Function attrsetter

lib/sqlalchemy/util/langhelpers.py:2035–2039

(attrname)

def attrsetter(attrname):
    code = "def set(obj, value):    obj.%s = value" % attrname
    env = locals().copy()
    exec(code, env)
    return env["set"]


dunders_re = re.compile("^__.+__$")