def xpartially_applied(*func_args, **func_kwargs):
if any_x:
if not func_args:
raise ValueError('Function "%s" partially applied with an '
'X placeholder but called with no positional arguments.'
% get_name(func))
first = func_args[0]
rest = func_args[1:]
args = tuple(use(x, first) for x in xargs) + rest
kwargs = dict((k, use(x, first)) for k, x in dict_items(xkwargs))
kwargs.update(func_kwargs)
else:
args = xargs + func_args
kwargs = dict(xkwargs, **func_kwargs)
return func(*args, **kwargs)
def xpartially_applied(*func_args, **func_kwargs):
if any_x:
if not func_args:
raise ValueError('Function "%s" partially applied with an '
'X placeholder but called with no positional arguments.'
% get_name(func))
first = func_args[0]
rest = func_args[1:]
args = tuple(use(x, first) for x in xargs) + rest
kwargs = dict((k, use(x, first)) for k, x in dict_items(xkwargs))
kwargs.update(func_kwargs)
else:
args = xargs + func_args
kwargs = dict(xkwargs, **func_kwargs)
return func(*args, **kwargs)
def pipe_util_wrapper(function, *args, **kwargs):
if isinstance(function, XObject):
function = ~function
original_function = function
if args or kwargs:
function = xpartial(function, *args, **kwargs)
name = lambda: '%s(%s)' % (get_name(func), ', '.join(
filter(None, (get_name(original_function), repr_args(*args, **kwargs)))))
f = func(function)
result = pipe | set_name(name, f)
# if the util defines an 'attrs' mapping, copy it as attributes
# to the result
attrs = getattr(f, 'attrs', {})
for k, v in dict_items(attrs):
setattr(result, k, v)
return result
def _group_by(seq):
result = {}
for item in seq:
result.setdefault(function(item), []).append(item)
return dict_items(result)
def repr_args(*args, **kwargs):
return ', '.join(chain(
map('{0!r}'.format, args),
map('{0[0]}={0[1]!r}'.format, dict_items(kwargs))))
def repr_args(*args, **kwargs):
return ', '.join(
chain(map('{0!r}'.format, args),
map('{0[0]}={0[1]!r}'.format, dict_items(kwargs))))
def _group_by(seq):
result = {}
for item in seq:
result.setdefault(function(item), []).append(item)
return dict_items(result)
def select_builder(definition):
for cls, builder in dict_items(builders):
if isinstance(definition, cls):
return builder
def DictBuilder(definition):
return lambda x: dict((ds_item(key_def, x), ds_item(val_def, x))
for key_def, val_def in dict_items(definition))
def select_builder(definition):
for cls, builder in dict_items(builders):
if isinstance(definition, cls):
return builder
def DictBuilder(definition):
return lambda x: dict(
(ds_item(key_def, x), ds_item(val_def, x))
for key_def, val_def in dict_items(definition))
