+
         # Try to book a non-existing duck
         page = self.app.post(
             '/api/v1/ducks/9999/book/',
@@ -71,6 +86,10 @@ class DuckClassTest(WebTest):
         self.assertEqual(404, page.status_code)
 
     def test_book_warn(self):
+        """
+        Test duck booking for a competence the duck is not good at
+        """
+
         url = '/api/v1/ducks/%d/book/' % self.duck.pk
         comp_none = Competence.objects.create(name='test3',
                                               added_by=self.user)
@@ -107,6 +126,10 @@ class DuckClassTest(WebTest):
         self.assertEquals(page_json['status'], 'ok')
 
     def test_book_good(self):
+        """
+        Test duck booking for a competence the duck is good at
+        """
+
         test_data = {
             "competence": self.comp_good.pk
         }
@@ -127,6 +150,10 @@ class DuckClassTest(WebTest):
         self.assertEqual('already-booked', page_json['status'])
 
     def test_duck_donation(self):
+        """
+        Test duck donating functionality
+        """
+
         # Duck donation should not be allowed without logging in
         page = self.app.get('/api/v1/ducks/donate/', expect_errors=True)
         self.assertEquals(page.status_code, 403)
@@ -135,16 +162,19 @@ class DuckClassTest(WebTest):
         page = self.app.post('/api/v1/ducks/donate/', expect_errors=True)
         self.assertEquals(page.status_code, 403)
 
-        page = self.app.post(
+        self.app.post(
             '/api/v1/ducks/donate/',
             params={
                 'species': 1,
                 'color': '123456',
             },
             user=self.user)
-        page_json = json.loads(page.content)
 
     def test_duck_details(self):
+        """
+        Test duck details view
+        """
+
         url = '/api/v1/ducks/%d/' % self.duck.pk
         page = self.app.get(url)
         self.assertEqual(200, page.status_code)

api/urls.py

@@ -1,4 +1,7 @@
-from django.conf.urls import patterns, url, include
+# -*- coding: utf-8
+"""
+URL definitions for version 1 of the Duck Booking Tool API
+"""
 
 from rest_framework import routers
 

api/views.py

@@ -1,22 +1,32 @@
 # -*- coding: utf-8 -*-
+"""
+Views for the Duck Booking Tool API
+"""
+
 from django.conf import settings
-from django.contrib.auth.models import User
 from django.shortcuts import get_object_or_404
 from rest_framework import viewsets
 from rest_framework.decorators import detail_route, list_route
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
 
-from .serializers import DuckSerializer, CompetenceSerializer, \
+from .serializers import DuckSerializer, CompetenceSerializer
-                         DuckCompetenceSerializer
+from booking.models import Duck, Competence, Booking
-from booking.models import Duck, Competence, Booking, DuckCompetence
 
 class DuckViewSet(viewsets.ModelViewSet):
+    """
+    View set for duck handling
+    """
+
     serializer_class = DuckSerializer
     queryset = Duck.objects.all()
 
     @detail_route(methods=['post'], permission_classes=[IsAuthenticated])
     def book(self, request, pk=None):
+        """
+        API call to book a duck
+        """
+
         duck = self.get_object()
         competence = get_object_or_404(Competence, pk=request.data['competence'])
         force = request.data.get('force', False)
@@ -54,8 +64,16 @@ class DuckViewSet(viewsets.ModelViewSet):
 
     @list_route(methods=['post'], permission_classes=[IsAuthenticated])
     def donate(self, request):
+        """
+        API call to donate a new duck
+        """
+
         return Response({'Woot!'})
 
 class CompetenceViewSet(viewsets.ModelViewSet):
+    """
+    View set for competence handling
+    """
+
     serializer_class = CompetenceSerializer
     queryset = Competence.objects.all()

booking/admin.py

@@ -1,5 +1,12 @@
+# -*- coding: utf-8
+"""
+Administration site definition for the Duck Booking Tool
+"""
+
 from django.contrib import admin
-from booking.models import Species, Location, Competence, Duck, Booking, DuckCompetence, DuckName, DuckNameVote
+from booking.models import Species, Location, Competence, Duck, \
+                           Booking, DuckCompetence, DuckName, \
+                           DuckNameVote
 
 admin.site.register(Species)
 admin.site.register(Location)

booking/ducklevel.py

@@ -1,19 +1,35 @@
+# -*- coding: utf-8
+"""
+Duck level calculations
+"""
+
 from django.conf import settings
 import math
 
 def level_to_up_minutes(level):
+    """
+    Convert duck level to up minutes
+    """
+
     if level == 0:
         return 0
 
     return 2 * pow(10, level)
 
 def level_to_down_minutes(level):
+    """
+    Convert duck level to down minutes
+    """
+
     if level == 0:
         return 0
 
     return 20 * pow(10, level)
 
 def minutes_to_level(up_minutes, down_minutes):
+    """
+    Convert booking minutes to duck level
+    """
     minutes = up_minutes + down_minutes / 10
     level = 0 if minutes <= 0 else min(settings.MAX_DUCK_LEVEL, math.floor(math.log10(minutes)))
 

booking/models.py

@@ -1,32 +1,45 @@
 # -*- coding: utf-8 -*-
+"""
+Models for the Duck Booking Tool
+"""
 
-from django.db import models
-from django.contrib.auth.models import User
-from django.utils import timezone
 from django.conf import settings
+from django.contrib.auth.models import User
+from django.db import models
+from django.utils import timezone
+from django.utils.encoding import python_2_unicode_compatible
 
 from fuzzywuzzy import fuzz
 
 from .ducklevel import minutes_to_level
 
+@python_2_unicode_compatible
 class Species(models.Model):
-    """Model to hold the Ducks’ species"""
+    """
+    Model to hold the Ducks’ species
+    """
 
     name = models.CharField(max_length=40, unique=True)
 
     def __str__(self):
         return self.name
 
+@python_2_unicode_compatible
 class Location(models.Model):
-    """Model to hold the possible locations of the Ducks"""
+    """
+    Model to hold the possible locations of the Ducks
+    """
 
     name = models.CharField(max_length=50)
 
     def __str__(self):
         return self.name
 
+@python_2_unicode_compatible
 class Competence(models.Model):
-    """Model to hold Duck competences"""
+    """
+    Model to hold Duck competences
+    """
 
     name = models.CharField(max_length=255, unique=True)
     added_at = models.DateTimeField(default=timezone.now)
@@ -37,20 +50,27 @@ class Competence(models.Model):
 
     @classmethod
     def get_similar_comps(cls, name):
+        """
+        Get competence names similar to name
+        """
+
         comps = cls.objects.values_list('name', flat=True)
         ret = ()
 
-        for c in comps:
+        for competence in comps:
-            r = fuzz.ratio(name.lower(), c.lower())
+            similarity = fuzz.ratio(name.lower(), competence.lower())
 
             # This ratio is subject to change
-            if r > settings.MIN_FUZZY_SIMILARITY:
+            if similarity > settings.MIN_FUZZY_SIMILARITY:
-                ret = ret + (c,)
+                ret = ret + (competence,)
 
         return ret
 
+@python_2_unicode_compatible
 class Duck(models.Model):
-    """Model to hold Duck data"""
+    """
+    Model to hold Duck data
+    """
 
     name = models.CharField(max_length=80, null=True, blank=True)
     color = models.CharField(max_length=6)
@@ -72,6 +92,11 @@ class Duck(models.Model):
         return self.name
 
     def age(self):
+        """
+        Get the age of the duck (time since the duck has been registered
+        in the tool)
+        """
+
         seconds_d = timezone.now() - self.donated_at
         seconds = seconds_d.total_seconds()
 
@@ -81,6 +106,10 @@ class Duck(models.Model):
         return seconds
 
     def dpx(self):
+        """
+        Get the Duck Popularity indeX for this duck
+        """
+
         all_time = Booking.total_booking_time()
         duck_time = Booking.duck_booking_time(self)
 
@@ -90,18 +119,25 @@ class Duck(models.Model):
         return Booking.duck_booking_time(self) / Booking.total_booking_time()
 
     def booked_by(self):
-        l = self.booking_set.filter(end_ts=None)
+        """
+        Get the user who is currently using the duck
+        """
 
-        if len(l) == 0:
+        booking_list = self.booking_set.filter(end_ts=None)
+
+        if len(booking_list) == 0:
             return None
 
-        if len(l) > 1:
+        if len(booking_list) > 1:
             raise RuntimeError(u"Duck is booked more than once!")
 
-        return l[0].user
+        return booking_list[0].user
 
+@python_2_unicode_compatible
 class DuckName(models.Model):
-    """Model to hold name suggestions for Ducks"""
+    """
+    Model to hold name suggestions for Ducks
+    """
 
     duck = models.ForeignKey(Duck)
     name = models.CharField(max_length=60)
@@ -110,16 +146,31 @@ class DuckName(models.Model):
     closed_by = models.ForeignKey(User, related_name='+')
     closed_at = models.DateTimeField(null=True)
 
+    def __str__(self):
+        return "{0}, suggested by {1}".format(self.name,
+                                              self.suggested_by)
+
+@python_2_unicode_compatible
 class DuckNameVote(models.Model):
-    """Model to hold votes to Duck names"""
+    """
+    Model to hold votes to Duck names
+    """
 
     duck_name = models.ForeignKey(DuckName)
     vote_timestamp = models.DateTimeField(default=timezone.now)
     voter = models.ForeignKey(User)
     upvote = models.BooleanField(default=True)
 
+    def __str__(self):
+        return "{0} voted {1} for {2}".format(self.voter,
+                                              "up" if upvote else "down",
+                                              self.duck_name)
+
+@python_2_unicode_compatible
 class DuckCompetence(models.Model):
-    """Duck competence governor table"""
+    """
+    Duck competence governor table
+    """
 
     duck = models.ForeignKey(Duck, related_name='competences')
     comp = models.ForeignKey(Competence, related_name='ducks')
@@ -127,13 +178,26 @@ class DuckCompetence(models.Model):
     down_minutes = models.IntegerField(default=0)
 
     def level(self):
+        """
+        Return the actual level of a duck
+        """
+
         return minutes_to_level(self.up_minutes, self.down_minutes)
 
+    def __str__(self):
+        return "{0} with +{1}/-{2} minutes in {3}".format(self.duck,
+                                                          self.up_minutes,
+                                                          self.down_minutes,
+                                                          self.comp)
+
     class Meta:
         unique_together = ('duck', 'comp')
 
+@python_2_unicode_compatible
 class Booking(models.Model):
-    """Duck booking governor table"""
+    """
+    Duck booking governor table
+    """
 
     duck = models.ForeignKey(Duck)
     user = models.ForeignKey(User)
@@ -144,6 +208,10 @@ class Booking(models.Model):
 
     @classmethod
     def total_booking_time(cls):
+        """
+        Get the sum of booked hours for all ducks
+        """
+
         return cls.objects.filter(
             start_ts__isnull=False,
             end_ts__isnull=False).extra(
@@ -154,10 +222,19 @@ class Booking(models.Model):
 
     @classmethod
     def duck_booking_time(cls, duck):
+        """
+        Get the sum of booked hours of a duck
+        """
+
         return cls.objects.filter(
             start_ts__isnull=False,
-            end_ts__isnull=False, duck = duck).extra(
+            end_ts__isnull=False, duck=duck).extra(
                 select={
                     'amount': 'sum(strftime(%s, end_ts) - strftime(%s, start_ts))'
                 },
                 select_params=('%s', '%s'))[0].amount
+
+    def __str__(self):
+        return "{0} booked by {1} since {2}".format(self.duck,
+                                                    self.user,
+                                                    self.start_ts)

booking/templatetags/booking_tags.py

@@ -1,17 +1,31 @@
+# -*- coding: utf-8
+"""
+Template tags for the booking templates
+"""
+
 from django import template
 import math
 
 register = template.Library()
 
-def is_number(s):
+def is_number(string):
+    """
+    Check if s is a number in string representation
+    """
+
     try:
-        float(s)
+        float(string)
+
         return True
     except ValueError:
         return False
 
 @register.filter
-def age_format(value, arg = None):
+def age_format(value, arg=None):
+    """
+    Create human readable string from the duck age
+    """
+
     if not is_number(value):
         return value
 
@@ -30,7 +44,7 @@ def age_format(value, arg = None):
     remainder = remainder % 2592000
 
     if months > 0:
-        if (ret != ""):
+        if ret != "":
             ret += " "
 
         ret += u"%d month%s" % (months, "" if months == 1 else "s")
@@ -45,7 +59,7 @@ def age_format(value, arg = None):
         days = 1
 
     if days > 0:
-        if (ret != ""):
+        if ret != "":
             ret += " "
 
         ret += u"%d day%s" % (days, "" if days == 1 else "s")
@@ -60,7 +74,7 @@ def age_format(value, arg = None):
     remainder = remainder % 3600
 
     if hours > 0:
-        if (ret != ""):
+        if ret != "":
             ret += " "
 
         ret += u"%d hour%s" % (hours, "" if hours == 1 else "s")
@@ -68,7 +82,7 @@ def age_format(value, arg = None):
     minutes = math.floor(remainder / 60)
 
     if minutes > 0:
-        if (ret != ""):
+        if ret != "":
             ret += " "
 
         ret += u"%d minute%s" % (minutes, "" if minutes == 1 else "s")
@@ -76,7 +90,7 @@ def age_format(value, arg = None):
     seconds = round(remainder % 60)
 
     if seconds > 0:
-        if (ret != ""):
+        if ret != "":
             ret += " "
 
         ret += u"%d second%s" % (seconds, "" if seconds == 1 else "s")

booking/tests.py

@@ -1,70 +1,96 @@
 # -*- coding: utf-8 -*-
-from django.conf import settings
+"""
-from django.contrib.auth.models import User
+Tests for the Duck Booking Tool frontend
-from django.core.urlresolvers import reverse
+"""
-from django.test import TestCase, Client
-from django.utils import timezone
 
 import datetime
 
+from django.conf import settings
+from django.contrib.auth.models import User
+from django.test import TestCase, Client
+from django.utils import timezone
+
 from .ducklevel import level_to_up_minutes, level_to_down_minutes, minutes_to_level
 from .templatetags import booking_tags
 from .models import Duck, Competence, DuckCompetence, Species, Location, Booking
 
 class FrontTest(TestCase):
+    """
+    Test case for the front end
+    """
+
     def setUp(self):
         self.client = Client()
 
     def test_index_page(self):
+        """
+        Test for the existence of the main page
+        """
+
         response = self.client.get('/')
         self.assertEqual(response.status_code, 200)
 
     def test_vocabulary_page(self):
+        """
+        Test for the existence of the vocabulary page
+        """
+
         response = self.client.get('/vocabulary.html')
         self.assertEqual(response.status_code, 200)
 
     def test_terms_page(self):
+        """
+        Test for the existence of the terms page
+        """
+
         response = self.client.get('/terms.html')
         self.assertEqual(response.status_code, 200)
 
     def test_disclaimer_page(self):
+        """
+        Test for the existence of the disclaimer page
+        """
+
         response = self.client.get('/disclaimer.html')
         self.assertEqual(response.status_code, 200)
 
 class DuckCompLevelTest(TestCase):
+    """
+    Test case for competence level calculation
+    """
+
     def setUp(self):
         user = User.objects.create_user(username='test', password='test')
 
-        species = Species(name='test species')
+        species = Species.objects.create(name='test species')
-        species.save()
 
-        location = Location(name='test location')
+        location = Location.objects.create(name='test location')
-        location.save()
 
-        duck = Duck(
+        duck = Duck.objects.create(species=species,
-                species=species,
                                    location=location,
                                    donated_by=user)
-        duck.save()
 
-        comp = Competence(
+        comp = Competence.objects.create(name='testing',
-                name='testing',
                                          added_by=user)
-        comp.save()
 
-        self.duckcomp = DuckCompetence(
+        self.duckcomp = DuckCompetence.objects.create(duck=duck,
-            duck = duck,
+                                                      comp=comp,
-            comp = comp,
+                                                      up_minutes=0,
-            up_minutes = 0,
+                                                      down_minutes=0)
-            down_minutes =0)
 
     def test_sane_max(self):
+        """
+        Test if the MAX_DUCK_LEVEL setting has a sane value
+        """
+
         self.assertGreater(
             settings.MAX_DUCK_LEVEL, 0,
-            msg = "MAX_DUCK_LEVEL must be greater than zero!")
+            msg="MAX_DUCK_LEVEL must be greater than zero!")
 
     def test_max_minutes(self):
-        """Test if level can not go above settings.MAX_DUCK_LEVEL)"""
+        """
+        Test if level can not go above settings.MAX_DUCK_LEVEL)
+        """
 
         max_up_minutes = level_to_up_minutes(settings.MAX_DUCK_LEVEL)
         double_minutes = level_to_up_minutes(settings.MAX_DUCK_LEVEL * 2)
@@ -86,6 +112,10 @@ class DuckCompLevelTest(TestCase):
         self.assertEqual(level, settings.MAX_DUCK_LEVEL)
 
     def test_conversions(self):
+        """
+        Test minutes to level conversations
+        """
+
         for i in range(1, settings.MAX_DUCK_LEVEL):
             up_minutes = level_to_up_minutes(i)
             down_minutes = level_to_down_minutes(i)
@@ -93,12 +123,16 @@ class DuckCompLevelTest(TestCase):
             up_level = minutes_to_level(up_minutes, 0)
             down_level = minutes_to_level(0, down_minutes)
 
-            self.assertEqual(up_level, i, msg = "Test failed for value %d" % i)
+            self.assertEqual(up_level, i, msg="Test failed for value %d" % i)
             self.assertEqual(
                 down_level, i,
-                msg = "Test failed for value %d" % i)
+                msg="Test failed for value %d" % i)
 
     def test_level_to_minutes(self):
+        """
+        Test level to minutes conversations
+        """
+
         self.assertEqual(level_to_up_minutes(0), 0)
         self.assertEqual(level_to_up_minutes(1), 20)
         self.assertEqual(level_to_up_minutes(2), 200)
@@ -114,11 +148,19 @@ class DuckCompLevelTest(TestCase):
         self.assertEqual(level_to_down_minutes(5), 2000000)
 
     def test_no_comp(self):
+        """
+        Test if level equals 0 if minutes count is 0
+        """
+
         self.duckcomp.up_minutes = 0
         self.duckcomp.down_minutes = 0
         self.assertEquals(self.duckcomp.level(), 0)
 
     def test_comp_levels(self):
+        """
+        Test competence level calculation
+        """
+
         self.duckcomp.down_minutes = 0
 
         for lvl in range(1, settings.MAX_DUCK_LEVEL):
@@ -127,16 +169,33 @@ class DuckCompLevelTest(TestCase):
             self.assertEqual(self.duckcomp.level(), lvl)
 
     def test_high_minutes(self):
+        """
+        Test duck level calculation with a very high amount of minutes
+        """
+
         self.duckcomp.up_minutes = level_to_up_minutes(settings.MAX_DUCK_LEVEL)
         self.duckcomp.down_minutes = level_to_down_minutes(settings.MAX_DUCK_LEVEL)
         self.assertEqual(self.duckcomp.level(), settings.MAX_DUCK_LEVEL)
 
 class DuckAgeTest(TestCase):
+    """
+    Tests related to duck age
+    """
+
     def test_duck_is_from_the_future(self):
-        future_duck = Duck(donated_at = timezone.now() + datetime.timedelta(days = 2))
+        """
+        Test if the duck came from the future (ie. donation time is in
+        the future)
+        """
+
+        future_duck = Duck(donated_at=timezone.now() + datetime.timedelta(days=2))
         self.assertEqual(future_duck.age(), -1)
 
     def test_duck_age_formatter(self):
+        """
+        Test duck age formatter
+        """
+
         self.assertEqual(booking_tags.age_format("aoeu"), "aoeu")
         self.assertEqual(booking_tags.age_format(0), "a few moments")
         self.assertEqual(booking_tags.age_format(1), "1 second")
@@ -173,75 +232,105 @@ class DuckAgeTest(TestCase):
         self.assertEqual(booking_tags.age_format(63072000), "2 years")
 
 class BookingTimeTest(TestCase):
-    duck1 = None
+    """
-    duck2 = None
+    Test case for calculating booking time and popularity
+    """
 
     def setUp(self):
         user = User()
         user.save()
 
-        species = Species(name = 'duck')
+        species = Species.objects.create(name='duck')
-        species.save()
+        location = Location.objects.create(name='start')
 
-        location = Location(name = 'start')
+        self.duck1 = Duck.objects.create(species=species,
-        location.save()
+                                         location=location,
+                                         donated_by=user)
 
-        self.duck1 = Duck(species = species, location = location, donated_by = user)
+        competence = Competence.objects.create(name='test',
-        self.duck1.save()
+                                               added_by=user)
-
-        competence = Competence(name = 'test', added_by = user)
-        competence.save()
 
         now = timezone.now()
-        booking = Booking(duck = self.duck1, start_ts = now - datetime.timedelta(days = 2), end_ts = now - datetime.timedelta(days = 1), user = user, comp_req = competence)
+        Booking.objects.create(duck=self.duck1,
-        booking.save()
+                               start_ts=now - datetime.timedelta(days=2),
+                               end_ts=now - datetime.timedelta(days=1),
+                               user=user,
+                               comp_req=competence)
 
-        self.duck2 = Duck(species = species, location = location, donated_by = user)
+        self.duck2 = Duck.objects.create(species=species,
-        self.duck2.save()
+                                         location=location,
+                                         donated_by=user)
 
-        booking = Booking(duck = self.duck2, start_ts = now - datetime.timedelta(days = 3), end_ts = now - datetime.timedelta(days = 2), user = user, comp_req = competence)
+        Booking.objects.create(duck=self.duck2,
-        booking.save()
+                               start_ts=now - datetime.timedelta(days=3),
+                               end_ts=now - datetime.timedelta(days=2),
+                               user=user,
+                               comp_req=competence)
 
-        booking = Booking(duck = self.duck2, start_ts = now - datetime.timedelta(days = 2), end_ts = now - datetime.timedelta(days = 1), user = user, comp_req = competence)
+        Booking.objects.create(duck=self.duck2,
-        booking.save()
+                               start_ts=now - datetime.timedelta(days=2),
+                               end_ts=now - datetime.timedelta(days=1),
+                               user=user,
+                               comp_req=competence)
 
     def test_total_booking_time(self):
-        self.assertEqual(Booking.total_booking_time(), 259200)
+        """
+        Test total booking time
+        """
+
+        self.assertEqual(259200, Booking.total_booking_time())
 
     def test_duck_booking_time(self):
-        self.assertEqual(Booking.duck_booking_time(self.duck1), 86400)
+        """
-        self.assertEqual(Booking.duck_booking_time(self.duck2), 172800)
+        Test duck booking time
+        """
+
+        self.assertEqual(86400, Booking.duck_booking_time(self.duck1))
+        self.assertEqual(172800, Booking.duck_booking_time(self.duck2))
 
     def test_dpx(self):
-        self.assertEqual(self.duck1.dpx(), 1/3)
+        """
-        self.assertEqual(self.duck2.dpx(), 2/3)
+        Test Duck Popularity indeX calculation
+        """
+
+        self.assertEqual(1/3, self.duck1.dpx())
+        self.assertEqual(2/3, self.duck2.dpx())
 
 class TestListing(TestCase):
+    """
+    Test case for duck listing
+    """
+
     def setUp(self):
         self.client = Client()
 
-        species = Species()
+        species = Species.objects.create()
-        species.save()
+        loc = Location.objects.create()
+        user = User.objects.create_user(username='test',
+                                        password='test')
 
-        loc = Location()
+        self.duck = Duck.objects.create(species=species,
-        loc.save()
+                                        location=loc,
-
+                                        donated_by=user)
-        user = User()
-        user.save()
-
-        self.duck = Duck(species = species, location = loc, donated_by = user)
-        self.duck.save()
 
     def test_front_page(self):
-        response = self.client.get('/')
+        """
-        self.assertEqual(response.status_code, 200)
+        Test existence of the front page
+        """
 
-        self.assertEqual(len(response.context['duck_list']), 1)
+        response = self.client.get('/')
+        self.assertEqual(200, response.status_code)
+
+        self.assertEqual(1, len(response.context['duck_list']))
 
 class SimilarCompTest(TestCase):
+    """
+    Test case for competence name fuzzy search
+    """
+
     def setUp(self):
-        admin = User(username = 'admin')
+        admin = User.objects.create_user(username='admin',
-        admin.save()
+                                         password='test')
 
         competence_list = (
             'Creativity',
@@ -251,54 +340,75 @@ class SimilarCompTest(TestCase):
             'TCSH',
         )
 
-        for c in competence_list:
+        for competence in competence_list:
-            comp = Competence(name = c, added_by = admin)
+            Competence.objects.create(name=competence,
-            comp.save()
+                                      added_by=admin)
 
     def test_good_similar_competences(self):
-        l = Competence.get_similar_comps('perl')
+        """
-        self.assertEquals(len(l), 1)
+        Test similar competence list with different inputs
+        """
 
-        l = Competence.get_similar_comps('pzthon')
+        comp_list = Competence.get_similar_comps('perl')
-        self.assertEquals(len(l), 1)
+        self.assertEquals(1, len(comp_list))
 
-        l = Competence.get_similar_comps(u'kreativitás')
+        comp_list = Competence.get_similar_comps('pzthon')
-        self.assertEqual(len(l), 1)
+        self.assertEquals(1, len(comp_list))
+
+        comp_list = Competence.get_similar_comps(u'kreativitás')
+        self.assertEqual(1, len(comp_list))
 
     def test_bad_similar_competence(self):
-        l = Competence.get_similar_comps('development')
+        """
-        self.assertEqual(len(l), 0)
+        Test similar competence list with a totally new and unmatching
+        competence name
+        """
+
+        comp_list = Competence.get_similar_comps('development')
+        self.assertEqual(0, len(comp_list))
 
 class BookingTest(TestCase):
+    """
+    Test duck booking functionality
+    """
+
     def setUp(self):
-        spec = Species.objects.create(name='test')
+        self.spec = Species.objects.create(name='test')
-
+        self.loc = Location.objects.create(name='test')
-        loc = Location.objects.create(name='test')
-
         self.user = User.objects.create_user(username='test')
-
+        self.booked_duck = Duck.objects.create(species=self.spec,
-        self.booked_duck = Duck.objects.create(species=spec,
+                                               location=self.loc,
-                                               location=loc,
                                                donated_by=self.user)
-
         self.comp = Competence.objects.create(name='test',
                                               added_by=self.user)
 
-        booking = Booking.objects.create(duck=self.booked_duck,
+        Booking.objects.create(duck=self.booked_duck,
                                user=self.user,
                                comp_req=self.comp)
 
-        self.unbooked_duck = Duck.objects.create(species=spec,
-                                                 location=loc,
-                                                 donated_by=self.user)
-
     def test_booked_duck(self):
+        """
+        Test if booked duck returns the booking user from booked_by()
+        """
+
         self.assertNotEqual(self.booked_duck.booked_by(), None)
 
     def test_unbooked_duck(self):
-        self.assertEqual(self.unbooked_duck.booked_by(), None)
+        """
+        Test if unbooked duck returns None from booked_by()
+        """
+
+        unbooked_duck = Duck.objects.create(species=self.spec,
+                                            location=self.loc,
+                                            donated_by=self.user)
+        self.assertEqual(unbooked_duck.booked_by(), None)
 
     def test_multiple_booking(self):
+        """
+        Test error presence in case of multiple bookings for the same
+        duck
+        """
+
         Booking.objects.create(duck=self.booked_duck,
                                user=self.user,
                                comp_req=self.comp)

booking/urls.py

@@ -1,24 +1,28 @@
-from django.conf.urls import patterns, url
+# -*- coding: utf-8
+"""
+URL definitions for the Duck Booking Tool frontend
+"""
+
+from django.conf.urls import url
 from django.views.generic.base import TemplateView
 
 from .views import DuckListView
 
-urlpatterns = patterns(
+urlpatterns = [
-    '',
+    url(r'^$', DuckListView.as_view(), name='list'),
-    url(r'^$', DuckListView.as_view(), name = 'list'),
     url(
         r'^vocabulary.html$',
-        TemplateView.as_view(template_name = 'booking/vocabulary.html'),
+        TemplateView.as_view(template_name='booking/vocabulary.html'),
-        name = 'vocabulary'
+        name='vocabulary'
     ),
     url(
         r'^terms.html$',
-        TemplateView.as_view(template_name = 'booking/terms.html'),
+        TemplateView.as_view(template_name='booking/terms.html'),
-        name = 'terms'
+        name='terms'
     ),
     url(
         r'^disclaimer.html$',
-        TemplateView.as_view(template_name = 'booking/disclaimer.html'),
+        TemplateView.as_view(template_name='booking/disclaimer.html'),
-        name = 'disclaimer'
+        name='disclaimer'
     ),
-)
+]

booking/views.py

@@ -1,9 +1,17 @@
-from django.shortcuts import render
+# -*- coding: utf-8
+"""
+Views for the Duck Booking Tool frontend
+"""
+
 from django.views import generic
 
 from .models import Duck
 
 class DuckListView(generic.ListView):
+    """
+    View for duck listing (the main page)
+    """
+
     template_name = 'booking/duck_list.html'
     context_object_name = 'duck_list'
 

duckbook/urls.py

@@ -1,26 +1,30 @@
-from django.conf import settings
+# -*- coding: utf-8
-from django.conf.urls import patterns, include, url
+"""
-from django.contrib import admin
+Main URL definitions file
-from django.views.decorators.cache import cache_page
+"""
 
-from django_js_reverse.views import urls_js
+from django.conf import settings
+from django.conf.urls import include, url
+from django.contrib import admin
 
 admin.autodiscover()
 
-urlpatterns = patterns(
+urlpatterns = [
-    '',
     url(
         r'^static/(?P<path>.*)$',
         'django.views.static.serve',
         {'document_root': settings.STATIC_ROOT}
     ),
     url(
-        r'^reverse.js$',
+        r'^admin/',
-        cache_page(3600)(urls_js),
+        include(admin.site.urls)),
-        name = 'js_reverse'
+    url(
-    ),
+        r'^accounts/',
-    url(r'^admin/',    include(admin.site.urls)),
+        include('accounts.urls', namespace='accounts')),
-    url(r'^accounts/', include('accounts.urls', namespace = 'accounts')),
+    url(
-    url(r'^api/v1/',   include('api.urls',      namespace = 'api')),
+        r'^api/v1/',
-    url('',            include('booking.urls',  namespace = 'booking')),
+        include('api.urls', namespace='api')),
-)
+    url(
+        '',
+        include('booking.urls', namespace='booking')),
+]