def field_dependencies(field, checked_models=None):
checked_models = checked_models or set()
depends = set()
arg_defs, kwarg_defs = modelsinspector.matching_details(field)
for attrname, options in arg_defs + kwarg_defs.values():
if options.get("ignore_if_auto_through", False) and auto_through(field):
continue
if options.get("is_value", False):
value = attrname
elif attrname == 'rel.through' and hasattr(getattr(field, 'rel', None), 'through_model'):
# Hack for django 1.1 and below, where the through model is stored
# in rel.through_model while rel.through stores only the model name.
value = field.rel.through_model
else:
try:
value = get_attribute(field, attrname)
except AttributeError:
if options.get("ignore_missing", False):
continue
raise
if isinstance(value, Model):
value = value.__class__
if not isinstance(value, ModelBase):
continue
if getattr(value._meta, "proxy", False):
value = value._meta.proxy_for_model
if value in checked_models:
continue
checked_models.add(value)
depends.add(value)
depends.update(model_dependencies(value, checked_models))
return depends
def field_dependencies(field, checked_models=None):
checked_models = checked_models or set()
depends = set()
arg_defs, kwarg_defs = modelsinspector.matching_details(field)
for attrname, options in arg_defs + kwarg_defs.values():
if options.get("ignore_if_auto_through",
False) and auto_through(field):
continue
if options.get("is_value", False):
value = attrname
elif attrname == 'rel.through' and hasattr(getattr(field, 'rel', None),
'through_model'):
# Hack for django 1.1 and below, where the through model is stored
# in rel.through_model while rel.through stores only the model name.
value = field.rel.through_model
else:
try:
value = get_attribute(field, attrname)
except AttributeError:
if options.get("ignore_missing", False):
continue
raise
if isinstance(value, Model):
value = value.__class__
if not isinstance(value, ModelBase):
continue
if getattr(value._meta, "proxy", False):
value = value._meta.proxy_for_model
if value in checked_models:
continue
checked_models.add(value)
depends.add(value)
depends.update(model_dependencies(value, checked_models))
return depends
class PaymentChoiceCharField(models.CharField):
def __init__(self, *args, **kwargs):
choices = kwargs.pop("choices", "__DYNAMIC__")
if choices == "__DYNAMIC__":
kwargs['choices'] = labelled_gateway_choices()
super(PaymentChoiceCharField, self).__init__(*args, **kwargs)
try:
# South introspection rules for our custom field.
from south.modelsinspector import add_introspection_rules, matching_details
# get the kwargs for a Field instance
# we're using Field, as CharField doesn't change __init__()
_args, kwargs = matching_details(models.Field())
add_introspection_rules([(
(CreditChoiceCharField, ),
[],
kwargs,
)], ['payment\.fields\.CreditChoiceCharField'])
add_introspection_rules([(
(PaymentChoiceCharField, ),
[],
kwargs,
)], ['payment\.fields\.PaymentChoiceCharField'])
except ImportError:
pass
try:
return config_choice_values('SHIPPING','MODULES')
except SettingNotSet:
return ()
class ShippingChoiceCharField(models.CharField):
def __init__(self, *args, **kwargs):
choices = kwargs.pop("choices", "__DYNAMIC__")
if choices == "__DYNAMIC__":
kwargs['choices'] = shipping_choices()
super(ShippingChoiceCharField, self).__init__(*args, **kwargs)
try:
# South introspection rules for our custom field.
from south.modelsinspector import add_introspection_rules, matching_details
# get the kwargs for a Field instance
# we're using Field, as CharField doesn't change __init__()
_args, kwargs = matching_details(models.Field())
add_introspection_rules([(
(ShippingChoiceCharField, ),
[],
kwargs,
)], ['shipping\.fields'])
except ImportError:
pass
