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import inspect | |
""" var_dump('vars') module to dump variables (python 3.6+: uses f strings)""" | |
def var_dump(var_list_str): | |
""" print variables in callers scope indicated in space delimited string param""" | |
# retrieve information needed on callers frame | |
prev_frame = inspect.currentframe().f_back | |
frame_info = inspect.getframeinfo(prev_frame) | |
module_name = inspect.getmodulename(frame_info.filename) | |
output = f"{module_name} line: {frame_info.lineno} in {frame_info.function}()\n " | |
names = prev_frame.f_locals # local namespace from caller as dict | |
var_list = var_list_str.split() | |
output += ', '.join([f'{n}: {repr(names[n])}' for n in var_list]) | |
print(output) | |
def main(): # test it | |
count = 101 | |
greeting = 'hello' | |
amount = 11.11 | |
a_list = [1, 2, 3] | |
var_dump('greeting a_list a_list') | |
var_dump('amount count') | |
if __name__ == '__main__': | |
main() | |
# references: | |
# ref https://docs.python.org/3/library/inspect.html |
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