def do_destroy(self, line):
"""Deletes an instance based on the class name and id.
"""
if not line:
print("** class name missing **")
return
args_ = line.split(' ')
classes = storage.accepted_classes()
if args_[0] not in classes:
print("** class doesn't exist **")
return
if len(args_) == 1:
print("** instance id missing **")
return
if not re.search(r'\w+-\w+-\w+-\w+-\w+', args_[1]):
print("** no instance found **")
return
objects = storage.all()
key_search = args_[0] + '.' + args_[1]
if key_search not in objects:
print("** no instance found **")
return
del objects[key_search]
storage.save()
def do_show(self, line):
"""Prints the string representation of an instance.
"""
if not line:
print("** class name missing **")
return
args_ = line.split(' ')
classes = storage.accepted_classes()
if args_[0] not in classes:
print("** class doesn't exist **")
return
if len(args_) == 1:
print("** instance id missing **")
return
if not re.search(r'\w+-\w+-\w+-\w+-\w+', args_[1]):
print("** no instance found **")
return
objects = storage.all()
key_search = args_[0] + '.' + args_[1].strip('"')
if key_search not in objects:
print("** no instance found **")
return
try:
with open("file.json", 'r') as f:
print(objects[key_search])
except BaseException:
pass
def do_create(self, line):
"""Creates an instance
"""
if not line:
print("** class name missing **")
return
classes = storage.accepted_classes()
if line not in classes:
print("** class doesn't exist **")
return
b = classes[line]()
b.save()
print(b.id)
def do_all(self, line):
"""Prints all string representation of all instances.
"""
args_ = line.split(' ')
if not line:
out_ = [v.__str__() for k, v in storage.all().items()]
elif args_[0] in storage.accepted_classes():
out_ = [
v.__str__() for k, v in storage.all().items()
if args_[0] == type(v).__name__
]
else:
print("** class doesn't exist **")
return
print(out_)
def do_update(self, line):
"""update the instances of a class.
"""
if not line:
print("** class name is missing **")
return
class_ = storage.accepted_classes()
args_ = line.split(' ')
if args_[0] not in class_:
print("** class doesn't exist *'*")
return
if len(args_) == 1:
print("** instance id missing **")
return
if not re.search(r'\w+-\w+-\w+-\w+-\w+', args_[1]):
print("** no instance found **")
return
key_search = args_[0] + '.' + args_[1]
if key_search not in storage.all():
print("** no instance found **")
return
if len(args_) == 2:
print("** attribute name missing **")
return
if len(args_) == 3:
print("** value missing **")
return
object_ = storage.all()[key_search]
object_.__dict__[args_[2]] = args_[3].strip('"')
object_.save()