Slightly refactored metasystem -- changed Field pre_save() hooks to pre_save_add(), in preparation for some bigger changes. Refs #81.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@455 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2005-08-10 03:44:51 +00:00
parent 258e6bc330
commit 6d234fae8c
2 changed files with 10 additions and 9 deletions

View File

@ -718,8 +718,9 @@ def method_save(opts, self):
non_pks = [f for f in opts.fields if not f.primary_key]
cursor = db.db.cursor()
add = not bool(getattr(self, opts.pk.name))
for f in non_pks:
f.pre_save(self, getattr(self, f.name), add)
if add:
for f in non_pks:
f.pre_save_add(self, getattr(self, f.name))
db_values = [f.get_db_prep_save(getattr(self, f.name)) for f in non_pks]
# OneToOne objects are a special case because there's no AutoField, and the
# primary key field is set manually.

View File

@ -82,10 +82,10 @@ class Field(object):
else:
self.db_index = db_index
def pre_save(self, obj, value, add):
def pre_save_add(self, obj, value):
"""
Hook for altering the object obj based on the value of this field and
and on the add/change status.
Hook for altering the object obj based on the value of this field,
during the add stage.
"""
pass
@ -280,8 +280,8 @@ class DateField(Field):
value = str(value)
return Field.get_db_prep_lookup(self, lookup_type, value)
def pre_save(self, obj, value, add):
if self.auto_now or (self.auto_now_add and add):
def pre_save_add(self, obj, value):
if self.auto_now or self.auto_now_add:
setattr(obj, self.name, datetime.datetime.now())
def get_db_prep_save(self, value):
@ -483,8 +483,8 @@ class TimeField(Field):
value = str(value)
return Field.get_db_prep_lookup(self, lookup_type, value)
def pre_save(self, obj, value, add):
if self.auto_now or (self.auto_now_add and add):
def pre_save_add(self, obj, value):
if self.auto_now or self.auto_now_add:
setattr(obj, self.name, datetime.datetime.now().time())
def get_db_prep_save(self, value):