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Update readme and add inspect locals example
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# This has not been implemented in the library yet, for testing purposes only | ||
# | ||
# It will either be implemented as a decorator composable with @test | ||
# For example - | ||
# @test(...) | ||
# @inspect_locals | ||
# def foo(...): | ||
# ... | ||
# | ||
# or as a part of @test | ||
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import sys | ||
import types | ||
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# https://stackoverflow.com/a/52358426 | ||
def call_function_get_frame(func, *args, **kwargs): | ||
frame: types.FrameType | None = None | ||
trace = sys.gettrace() | ||
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def snatch_locals(_frame, name, arg): | ||
nonlocal frame | ||
if frame is None and name == "call": | ||
frame = _frame | ||
sys.settrace(trace) | ||
return trace | ||
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sys.settrace(snatch_locals) | ||
try: | ||
result = func(*args, **kwargs) | ||
finally: | ||
sys.settrace(trace) | ||
return frame, result | ||
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def inspect_locals(func): | ||
frame, result = call_function_get_frame(func) | ||
print(f"Local variables: {frame.f_locals}") | ||
print(f"Result: {result}") | ||
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return func | ||
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@inspect_locals | ||
def hello(): | ||
a = 5 | ||
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for _ in range(5): | ||
a += 1 | ||
print("Hello, World!") | ||
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return 5 |