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catch the generatorfunction and intercept it. #35369

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Merged
merged 5 commits into from
Oct 19, 2021
Merged

catch the generatorfunction and intercept it. #35369

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0561f08
catch the generatorfunction and intercept it.
2742195759 Sep 1, 2021
7d9686c
add test generator
2742195759 Sep 17, 2021
8b67a2a
Merge remote-tracking branch 'upstream/develop' into convert_call
2742195759 Oct 15, 2021
077c792
add test case
2742195759 Oct 15, 2021
8861971
refine the testcase
2742195759 Oct 18, 2021
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11 changes: 11 additions & 0 deletions python/paddle/fluid/dygraph/dygraph_to_static/convert_call_func.py
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,17 @@ def dyfunc(x):
if is_builtin(func) or is_unsupported(func):
return func

if inspect.isgeneratorfunction(func):
# NOTE(xiongkun03): inspect.isfunction() will return True even though func is a generator function.
# If we don't deal generatorfunction here, we will regard it as normal function and get errors in some
# occasion.
number_of_stars = 30
translator_logger.warn(
"\n\n" + "*" * number_of_stars +
"\nYour function:`{}` doesn't support to transform to static function because it is a generator function, it will be run as-is."
.format(func.__name__) + "\n" + "*" * number_of_stars + "\n\n")
return func

if inspect.isfunction(func):
# TODO(liym27): If func is a lambda function, special conversion is needed.
if func.__name__ == '<lambda>':
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