def revoke_group(group, perm, obj):
"""
Revokes a permission from a Group.
"""
model = obj.__class__
permissions = permission_map[model]
try:
group_perms = permissions.objects.get(group=group, obj=obj)
if getattr(group_perms, perm):
revoked.send(sender=group, perm=perm, object=obj)
setattr(group_perms, perm, False)
# If any permissions remain, save the model. Otherwise, remove it
# from the table.
if any(getattr(group_perms, p)
for p in get_model_perms(model)):
group_perms.save()
else:
group_perms.delete()
except ObjectDoesNotExist:
# Group didnt have permission to begin with; do nothing.
pass
def set_group_perms(group, perms, obj):
"""
Set group permissions to exactly the specified permissions.
"""
if perms:
model = obj.__class__
permissions = permission_map[model]
all_perms = dict((p, False) for p in get_model_perms(model))
for perm in perms:
all_perms[perm] = True
try:
group_perms = permissions.objects.get(group=group, obj=obj)
except permissions.DoesNotExist:
group_perms = permissions(group=group, obj=obj)
for perm, enabled in all_perms.iteritems():
if enabled and not getattr(group_perms, perm):
granted.send(sender=group, perm=perm, object=obj)
elif not enabled and getattr(group_perms, perm):
revoked.send(sender=group, perm=perm, object=obj)
setattr(group_perms, perm, enabled)
group_perms.save()
else:
# removing all perms.
revoke_all_group(group, obj)
return perms
def revoke_group(group, perm, obj):
"""
Revokes a permission from a Group.
"""
model = obj.__class__
permissions = permission_map[model]
try:
group_perms = permissions.objects.get(group=group, obj=obj)
if getattr(group_perms, perm):
revoked.send(sender=group, perm=perm, object=obj)
setattr(group_perms, perm, False)
# If any permissions remain, save the model. Otherwise, remove it
# from the table.
if any(getattr(group_perms, p) for p in get_model_perms(model)):
group_perms.save()
else:
group_perms.delete()
except ObjectDoesNotExist:
# Group didnt have permission to begin with; do nothing.
pass
def set_group_perms(group, perms, obj):
"""
Set group permissions to exactly the specified permissions.
"""
if perms:
model = obj.__class__
permissions = permission_map[model]
all_perms = dict((p, False) for p in get_model_perms(model))
for perm in perms:
all_perms[perm] = True
try:
group_perms = permissions.objects.get(group=group, obj=obj)
except permissions.DoesNotExist:
group_perms = permissions(group=group, obj=obj)
for perm, enabled in all_perms.iteritems():
if enabled and not getattr(group_perms, perm):
granted.send(sender=group, perm=perm, object=obj)
elif not enabled and getattr(group_perms, perm):
revoked.send(sender=group, perm=perm, object=obj)
setattr(group_perms, perm, enabled)
group_perms.save()
else:
# removing all perms.
revoke_all_group(group, obj)
return perms
def revoke_all_group(group, obj):
"""
Revoke all permissions from a Group.
"""
model = obj.__class__
permissions = permission_map[model]
try:
group_perms = permissions.objects.get(group=group, obj=obj)
for perm in get_model_perms(model):
if getattr(group_perms, perm):
revoked.send(sender=group, perm=perm, object=obj)
group_perms.delete()
except ObjectDoesNotExist:
pass
def revoke_all(user, obj):
"""
Revoke all permissions from a User.
"""
model = obj.__class__
permissions = permission_map[model]
try:
user_perms = permissions.objects.get(user=user, obj=obj)
for perm in get_model_perms(model):
if getattr(user_perms, perm):
revoked.send(sender=user, perm=perm, object=obj)
user_perms.delete()
except ObjectDoesNotExist:
pass
def revoke_all_group(group, obj):
"""
Revoke all permissions from a Group.
"""
model = obj.__class__
permissions = permission_map[model]
try:
group_perms = permissions.objects.get(group=group, obj=obj)
for perm in get_model_perms(model):
if getattr(group_perms, perm):
revoked.send(sender=group, perm=perm, object=obj)
group_perms.delete()
except ObjectDoesNotExist:
pass
def revoke_all(user, obj):
"""
Revoke all permissions from a User.
"""
model = obj.__class__
permissions = permission_map[model]
try:
user_perms = permissions.objects.get(user=user, obj=obj)
for perm in get_model_perms(model):
if getattr(user_perms, perm):
revoked.send(sender=user, perm=perm, object=obj)
user_perms.delete()
except ObjectDoesNotExist:
pass
