提交 b9935859 编写于 作者: Y Yu Yang 提交者: GitHub

Merge pull request #711 from Haichao-Zhang/input_types_check

adding input type check for python data provider
......@@ -202,6 +202,24 @@ class CheckWrapper(object):
for each in item:
callback(each)
class CheckInputTypeWrapper(object):
def __init__(self, generator, input_types, logger):
self.generator = generator
self.input_types = input_types
self.logger = logger
def __call__(self, obj, filename):
for items in self.generator(obj, filename):
try:
# dict type is required for input_types when item is dict type
assert (isinstance(items, dict) and \
not isinstance(self.input_types, dict))==False
yield items
except AssertionError as e:
self.logger.error(
"%s type is required for input type but got %s" %
(repr(type(items)), repr(type(self.input_types))))
raise
def provider(input_types=None,
should_shuffle=None,
......@@ -355,6 +373,9 @@ def provider(input_types=None,
if use_dynamic_order:
self.generator = InputOrderWrapper(self.generator,
self.input_order)
else:
self.generator = CheckInputTypeWrapper(self.generator, self.slots,
self.logger)
if self.check:
self.generator = CheckWrapper(self.generator, self.slots,
check_fail_continue,
......
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