def __init__(self, data=None, files=None, instance=None,
save_as_new=False, prefix=None, queryset=None, **kwargs):
if self.parent_fk_name:
if instance is None:
self.instance = self.fk.model()
else:
self.instance = instance
self.save_as_new = save_as_new
if self.instance.id:
object = getattr(instance, self.parent_fk_name)
if object and object.id:
qs = self.model.objects.filter(pk=object.id)
else:
qs = self.model.objects.none()
else:
qs = self.model.objects.none()
self.extra = 1
BaseModelFormSet.__init__(self, data, files, prefix=prefix,
queryset=qs, **kwargs)
else:
BaseInlineFormSet.__init__(self,
data=data,
files=files,
instance=instance,
save_as_new=save_as_new, prefix=prefix, queryset=queryset, **kwargs)
def __init__(self, data=None, files=None, instance=None, save_as_new=False, prefix=None, queryset=None, **kwargs):
from django.db.models.fields.related import RelatedObject
if instance is None:
self.instance = self.fk.rel.to()
else:
self.instance = instance
self.save_as_new = save_as_new
# is there a better way to get the object descriptor?
self.rel_name = RelatedObject(self.fk.rel.to, self.model, self.fk).get_accessor_name()
if queryset is None:
queryset = self.model._default_manager
# manually set queryset as evaluated
obj = self.model.get_field().value_from_object(self.instance)
if obj:
queryset._result_cache = [obj]
BaseModelFormSet.__init__(self, data, files, prefix=prefix, queryset=queryset, **kwargs)
def total_form_count(self):
if self.data or self.files:
if hasattr(self.management_form, 'cleaned_data'):
return self.management_form.cleaned_data[TOTAL_FORM_COUNT]
else:
return 0
else:
return DjangoBaseModelFormSet.total_form_count(self)
def clean(self):
BaseModelFormSet.clean(self)
if not self.is_valid():
return
deleted_ids = set()
ids_to_data = {}
parents = {}
# first pass: get the deleted items and map parents to items
for i, data in enumerate(self.cleaned_data):
ids_to_data[data['id']] = data
if data.get('DELETE'):
deleted_ids.add(data['id'])
if data.get('parent'):
parents.setdefault(data['parent'], set()).add(i)
# second pass: check for cycles
for data in self.cleaned_data:
category = data
s = set([category['id']])
while category['parent']:
if category['parent'] in s:
if len(s) == 1: # parent set to itself
error = ("A category cannot be its own parent. "
"Please change the parent category")
else:
error = ("Some categories have conflicting parents. "
"Please change one or more of the parent "
"categories")
names = ', '.join([category.name for category in s])
raise forms.ValidationError('%s: %s' % (error, names))
category = ids_to_data[category['parent']]
s.add(category['id'])
# third pass: set children of deleted items to None:
for parent in deleted_ids:
if parent not in parents:
continue
for form_index in parents[parent]:
form = self.forms[form_index]
form.instance.parent = None
form.instance.save()
def clean(self):
BaseModelFormSet.clean(self)
if not self.is_valid():
return
deleted_ids = set()
ids_to_data = {}
parents = {}
# first pass: get the deleted items and map parents to items
for i, data in enumerate(self.cleaned_data):
ids_to_data[data['id']] = data
if data.get('DELETE'):
deleted_ids.add(data['id'])
if data.get('parent'):
parents.setdefault(data['parent'], set()).add(i)
# second pass: check for cycles
for data in self.cleaned_data:
category = data
s = set([category['id']])
while category['parent']:
if category['parent'] in s:
if len(s) == 1: # parent set to itself
error = ("A category cannot be its own parent. "
"Please change the parent category")
else:
error = ("Some categories have conflicting parents. "
"Please change one or more of the parent "
"categories")
names = ', '.join([category.name for category in s])
raise forms.ValidationError('%s: %s' % (error, names))
category = ids_to_data[category['parent']]
s.add(category['id'])
# third pass: set children of deleted items to None:
for parent in deleted_ids:
if parent not in parents:
continue
for form_index in parents[parent]:
form = self.forms[form_index]
form.instance.parent = None
form.instance.save()
def clean(self):
BaseModelFormSet.clean(self)
if any(self.errors):
# don't bother doing anything if the form isn't valid
return
for form in list(self.deleted_forms):
form.cleaned_data[DELETION_FIELD_NAME] = False
form.instance.status = models.Video.REJECTED
form.instance.save()
bulk_edits = self.extra_forms[0].cleaned_data
for key in list(bulk_edits.keys()): # get the list because we'll be
# changing the dictionary
if not bulk_edits[key]:
del bulk_edits[key]
bulk_action = self.data.get('bulk_action', '')
if bulk_action:
bulk_edits['action'] = bulk_action
if bulk_edits:
for form in self.initial_forms:
if not form.cleaned_data['BULK']:
continue
for key, value in bulk_edits.items():
if key == 'action': # do something to the video
method = getattr(self, 'action_%s' % value)
method(form)
elif key == 'tags':
form.cleaned_data[key] = value
elif key == 'categories':
# categories append, not replace
form.cleaned_data[key] = (
list(form.cleaned_data[key]) +
list(value))
elif key == 'authors':
form.cleaned_data[key] = value
else:
setattr(form.instance, key, value)
self.can_delete = False
def clean(self):
BaseModelFormSet.clean(self)
if any(self.errors):
# don't bother doing anything if the form isn't valid
return
for form in list(self.deleted_forms):
form.cleaned_data[DELETION_FIELD_NAME] = False
form.instance.status = models.Video.REJECTED
form.instance.save()
bulk_edits = self.extra_forms[0].cleaned_data
for key in list(bulk_edits.keys()): # get the list because we'll be
# changing the dictionary
if not bulk_edits[key]:
del bulk_edits[key]
bulk_action = self.data.get('bulk_action', '')
if bulk_action:
bulk_edits['action'] = bulk_action
if bulk_edits:
for form in self.initial_forms:
if not form.cleaned_data['BULK']:
continue
for key, value in bulk_edits.items():
if key == 'action': # do something to the video
method = getattr(self, 'action_%s' % value)
method(form)
elif key == 'tags':
form.cleaned_data[key] = value
elif key == 'categories':
# categories append, not replace
form.cleaned_data[key] = (
list(form.cleaned_data[key]) + list(value))
elif key == 'authors':
form.cleaned_data[key] = value
else:
setattr(form.instance, key, value)
self.can_delete = False
def __init__(self,
data=None,
files=None,
instance=None,
save_as_new=False,
prefix=None,
queryset=None,
**kwargs):
if self.parent_fk_name:
if instance is None:
self.instance = self.fk.model()
else:
self.instance = instance
self.save_as_new = save_as_new
if self.instance.id:
object = getattr(instance, self.parent_fk_name)
if object and object.id:
qs = self.model.objects.filter(pk=object.id)
else:
qs = self.model.objects.none()
else:
qs = self.model.objects.none()
self.extra = 1
BaseModelFormSet.__init__(self,
data,
files,
prefix=prefix,
queryset=qs,
**kwargs)
else:
BaseInlineFormSet.__init__(self,
data=data,
files=files,
instance=instance,
save_as_new=save_as_new,
prefix=prefix,
queryset=queryset,
**kwargs)
def clean(self):
bulk_edits = self.extra_forms[0].cleaned_data
for key in list(bulk_edits.keys()): # get the list because we'll be
# changing the dictionary
if bulk_edits[key] in ['', None] or key == 'id':
del bulk_edits[key]
if bulk_edits:
for form in self.bulk_forms:
for key, value in bulk_edits.items():
if key == 'auto_categories':
# categories append, not replace
form.cleaned_data[key] = (
list(form.cleaned_data[key]) + list(value))
else:
form.cleaned_data[key] = value
form.instance = construct_instance(form, form.instance,
form._meta.fields,
form._meta.exclude)
return BaseModelFormSet.clean(self)
def clean(self):
bulk_edits = self.extra_forms[0].cleaned_data
for key in list(bulk_edits.keys()): # get the list because we'll be
# changing the dictionary
if bulk_edits[key] in ['', None] or key == 'id':
del bulk_edits[key]
if bulk_edits:
for form in self.bulk_forms:
for key, value in bulk_edits.items():
if key == 'auto_categories':
# categories append, not replace
form.cleaned_data[key] = (
list(form.cleaned_data[key]) +
list(value))
else:
form.cleaned_data[key] = value
form.instance = construct_instance(form, form.instance,
form._meta.fields,
form._meta.exclude)
return BaseModelFormSet.clean(self)
def initial_form_count(self):
if self.data or self.files:
cleaned_data = getattr(self.management_form, 'cleaned_data', {})
return cleaned_data.get(INITIAL_FORM_COUNT, 0)
else:
return DjangoBaseModelFormSet.initial_form_count(self)
def total_form_count(self):
if self.data or self.files:
cleaned_data = getattr(self.management_form, 'cleaned_data', {})
return cleaned_data.get(TOTAL_FORM_COUNT, 0)
else:
return DjangoBaseModelFormSet.total_form_count(self)