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from __future__ import annotations
import subprocess
import sys
def import_pint():
# on py37+ the "-X importtime" usage gives us a more precise
# measurement of the import time we actually care about,
# without the subprocess or interpreter overhead
cmd = [sys.executable, "-X", "importtime", "-c", "import pint"]
p = subprocess.run(cmd, stderr=subprocess.PIPE)
line = p.stderr.splitlines()[-1]
field = line.split(b"|")[-2].strip()
total = int(field) # microseconds
return total
def test_import(benchmark):
benchmark(import_pint)
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