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util.py
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util.py
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#!@PYTHON_EXECUTABLE@
#
# MIT License
#
# Copyright (c) 2018, The Regents of the University of California,
# through Lawrence Berkeley National Laboratory (subject to receipt of any
# required approvals from the U.S. Dept. of Energy). All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
# @file util.py
# Decorators for TiMemory module
#
from __future__ import absolute_import
import os
import sys
import inspect
from enum import Enum
from functools import wraps
__author__ = "Jonathan Madsen"
__copyright__ = "Copyright 2019, The Regents of the University of California"
__credits__ = ["Jonathan Madsen"]
__license__ = "MIT"
__version__ = "@PROJECT_VERSION@"
__maintainer__ = "Jonathan Madsen"
__email__ = "jrmadsen@lbl.gov"
__status__ = "Development"
__all__ = ['base_decorator',
'auto_timer',
'timer',
'rss_usage',
'auto_tuple']
#----------------------------------------------------------------------------------------#
class context(Enum):
blank = 0
basic = 1
full = 2
defer = 3
#----------------------------------------------------------------------------------------#
#
class base_decorator(object):
"""
A base class for the decorators and context managers
"""
#------------------------------------------------------------------------------------#
#
def __init__(self, key="", add_args=False, is_class=False, mode="defer"):
self.key = key
self.add_args = add_args
self.is_class = is_class
self.signature = context.defer
self.mode = mode
if self.mode != "defer":
try:
self.signature = getattr(context, self.mode)
except Exception as e:
pass
#------------------------------------------------------------------------------------#
#
def determine_signature(self, is_decorator=True, is_context_manager=False):
def determine_deferred(_is_decorate, _is_context):
if _is_decorate:
return context.basic
elif _is_context:
return context.blank
else:
return context.full
if self.mode != "defer":
try:
self.signature = getattr(context, self.mode)
except Exception as e:
print(e)
self.signature = determine_deferred(is_decorator, is_context_manager)
elif self.signature == context.defer:
self.signature = determine_deferred(is_decorator, is_context_manager)
#------------------------------------------------------------------------------------#
#
def parse_wrapped(self, func, args, kwargs):
if len(args) > 0 and args[0] is not None and inspect.isclass(type(args[0])):
self.is_class = True
else:
self.is_class = False
#------------------------------------------------------------------------------------#
#
def class_string(self, args, kwargs):
"""
Generate a class identifier
"""
_str = ''
if self.is_class and len(args) > 0 and args[0] is not None:
_str = '[{}]'.format(type(args[0]).__name__)
# this check guards against old bug from class methods
# calling class methods
if not _str in self.key:
return _str
else:
return ''
return _str
#------------------------------------------------------------------------------------#
#
def arg_string(self, args, kwargs):
"""
Generate a string of the arguments
"""
#_str = '{}'.format(self.class_string(args, kwargs))
_str = ""
if self.add_args:
_str = '{}('.format(_str)
for i in range(0, len(args)):
if i == 0:
_str = '{}{}'.format(_str, args[i])
else:
_str = '{}, {}'.format(_str, args[i])
for key, val in kwargs:
_str = '{}, {}={}'.format(_str, key, val)
return '{})'.format(_str)
return _str
#----------------------------------------------------------------------------------------#
#
class auto_timer(base_decorator):
""" A decorator or context-manager for the auto-timer, e.g.:
@timemory.util.auto_timer(add_args=True)
def main(n=5):
for i in range(2):
fibonacci(n * (i+1))
# ...
# output :
# > [pyc] main(5)@'example.py':10 ...
"""
#------------------------------------------------------------------------------------#
#
def __init__(self, key="", add_args=False, is_class=False, report_at_exit=False,
mode="defer"):
super(auto_timer, self).__init__(
key=key, add_args=add_args, is_class=is_class, mode=mode)
self.report_at_exit = report_at_exit
self._self_obj = None
#------------------------------------------------------------------------------------#
#
def __call__(self, func):
"""
Decorator
"""
import timemory
_file = timemory.FILE(3)
_line = timemory.LINE(2)
@wraps(func)
def function_wrapper(*args, **kwargs):
self.parse_wrapped(func, args, kwargs)
self.determine_signature(is_decorator=True, is_context_manager=False)
_func = func.__name__
_key = ''
_args = self.arg_string(args, kwargs)
if self.signature == context.blank:
_key = '{}{}'.format(self.key, _args)
elif self.signature == context.basic:
_key = '{}/{}/{}'.format(_func, self.key, _args)
elif self.signature == context.full:
_key = '{}/{}:{}/{}{}'.format(
_func, _file, _line, self.key, _args)
_key = _key.strip('/')
_dec = timemory.timer_decorator(_key, self.report_at_exit)
_ret = func(*args, **kwargs)
del _dec
return _ret
return function_wrapper
#------------------------------------------------------------------------------------#
#
def __enter__(self, *args, **kwargs):
"""
Context manager
"""
import timemory
_file = timemory.FILE(3)
_line = timemory.LINE(2)
_func = timemory.FUNC(2)
self.determine_signature(is_decorator=False, is_context_manager=True)
_key = ''
_args = self.arg_string(args, kwargs)
if self.signature == context.blank:
_key = '{}{}'.format(self.key, _args)
elif self.signature == context.basic:
_key = '{}/{}/{}'.format(_func, self.key, _args)
elif self.signature == context.full:
_key = '{}/{}:{}/{}{}'.format(
_func, _file, _line, self.key, _args)
_key = _key.strip('/')
self._self_obj = timemory.timer_decorator(_key, self.report_at_exit)
#------------------------------------------------------------------------------------#
#
def __exit__(self, exc_type, exc_value, exc_traceback):
del self._self_obj
if exc_type is not None and exc_value is not None and exc_traceback is not None:
import traceback
traceback.print_exception(
exc_type, exc_value, exc_traceback, limit=5)
#----------------------------------------------------------------------------------------#
#
class timer(base_decorator):
""" A decorator or context-manager for the timer, e.g.:
class someclass(object):
@timemory.util.timer()
def __init__(self):
self.some_obj = None
# ...
"""
#------------------------------------------------------------------------------------#
#
def __init__(self, key="", add_args=False, is_class=False, mode="defer"):
super(timer, self).__init__(key=key, add_args=add_args,
is_class=is_class, mode=mode)
self._self_obj = None
#------------------------------------------------------------------------------------#
#
def __call__(self, func):
"""
Decorator
"""
import timemory
_file = timemory.FILE(3)
_line = timemory.LINE(2)
@wraps(func)
def function_wrapper(*args, **kwargs):
self.parse_wrapped(func, args, kwargs)
self.determine_signature(is_decorator=True, is_context_manager=False)
_func = func.__name__
_key = ''
_args = self.arg_string(args, kwargs)
if self.signature == context.blank:
_key = '{}{}'.format(self.key, _args)
elif self.signature == context.basic:
_key = '{}/{}/{}'.format(_func, self.key, _args)
elif self.signature == context.full:
_key = '{}/{}:{}/{}{}'.format(
_func, _file, _line, self.key, _args)
_key = _key.strip('/')
t = timemory.timer(_key)
t.start()
ret = func(*args, **kwargs)
t.stop()
t.report()
return ret
return function_wrapper
#------------------------------------------------------------------------------------#
#
def __enter__(self, *args, **kwargs):
"""
Context manager
"""
import timemory
_file = timemory.FILE(3)
_line = timemory.LINE(2)
_func = timemory.FUNC(2)
self.determine_signature(is_decorator=False, is_context_manager=True)
_key = ''
_args = self.arg_string(args, kwargs)
if self.signature == context.blank:
_key = '{}{}'.format(self.key, _args)
elif self.signature == context.basic:
_key = '{}/{}/{}'.format(_func, self.key, _args)
elif self.signature == context.full:
_key = '{}/{}:{}/{}{}'.format(
_func, _file, _line, self.key, _args)
_key = _key.strip('/')
self._self_obj = timemory.timer(_key)
self._self_obj.start()
#------------------------------------------------------------------------------------#
#
def __exit__(self, exc_type, exc_value, exc_traceback):
self._self_obj.stop()
self._self_obj.report()
if exc_type is not None and exc_value is not None and exc_traceback is not None:
import traceback
traceback.print_exception(
exc_type, exc_value, exc_traceback, limit=5)
#----------------------------------------------------------------------------------------#
#
class rss_usage(base_decorator):
""" A decorator or context-manager for the rss usage, e.g.:
class someclass(object):
@timemory.util.rss_usage()
def __init__(self):
self.some_obj = None
# ...
"""
#------------------------------------------------------------------------------------#
#
def __init__(self, key="", add_args=False, is_class=False, mode="defer"):
super(rss_usage, self).__init__(
key=key, add_args=add_args, is_class=is_class, mode=mode)
self._self_obj = None
self._self_dif = None
#------------------------------------------------------------------------------------#
#
def __call__(self, func):
"""
Decorator
"""
import timemory
_file = timemory.FILE(3)
_line = timemory.LINE(2)
@wraps(func)
def function_wrapper(*args, **kwargs):
self.parse_wrapped(func, args, kwargs)
self.determine_signature(is_decorator=True, is_context_manager=False)
_func = func.__name__
_key = ''
_args = self.arg_string(args, kwargs)
if self.signature == context.blank:
_key = '{}{}'.format(self.key, _args)
elif self.signature == context.basic:
_key = '{}/{}/{}'.format(_func, self.key, _args)
elif self.signature == context.full:
_key = '{}/{}:{}/{}{}'.format(
_func, _file, _line, self.key, _args)
_key = _key.strip('/')
self._self_obj = timemory.rss_usage(_key)
self._self_dif = timemory.rss_usage(_key)
self._self_dif.record()
# run function
ret = func(*args, **kwargs)
# record
self._self_obj.record()
self._self_obj -= self._self_dif
print('{}'.format(self._self_obj))
return ret
return function_wrapper
#------------------------------------------------------------------------------------#
#
def __enter__(self, *args, **kwargs):
"""
Context manager entrance
"""
import timemory
_file = timemory.FILE(3)
_line = timemory.LINE(2)
_func = timemory.FUNC(2)
self.determine_signature(is_decorator=False, is_context_manager=True)
_key = ''
_args = self.arg_string(args, kwargs)
if self.signature == context.blank:
_key = '{}{}'.format(self.key, _args)
elif self.signature == context.basic:
_key = '{}/{}/{}'.format(_func, self.key, _args)
elif self.signature == context.full:
_key = '{}/{}:{}/{}{}'.format(
_func, _file, _line, self.key, _args)
_key = _key.strip('/')
self._self_obj = timemory.rss_usage(_key)
self._self_dif = timemory.rss_usage(_key)
self._self_dif.record()
#------------------------------------------------------------------------------------#
#
def __exit__(self, exc_type, exc_value, exc_traceback):
"""
Context manager exit
"""
self._self_obj.record()
self._self_obj -= self._self_dif
print('{}'.format(self._self_obj))
if exc_type is not None and exc_value is not None and exc_traceback is not None:
import traceback
traceback.print_exception(
exc_type, exc_value, exc_traceback, limit=5)
#----------------------------------------------------------------------------------------#
#
class auto_tuple(base_decorator):
""" A decorator or context-manager for the auto-tuple, e.g.:
@timemory.util.auto_tuple(components=(timemory.components.wall_clock,
timemory.components.priority_context_switch)
def main(n=5):
for i in range(2):
fibonacci(n * (i+1))
# ...
# output :
# > [pyc] main(5)@'example.py':10 ...
"""
#------------------------------------------------------------------------------------#
#
def __init__(self, components=[], key="", add_args=False, is_class=False,
report_at_exit=False, mode="defer"):
super(auto_tuple, self).__init__(
key=key, add_args=add_args, is_class=is_class, mode=mode)
self.components = components
self.report_at_exit = report_at_exit
self._self_obj = None
#------------------------------------------------------------------------------------#
#
def __call__(self, func):
"""
Decorator
"""
import timemory
_file = timemory.FILE(3)
_line = timemory.LINE(2)
@wraps(func)
def function_wrapper(*args, **kwargs):
self.parse_wrapped(func, args, kwargs)
self.determine_signature(is_decorator=True, is_context_manager=False)
_func = func.__name__
_key = ''
_args = self.arg_string(args, kwargs)
if self.signature == context.blank:
_key = '{}{}'.format(self.key, _args)
elif self.signature == context.basic:
_key = '{}/{}/{}'.format(_func, self.key, _args)
elif self.signature == context.full:
_key = '{}/{}:{}/{}{}'.format(
_func, _file, _line, self.key, _args)
_key = _key.strip('/')
t = timemory.component_decorator(self.components, _key)
ret = func(*args, **kwargs)
del t
return ret
return function_wrapper
#------------------------------------------------------------------------------------#
#
def __enter__(self, *args, **kwargs):
"""
Context manager
"""
import timemory
_file = timemory.FILE(3)
_line = timemory.LINE(2)
_func = timemory.FUNC(2)
self.determine_signature(is_decorator=False, is_context_manager=True)
_key = ''
_args = self.arg_string(args, kwargs)
if self.signature == context.blank:
_key = '{}{}'.format(self.key, _args)
elif self.signature == context.basic:
_key = '{}/{}/{}'.format(_func, self.key, _args)
elif self.signature == context.full:
_key = '{}/{}:{}/{}{}'.format(
_func, _file, _line, self.key, _args)
_key = _key.strip('/')
self._self_obj = timemory.component_decorator(self.components, _key)
#------------------------------------------------------------------------------------#
#
def __exit__(self, exc_type, exc_value, exc_traceback):
del self._self_obj
if exc_type is not None and exc_value is not None and exc_traceback is not None:
import traceback
traceback.print_exception(
exc_type, exc_value, exc_traceback, limit=5)