def NanMap(nan_map, strict=False):
return VariableTransformer(itemmap(
lambda tup:
(tup[0],
Uncensor(
Identity(tup[0]),
Identity(tup[1])
if isinstance(tup[1], string_types) else Constant(tup[1]))),
nan_map),
strict=strict)
def test_itemmap(self):
D, kw = self.D, self.kw
assert itemmap(reversed, D({1: 2, 2: 4}), **kw) == D({2: 1, 4: 2})
def test_itemmap(self):
D, kw = self.D, self.kw
assert itemmap(reversed, D({1: 2, 2: 4}), **kw) == D({2: 1, 4: 2})
def map(self, f: Callable[[Tuple[A, B]], Tuple[C, D]]) -> 'Map[C, D]':
return Map(dicttoolz.itemmap(f, self))
def enrich_dict_immutable(dic):
is_positive = lambda v: v >= 0
filtered = dicttoolz.keyfilter(is_positive, dic)
return dicttoolz.itemmap(_even_bar, filtered)
def test_itemmap():
assert itemmap(reversed, {1: 2, 2: 4}) == {2: 1, 4: 2}
def test_environ():
# See: https://github.com/pytoolz/cytoolz/issues/127
assert keymap(identity, os.environ) == os.environ
assert valmap(identity, os.environ) == os.environ
assert itemmap(identity, os.environ) == os.environ
def map(self, f: Callable[[A, B], Tuple[C, D]]) -> 'Map[C, D]':
wrap = lambda a: f(*a)
return Map(dicttoolz.itemmap(wrap, self))
def level_to_name(self, level):
"""菜单层级转换为菜单名称"""
return itemmap(reversed, self.menu_name_maps)[level]
def test_itemmap():
assert itemmap(reversed, {1: 2, 2: 4}) == {2: 1, 4: 2}