Comments (2)
pwwang
commented on May 22, 2024
That's something like super(), short for super(SomeClass, self).
This video has a rough implementation for it: https://www.youtube.com/watch?v=X1PQ7zzltz4
The idea is similar to the "vanilla solution" you mentioned, which uses current_frame.f_back.f_locals to trace the local variables from the previous frame.
The core functions from varname handle the variable names that are explicitly given. The implementation behind the scenes is similar to the "vanilla solution". However, the variable/arguments are hidden in your case, which is out of the scope of this package.
The function you wanted can be implemented with a very simple wrapper around that "vanilla solution":
import sys
def get_prev_local(name):
# frame 1: inside fun2
# frame 2: inside fun1
return sys._getframe(2).f_locals[name]
def fun1():
self = 1
fun2()
def fun2():
self = get_prev_local("self")
print(self)
fun1() # prints 1 from python-varname.
pwwang
commented on May 22, 2024
Close it for now. Feel free to reopen.
from python-varname.
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from python-varname.