diff options
Diffstat (limited to 'Doc/library/argparse.rst')
| -rw-r--r-- | Doc/library/argparse.rst | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index 10789e9..995c4ee 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -45,7 +45,9 @@ produces either the sum or the max:: print(args.accumulate(args.integers)) Assuming the Python code above is saved into a file called ``prog.py``, it can -be run at the command line and provides useful help messages:: +be run at the command line and provides useful help messages: + +.. code-block:: shell-session $ python prog.py -h usage: prog.py [-h] [--sum] N [N ...] @@ -60,7 +62,9 @@ be run at the command line and provides useful help messages:: --sum sum the integers (default: find the max) When run with the appropriate arguments, it prints either the sum or the max of -the command-line integers:: +the command-line integers: + +.. code-block:: shell-session $ python prog.py 1 2 3 4 4 @@ -68,7 +72,9 @@ the command-line integers:: $ python prog.py 1 2 3 4 --sum 10 -If invalid arguments are passed in, it will issue an error:: +If invalid arguments are passed in, it will issue an error: + +.. code-block:: shell-session $ python prog.py a b c usage: prog.py [-h] [--sum] N [N ...] @@ -194,7 +200,9 @@ invoked on the command line. For example, consider a file named args = parser.parse_args() The help for this program will display ``myprogram.py`` as the program name -(regardless of where the program was invoked from):: +(regardless of where the program was invoked from): + +.. code-block:: shell-session $ python myprogram.py --help usage: myprogram.py [-h] [--foo FOO] @@ -596,7 +604,9 @@ the parser's help message. For example, consider a file named args = parser.parse_args() If ``-h`` or ``--help`` is supplied at the command line, the ArgumentParser -help will be printed:: +help will be printed: + +.. code-block:: shell-session $ python myprogram.py --help usage: myprogram.py [-h] [--foo FOO] |