def _from_view_models(self):
if hasattr(self._view_meta, "from_view_models"):
return self._view_meta.from_view_models
tables = {
model._meta.db_table: model for model in apps.get_models()
}
from_models = self._view_meta.from_models
from_view_models = set()
for label in from_models:
if "." in label:
app_label, model_name = label.split(".")
model = apps.get_model(app_label=app_label, model_name=model_name)
if issubclass(model, View):
from_view_models.add(model)
else:
model = tables[label]
if issubclass(model, View):
from_view_models.add(model)
setattr(self._view_meta, "from_view_models", from_view_models)
return from_view_models
python类get_models()的实例源码
def handle(self, *args, **options):
validate = options.get('validate', False)
force = options.get('force', False)
app_config = apps.get_app_config('postgresviews')
tables = {
model._meta.db_table: model for model in apps.get_models()
}
for model in ViewBase.view_models:
app_config.validate_view_model(model, tables)
if validate:
return
if force:
drop_views()
create_views()
def check_all_models(app_configs=None, **kwargs):
errors = []
for model in apps.get_models():
if app_configs is None or model._meta.app_config in app_configs:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is "
"currently overridden by %r." % (
model.__name__, model.check),
hint=None,
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models() for app_config in app_configs)
for model in models:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is currently overridden by %r."
% (model.__name__, model.check),
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models() for app_config in app_configs)
for model in models:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is currently overridden by %r."
% (model.__name__, model.check),
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models() for app_config in app_configs)
for model in models:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is currently overridden by %r."
% (model.__name__, model.check),
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def handle(self, *args, **options):
page_photos = PagePhoto.objects.filter(instance_id=0)
if page_photos.exists():
self.stdout.write('Deleting %s PagePhoto without instance' % page_photos.count())
page_photos.delete()
page_files = PageFile.objects.filter(instance_id=0)
if page_files.exists():
self.stdout.write('Deleting %s PageFiles without instance' % page_files.count())
page_files.delete()
simple_photos = SimplePhoto.objects.filter(instance_id=0)
if simple_photos.exists():
self.stdout.write('Deleting %s SimplePhoto without instance' % simple_photos.count())
simple_photos.delete()
for app in self.get_apps():
for model in apps.get_models(app):
if not model._meta.managed:
continue
self.process_model(app, model)
self.stdout.write('Done')
def check_all_models(app_configs=None, **kwargs):
errors = []
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models() for app_config in app_configs)
for model in models:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is currently overridden by %r."
% (model.__name__, model.check),
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
for model in apps.get_models():
if app_configs is None or model._meta.app_config in app_configs:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is "
"currently overridden by %r." % (
model.__name__, model.check),
hint=None,
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
for model in apps.get_models():
if app_configs is None or model._meta.app_config in app_configs:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is "
"currently overridden by %r." % (
model.__name__, model.check),
hint=None,
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
for model in apps.get_models():
if app_configs is None or model._meta.app_config in app_configs:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is "
"currently overridden by %r." % (
model.__name__, model.check),
hint=None,
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
for model in apps.get_models():
if app_configs is None or model._meta.app_config in app_configs:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is "
"currently overridden by %r." % (
model.__name__, model.check),
hint=None,
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
for model in apps.get_models():
if app_configs is None or model._meta.app_config in app_configs:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is "
"currently overridden by %r." % (
model.__name__, model.check),
hint=None,
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models() for app_config in app_configs)
for model in models:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is currently overridden by %r."
% (model.__name__, model.check),
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def check_all_models(app_configs=None, **kwargs):
errors = []
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models() for app_config in app_configs)
for model in models:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is currently overridden by %r."
% (model.__name__, model.check),
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
def handle_noargs(self, *args, **options):
verbosity = int(options.get('verbosity'))
for model in apps.get_models():
if hasattr(model, 'add_missing_placeholders'):
if verbosity:
self.stdout.write('Adding placeholders for %s "%s"...' % (
model.objects.count(),
force_text(model._meta.verbose_name_plural).title(),
))
ok = updated = 0
for obj in model.objects.all():
if obj.add_missing_placeholders():
updated += 1
else:
ok += 1
if verbosity:
self.stdout.write('%s updated, %s OK' % (updated, ok))
def check_all_models(app_configs=None, **kwargs):
errors = []
if app_configs is None:
models = apps.get_models()
else:
models = chain.from_iterable(app_config.get_models() for app_config in app_configs)
for model in models:
if not inspect.ismethod(model.check):
errors.append(
Error(
"The '%s.check()' class method is currently overridden by %r."
% (model.__name__, model.check),
obj=model,
id='models.E020'
)
)
else:
errors.extend(model.check(**kwargs))
return errors
def _build_kml_sources(self, sources):
"""
Goes through the given sources and returns a 3-tuple of
the application label, module name, and field name of every
GeometryField encountered in the sources.
If no sources are provided, then all models.
"""
kml_sources = []
if sources is None:
sources = apps.get_models()
for source in sources:
if isinstance(source, models.base.ModelBase):
for field in source._meta.fields:
if isinstance(field, GeometryField):
kml_sources.append((source._meta.app_label,
source._meta.model_name,
field.name))
elif isinstance(source, (list, tuple)):
if len(source) != 3:
raise ValueError('Must specify a 3-tuple of (app_label, module_name, field_name).')
kml_sources.append(source)
else:
raise TypeError('KML Sources must be a model or a 3-tuple.')
return kml_sources
