dashboard: separate view util functions

circle/dashboard/utils.py

+from django.core.urlresolvers import reverse
+
+from guardian.shortcuts import (get_users_with_perms, get_groups_with_perms,
+                                get_perms, remove_perm, assign_perm)
+
+
+def split(t, at):
+    """
+    Split collection at first occurance of given element.
+
+    >>> split("FooBar", "B")
+    ('Foo', 'Bar')
+    >>> split(range(5), 2)
+    ([0, 1], [2, 3, 4])
+    """
+
+    pos = t.index(at)
+    return t[:pos], t[pos:]
+
+
+def first_common_element(a, b):
+    for i in a:
+        if i in b:
+            return i
+    return None
+
+
+def get_acl_data(obj):
+    levels = obj._meta.permissions
+    levelids = [id for (id, name) in levels]
+    users = get_users_with_perms(obj, with_group_users=False)
+    users = [{'user': u,
+              'perm': first_common_element(levelids, get_perms(u, obj))}
+             for u in users]
+    groups = get_groups_with_perms(obj)
+    groups = [{'group': g,
+               'perm': first_common_element(levelids, get_perms(g, obj))}
+              for g in groups]
+    return {'users': users, 'groups': groups, 'levels': levels,
+            'url': reverse('dashboard.views.vm-acl', args=[obj.pk])}
+
+
+def set_acl_level(obj, whom, level):
+    levels = obj._meta.permissions
+    levelids = [id for (id, name) in levels]
+    to_remove, to_add = split(levelids, level)
+    for p in to_remove:
+        remove_perm(p, whom, obj)
+    for p in to_add:
+        assign_perm(p, whom, obj)

circle/dashboard/views.py

@@ -2,18 +2,16 @@ import re
 
 
 from django.contrib.auth.models import User, Group
 from django.contrib.auth.models import User, Group
 from django.core import signing
 from django.core import signing
-from django.core.urlresolvers import reverse
 from django.shortcuts import redirect
 from django.shortcuts import redirect
 from django.views.generic import TemplateView, DetailView, View
 from django.views.generic import TemplateView, DetailView, View
 from django.views.generic.detail import SingleObjectMixin
 from django.views.generic.detail import SingleObjectMixin
 
 
 from django_tables2 import SingleTableView
 from django_tables2 import SingleTableView
-from guardian.shortcuts import (get_users_with_perms, get_groups_with_perms,
-                                get_perms, remove_perm, assign_perm)
 
 
 from vm.models import Instance
 from vm.models import Instance
 
 
 from .tables import VmListTable
 from .tables import VmListTable
+from .utils import get_acl_data, set_acl_level
 
 
 
 
 class IndexView(TemplateView):
 class IndexView(TemplateView):
@@ -32,52 +30,6 @@ class IndexView(TemplateView):
         return context
         return context
 
 
 
 
-def split(t, at):
-    """
-    Split collection at first occurance of given element.
-
-    >>> split("FooBar", "B")
-    ('Foo', 'Bar')
-    >>> split(range(5), 2)
-    ([0, 1], [2, 3, 4])
-    """
-
-    pos = t.index(at)
-    return t[:pos], t[pos:]
-
-
-def first_common_element(a, b):
-    for i in a:
-        if i in b:
-            return i
-    return None
-
-
-def get_acl_data(obj):
-    levels = obj._meta.permissions
-    levelids = [id for (id, name) in levels]
-    users = get_users_with_perms(obj, with_group_users=False)
-    users = [{'user': u,
-              'perm': first_common_element(levelids, get_perms(u, obj))}
-             for u in users]
-    groups = get_groups_with_perms(obj)
-    groups = [{'group': g,
-               'perm': first_common_element(levelids, get_perms(g, obj))}
-              for g in groups]
-    return {'users': users, 'groups': groups, 'levels': levels,
-            'url': reverse('dashboard.views.vm-acl', args=[obj.pk])}
-
-
-def set_acl_level(obj, whom, level):
-    levels = obj._meta.permissions
-    levelids = [id for (id, name) in levels]
-    to_remove, to_add = split(levelids, level)
-    for p in to_remove:
-        remove_perm(p, whom, obj)
-    for p in to_add:
-        assign_perm(p, whom, obj)
-
-
 class VmDetailView(DetailView):
 class VmDetailView(DetailView):
     template_name = "dashboard/vm-detail.html"
     template_name = "dashboard/vm-detail.html"
     model = Instance
     model = Instance