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#!/usr/bin/env python
#
# Copyright (c), 2021, SISSA (International School for Advanced Studies).
# All rights reserved.
# This file is distributed under the terms of the MIT License.
# See the file 'LICENSE' in the root directory of the present
# distribution, or http://opensource.org/licenses/MIT.
#
# @author Davide Brunato <brunato@sissa.it>
#
from timeit import timeit
from memory_profiler import profile
from elementpath.regex import CharacterClass
def run_timeit(stmt='pass', setup='pass', number=1000):
seconds = timeit(stmt, setup=setup, number=number)
print("{}: {}s".format(stmt, seconds))
@profile
def character_class_objects():
return [CharacterClass(r'\c') for _ in range(10000)]
if __name__ == '__main__':
print('*' * 62)
print("*** Memory and timing profile of CharacterClass class ***")
print("***" + ' ' * 56 + "***")
print("*** Note: save ~15% of memory with __slots__ (from v2.2.3) ***")
print('*' * 62)
print()
character_class_objects()
character_class = CharacterClass(r'\c')
character_class -= CharacterClass(r'\i')
SETUP = 'from __main__ import character_class'
NUMBER = 10000
run_timeit('"9" in character_class # True ', SETUP, NUMBER)
run_timeit('"q" in character_class # False', SETUP, NUMBER)
run_timeit('8256 in character_class # True ', SETUP, NUMBER)
run_timeit('8257 in character_class # False', SETUP, NUMBER)
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