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remove dead init_deferred_fields method

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This commit is contained in:
Joe Cox 2023-09-11 16:25:16 -07:00
parent 0ec4ac5e38
commit b2a10bd96c
1 changed files with 1 additions and 46 deletions
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47
model_utils/tracker.py
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@ -3,8 +3,7 @@ from functools import wraps
from django.core.exceptions import FieldError
from django.db import models
from django.db.models.fields.files import FieldFile, FileDescriptor
from django.db.models.query_utils import DeferredAttribute
from django.db.models.fields.files import FieldFile
class LightStateFieldFile(FieldFile):
@ -40,26 +39,6 @@ def lightweight_deepcopy(value):
return deepcopy(value)
class DescriptorMixin:
tracker_instance = None
def __get__(self, instance, owner):
if instance is None:
return self
was_deferred = False
field_name = self._get_field_name()
if field_name in instance._deferred_fields:
instance._deferred_fields.remove(field_name)
was_deferred = True
value = super().__get__(instance, owner)
if was_deferred:
self.tracker_instance.saved_data[field_name] = lightweight_deepcopy(value)
return value
def _get_field_name(self):
return self.field_name
class DescriptorWrapper:
def __init__(self, field_name, descriptor, tracker_attname):
@ -271,30 +250,6 @@ class FieldInstanceTracker:
if self.has_changed(field)
}
def init_deferred_fields(self):
self.instance._deferred_fields = set()
if hasattr(self.instance, '_deferred') and not self.instance._deferred:
return
class DeferredAttributeTracker(DescriptorMixin, DeferredAttribute):
tracker_instance = self
class FileDescriptorTracker(DescriptorMixin, FileDescriptor):
tracker_instance = self
def _get_field_name(self):
return self.field.name
self.instance._deferred_fields = self.instance.get_deferred_fields()
for field in self.instance._deferred_fields:
field_obj = self.instance.__class__.__dict__.get(field)
if isinstance(field_obj, FileDescriptor):
field_tracker = FileDescriptorTracker(field_obj.field)
setattr(self.instance.__class__, field, field_tracker)
else:
field_tracker = DeferredAttributeTracker(field)
setattr(self.instance.__class__, field, field_tracker)
class FieldTracker: