bitfields-py
is a simple way to abstract away bitmasking bitfields used for things like permissions, flags, etc.
Automatically serialize and de-sserialize bitfields via marshmallow
python -m pip install altflags
from altflags import Flags, flag
class Permissions(Flags):
create_message = flag(0)
delete_message = flag(1)
edit_message = flag(2)
user_permissions = Permissions()
# Set create_message and edit_message flags to true
user_permissions.create_message = True
user_permissions.edit_message = True
# print flags as binary
print("{:0b}".format(user_permissions.flags))
# >>> 101
# all flags are False (0) from initialization
# print flags as integer
print({:0n}.format(user_permissions.flags))
# >>> 5
user2_permissions = Permission()
user2_permissions.create_message = True
user2_permissions.edit_message = True
print(user_permissions == user2_permissions)
# >>> True
user2_permissions.create_message = False
print(user_permissions == user2_permissions)
# >>> False
class Permissions(Flags):
create_message = flag(0)
delete_message = flag(1)
edit_message = flag(2)
@classmethod
def all(cls):
new_cls = cls()
new_cls.create_message = True
new_cls.delete_message = True
new_cls.edit_message = True
return new_cls
user_permissions = Permissions.all()
print({:0b}.format(user_permissions))
# >>> 111
print({:0n}.format(user_permissions))
# >>> 7
flags(n: int)
n argument specifies the bit position of your flag (Warning: These can be overwritten).