cpython/Tools/peg_generator/scripts/ast_timings.py

27 lines
611 B
Python

import ast
import sys
import time
from pegen.testutil import print_memstats
def main() -> None:
t0 = time.time()
for filename in sys.argv[1:]:
print(filename, end="\r")
try:
with open(filename) as file:
source = file.read()
tree = ast.parse(source, filename)
except Exception as err:
print(f"{filename}: {err.__class__.__name__}: {err}", file=sys.stderr)
tok = None
t1 = time.time()
dt = t1 - t0
print(f"Parsed in {dt:.3f} secs", file=sys.stderr)
print_memstats()
if __name__ == "__main__":
main()