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class Parent:
def meth(self):
print("METH")
class Child(Parent):
pass
def trace(frame, event, args):
# Thanks to Aleksi Torhamo for code and idea.
co = frame.f_code
fname = co.co_name
if not co.co_varnames:
return
locs = frame.f_locals
first_arg = co.co_varnames[0]
if co.co_argcount:
self = locs[first_arg]
elif co.co_flags & 0x04: # *args syntax
self = locs[first_arg][0]
else:
return
func = getattr(self, fname).__func__
if hasattr(func, '__qualname__'):
qname = func.__qualname__
else:
for cls in self.__class__.__mro__:
f = cls.__dict__.get(fname, None)
if f is None:
continue
if f is func:
qname = cls.__name__ + "." + fname
break
print(f"{event}: {self}.{fname} {qname}")
return trace
import sys
sys.settrace(trace)
Child().meth()
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