create dummy function and classes to use when oscar is not installed,…

… Application, DatePickerInput, currency, ...

src/oscar_accounts/api/app.py

@@ -1,8 +1,8 @@
 from django.conf.urls import patterns, url
 from django.views.decorators.csrf import csrf_exempt
-from oscar.core.application import Application
 
 from oscar_accounts.api import decorators, views
+from oscar_accounts.compact_oscar import Application
 
 
 class APIApplication(Application):

src/oscar_accounts/api/views.py

@@ -9,10 +9,10 @@
 from django.shortcuts import get_object_or_404
 from django.utils import timezone
 from django.views import generic
-from oscar.core.loading import get_model
 
 from oscar_accounts import codes, exceptions, facade, names
 from oscar_accounts.api import errors
+from oscar_accounts.compact_oscar import get_model
 
 Account = get_model('oscar_accounts', 'Account')
 AccountType = get_model('oscar_accounts', 'AccountType')

src/oscar_accounts/checkout/forms.py

@@ -2,8 +2,8 @@
 
 from django import forms
 from django.utils.translation import ugettext_lazy as _
-from oscar.core.loading import get_model
-from oscar.templatetags.currency_filters import currency
+
+from oscar_accounts.compact_oscar import get_model, currency
 
 Account = get_model('oscar_accounts', 'Account')
 

src/oscar_accounts/checkout/gateway.py

@@ -1,8 +1,7 @@
 from django.utils.translation import ugettext_lazy as _
-from oscar.apps.payment.exceptions import UnableToTakePayment
-from oscar.core.loading import get_model
 
 from oscar_accounts import codes, core, exceptions, facade
+from oscar_accounts.compact_oscar import get_model, UnableToTakePayment
 
 Account = get_model('oscar_accounts', 'Account')
 Transfer = get_model('oscar_accounts', 'Transfer')

src/oscar_accounts/compact_oscar.py

@@ -7,6 +7,7 @@
     from django.apps.config import MODELS_MODULE_NAME
     from django.conf import settings
     from django.core.exceptions import ImproperlyConfigured, AppRegistryNotReady
+    from django import forms
 
     # from oscar.core.compat
     # A setting that can be used in foreign key declarations
@@ -63,7 +64,32 @@ def is_model_registered(app_label, model_name):
         else:
             return True
 
+    # from oscar.apps.payment.exceptions
+    class UnableToTakePayment(Exception):
+        """
+        Exception to be used for ANTICIPATED payment errors (eg card number wrong,
+        expiry date has passed).  The message passed here will be shown to the end
+        user.
+        """
+
+    # dummy for oscar.templatetags.currency_filters.currency
+    def currency(value, currency=None):
+        return value
+
+    # dummy for oscar.forms.widgets.DatePickerInput
+    DatePickerInput = forms.DateInput
+
+    # dummy for oscar.application.Application
+    class Application(object):
+        def post_process_urls(self, urlpatterns):
+            return urlpatterns
+
+
 else:  # oscar is installed, use it.
+    from oscar.apps.payment.exceptions import UnableToTakePayment
+    from oscar.core.application import Application
     from oscar.core.compat import AUTH_USER_MODEL
     from oscar.core.loading import get_model, is_model_registered
+    from oscar.forms.widgets import DatePickerInput
+    from oscar.templatetags.currency_filters import currency
 

src/oscar_accounts/dashboard/app.py

@@ -1,7 +1,7 @@
 from django.conf.urls import patterns, url
 from django.contrib.admin.views.decorators import staff_member_required
-from oscar.core.application import Application
 
+from oscar_accounts.compact_oscar import Application
 from oscar_accounts.dashboard import views
 
 

src/oscar_accounts/dashboard/forms.py

@@ -4,11 +4,9 @@
 from django.conf import settings
 from django.core import exceptions
 from django.utils.translation import ugettext_lazy as _
-from oscar.core.loading import get_model
-from oscar.forms.widgets import DatePickerInput
-from oscar.templatetags.currency_filters import currency
 
 from oscar_accounts import codes, names
+from oscar_accounts.compact_oscar import get_model, currency, DatePickerInput
 
 Account = get_model('oscar_accounts', 'Account')
 AccountType = get_model('oscar_accounts', 'AccountType')

src/oscar_accounts/dashboard/reports.py

@@ -1,9 +1,9 @@
 from decimal import Decimal as D
 
 from django.db.models import Sum
-from oscar.core.loading import get_model
 
 from oscar_accounts import names
+from oscar_accounts.compact_oscar import get_model
 
 AccountType = get_model('oscar_accounts', 'AccountType')
 Account = get_model('oscar_accounts', 'Account')

src/oscar_accounts/dashboard/views.py

@@ -9,10 +9,9 @@
 from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _
 from django.views import generic
-from oscar.core.loading import get_model
-from oscar.templatetags.currency_filters import currency
 
 from oscar_accounts import exceptions, facade, names
+from oscar_accounts.compact_oscar import get_model, currency
 from oscar_accounts.dashboard import forms, reports
 
 AccountType = get_model('oscar_accounts', 'AccountType')