cokelaer / easydev / 23640304403

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100.0
/easydev/profiler.py
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# -*- python -*-
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# -*- coding: utf-8 -*-
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#
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#  This file is part of the easydev software
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#
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#  Copyright (c) 2011-2024
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#
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#  File author(s): Thomas Cokelaer <cokelaer@gmail.com>
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#
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#  Distributed under the BSD3 License.
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#
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#  Website: https://github.com/cokelaer/easydev
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#  Documentation: http://easydev-python.readthedocs.io
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#
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##############################################################################
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"""
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Usage::
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    from easydev import do_profile
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    @do_profile()
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    def test():
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        x = 1
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        x *= x
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        return x
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# source: https://zapier.com/engineering/profiling-python-boss/
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Requires line_profiler to be installed. line_profiler has C code and we wish
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easydev to be as simple as possible. So, we do not want compiled code dependencies.
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Consequently, we added line_profiler in the extra_requires instead of requires
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in the setup.py One must install line_profiler itself.
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"""
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__all__ = ["do_profile"]




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try:




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    from line_profiler import LineProfiler




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    def do_profile(follow=[]):




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        def inner(func):




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            def profiled_func(*args, **kwargs):




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                try:




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                    profiler = LineProfiler()




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                    profiler.add_function(func)




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                    for f in follow:




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                        profiler.add_function(f)




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                    profiler.enable_by_count()




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                    return func(*args, **kwargs)




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                finally:










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                    profiler.print_stats()




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            return profiled_func




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        return inner




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except ImportError:  # pragma: no cover










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    def do_profile(follow=[]):










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        "Helpful if you accidentally leave in production!"










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        print("easydev warning:: line_profiler does not seem to be installed. " + "Type 'pip install line_profiler'")










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        def inner(func):










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            def nothing(*args, **kwargs):










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                return func(*args, **kwargs)










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            return nothing










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        return inner
























    

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