diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/howto/argparse.rst | 108 | ||||
| -rw-r--r-- | Doc/howto/clinic.rst | 2 | ||||
| -rw-r--r-- | Doc/howto/unicode.rst | 2 | ||||
| -rw-r--r-- | Doc/library/__main__.rst | 16 | ||||
| -rw-r--r-- | Doc/library/devmode.rst | 12 | ||||
| -rw-r--r-- | Doc/library/faulthandler.rst | 4 | ||||
| -rw-r--r-- | Doc/library/site.rst | 4 | ||||
| -rw-r--r-- | Doc/library/timeit.rst | 6 |
8 files changed, 77 insertions, 77 deletions
diff --git a/Doc/howto/argparse.rst b/Doc/howto/argparse.rst index f4d08e7..f682587 100644 --- a/Doc/howto/argparse.rst +++ b/Doc/howto/argparse.rst @@ -79,16 +79,16 @@ Following is a result of running the code: .. code-block:: shell-session - $ python3 prog.py - $ python3 prog.py --help + $ python prog.py + $ python prog.py --help usage: prog.py [-h] options: -h, --help show this help message and exit - $ python3 prog.py --verbose + $ python prog.py --verbose usage: prog.py [-h] prog.py: error: unrecognized arguments: --verbose - $ python3 prog.py foo + $ python prog.py foo usage: prog.py [-h] prog.py: error: unrecognized arguments: foo @@ -121,10 +121,10 @@ And running the code: .. code-block:: shell-session - $ python3 prog.py + $ python prog.py usage: prog.py [-h] echo prog.py: error: the following arguments are required: echo - $ python3 prog.py --help + $ python prog.py --help usage: prog.py [-h] echo positional arguments: @@ -132,7 +132,7 @@ And running the code: options: -h, --help show this help message and exit - $ python3 prog.py foo + $ python prog.py foo foo Here is what's happening: @@ -166,7 +166,7 @@ And we get: .. code-block:: shell-session - $ python3 prog.py -h + $ python prog.py -h usage: prog.py [-h] echo positional arguments: @@ -187,7 +187,7 @@ Following is a result of running the code: .. code-block:: shell-session - $ python3 prog.py 4 + $ python prog.py 4 Traceback (most recent call last): File "prog.py", line 5, in <module> print(args.square**2) @@ -208,9 +208,9 @@ Following is a result of running the code: .. code-block:: shell-session - $ python3 prog.py 4 + $ python prog.py 4 16 - $ python3 prog.py four + $ python prog.py four usage: prog.py [-h] square prog.py: error: argument square: invalid int value: 'four' @@ -235,17 +235,17 @@ And the output: .. code-block:: shell-session - $ python3 prog.py --verbosity 1 + $ python prog.py --verbosity 1 verbosity turned on - $ python3 prog.py - $ python3 prog.py --help + $ python prog.py + $ python prog.py --help usage: prog.py [-h] [--verbosity VERBOSITY] options: -h, --help show this help message and exit --verbosity VERBOSITY increase output verbosity - $ python3 prog.py --verbosity + $ python prog.py --verbosity usage: prog.py [-h] [--verbosity VERBOSITY] prog.py: error: argument --verbosity: expected one argument @@ -281,12 +281,12 @@ And the output: .. code-block:: shell-session - $ python3 prog.py --verbose + $ python prog.py --verbose verbosity turned on - $ python3 prog.py --verbose 1 + $ python prog.py --verbose 1 usage: prog.py [-h] [--verbose] prog.py: error: unrecognized arguments: 1 - $ python3 prog.py --help + $ python prog.py --help usage: prog.py [-h] [--verbose] options: @@ -327,9 +327,9 @@ And here goes: .. code-block:: shell-session - $ python3 prog.py -v + $ python prog.py -v verbosity turned on - $ python3 prog.py --help + $ python prog.py --help usage: prog.py [-h] [-v] options: @@ -361,14 +361,14 @@ And now the output: .. code-block:: shell-session - $ python3 prog.py + $ python prog.py usage: prog.py [-h] [-v] square prog.py: error: the following arguments are required: square - $ python3 prog.py 4 + $ python prog.py 4 16 - $ python3 prog.py 4 --verbose + $ python prog.py 4 --verbose the square of 4 equals 16 - $ python3 prog.py --verbose 4 + $ python prog.py --verbose 4 the square of 4 equals 16 * We've brought back a positional argument, hence the complaint. @@ -397,16 +397,16 @@ And the output: .. code-block:: shell-session - $ python3 prog.py 4 + $ python prog.py 4 16 - $ python3 prog.py 4 -v + $ python prog.py 4 -v usage: prog.py [-h] [-v VERBOSITY] square prog.py: error: argument -v/--verbosity: expected one argument - $ python3 prog.py 4 -v 1 + $ python prog.py 4 -v 1 4^2 == 16 - $ python3 prog.py 4 -v 2 + $ python prog.py 4 -v 2 the square of 4 equals 16 - $ python3 prog.py 4 -v 3 + $ python prog.py 4 -v 3 16 These all look good except the last one, which exposes a bug in our program. @@ -431,10 +431,10 @@ And the output: .. code-block:: shell-session - $ python3 prog.py 4 -v 3 + $ python prog.py 4 -v 3 usage: prog.py [-h] [-v {0,1,2}] square prog.py: error: argument -v/--verbosity: invalid choice: 3 (choose from 0, 1, 2) - $ python3 prog.py 4 -h + $ python prog.py 4 -h usage: prog.py [-h] [-v {0,1,2}] square positional arguments: @@ -473,18 +473,18 @@ to count the number of occurrences of specific options. .. code-block:: shell-session - $ python3 prog.py 4 + $ python prog.py 4 16 - $ python3 prog.py 4 -v + $ python prog.py 4 -v 4^2 == 16 - $ python3 prog.py 4 -vv + $ python prog.py 4 -vv the square of 4 equals 16 - $ python3 prog.py 4 --verbosity --verbosity + $ python prog.py 4 --verbosity --verbosity the square of 4 equals 16 - $ python3 prog.py 4 -v 1 + $ python prog.py 4 -v 1 usage: prog.py [-h] [-v] square prog.py: error: unrecognized arguments: 1 - $ python3 prog.py 4 -h + $ python prog.py 4 -h usage: prog.py [-h] [-v] square positional arguments: @@ -493,7 +493,7 @@ to count the number of occurrences of specific options. options: -h, --help show this help message and exit -v, --verbosity increase output verbosity - $ python3 prog.py 4 -vvv + $ python prog.py 4 -vvv 16 * Yes, it's now more of a flag (similar to ``action="store_true"``) in the @@ -540,11 +540,11 @@ And this is what it gives: .. code-block:: shell-session - $ python3 prog.py 4 -vvv + $ python prog.py 4 -vvv the square of 4 equals 16 - $ python3 prog.py 4 -vvvv + $ python prog.py 4 -vvvv the square of 4 equals 16 - $ python3 prog.py 4 + $ python prog.py 4 Traceback (most recent call last): File "prog.py", line 11, in <module> if args.verbosity >= 2: @@ -584,7 +584,7 @@ And: .. code-block:: shell-session - $ python3 prog.py 4 + $ python prog.py 4 16 You can go quite far just with what we've learned so far, @@ -617,10 +617,10 @@ Output: .. code-block:: shell-session - $ python3 prog.py + $ python prog.py usage: prog.py [-h] [-v] x y prog.py: error: the following arguments are required: x, y - $ python3 prog.py -h + $ python prog.py -h usage: prog.py [-h] [-v] x y positional arguments: @@ -630,7 +630,7 @@ Output: options: -h, --help show this help message and exit -v, --verbosity - $ python3 prog.py 4 2 -v + $ python prog.py 4 2 -v 4^2 == 16 @@ -655,11 +655,11 @@ Output: .. code-block:: shell-session - $ python3 prog.py 4 2 + $ python prog.py 4 2 16 - $ python3 prog.py 4 2 -v + $ python prog.py 4 2 -v 4^2 == 16 - $ python3 prog.py 4 2 -vv + $ python prog.py 4 2 -vv Running 'prog.py' 4^2 == 16 @@ -727,16 +727,16 @@ demonstration. Anyways, here's the output: .. code-block:: shell-session - $ python3 prog.py 4 2 + $ python prog.py 4 2 4^2 == 16 - $ python3 prog.py 4 2 -q + $ python prog.py 4 2 -q 16 - $ python3 prog.py 4 2 -v + $ python prog.py 4 2 -v 4 to the power 2 equals 16 - $ python3 prog.py 4 2 -vq + $ python prog.py 4 2 -vq usage: prog.py [-h] [-v | -q] x y prog.py: error: argument -q/--quiet: not allowed with argument -v/--verbose - $ python3 prog.py 4 2 -v --quiet + $ python prog.py 4 2 -v --quiet usage: prog.py [-h] [-v | -q] x y prog.py: error: argument -q/--quiet: not allowed with argument -v/--verbose @@ -771,7 +771,7 @@ but not both at the same time: .. code-block:: shell-session - $ python3 prog.py --help + $ python prog.py --help usage: prog.py [-h] [-v | -q] x y calculate X to the power of Y diff --git a/Doc/howto/clinic.rst b/Doc/howto/clinic.rst index a97f1d2..8a10fe3 100644 --- a/Doc/howto/clinic.rst +++ b/Doc/howto/clinic.rst @@ -86,7 +86,7 @@ If you run that script, specifying a C file as an argument: .. code-block:: shell-session - $ python3 Tools/clinic/clinic.py foo.c + $ python Tools/clinic/clinic.py foo.c Argument Clinic will scan over the file looking for lines that look exactly like this: diff --git a/Doc/howto/unicode.rst b/Doc/howto/unicode.rst index ca09aee..b0faa68 100644 --- a/Doc/howto/unicode.rst +++ b/Doc/howto/unicode.rst @@ -449,7 +449,7 @@ When run, this outputs: .. code-block:: shell-session - $ python3 compare-strs.py + $ python compare-strs.py length of first string= 1 length of second string= 2 True diff --git a/Doc/library/__main__.rst b/Doc/library/__main__.rst index d0a65e7..6a2a7a7 100644 --- a/Doc/library/__main__.rst +++ b/Doc/library/__main__.rst @@ -61,7 +61,7 @@ The top-level code environment can be: .. code-block:: shell-session - $ python3 helloworld.py + $ python helloworld.py Hello, world! * the Python module or package passed to the Python interpreter with the @@ -69,14 +69,14 @@ The top-level code environment can be: .. code-block:: shell-session - $ python3 -m tarfile + $ python -m tarfile usage: tarfile.py [-h] [-v] (...) * Python code read by the Python interpreter from standard input: .. code-block:: shell-session - $ echo "import this" | python3 + $ echo "import this" | python The Zen of Python, by Tim Peters Beautiful is better than ugly. @@ -87,7 +87,7 @@ The top-level code environment can be: .. code-block:: shell-session - $ python3 -c "import this" + $ python -c "import this" The Zen of Python, by Tim Peters Beautiful is better than ugly. @@ -178,7 +178,7 @@ that your function will return some value acceptable as an input to returned if your function does not have a return statement). By proactively following this convention ourselves, our module will have the -same behavior when run directly (i.e. ``python3 echo.py``) as it will have if +same behavior when run directly (i.e. ``python echo.py``) as it will have if we later package it as a console script entry-point in a pip-installable package. @@ -215,7 +215,7 @@ directly from the command line using the :option:`-m` flag. For example: .. code-block:: shell-session - $ python3 -m bandclass + $ python -m bandclass This command will cause ``__main__.py`` to run. How you utilize this mechanism will depend on the nature of the package you are writing, but in this @@ -320,7 +320,7 @@ Now, if we started our program, the result would look like this: .. code-block:: shell-session - $ python3 start.py + $ python start.py Define the variable `my_name`! The exit code of the program would be 1, indicating an error. Uncommenting the @@ -329,7 +329,7 @@ status code 0, indicating success: .. code-block:: shell-session - $ python3 start.py + $ python start.py Dinsdale found in file /path/to/start.py Note that importing ``__main__`` doesn't cause any issues with unintentionally diff --git a/Doc/library/devmode.rst b/Doc/library/devmode.rst index 44e7d4f..9777359 100644 --- a/Doc/library/devmode.rst +++ b/Doc/library/devmode.rst @@ -21,7 +21,7 @@ Effects of the Python Development Mode Enabling the Python Development Mode is similar to the following command, but with additional effects described below:: - PYTHONMALLOC=debug PYTHONASYNCIODEBUG=1 python3 -W default -X faulthandler + PYTHONMALLOC=debug PYTHONASYNCIODEBUG=1 python -W default -X faulthandler Effects of the Python Development Mode: @@ -128,14 +128,14 @@ any warning. Example using README.txt, which has 269 lines: .. code-block:: shell-session - $ python3 script.py README.txt + $ python script.py README.txt 269 Enabling the Python Development Mode displays a :exc:`ResourceWarning` warning: .. code-block:: shell-session - $ python3 -X dev script.py README.txt + $ python -X dev script.py README.txt 269 script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper name='README.rst' mode='r' encoding='UTF-8'> main() @@ -146,7 +146,7 @@ opened: .. code-block:: shell-session - $ python3 -X dev -X tracemalloc=5 script.py README.rst + $ python -X dev -X tracemalloc=5 script.py README.rst 269 script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper name='README.rst' mode='r' encoding='UTF-8'> main() @@ -190,7 +190,7 @@ By default, Python does not emit any warning: .. code-block:: shell-session - $ python3 script.py + $ python script.py import os The Python Development Mode shows a :exc:`ResourceWarning` and logs a "Bad file @@ -198,7 +198,7 @@ descriptor" error when finalizing the file object: .. code-block:: shell-session - $ python3 script.py + $ python script.py import os script.py:10: ResourceWarning: unclosed file <_io.TextIOWrapper name='script.py' mode='r' encoding='UTF-8'> main() diff --git a/Doc/library/faulthandler.rst b/Doc/library/faulthandler.rst index be09123..07a7489 100644 --- a/Doc/library/faulthandler.rst +++ b/Doc/library/faulthandler.rst @@ -166,10 +166,10 @@ handler: .. code-block:: shell-session - $ python3 -c "import ctypes; ctypes.string_at(0)" + $ python -c "import ctypes; ctypes.string_at(0)" Segmentation fault - $ python3 -q -X faulthandler + $ python -q -X faulthandler >>> import ctypes >>> ctypes.string_at(0) Fatal Python error: Segmentation fault diff --git a/Doc/library/site.rst b/Doc/library/site.rst index 5941739..4a88013 100644 --- a/Doc/library/site.rst +++ b/Doc/library/site.rst @@ -250,8 +250,8 @@ command line: .. code-block:: shell-session - $ python3 -m site --user-site - /home/user/.local/lib/python3.3/site-packages + $ python -m site --user-site + /home/user/.local/lib/python3.11/site-packages If it is called without arguments, it will print the contents of :data:`sys.path` on the standard output, followed by the value of diff --git a/Doc/library/timeit.rst b/Doc/library/timeit.rst index 660a546..5437704 100644 --- a/Doc/library/timeit.rst +++ b/Doc/library/timeit.rst @@ -27,11 +27,11 @@ can be used to compare three different expressions: .. code-block:: shell-session - $ python3 -m timeit '"-".join(str(n) for n in range(100))' + $ python -m timeit '"-".join(str(n) for n in range(100))' 10000 loops, best of 5: 30.2 usec per loop - $ python3 -m timeit '"-".join([str(n) for n in range(100)])' + $ python -m timeit '"-".join([str(n) for n in range(100)])' 10000 loops, best of 5: 27.5 usec per loop - $ python3 -m timeit '"-".join(map(str, range(100)))' + $ python -m timeit '"-".join(map(str, range(100)))' 10000 loops, best of 5: 23.2 usec per loop This can be achieved from the :ref:`python-interface` with:: |