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ladeng07
2022-05-06 15:45:57 +08:00
parent 12f390949b
commit 51552904f9
2347 changed files with 120102 additions and 53549 deletions
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venv/Lib/site-packages/django/db/migrations/state.py
+81 -440
View File
@@ -1,16 +1,10 @@
import copy
from collections import defaultdict
from contextlib import contextmanager
from functools import partial
from django.apps import AppConfig
from django.apps.registry import Apps
from django.apps.registry import apps as global_apps
from django.apps.registry import Apps, apps as global_apps
from django.conf import settings
from django.core.exceptions import FieldDoesNotExist
from django.db import models
from django.db.migrations.utils import field_is_referenced, get_references
from django.db.models import NOT_PROVIDED
from django.db.models.fields.related import RECURSIVE_RELATIONSHIP_CONSTANT
from django.db.models.options import DEFAULT_NAMES, normalize_together
from django.db.models.utils import make_model_tuple
@@ -19,12 +13,11 @@ from django.utils.module_loading import import_string
from django.utils.version import get_docs_version
from .exceptions import InvalidBasesError
from .utils import resolve_relation
def _get_app_label_and_model_name(model, app_label=""):
def _get_app_label_and_model_name(model, app_label=''):
if isinstance(model, str):
split = model.split(".", 1)
split = model.split('.', 1)
return tuple(split) if len(split) == 2 else (app_label, split[0])
else:
return model._meta.app_label, model._meta.model_name
@@ -33,17 +26,12 @@ def _get_app_label_and_model_name(model, app_label=""):
def _get_related_models(m):
"""Return all models that have a direct relationship to the given model."""
related_models = [
subclass
for subclass in m.__subclasses__()
subclass for subclass in m.__subclasses__()
if issubclass(subclass, models.Model)
]
related_fields_models = set()
for f in m._meta.get_fields(include_parents=True, include_hidden=True):
if (
f.is_relation
and f.related_model is not None
and not isinstance(f.related_model, str)
):
if f.is_relation and f.related_model is not None and not isinstance(f.related_model, str):
related_fields_models.add(f.model)
related_models.append(f.related_model)
# Reverse accessors of foreign keys to proxy models are attached to their
@@ -79,10 +67,7 @@ def get_related_models_recursive(model):
seen = set()
queue = _get_related_models(model)
for rel_mod in queue:
rel_app_label, rel_model_name = (
rel_mod._meta.app_label,
rel_mod._meta.model_name,
)
rel_app_label, rel_model_name = rel_mod._meta.app_label, rel_mod._meta.model_name
if (rel_app_label, rel_model_name) in seen:
continue
seen.add((rel_app_label, rel_model_name))
@@ -100,228 +85,23 @@ class ProjectState:
def __init__(self, models=None, real_apps=None):
self.models = models or {}
# Apps to include from main registry, usually unmigrated ones
if real_apps is None:
real_apps = set()
else:
assert isinstance(real_apps, set)
self.real_apps = real_apps
self.real_apps = real_apps or []
self.is_delayed = False
# {remote_model_key: {model_key: {field_name: field}}}
self._relations = None
@property
def relations(self):
if self._relations is None:
self.resolve_fields_and_relations()
return self._relations
def add_model(self, model_state):
model_key = model_state.app_label, model_state.name_lower
self.models[model_key] = model_state
if self._relations is not None:
self.resolve_model_relations(model_key)
if "apps" in self.__dict__: # hasattr would cache the property
self.reload_model(*model_key)
app_label, model_name = model_state.app_label, model_state.name_lower
self.models[(app_label, model_name)] = model_state
if 'apps' in self.__dict__: # hasattr would cache the property
self.reload_model(app_label, model_name)
def remove_model(self, app_label, model_name):
model_key = app_label, model_name
del self.models[model_key]
if self._relations is not None:
self._relations.pop(model_key, None)
# Call list() since _relations can change size during iteration.
for related_model_key, model_relations in list(self._relations.items()):
model_relations.pop(model_key, None)
if not model_relations:
del self._relations[related_model_key]
if "apps" in self.__dict__: # hasattr would cache the property
self.apps.unregister_model(*model_key)
del self.models[app_label, model_name]
if 'apps' in self.__dict__: # hasattr would cache the property
self.apps.unregister_model(app_label, model_name)
# Need to do this explicitly since unregister_model() doesn't clear
# the cache automatically (#24513)
self.apps.clear_cache()
def rename_model(self, app_label, old_name, new_name):
# Add a new model.
old_name_lower = old_name.lower()
new_name_lower = new_name.lower()
renamed_model = self.models[app_label, old_name_lower].clone()
renamed_model.name = new_name
self.models[app_label, new_name_lower] = renamed_model
# Repoint all fields pointing to the old model to the new one.
old_model_tuple = (app_label, old_name_lower)
new_remote_model = f"{app_label}.{new_name}"
to_reload = set()
for model_state, name, field, reference in get_references(
self, old_model_tuple
):
changed_field = None
if reference.to:
changed_field = field.clone()
changed_field.remote_field.model = new_remote_model
if reference.through:
if changed_field is None:
changed_field = field.clone()
changed_field.remote_field.through = new_remote_model
if changed_field:
model_state.fields[name] = changed_field
to_reload.add((model_state.app_label, model_state.name_lower))
if self._relations is not None:
old_name_key = app_label, old_name_lower
new_name_key = app_label, new_name_lower
if old_name_key in self._relations:
self._relations[new_name_key] = self._relations.pop(old_name_key)
for model_relations in self._relations.values():
if old_name_key in model_relations:
model_relations[new_name_key] = model_relations.pop(old_name_key)
# Reload models related to old model before removing the old model.
self.reload_models(to_reload, delay=True)
# Remove the old model.
self.remove_model(app_label, old_name_lower)
self.reload_model(app_label, new_name_lower, delay=True)
def alter_model_options(self, app_label, model_name, options, option_keys=None):
model_state = self.models[app_label, model_name]
model_state.options = {**model_state.options, **options}
if option_keys:
for key in option_keys:
if key not in options:
model_state.options.pop(key, False)
self.reload_model(app_label, model_name, delay=True)
def alter_model_managers(self, app_label, model_name, managers):
model_state = self.models[app_label, model_name]
model_state.managers = list(managers)
self.reload_model(app_label, model_name, delay=True)
def _append_option(self, app_label, model_name, option_name, obj):
model_state = self.models[app_label, model_name]
model_state.options[option_name] = [*model_state.options[option_name], obj]
self.reload_model(app_label, model_name, delay=True)
def _remove_option(self, app_label, model_name, option_name, obj_name):
model_state = self.models[app_label, model_name]
objs = model_state.options[option_name]
model_state.options[option_name] = [obj for obj in objs if obj.name != obj_name]
self.reload_model(app_label, model_name, delay=True)
def add_index(self, app_label, model_name, index):
self._append_option(app_label, model_name, "indexes", index)
def remove_index(self, app_label, model_name, index_name):
self._remove_option(app_label, model_name, "indexes", index_name)
def add_constraint(self, app_label, model_name, constraint):
self._append_option(app_label, model_name, "constraints", constraint)
def remove_constraint(self, app_label, model_name, constraint_name):
self._remove_option(app_label, model_name, "constraints", constraint_name)
def add_field(self, app_label, model_name, name, field, preserve_default):
# If preserve default is off, don't use the default for future state.
if not preserve_default:
field = field.clone()
field.default = NOT_PROVIDED
else:
field = field
model_key = app_label, model_name
self.models[model_key].fields[name] = field
if self._relations is not None:
self.resolve_model_field_relations(model_key, name, field)
# Delay rendering of relationships if it's not a relational field.
delay = not field.is_relation
self.reload_model(*model_key, delay=delay)
def remove_field(self, app_label, model_name, name):
model_key = app_label, model_name
model_state = self.models[model_key]
old_field = model_state.fields.pop(name)
if self._relations is not None:
self.resolve_model_field_relations(model_key, name, old_field)
# Delay rendering of relationships if it's not a relational field.
delay = not old_field.is_relation
self.reload_model(*model_key, delay=delay)
def alter_field(self, app_label, model_name, name, field, preserve_default):
if not preserve_default:
field = field.clone()
field.default = NOT_PROVIDED
else:
field = field
model_key = app_label, model_name
fields = self.models[model_key].fields
if self._relations is not None:
old_field = fields.pop(name)
if old_field.is_relation:
self.resolve_model_field_relations(model_key, name, old_field)
fields[name] = field
if field.is_relation:
self.resolve_model_field_relations(model_key, name, field)
else:
fields[name] = field
# TODO: investigate if old relational fields must be reloaded or if
# it's sufficient if the new field is (#27737).
# Delay rendering of relationships if it's not a relational field and
# not referenced by a foreign key.
delay = not field.is_relation and not field_is_referenced(
self, model_key, (name, field)
)
self.reload_model(*model_key, delay=delay)
def rename_field(self, app_label, model_name, old_name, new_name):
model_key = app_label, model_name
model_state = self.models[model_key]
# Rename the field.
fields = model_state.fields
try:
found = fields.pop(old_name)
except KeyError:
raise FieldDoesNotExist(
f"{app_label}.{model_name} has no field named '{old_name}'"
)
fields[new_name] = found
for field in fields.values():
# Fix from_fields to refer to the new field.
from_fields = getattr(field, "from_fields", None)
if from_fields:
field.from_fields = tuple(
[
new_name if from_field_name == old_name else from_field_name
for from_field_name in from_fields
]
)
# Fix index/unique_together to refer to the new field.
options = model_state.options
for option in ("index_together", "unique_together"):
if option in options:
options[option] = [
[new_name if n == old_name else n for n in together]
for together in options[option]
]
# Fix to_fields to refer to the new field.
delay = True
references = get_references(self, model_key, (old_name, found))
for *_, field, reference in references:
delay = False
if reference.to:
remote_field, to_fields = reference.to
if getattr(remote_field, "field_name", None) == old_name:
remote_field.field_name = new_name
if to_fields:
field.to_fields = tuple(
[
new_name if to_field_name == old_name else to_field_name
for to_field_name in to_fields
]
)
if self._relations is not None:
old_name_lower = old_name.lower()
new_name_lower = new_name.lower()
for to_model in self._relations.values():
if old_name_lower in to_model[model_key]:
field = to_model[model_key].pop(old_name_lower)
field.name = new_name_lower
to_model[model_key][new_name_lower] = field
self.reload_model(*model_key, delay=delay)
def _find_reload_model(self, app_label, model_name, delay=False):
if delay:
self.is_delayed = True
@@ -349,9 +129,7 @@ class ProjectState:
if field.is_relation:
if field.remote_field.model == RECURSIVE_RELATIONSHIP_CONSTANT:
continue
rel_app_label, rel_model_name = _get_app_label_and_model_name(
field.related_model, app_label
)
rel_app_label, rel_model_name = _get_app_label_and_model_name(field.related_model, app_label)
direct_related_models.add((rel_app_label, rel_model_name.lower()))
# For all direct related models recursively get all related models.
@@ -373,17 +151,15 @@ class ProjectState:
return related_models
def reload_model(self, app_label, model_name, delay=False):
if "apps" in self.__dict__: # hasattr would cache the property
if 'apps' in self.__dict__: # hasattr would cache the property
related_models = self._find_reload_model(app_label, model_name, delay)
self._reload(related_models)
def reload_models(self, models, delay=True):
if "apps" in self.__dict__: # hasattr would cache the property
if 'apps' in self.__dict__: # hasattr would cache the property
related_models = set()
for app_label, model_name in models:
related_models.update(
self._find_reload_model(app_label, model_name, delay)
)
related_models.update(self._find_reload_model(app_label, model_name, delay))
self._reload(related_models)
def _reload(self, related_models):
@@ -412,137 +188,30 @@ class ProjectState:
# Render all models
self.apps.render_multiple(states_to_be_rendered)
def update_model_field_relation(
self,
model,
model_key,
field_name,
field,
concretes,
):
remote_model_key = resolve_relation(model, *model_key)
if remote_model_key[0] not in self.real_apps and remote_model_key in concretes:
remote_model_key = concretes[remote_model_key]
relations_to_remote_model = self._relations[remote_model_key]
if field_name in self.models[model_key].fields:
# The assert holds because it's a new relation, or an altered
# relation, in which case references have been removed by
# alter_field().
assert field_name not in relations_to_remote_model[model_key]
relations_to_remote_model[model_key][field_name] = field
else:
del relations_to_remote_model[model_key][field_name]
if not relations_to_remote_model[model_key]:
del relations_to_remote_model[model_key]
def resolve_model_field_relations(
self,
model_key,
field_name,
field,
concretes=None,
):
remote_field = field.remote_field
if not remote_field:
return
if concretes is None:
concretes, _ = self._get_concrete_models_mapping_and_proxy_models()
self.update_model_field_relation(
remote_field.model,
model_key,
field_name,
field,
concretes,
)
through = getattr(remote_field, "through", None)
if not through:
return
self.update_model_field_relation(
through, model_key, field_name, field, concretes
)
def resolve_model_relations(self, model_key, concretes=None):
if concretes is None:
concretes, _ = self._get_concrete_models_mapping_and_proxy_models()
model_state = self.models[model_key]
for field_name, field in model_state.fields.items():
self.resolve_model_field_relations(model_key, field_name, field, concretes)
def resolve_fields_and_relations(self):
# Resolve fields.
for model_state in self.models.values():
for field_name, field in model_state.fields.items():
field.name = field_name
# Resolve relations.
# {remote_model_key: {model_key: {field_name: field}}}
self._relations = defaultdict(partial(defaultdict, dict))
concretes, proxies = self._get_concrete_models_mapping_and_proxy_models()
for model_key in concretes:
self.resolve_model_relations(model_key, concretes)
for model_key in proxies:
self._relations[model_key] = self._relations[concretes[model_key]]
def get_concrete_model_key(self, model):
(
concrete_models_mapping,
_,
) = self._get_concrete_models_mapping_and_proxy_models()
model_key = make_model_tuple(model)
return concrete_models_mapping[model_key]
def _get_concrete_models_mapping_and_proxy_models(self):
concrete_models_mapping = {}
proxy_models = {}
# Split models to proxy and concrete models.
for model_key, model_state in self.models.items():
if model_state.options.get("proxy"):
proxy_models[model_key] = model_state
# Find a concrete model for the proxy.
concrete_models_mapping[
model_key
] = self._find_concrete_model_from_proxy(
proxy_models,
model_state,
)
else:
concrete_models_mapping[model_key] = model_key
return concrete_models_mapping, proxy_models
def _find_concrete_model_from_proxy(self, proxy_models, model_state):
for base in model_state.bases:
if not (isinstance(base, str) or issubclass(base, models.Model)):
continue
base_key = make_model_tuple(base)
base_state = proxy_models.get(base_key)
if not base_state:
# Concrete model found, stop looking at bases.
return base_key
return self._find_concrete_model_from_proxy(proxy_models, base_state)
def clone(self):
"""Return an exact copy of this ProjectState."""
new_state = ProjectState(
models={k: v.clone() for k, v in self.models.items()},
real_apps=self.real_apps,
)
if "apps" in self.__dict__:
if 'apps' in self.__dict__:
new_state.apps = self.apps.clone()
new_state.is_delayed = self.is_delayed
return new_state
def clear_delayed_apps_cache(self):
if self.is_delayed and "apps" in self.__dict__:
del self.__dict__["apps"]
if self.is_delayed and 'apps' in self.__dict__:
del self.__dict__['apps']
@cached_property
def apps(self):
return StateApps(self.real_apps, self.models)
@property
def concrete_apps(self):
self.apps = StateApps(self.real_apps, self.models, ignore_swappable=True)
return self.apps
@classmethod
def from_apps(cls, apps):
"""Take an Apps and return a ProjectState matching it."""
@@ -553,12 +222,11 @@ class ProjectState:
return cls(app_models)
def __eq__(self, other):
return self.models == other.models and self.real_apps == other.real_apps
return self.models == other.models and set(self.real_apps) == set(other.real_apps)
class AppConfigStub(AppConfig):
"""Stub of an AppConfig. Only provides a label and a dict of models."""
def __init__(self, label):
self.apps = None
self.models = {}
@@ -577,7 +245,6 @@ class StateApps(Apps):
Subclass of the global Apps registry class to better handle dynamic model
additions and removals.
"""
def __init__(self, real_apps, models, ignore_swappable=False):
# Any apps in self.real_apps should have all their models included
# in the render. We don't use the original model instances as there
@@ -591,9 +258,7 @@ class StateApps(Apps):
self.real_models.append(ModelState.from_model(model, exclude_rels=True))
# Populate the app registry with a stub for each application.
app_labels = {model_state.app_label for model_state in models.values()}
app_configs = [
AppConfigStub(label) for label in sorted([*real_apps, *app_labels])
]
app_configs = [AppConfigStub(label) for label in sorted([*real_apps, *app_labels])]
super().__init__(app_configs)
# These locks get in the way of copying as implemented in clone(),
@@ -606,10 +271,7 @@ class StateApps(Apps):
# There shouldn't be any operations pending at this point.
from django.core.checks.model_checks import _check_lazy_references
ignore = (
{make_model_tuple(settings.AUTH_USER_MODEL)} if ignore_swappable else set()
)
ignore = {make_model_tuple(settings.AUTH_USER_MODEL)} if ignore_swappable else set()
errors = _check_lazy_references(self, ignore=ignore)
if errors:
raise ValueError("\n".join(error.msg for error in errors))
@@ -645,12 +307,10 @@ class StateApps(Apps):
new_unrendered_models.append(model)
if len(new_unrendered_models) == len(unrendered_models):
raise InvalidBasesError(
"Cannot resolve bases for %r\nThis can happen if you are "
"inheriting models from an app with migrations (e.g. "
"contrib.auth)\n in an app with no migrations; see "
"https://docs.djangoproject.com/en/%s/topics/migrations/"
"#dependencies for more"
% (new_unrendered_models, get_docs_version())
"Cannot resolve bases for %r\nThis can happen if you are inheriting models from an "
"app with migrations (e.g. contrib.auth)\n in an app with no migrations; see "
"https://docs.djangoproject.com/en/%s/topics/migrations/#dependencies "
"for more" % (new_unrendered_models, get_docs_version())
)
unrendered_models = new_unrendered_models
@@ -694,36 +354,34 @@ class ModelState:
assign new ones, as these are not detached during a clone.
"""
def __init__(
self, app_label, name, fields, options=None, bases=None, managers=None
):
def __init__(self, app_label, name, fields, options=None, bases=None, managers=None):
self.app_label = app_label
self.name = name
self.fields = dict(fields)
self.options = options or {}
self.options.setdefault("indexes", [])
self.options.setdefault("constraints", [])
self.options.setdefault('indexes', [])
self.options.setdefault('constraints', [])
self.bases = bases or (models.Model,)
self.managers = managers or []
for name, field in self.fields.items():
# Sanity-check that fields are NOT already bound to a model.
if hasattr(field, "model"):
if hasattr(field, 'model'):
raise ValueError(
'ModelState.fields cannot be bound to a model - "%s" is.' % name
)
# Sanity-check that relation fields are NOT referring to a model class.
if field.is_relation and hasattr(field.related_model, "_meta"):
if field.is_relation and hasattr(field.related_model, '_meta'):
raise ValueError(
'ModelState.fields cannot refer to a model class - "%s.to" does. '
"Use a string reference instead." % name
'Use a string reference instead.' % name
)
if field.many_to_many and hasattr(field.remote_field.through, "_meta"):
if field.many_to_many and hasattr(field.remote_field.through, '_meta'):
raise ValueError(
'ModelState.fields cannot refer to a model class - "%s.through" '
"does. Use a string reference instead." % name
'ModelState.fields cannot refer to a model class - "%s.through" does. '
'Use a string reference instead.' % name
)
# Sanity-check that indexes have their name set.
for index in self.options["indexes"]:
for index in self.options['indexes']:
if not index.name:
raise ValueError(
"Indexes passed to ModelState require a name attribute. "
@@ -734,11 +392,6 @@ class ModelState:
def name_lower(self):
return self.name.lower()
def get_field(self, field_name):
if field_name == "_order":
field_name = self.options.get("order_with_respect_to", field_name)
return self.fields[field_name]
@classmethod
def from_model(cls, model, exclude_rels=False):
"""Given a model, return a ModelState representing it."""
@@ -753,28 +406,22 @@ class ModelState:
try:
fields.append((name, field.clone()))
except TypeError as e:
raise TypeError(
"Couldn't reconstruct field %s on %s: %s"
% (
name,
model._meta.label,
e,
)
)
raise TypeError("Couldn't reconstruct field %s on %s: %s" % (
name,
model._meta.label,
e,
))
if not exclude_rels:
for field in model._meta.local_many_to_many:
name = field.name
try:
fields.append((name, field.clone()))
except TypeError as e:
raise TypeError(
"Couldn't reconstruct m2m field %s on %s: %s"
% (
name,
model._meta.object_name,
e,
)
)
raise TypeError("Couldn't reconstruct m2m field %s on %s: %s" % (
name,
model._meta.object_name,
e,
))
# Extract the options
options = {}
for name in DEFAULT_NAMES:
@@ -793,11 +440,9 @@ class ModelState:
for index in indexes:
if not index.name:
index.set_name_with_model(model)
options["indexes"] = indexes
elif name == "constraints":
options["constraints"] = [
con.clone() for con in model._meta.constraints
]
options['indexes'] = indexes
elif name == 'constraints':
options['constraints'] = [con.clone() for con in model._meta.constraints]
else:
options[name] = model._meta.original_attrs[name]
# If we're ignoring relationships, remove all field-listing model
@@ -807,10 +452,8 @@ class ModelState:
if key in options:
del options[key]
# Private fields are ignored, so remove options that refer to them.
elif options.get("order_with_respect_to") in {
field.name for field in model._meta.private_fields
}:
del options["order_with_respect_to"]
elif options.get('order_with_respect_to') in {field.name for field in model._meta.private_fields}:
del options['order_with_respect_to']
def flatten_bases(model):
bases = []
@@ -826,19 +469,19 @@ class ModelState:
# __bases__ we may end up with duplicates and ordering issues, we
# therefore discard any duplicates and reorder the bases according
# to their index in the MRO.
flattened_bases = sorted(
set(flatten_bases(model)), key=lambda x: model.__mro__.index(x)
)
flattened_bases = sorted(set(flatten_bases(model)), key=lambda x: model.__mro__.index(x))
# Make our record
bases = tuple(
(base._meta.label_lower if hasattr(base, "_meta") else base)
(
base._meta.label_lower
if hasattr(base, "_meta") else
base
)
for base in flattened_bases
)
# Ensure at least one base inherits from models.Model
if not any(
(isinstance(base, str) or issubclass(base, models.Model)) for base in bases
):
if not any((isinstance(base, str) or issubclass(base, models.Model)) for base in bases):
bases = (models.Model,)
managers = []
@@ -865,7 +508,7 @@ class ModelState:
managers.append((manager.name, new_manager))
# Ignore a shimmed default manager called objects if it's the only one.
if managers == [("objects", default_manager_shim)]:
if managers == [('objects', default_manager_shim)]:
managers = []
# Construct the new ModelState
@@ -908,7 +551,7 @@ class ModelState:
def render(self, apps):
"""Create a Model object from our current state into the given apps."""
# First, make a Meta object
meta_contents = {"app_label": self.app_label, "apps": apps, **self.options}
meta_contents = {'app_label': self.app_label, 'apps': apps, **self.options}
meta = type("Meta", (), meta_contents)
# Then, work out our bases
try:
@@ -917,13 +560,11 @@ class ModelState:
for base in self.bases
)
except LookupError:
raise InvalidBasesError(
"Cannot resolve one or more bases from %r" % (self.bases,)
)
raise InvalidBasesError("Cannot resolve one or more bases from %r" % (self.bases,))
# Clone fields for the body, add other bits.
body = {name: field.clone() for name, field in self.fields.items()}
body["Meta"] = meta
body["__module__"] = "__fake__"
body['Meta'] = meta
body['__module__'] = "__fake__"
# Restore managers
body.update(self.construct_managers())
@@ -931,33 +572,33 @@ class ModelState:
return type(self.name, bases, body)
def get_index_by_name(self, name):
for index in self.options["indexes"]:
for index in self.options['indexes']:
if index.name == name:
return index
raise ValueError("No index named %s on model %s" % (name, self.name))
def get_constraint_by_name(self, name):
for constraint in self.options["constraints"]:
for constraint in self.options['constraints']:
if constraint.name == name:
return constraint
raise ValueError("No constraint named %s on model %s" % (name, self.name))
raise ValueError('No constraint named %s on model %s' % (name, self.name))
def __repr__(self):
return "<%s: '%s.%s'>" % (self.__class__.__name__, self.app_label, self.name)
def __eq__(self, other):
return (
(self.app_label == other.app_label)
and (self.name == other.name)
and (len(self.fields) == len(other.fields))
and all(
(self.app_label == other.app_label) and
(self.name == other.name) and
(len(self.fields) == len(other.fields)) and
all(
k1 == k2 and f1.deconstruct()[1:] == f2.deconstruct()[1:]
for (k1, f1), (k2, f2) in zip(
sorted(self.fields.items()),
sorted(other.fields.items()),
)
)
and (self.options == other.options)
and (self.bases == other.bases)
and (self.managers == other.managers)
) and
(self.options == other.options) and
(self.bases == other.bases) and
(self.managers == other.managers)
)