mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-13 00:30:39 +00:00
61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
from __future__ import absolute_import
|
|
from functools import partial
|
|
|
|
from django.db.models import Model
|
|
|
|
from .comparison import _compare_mapping, register
|
|
from . import compare as base_compare
|
|
|
|
|
|
def instance_fields(instance):
|
|
opts = instance._meta
|
|
for name in (
|
|
'concrete_fields',
|
|
'virtual_fields',
|
|
'private_fields',
|
|
):
|
|
fields = getattr(opts, name, None)
|
|
if fields:
|
|
for field in fields:
|
|
yield field
|
|
|
|
|
|
def model_to_dict(instance, exclude, include_not_editable):
|
|
data = {}
|
|
for f in instance_fields(instance):
|
|
if f.name in exclude:
|
|
continue
|
|
if not getattr(f, 'editable', False) and not include_not_editable:
|
|
continue
|
|
data[f.name] = f.value_from_object(instance)
|
|
return data
|
|
|
|
|
|
def compare_model(x, y, context):
|
|
"""
|
|
Returns an informative string describing the differences between the two
|
|
supplied Django model instances. The way in which this comparison is
|
|
performed can be controlled using the following parameters:
|
|
|
|
:param ignore_fields:
|
|
A sequence of fields to ignore during comparison, most commonly
|
|
set to ``['id']``. By default, no fields are ignored.
|
|
|
|
:param non_editable_fields:
|
|
If `True`, then fields with ``editable=False`` will be included in the
|
|
comparison. By default, these fields are ignored.
|
|
"""
|
|
ignore_fields = context.get_option('ignore_fields', set())
|
|
non_editable_fields= context.get_option('non_editable_fields', False)
|
|
args = []
|
|
for obj in x, y:
|
|
args.append(model_to_dict(obj, ignore_fields, non_editable_fields))
|
|
args.append(context)
|
|
args.append(x)
|
|
return _compare_mapping(*args)
|
|
|
|
register(Model, compare_model)
|
|
|
|
|
|
compare = partial(base_compare, ignore_eq=True)
|