def handle(self, dump_name, *pks, **options):
# Get the primary object
dump_settings = settings.CUSTOM_DUMPS[dump_name]
(app_label, model_name) = dump_settings['primary'].split('.')
dump_me = loading.get_model(app_label, model_name)
objs = dump_me.objects.filter(pk__in=[int(i) for i in pks])
for obj in objs:
# get the dependent objects and add to serialize list
for dep in dump_settings['dependents']:
try:
thing = Variable("thing.%s" % dep).resolve({'thing': obj})
add_to_serialize_list([thing])
except VariableDoesNotExist:
sys.stderr.write('%s not found' % dep)
if not dump_settings['dependents']:
add_to_serialize_list([obj])
serialize_fully()
data = serialize('json', [o for o in serialize_me if o is not None])
data = reorder_json(json.loads(data),
dump_settings.get('order', []),
ordering_cond=dump_settings.get('order_cond', {}))
print json.dumps(data, indent=4)
def handle(self, dump_name, *pks, **options):
# Get the primary object
dump_settings = settings.CUSTOM_DUMPS[dump_name]
(app_label, model_name) = dump_settings['primary'].split('.')
dump_me = loading.get_model(app_label, model_name)
objs = dump_me.objects.filter(pk__in=[int(i) for i in pks])
for obj in objs:
# get the dependent objects and add to serialize list
for dep in dump_settings['dependents']:
try:
thing = Variable("thing.%s" % dep).resolve({'thing': obj})
add_to_serialize_list([thing])
except VariableDoesNotExist:
sys.stderr.write('%s not found' % dep)
if not dump_settings['dependents']:
add_to_serialize_list([obj])
serialize_fully()
data = serialize('json', [o for o in serialize_me if o is not None])
data = reorder_json(json.loads(data), dump_settings.get('order', []),
ordering_cond=dump_settings.get('order_cond',{}))
print json.dumps(data, indent=4)
def test_reorder_json(self):
"""Test basic ordering of JSON/python object."""
input_json = [
{
'model': 'f'
},
{
'model': 'x'
},
]
expected = [{'model': 'x'}, {'model': 'f'}]
self.assertEqual(expected, reorder_json(input_json, models=['x', 'f']))
def handle(self, dump_name, pk, **options):
# Get the primary object
dump_settings = settings.CUSTOM_DUMPS[dump_name]
(app_label, model_name) = dump_settings['primary'].split('.')
dump_me = loading.get_model(app_label, model_name)
obj = dump_me.objects.get(pk=pk)
# get the dependent objects and add to serialize list
for dep in dump_settings['dependents']:
thing = Variable("thing.%s" % dep).resolve({'thing': obj})
add_to_serialize_list([thing])
serialize_fully()
data = serialize('json', [o for o in serialize_me if o is not None])
data = reorder_json(json.loads(data), dump_settings.get('order', []))
print json.dumps(data, indent=4)
def handle(self, dump_name, *ids, **options):
# Get the primary object
dump_settings = settings.CUSTOM_DUMPS[dump_name]
(app_label, model_name) = dump_settings['primary'].split('.')
dump_me = loading.get_model(app_label, model_name)
if ids[0] == '*':
objs = dump_me.objects.all()
else:
try:
objs = dump_me.objects.filter(pk__in=[int(i) for i in ids])
except ValueError:
# We might have primary keys that are longs...
try:
objs = dump_me.objects.filter(
pk__in=[long(i) for i in ids])
except ValueError:
# or json objects for better filter control
try:
objs = dump_me.objects.filter(**json.loads(ids[0]))
except ValueError:
# Finally, we might have primary keys that are strings...
objs = dump_me.objects.filter(pk__in=ids)
for obj in objs:
# get the dependent objects and add to serialize list
for dep in dump_settings['dependents']:
try:
thing = Variable("thing.%s" % dep).resolve({'thing': obj})
add_to_serialize_list([thing])
except VariableDoesNotExist:
sys.stderr.write('%s not found' % dep)
if not dump_settings['dependents']:
add_to_serialize_list([obj])
serialize_fully()
data = serialize('json', [o for o in serialize_me if o is not None])
data = reorder_json(json.loads(data),
dump_settings.get('order', []),
ordering_cond=dump_settings.get('order_cond', {}))
print json.dumps(data, indent=4)
def handle(self, dump_name, *ids, **options):
# Get the primary object
dump_settings = settings.CUSTOM_DUMPS[dump_name]
(app_label, model_name) = dump_settings["primary"].split(".")
dump_me = loading.get_model(app_label, model_name)
if ids[0] == "*":
objs = dump_me.objects.all()
else:
try:
objs = dump_me.objects.filter(pk__in=[int(i) for i in ids])
except ValueError:
# We might have primary keys that are longs...
try:
objs = dump_me.objects.filter(pk__in=[long(i) for i in ids])
except ValueError:
# or json objects for better filter control
try:
objs = dump_me.objects.filter(**json.loads(ids[0]))
except ValueError:
# Finally, we might have primary keys that are strings...
objs = dump_me.objects.filter(pk__in=ids)
for obj in objs:
# get the dependent objects and add to serialize list
for dep in dump_settings["dependents"]:
try:
thing = Variable("thing.%s" % dep).resolve({"thing": obj})
add_to_serialize_list([thing])
except VariableDoesNotExist:
sys.stderr.write("%s not found" % dep)
if not dump_settings["dependents"]:
add_to_serialize_list([obj])
serialize_fully()
data = serialize("json", [o for o in serialize_me if o is not None])
data = reorder_json(
json.loads(data), dump_settings.get("order", []), ordering_cond=dump_settings.get("order_cond", {})
)
print json.dumps(data, indent=4)
def handle(self, *args, **options):
# Get the primary object
dump_name = options["dump_name"]
pks = options["pk"]
dump_settings = settings.CUSTOM_DUMPS[dump_name]
(app_label, model_name) = dump_settings["primary"].split(".")
include_primary = dump_settings.get("include_primary", False)
dump_me = loading.get_model(app_label, model_name)
objs = dump_me.objects.filter(pk__in=[int(i) for i in pks])
for obj in objs.all():
# get the dependent objects and add to serialize list
for dep in dump_settings["dependents"]:
try:
thing = Variable("thing.%s" % dep).resolve({"thing": obj})
if hasattr(
thing,
"all"): # Related managers can't be iterated over
thing = thing.all()
add_to_serialize_list([thing])
except VariableDoesNotExist:
sys.stderr.write("%s not found" % dep)
if include_primary or not dump_settings["dependents"]:
add_to_serialize_list([obj])
serialize_fully()
data = serialize(
"json",
[o for o in serialize_me if o is not None],
indent=4,
use_natural_foreign_keys=options.get("natural", False),
use_natural_primary_keys=options.get("natural", False),
)
data = reorder_json(
json.loads(data),
dump_settings.get("order", []),
ordering_cond=dump_settings.get("order_cond", {}),
)
print(json.dumps(data, indent=4))
def handle(self, *args, **options):
serialize_me = []
seen = set()
# Get the primary object
dump_name = options['dump_name']
pks = options['pk']
dump_settings = settings.CUSTOM_DUMPS[dump_name]
app_label, model_name, *manager_method = dump_settings[
'primary'].split('.')
include_primary = dump_settings.get("include_primary", False)
default_manager = loading.get_model(app_label, model_name).objects
if manager_method:
queryset = getattr(default_manager, manager_method[0])()
else:
queryset = default_manager.all()
if pks:
queryset = queryset.filter(pk__in=pks)
deps = dump_settings.get('dependents', [])
for obj in queryset:
# get the dependent objects and add to serialize list
for dep in deps:
process_dep(obj, dep, serialize_me, seen)
if include_primary or not deps:
add_to_serialize_list([obj], serialize_me, seen)
serialize_fully(serialize_me, seen)
data = serialize(
'json',
[o for o in serialize_me if o is not None],
indent=4,
use_natural_foreign_keys=options.get('natural', False),
use_natural_primary_keys=options.get('natural', False),
)
data = reorder_json(json.loads(data),
dump_settings.get('order', []),
ordering_cond=dump_settings.get('order_cond', {}))
self.stdout.write(json.dumps(data, indent=4))
def handle(self, *args, **options):
# Get the primary object
dump_name = options['dump_name']
pks = options['pk']
dump_settings = settings.CUSTOM_DUMPS[dump_name]
(app_label, model_name) = dump_settings['primary'].split('.')
include_primary = dump_settings.get("include_primary", False)
dump_me = loading.get_model(app_label, model_name)
objs = dump_me.objects.filter(pk__in=[int(i) for i in pks])
for obj in objs.all():
# get the dependent objects and add to serialize list
for dep in dump_settings['dependents']:
try:
thing = Variable("thing.%s" % dep).resolve({'thing': obj})
if hasattr(thing, 'all'): # Related managers can't be iterated over
thing = thing.all()
add_to_serialize_list([thing])
except VariableDoesNotExist:
sys.stderr.write('%s not found' % dep)
if include_primary or not dump_settings['dependents']:
add_to_serialize_list([obj])
serialize_fully()
data = serialize('json', [o for o in serialize_me if o is not None],
indent=4,
use_natural_foreign_keys=options.get('natural', False),
use_natural_primary_keys=options.get('natural', False),
)
data = reorder_json(
json.loads(data),
dump_settings.get('order', []),
ordering_cond=dump_settings.get('order_cond', {})
)
print(json.dumps(data, indent=4))
def handle(self, *args, **options):
serialize_me = []
seen = set()
error_text = ('%s\nTry calling dump_object with --help argument or ' +
'use the following arguments:\n %s' % self.args)
try:
# verify input is valid
try:
(app_label, model_name) = options['model'].split('.')
except AttributeError:
raise CommandError("Specify model as `appname.modelname")
query = options['query']
ids = options['ids']
if options['order']:
options['order'] = json.loads(options['order'])
ignore = []
if options['ignore']:
ignore = json.loads(options['ignore'])
related_ignore = []
if options['related_ignore']:
related_ignore = json.loads(options['related_ignore'])
if ids and query:
raise CommandError(error_text % 'either use query or id list, not both')
if not (ids or query):
raise CommandError(error_text % 'must pass list of --ids or a json --query')
except IndexError:
raise CommandError(error_text % 'No object_class or filter clause supplied.')
except ValueError as e:
raise CommandError(
error_text %
"object_class must be provided in the following format: app_name.model_name"
)
except AssertionError:
raise CommandError(error_text % 'No filter argument supplied.')
dump_me = loading.get_model(app_label, model_name)
if query:
objs = dump_me.objects.filter(**json.loads(query))
else:
if ids[0] == '*':
objs = dump_me.objects.all()
else:
try:
parsers = int, long, str
except NameError:
parsers = int, str
for parser in parsers:
try:
objs = dump_me.objects.filter(pk__in=map(parser, ids))
except ValueError:
pass
else:
break
else:
objs = []
if options.get('kitchensink'):
fields = get_all_related_objects(dump_me)
# if there are no related ignores for this model include the field
# or if this related field is not in the related ignores include the field
related_fields = [rel.get_accessor_name() for rel in fields if
model_name not in related_ignore or
rel.name not in related_ignore[model_name]]
for obj in objs:
for rel in related_fields:
try:
if hasattr(getattr(obj, rel), 'all'):
add_to_serialize_list(getattr(obj, rel).all(),
serialize_me, seen, ignore=ignore)
else:
add_to_serialize_list([getattr(obj, rel)],
serialize_me, seen, ignore=ignore)
except FieldError:
pass
except ObjectDoesNotExist:
pass
add_to_serialize_list(objs, serialize_me, seen, prepend=True, ignore=ignore)
if options.get('follow_fk', True):
serialize_fully(serialize_me, seen, ignore)
else:
# reverse list to match output of serializez_fully
serialize_me.reverse()
natural_foreign = (options.get('natural', False) or
options.get('natural_foreign', False))
natural_primary = (options.get('natural', False) or
options.get('natural_primary', False))
data = serialize(options.get('format', 'json'),
[o for o in serialize_me if o is not None],
indent=4,
use_natural_foreign_keys=natural_foreign,
use_natural_primary_keys=natural_primary)
data = reorder_json(
json.loads(data),
options.get('order', []),
)
self.stdout.write(json.dumps(data, indent=4))
def handle(self, fixture, *models, **options):
output = reorder_json(json.loads(file(fixture).read()), models)
print json.dumps(output, indent=4)
def test_reorder_json(self):
"""Test basic ordering of JSON/python object."""
input_json = [{'model': 'f'}, {'model': 'x'},]
expected = [{'model': 'x'}, {'model': 'f'}]
self.assertEqual(expected, reorder_json(input_json, models=['x', 'f'])
)
def dump_object(model,
query,
ids,
order=[],
ignore=[],
related_ignore={},
additional_serialization_objects_fnc=None,
format='json',
kitchensink=True,
follow_fk=True,
natural=False,
natural_foreign=False,
natural_primary=False):
serialize_me = []
seen = set()
error_text = ('Error\n')
try:
# verify input is valid
try:
(app_label, model_name) = model.split('.')
except AttributeError:
raise CommandError("Specify model as `appname.modelname")
if ids and query:
raise CommandError(error_text % 'either use query or id list, not both')
if not (ids or query):
raise CommandError(error_text % 'must pass list of --ids or a json --query')
except IndexError:
raise CommandError(error_text % 'No object_class or filter clause supplied.')
except ValueError as e:
raise CommandError(
error_text %
"object_class must be provided in the following format: app_name.model_name"
)
except AssertionError:
raise CommandError(error_text % 'No filter argument supplied.')
dump_me = loading.get_model(app_label, model_name)
if query:
objs = dump_me.objects.filter(**json.loads(query))
else:
if ids[0] == '*':
objs = dump_me.objects.all()
else:
try:
parsers = int, long, str
except NameError:
parsers = int, str
for parser in parsers:
try:
objs = dump_me.objects.filter(pk__in=map(parser, ids))
except ValueError:
pass
else:
break
if kitchensink:
fields = get_all_related_objects(dump_me)
# if there are no related ignores for this model include the field
# or if this related field is not in the related ignores include the field
related_fields = [rel.get_accessor_name() for rel in fields if
model_name not in related_ignore or
rel.name not in related_ignore[model_name]]
generic_foreign_key_fields = get_all_generic_foreign_keys(dump_me)
for field in generic_foreign_key_fields:
if model_name not in related_ignore or field.name not in related_ignore[model_name]:
related_fields.append(field.name)
for obj in objs:
for rel in related_fields:
try:
if hasattr(getattr(obj, rel), 'all'):
add_to_serialize_list(getattr(obj, rel).all(), serialize_me, seen, ignore=ignore)
else:
add_to_serialize_list([getattr(obj, rel)], serialize_me, seen, ignore=ignore)
# allow user to add additional data apart from standard foreign keys
if additional_serialization_objects_fnc and \
callable(additional_serialization_objects_fnc):
extra_objs = additional_serialization_objects_fnc(getattr(obj, rel))
if extra_objs:
add_to_serialize_list(extra_objs, serialize_me, seen, ignore=ignore)
except FieldError:
pass
except ObjectDoesNotExist:
pass
add_to_serialize_list(objs, serialize_me, seen, prepend=True, ignore=ignore)
if follow_fk:
serialize_fully(serialize_me, seen, ignore, additional_serialization_objects_fnc)
else:
# reverse list to match output of serializez_fully
serialize_me.reverse()
natural_foreign = (natural or
natural_foreign)
natural_primary = (natural or
natural_primary)
if format:
if format == "json":
data = CustomJsonSerializer().serialize(
[o for o in serialize_me if o is not None],
indent=4,
use_natural_foreign_keys=natural_foreign,
use_natural_primary_keys=natural_primary)
else:
data = serialize(format,
[o for o in serialize_me if o is not None],
indent=4,
use_natural_foreign_keys=natural_foreign,
use_natural_primary_keys=natural_primary)
data = reorder_json(
json.loads(data),
order,
)
return json.dumps(data, indent=4)
# return unserialized objs
return [o for o in serialize_me if o is not None]
def handle(self, fixture, *models, **options):
output = reorder_json(json.loads(file(fixture).read()), models)
print json.dumps(output, indent=4)
def handle(self, *args, **options):
error_text = ('%s\nTry calling dump_object with --help argument or ' +
'use the following arguments:\n %s' % self.args)
try:
#verify input is valid
try:
(app_label, model_name) = options['model'].split('.')
except AttributeError:
raise CommandError("Specify model as `appname.modelname")
query = options['query']
ids = options['ids']
config_name = options['config_name']
if ids and query:
raise CommandError(error_text %
'either use query or id list, not both')
if not (ids or query):
raise CommandError(error_text %
'must pass list of --ids or a json --query')
except IndexError:
raise CommandError(error_text %
'No object_class or filter clause supplied.')
except ValueError:
raise CommandError(error_text %
("object_class must be provided in"
" the following format: app_name.model_name"))
except AssertionError:
raise CommandError(error_text % 'No filter argument supplied.')
dump_me = loading.get_model(app_label, model_name)
if query:
objs = dump_me.objects.filter(**json.loads(query))
else:
if ids[0] == '*':
objs = dump_me.objects.all()
else:
try:
parsers = int, long, str
except NameError:
parsers = int, str
for parser in parsers:
try:
objs = dump_me.objects.filter(pk__in=map(parser, ids))
except ValueError:
pass
else:
break
if options.get('kitchensink'):
if django.VERSION >= (1, 8):
fields = (
f for f in dump_me._meta.get_fields()
if (f.one_to_many or f.one_to_one) and f.auto_created)
else:
fields = dump_me._meta.get_all_related_objects()
related_fields = [rel.get_accessor_name() for rel in fields]
for obj in objs:
for rel in related_fields:
try:
if hasattr(getattr(obj, rel), 'all'):
add_to_serialize_list(getattr(obj, rel).all())
else:
add_to_serialize_list([getattr(obj, rel)])
except FieldError:
pass
except ObjectDoesNotExist:
pass
try:
dump_settings = settings.CUSTOM_DUMPS[config_name]
except Exception:
dump_settings = None
add_to_serialize_list(objs)
serialize_fully()
data = serialize(
options.get('format',
'json'), [o for o in serialize_me if o is not None],
indent=4,
use_natural_foreign_keys=options.get('natural', False),
use_natural_primary_keys=options.get('natural', False))
if dump_settings and dump_settings.get('order', []):
data = reorder_json(json.loads(data),
dump_settings.get('order', []),
ordering_cond=dump_settings.get(
'order_cond', {}))
self.stdout.write(json.dumps(data))
# Clear the list. Useful for when calling multiple dump_object commands with a single execution of django
del serialize_me[:]
seen.clear()