def from_abspath(cls, abspath):
env = get_env()
root_directory = env.root_directory
if not os.path.isabs(abspath):
abspath = os.path.abspath(abspath)
if not abspath.startswith(root_directory):
raise ValueError("{abspath} must start with {root_directory}.".format(**locals()))
if abspath == root_directory:
return "" # root
c = abspath[len(root_directory):]
if not c.startswith("/"):
raise ValueError("{} must start with / .".format(c))
return Filepath(c, env)
def Session(**kw):
env = get_env()
return env.Session(**kw)
def __new__(cls, path, env=None):
cls.env = env or get_env()
obj = super().__new__(cls, path)
return obj
