def __init__(self, of=models.TextField, **kwargs):
# The `of` argument is a bit tricky once we need compatibility
# with South.
#
# South can't store a field, and the eval it performs doesn't
# put enough things in the context to use South's internal
# "get field" function (`BaseMigration.gf`).
#
# Therefore, we need to be able to accept a South triple of our
# sub-field and hook into South to get the correct thing back.
if isinstance(of, tuple) and SOUTH:
from south.utils import ask_for_it_by_name as gf
of = gf(of[0])(*of[1], **of[2])
# Arrays in PostgreSQL are arrays of a particular type.
# Save the subtype in our field class.
if isinstance(of, type):
of = of()
self.of = of
# Set "null" to True. Arrays don't have nulls, but null=True
# in the ORM amounts to nothing in SQL (whereas null=False
# corresponds to `NOT NULL`)
kwargs["null"] = True
super(ArrayField, self).__init__(**kwargs)
def __init__(self, of=models.IntegerField, **kwargs):
# The `of` argument is a bit tricky once we need compatibility
# with South.
#
# South can't store a field, and the eval it performs doesn't
# put enough things in the context to use South's internal
# "get field" function (`BaseMigration.gf`).
#
# Therefore, we need to be able to accept a South triple of our
# sub-field and hook into South to get the correct thing back.
if isinstance(of, tuple) and south_installed:
from south.utils import ask_for_it_by_name as gf
of = gf(of[0])(*of[1], **of[2])
# Arrays in PostgreSQL are arrays of a particular type.
# Save the subtype in our field class.
self.of = of
if isinstance(self.of, type):
self.of = self.of()
# Set "null" to True. Arrays don't have nulls, but null=True
# in the ORM amounts to nothing in SQL (whereas null=False
# corresponds to `NOT NULL`)
kwargs['null'] = True
# Now pass the rest of the work to the Field superclass.
super(ArrayField, self).__init__(**kwargs)