def do_update(self, args):
"""
update exisiting instances
Ex: update BaseModel 123 email "*****@*****.**"
"""
args = "".join(args).split()
key = models.error_check(args)
if key == 0:
return
try:
#check ID is valid
obj_dict = models.storage.all()
value = obj_dict[key]
except KeyError:
print("** no instance found **")
return
if len(args) == 2:
#check attribute is inputed
print("** attribute name missing **")
return
if len(args) == 3:
#check attribute value is inputed
print("** value missing **")
return
#check attribute is valid
new_args3 = args[3].replace('"', '')
if hasattr(value, args[2]):
item = getattr(value, args[2])
convert = type(item)
new_args3 = convert(new_args3)
setattr(value, args[2], new_args3)
value.save()
def do_show(self, args):
"""Print the instance's class name and ID"""
args = "".join(args).split()
key = models.error_check(args)
if key == 0:
return
try:
obj_dict = models.storage.all()
value = obj_dict[key]
print(value)
except KeyError:
print("** no instance found **")
def do_destroy(self, args):
"""Deletes an existing instance"""
args = "".join(args).split()
key = models.error_check(args)
if key == 0:
return
try:
obj_dict = models.storage.all()
del obj_dict[key]
models.storage.save()
except KeyError:
print("** no instance found **")
def do_create(self, args):
"""Create a new instance of a class"""
args = "".join(args).split()
#check that there isn't more than one arg
if len(args) == 1:
error = models.error_check(args, 1)
if error != 0:
model = eval("models.{}".format(args[0]))()
model.save()
print(model.id)
else:
print("** class name missing **")
def do_all(self, args):
"""Print instances: can print class-specific"""
args = "".join(args).split()
obj_dict = models.storage.all()
#all w/o class name
if len(args) == 0:
for obj_id in obj_dict.keys():
obj = obj_dict[obj_id]
print(obj)
#all w/class name
else:
if models.error_check(args, 1) == 0:
return
else:
for k, v in obj_dict.items():
if v.to_dict()['__class__'] == args[0]:
obj = obj_dict[k]
print(obj)