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294e8b93c0
* make merge * Update distributing/index.po * Update extending/extending.po * Apply suggestions from code review * powrap
323 lines
11 KiB
Plaintext
323 lines
11 KiB
Plaintext
# Copyright (C) 2001-2018, Python Software Foundation
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# For licence information, see README file.
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#
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msgid ""
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msgstr ""
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"Project-Id-Version: Python 3.6\n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2019-05-23 16:48+0200\n"
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"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language-Team: FRENCH <traductions@lists.afpy.org>\n"
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"Language: fr\n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=UTF-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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#: ../Doc/library/timeit.rst:2
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msgid ":mod:`timeit` --- Measure execution time of small code snippets"
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msgstr ""
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#: ../Doc/library/timeit.rst:7
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msgid "**Source code:** :source:`Lib/timeit.py`"
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msgstr "**Code source :** :source:`Lib/timeit.py`"
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#: ../Doc/library/timeit.rst:15
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msgid ""
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"This module provides a simple way to time small bits of Python code. It has "
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"both a :ref:`timeit-command-line-interface` as well as a :ref:`callable "
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"<python-interface>` one. It avoids a number of common traps for measuring "
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"execution times. See also Tim Peters' introduction to the \"Algorithms\" "
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"chapter in the *Python Cookbook*, published by O'Reilly."
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msgstr ""
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#: ../Doc/library/timeit.rst:23
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msgid "Basic Examples"
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msgstr ""
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#: ../Doc/library/timeit.rst:25
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msgid ""
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"The following example shows how the :ref:`timeit-command-line-interface` can "
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"be used to compare three different expressions:"
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msgstr ""
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#: ../Doc/library/timeit.rst:37
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msgid "This can be achieved from the :ref:`python-interface` with::"
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msgstr ""
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#: ../Doc/library/timeit.rst:47
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msgid "A callable can also be passed from the :ref:`python-interface`::"
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msgstr ""
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#: ../Doc/library/timeit.rst:52
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msgid ""
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"Note however that :func:`.timeit` will automatically determine the number of "
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"repetitions only when the command-line interface is used. In the :ref:"
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"`timeit-examples` section you can find more advanced examples."
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msgstr ""
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#: ../Doc/library/timeit.rst:60
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msgid "Python Interface"
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msgstr ""
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#: ../Doc/library/timeit.rst:62
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msgid "The module defines three convenience functions and a public class:"
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msgstr ""
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#: ../Doc/library/timeit.rst:67
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msgid ""
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"Create a :class:`Timer` instance with the given statement, *setup* code and "
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"*timer* function and run its :meth:`.timeit` method with *number* "
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"executions. The optional *globals* argument specifies a namespace in which "
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"to execute the code."
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msgstr ""
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#: ../Doc/library/timeit.rst:72 ../Doc/library/timeit.rst:83
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#: ../Doc/library/timeit.rst:120
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msgid "The optional *globals* parameter was added."
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msgstr ""
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#: ../Doc/library/timeit.rst:78
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msgid ""
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"Create a :class:`Timer` instance with the given statement, *setup* code and "
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"*timer* function and run its :meth:`.repeat` method with the given *repeat* "
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"count and *number* executions. The optional *globals* argument specifies a "
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"namespace in which to execute the code."
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msgstr ""
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#: ../Doc/library/timeit.rst:86 ../Doc/library/timeit.rst:181
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msgid "Default value of *repeat* changed from 3 to 5."
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msgstr ""
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#: ../Doc/library/timeit.rst:91
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msgid "The default timer, which is always :func:`time.perf_counter`."
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msgstr ""
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#: ../Doc/library/timeit.rst:93
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msgid ":func:`time.perf_counter` is now the default timer."
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msgstr ""
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#: ../Doc/library/timeit.rst:99
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msgid "Class for timing execution speed of small code snippets."
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msgstr ""
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#: ../Doc/library/timeit.rst:101
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msgid ""
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"The constructor takes a statement to be timed, an additional statement used "
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"for setup, and a timer function. Both statements default to ``'pass'``; the "
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"timer function is platform-dependent (see the module doc string). *stmt* and "
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"*setup* may also contain multiple statements separated by ``;`` or newlines, "
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"as long as they don't contain multi-line string literals. The statement "
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"will by default be executed within timeit's namespace; this behavior can be "
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"controlled by passing a namespace to *globals*."
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msgstr ""
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#: ../Doc/library/timeit.rst:109
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msgid ""
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"To measure the execution time of the first statement, use the :meth:`."
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"timeit` method. The :meth:`.repeat` and :meth:`.autorange` methods are "
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"convenience methods to call :meth:`.timeit` multiple times."
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msgstr ""
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#: ../Doc/library/timeit.rst:113
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msgid ""
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"The execution time of *setup* is excluded from the overall timed execution "
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"run."
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msgstr ""
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#: ../Doc/library/timeit.rst:115
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msgid ""
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"The *stmt* and *setup* parameters can also take objects that are callable "
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"without arguments. This will embed calls to them in a timer function that "
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"will then be executed by :meth:`.timeit`. Note that the timing overhead is "
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"a little larger in this case because of the extra function calls."
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msgstr ""
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#: ../Doc/library/timeit.rst:125
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msgid ""
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"Time *number* executions of the main statement. This executes the setup "
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"statement once, and then returns the time it takes to execute the main "
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"statement a number of times, measured in seconds as a float. The argument is "
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"the number of times through the loop, defaulting to one million. The main "
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"statement, the setup statement and the timer function to be used are passed "
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"to the constructor."
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msgstr ""
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#: ../Doc/library/timeit.rst:134
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msgid ""
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"By default, :meth:`.timeit` temporarily turns off :term:`garbage collection` "
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"during the timing. The advantage of this approach is that it makes "
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"independent timings more comparable. The disadvantage is that GC may be an "
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"important component of the performance of the function being measured. If "
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"so, GC can be re-enabled as the first statement in the *setup* string. For "
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"example::"
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msgstr ""
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#: ../Doc/library/timeit.rst:146
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msgid "Automatically determine how many times to call :meth:`.timeit`."
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msgstr ""
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#: ../Doc/library/timeit.rst:148
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msgid ""
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"This is a convenience function that calls :meth:`.timeit` repeatedly so that "
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"the total time >= 0.2 second, returning the eventual (number of loops, time "
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"taken for that number of loops). It calls :meth:`.timeit` with increasing "
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"numbers from the sequence 1, 2, 5, 10, 20, 50, ... until the time taken is "
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"at least 0.2 second."
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msgstr ""
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#: ../Doc/library/timeit.rst:154
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msgid ""
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"If *callback* is given and is not ``None``, it will be called after each "
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"trial with two arguments: ``callback(number, time_taken)``."
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msgstr ""
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#: ../Doc/library/timeit.rst:162
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msgid "Call :meth:`.timeit` a few times."
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msgstr ""
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#: ../Doc/library/timeit.rst:164
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msgid ""
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"This is a convenience function that calls the :meth:`.timeit` repeatedly, "
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"returning a list of results. The first argument specifies how many times to "
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"call :meth:`.timeit`. The second argument specifies the *number* argument "
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"for :meth:`.timeit`."
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msgstr ""
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#: ../Doc/library/timeit.rst:171
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msgid ""
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"It's tempting to calculate mean and standard deviation from the result "
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"vector and report these. However, this is not very useful. In a typical "
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"case, the lowest value gives a lower bound for how fast your machine can run "
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"the given code snippet; higher values in the result vector are typically not "
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"caused by variability in Python's speed, but by other processes interfering "
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"with your timing accuracy. So the :func:`min` of the result is probably the "
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"only number you should be interested in. After that, you should look at the "
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"entire vector and apply common sense rather than statistics."
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msgstr ""
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#: ../Doc/library/timeit.rst:187
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msgid "Helper to print a traceback from the timed code."
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msgstr ""
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#: ../Doc/library/timeit.rst:189
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msgid "Typical use::"
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msgstr ""
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#: ../Doc/library/timeit.rst:197
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msgid ""
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"The advantage over the standard traceback is that source lines in the "
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"compiled template will be displayed. The optional *file* argument directs "
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"where the traceback is sent; it defaults to :data:`sys.stderr`."
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msgstr ""
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#: ../Doc/library/timeit.rst:205
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msgid "Command-Line Interface"
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msgstr "Interface en ligne de commande"
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#: ../Doc/library/timeit.rst:207
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msgid ""
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"When called as a program from the command line, the following form is used::"
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msgstr ""
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#: ../Doc/library/timeit.rst:211
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msgid "Where the following options are understood:"
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msgstr ""
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#: ../Doc/library/timeit.rst:217
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msgid "how many times to execute 'statement'"
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msgstr ""
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#: ../Doc/library/timeit.rst:221
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msgid "how many times to repeat the timer (default 5)"
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msgstr ""
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#: ../Doc/library/timeit.rst:225
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msgid "statement to be executed once initially (default ``pass``)"
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msgstr ""
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#: ../Doc/library/timeit.rst:229
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msgid ""
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"measure process time, not wallclock time, using :func:`time.process_time` "
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"instead of :func:`time.perf_counter`, which is the default"
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msgstr ""
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#: ../Doc/library/timeit.rst:236
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msgid ""
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"specify a time unit for timer output; can select nsec, usec, msec, or sec"
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msgstr ""
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#: ../Doc/library/timeit.rst:242
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msgid "print raw timing results; repeat for more digits precision"
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msgstr ""
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#: ../Doc/library/timeit.rst:246
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msgid "print a short usage message and exit"
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msgstr ""
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#: ../Doc/library/timeit.rst:248
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msgid ""
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"A multi-line statement may be given by specifying each line as a separate "
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"statement argument; indented lines are possible by enclosing an argument in "
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"quotes and using leading spaces. Multiple :option:`-s` options are treated "
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"similarly."
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msgstr ""
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#: ../Doc/library/timeit.rst:253
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msgid ""
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"If :option:`-n` is not given, a suitable number of loops is calculated by "
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"trying successive powers of 10 until the total time is at least 0.2 seconds."
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msgstr ""
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#: ../Doc/library/timeit.rst:256
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msgid ""
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":func:`default_timer` measurements can be affected by other programs running "
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"on the same machine, so the best thing to do when accurate timing is "
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"necessary is to repeat the timing a few times and use the best time. The :"
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"option:`-r` option is good for this; the default of 5 repetitions is "
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"probably enough in most cases. You can use :func:`time.process_time` to "
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"measure CPU time."
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msgstr ""
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#: ../Doc/library/timeit.rst:264
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msgid ""
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"There is a certain baseline overhead associated with executing a pass "
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"statement. The code here doesn't try to hide it, but you should be aware of "
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"it. The baseline overhead can be measured by invoking the program without "
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"arguments, and it might differ between Python versions."
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msgstr ""
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#: ../Doc/library/timeit.rst:273
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msgid "Examples"
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msgstr "Exemples"
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#: ../Doc/library/timeit.rst:275
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msgid ""
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"It is possible to provide a setup statement that is executed only once at "
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"the beginning:"
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msgstr ""
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#: ../Doc/library/timeit.rst:292
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msgid "The same can be done using the :class:`Timer` class and its methods::"
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msgstr ""
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#: ../Doc/library/timeit.rst:302
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msgid ""
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"The following examples show how to time expressions that contain multiple "
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"lines. Here we compare the cost of using :func:`hasattr` vs. :keyword:`try`/:"
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"keyword:`except` to test for missing and present object attributes:"
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msgstr ""
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#: ../Doc/library/timeit.rst:348
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msgid ""
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"To give the :mod:`timeit` module access to functions you define, you can "
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"pass a *setup* parameter which contains an import statement::"
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msgstr ""
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#: ../Doc/library/timeit.rst:359
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msgid ""
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"Another option is to pass :func:`globals` to the *globals* parameter, which "
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"will cause the code to be executed within your current global namespace. "
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"This can be more convenient than individually specifying imports::"
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msgstr ""
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