tasks.py 文件源码

def __init__(self, roles=(), hosts=(), create_default_roles=True):
        if create_default_roles:
            for role in roles:
                fab.env.roledefs.setdefault(role, [])
        for task in self:
            if not hasattr(task, 'roles'):
                task.roles = roles
            if not hasattr(task, 'hosts'):
                task.hosts = hosts