New submission from Danylo Hlynskyi <[email protected]>:
First, here's an example using str():
```
class NiceObject:
def __str__(self):
return str(self.__dict__)
def __repr__(self):
return str(self)
s = NiceObject()
s.self = s
```
This outputs:
```
>>> s
{'self': {...}}
```
When I replace str() call with pprint.saferepr(), I end up in infinite
recursion.
```
import pprint
class ReallyNiceObject:
def __str__(self):
return pprint.saferepr(self.__dict__)
def __repr__(self):
return str(self)
```
Same happens for pprint.pformat(), with depth set.
Is this expected behavior?
----------
components: Library (Lib)
messages: 380315
nosy: danbst
priority: normal
severity: normal
status: open
title: pprint: infinite recursion for saferepr() when using nested objects, but
str() works
type: behavior
versions: Python 3.8
_______________________________________
Python tracker <[email protected]>
<https://bugs.python.org/issue42259>
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