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Wrap all StdHook methods #6

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31 changes: 22 additions & 9 deletions deepkit/__init__.py
Original file line number Diff line number Diff line change
Expand Up @@ -59,19 +59,32 @@ class StdHook:
def __init__(self, s):
self.s = s

def fileno(self):
return self.s.fileno()

def isatty(self):
return self.s.isatty()

def flush(self):
self.s.flush()

def write(self, s):
self.s.write(s)
log(s)

def __getattr__(self, name):
"""Forward the __getattr__ call to the wrapped object.

From https://docs.python.org/3/reference/datamodel.html#object.__getattr__:
> Note that if the attribute is found through the normal mechanism,
> __getattr__() is not called.

Therefore, `self.s` does not run into a recursion error.
"""
return getattr(self.s, name)

def __setattr__(self, name, value):
"""Set an attribute on the wrapped object.

Taken from: https://stackoverflow.com/a/17020163/15235649

Note: `super(StdHook, self).__setattr__` returns the method from
`object.__setattr__.
"""
if name == "s":
return super(StdHook, self).__setattr__(name, value)
return setattr(self.s, name, value)

sys.stdout = StdHook(sys.__stdout__)
sys.stderr = StdHook(sys.__stderr__)
Expand Down