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#!/usr/bin/env python
#
# Copyright (c), 2018-2020, 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>
#
# flake8: noqa
def profile_memory(func):
def wrapper(*a, **kw):
mem = this_process.memory_info().rss
result = func(*a, **kw)
mem = this_process.memory_info().rss - mem
print("Memory usage by %s(): %.2f MB (%d)" % (func.__name__, mem / 1024 ** 2, mem))
return result
return wrapper
# noinspection PyUnresolvedReferences
@profile_memory
def elementpath_deps_memory_usage():
# Memory relevant standard library imports
import pathlib
import decimal
import calendar
import xml.etree.ElementTree
import unicodedata
@profile_memory
def elementpath_memory_usage():
# elementpath imports
#
# Note: comments out all subpackages imports in elementpath/__init__.py
# to put in evidence the memory consumption of each subpackage.
#
import elementpath
@profile_memory
def elementpath_subpackages_memory_usage():
import elementpath.regex
import elementpath.datatypes
import elementpath.xpath_nodes
import elementpath.xpath_context
import elementpath.xpath_tokens
import elementpath.xpath1
import elementpath.xpath2
@profile_memory
def elementpath_optional_memory_usage():
# Optional elementpath imports
import elementpath.xpath30
import elementpath.xpath31
if __name__ == '__main__':
import os
import psutil
this_process = psutil.Process(os.getpid())
elementpath_deps_memory_usage()
elementpath_memory_usage()
elementpath_subpackages_memory_usage()
elementpath_optional_memory_usage()
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