MultiSosnooley <[email protected]> added the comment:
Oh, I got it. Size is too high growing to reach recurtion limit. I replace repr
with slow growing data and now there is good old recursion limit exception.
import json
class F:
counter = 0
total = 0
data = b""
def __call__(self, o):
self.counter += 1
self.data = b"1" + self.data
self.total += len(self.data)
print(self.counter, len(self.data), self.total)
return self.data
json.dumps(object(), default=F())
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<https://bugs.python.org/issue35901>
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