python 2.7 - DateTimeField migration error in django -
previously models' datetimefield initiated like
order_date = models.datetimefield(default=datetime.today) which throwing
typeerror: required argument 'year' (pos 1) not found when tried instantiate blank object. fixed datetime.datetime.now(). when try migrate shows same error
typeerror: required argument 'year' (pos 1) not found when make clean migration in fresh db not having problem. dont want go on route of making fresh db since don't have permissions in production. there way fix this?
traceback:
running migrations: rendering model states... done applying xyz.0016_auto_20170728_0758...traceback (most recent call last): file "manage.py", line 9, in <module> execute_from_command_line(sys.argv) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/core/management/__init__.py", line 338, in execute_from_command_line utility.execute() file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/core/management/__init__.py", line 330, in execute self.fetch_command(subcommand).run_from_argv(self.argv) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/core/management/base.py", line 390, in run_from_argv self.execute(*args, **cmd_options) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/core/management/base.py", line 441, in execute output = self.handle(*args, **options) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/core/management/commands/migrate.py", line 221, in handle executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/db/migrations/executor.py", line 110, in migrate self.apply_migration(states[migration], migration, fake=fake, fake_initial=fake_initial) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/db/migrations/executor.py", line 147, in apply_migration state = migration.apply(state, schema_editor) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/db/migrations/migration.py", line 115, in apply operation.database_forwards(self.app_label, schema_editor, old_state, project_state) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/db/migrations/operations/fields.py", line 201, in database_forwards schema_editor.alter_field(from_model, from_field, to_field) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/db/backends/base/schema.py", line 484, in alter_field old_db_params, new_db_params, strict) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/db/backends/base/schema.py", line 567, in _alter_field old_default = self.effective_default(old_field) file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/db/backends/base/schema.py", line 194, in effective_default default = field.get_default() file "/users/sayok/projects/invenv1/lib/python2.7/site-packages/django/db/models/fields/__init__.py", line 794, in get_default return self.default() typeerror: required argument 'year' (pos 1) not found migration file
# -*- coding: utf-8 -*- __future__ import unicode_literals django.db import models, migrations import datetime class migration(migrations.migration): dependencies = [ ('p1', '0015_vgvjvvhvvj'), ] operations = [ migrations.alterfield( model_name='analyze', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 909746)), ), migrations.alterfield( model_name='apiplaceorder', name='order_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 972820)), ), migrations.alterfield( model_name='hjjghjg', name='order_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 980004)), ), migrations.alterfield( model_name='banner', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 932895)), ), migrations.alterfield( model_name='clusterarticle', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 975352)), ), migrations.alterfield( model_name='clusterlog', name='updated_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 885144)), ), migrations.alterfield( model_name='customize', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 906463)), ), migrations.alterfield( model_name='faqtopic', name='created_date', migrations.alterfield( model_name='greetingstouser', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 963740)), ), migrations.alterfield( model_name='kycsendemailtouser', name='send_date', field=models.datefield(default=datetime.date(2017, 7, 28)), ), migrations.alterfield( model_name='liveorder', name='order_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 971116)), ), migrations.alterfield( model_name='hgjgjgjgjg', name='last_login', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 976968)), ), migrations.alterfield( model_name='newsletter', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 940914)), ), migrations.alterfield( model_name='newslettertouser', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 942440)), ), migrations.alterfield( model_name='newsroom', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 944774)), ), migrations.alterfield( model_name='optimize', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 910911)), ), migrations.alterfield( model_name='order', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 910911)), ), migrations.alterfield( model_name='order', name='order_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 913976)), ), migrations.alterfield( model_name='orderaccountgraph', name='order_date', field=models.datefield(default=datetime.date(2017, 7, 28)), ), migrations.alterfield( model_name='orderbuy', name='order_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 918101)), ), migrations.alterfield( model_name='orderhold', name='hold_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 924012)), ), migrations.alterfield( model_name='ordersell', name='sell_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 921352)), ), migrations.alterfield( model_name='ordertrack', name='order_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 931269)), ), migrations.alterfield( model_name='partner', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 904619)), ), migrations.alterfield( model_name='recentlyviewedcluster', name='viewed_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 911741)), ), migrations.alterfield( model_name='seasongreetings', migrations.alterfield( model_name='seasongreetings', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 962918)), ), migrations.alterfield( model_name='sitesetting', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 907550)), ), migrations.alterfield( model_name='subscribe', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 940109)), ), migrations.alterfield( model_name='team', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 905406)), ), migrations.alterfield( model_name='testimonial', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 903870)), ), migrations.alterfield( model_name='user', name='created_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 891457)), ), migrations.alterfield( model_name='usernotification', name='notification_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 912805)), ), migrations.alterfield( model_name='vghgh', name='application_date', field=models.datetimefield(default=datetime.datetime(2017, 7, 28, 7, 58, 21, 957282)), ), ]
this line in traceback suggests have incorrect default in previous migration.
old_default = self.effective_default(old_field) check old migrations in app, , default=datetime.datetime or default=datetime.date. these should default=datetime.datetime.today or datetime.date.today instead.
as aside, shouldn't use default=datetime.now(). django calling function when create migration, , freezing @ datetime(2017, 7, 28, 7, 58, 21). when run migration use datetime, if run many days now. use callable datetime.now instead.
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