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authorMartin Panter <vadmium+py@gmail.com>2016-04-26 11:41:25 (GMT)
committerMartin Panter <vadmium+py@gmail.com>2016-04-26 11:41:25 (GMT)
commitf5e60480b9a4f57962a76290542860b951ac76dd (patch)
treec088e9bd8d260e67c03fb753ae5dfa8ba0c26e7e /Doc/library/argparse.rst
parentb9531bcdcce35c443f1b7c6f1c79ed8ae575f36b (diff)
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Issue #20598: Replace trivial split() calls with lists in argparse docs
Diffstat (limited to 'Doc/library/argparse.rst')
-rw-r--r--Doc/library/argparse.rst46
1 files changed, 23 insertions, 23 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index 03dda1a..0bb57c1 100644
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -725,7 +725,7 @@ how the command-line arguments should be handled. The supplied actions are:
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', action='store_const', const=42)
- >>> parser.parse_args('--foo'.split())
+ >>> parser.parse_args(['--foo'])
Namespace(foo=42)
* ``'store_true'`` and ``'store_false'`` - These are special cases of
@@ -766,7 +766,7 @@ how the command-line arguments should be handled. The supplied actions are:
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--verbose', '-v', action='count')
- >>> parser.parse_args('-vvv'.split())
+ >>> parser.parse_args(['-vvv'])
Namespace(verbose=3)
* ``'help'`` - This prints a complete help message for all the options in the
@@ -841,11 +841,11 @@ values are:
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', nargs='?', const='c', default='d')
>>> parser.add_argument('bar', nargs='?', default='d')
- >>> parser.parse_args('XX --foo YY'.split())
+ >>> parser.parse_args(['XX', '--foo', 'YY'])
Namespace(bar='XX', foo='YY')
- >>> parser.parse_args('XX --foo'.split())
+ >>> parser.parse_args(['XX', '--foo'])
Namespace(bar='XX', foo='c')
- >>> parser.parse_args(''.split())
+ >>> parser.parse_args([])
Namespace(bar='d', foo='d')
One of the more common uses of ``nargs='?'`` is to allow optional input and
@@ -881,9 +881,9 @@ values are:
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('foo', nargs='+')
- >>> parser.parse_args('a b'.split())
+ >>> parser.parse_args(['a', 'b'])
Namespace(foo=['a', 'b'])
- >>> parser.parse_args(''.split())
+ >>> parser.parse_args([])
usage: PROG [-h] foo [foo ...]
PROG: error: too few arguments
@@ -938,9 +938,9 @@ was not present at the command line::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('--foo', default=42)
- >>> parser.parse_args('--foo 2'.split())
+ >>> parser.parse_args(['--foo', '2'])
Namespace(foo='2')
- >>> parser.parse_args(''.split())
+ >>> parser.parse_args([])
Namespace(foo=42)
If the ``default`` value is a string, the parser parses the value as if it
@@ -959,9 +959,9 @@ is used when no command-line argument was present::
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('foo', nargs='?', default=42)
- >>> parser.parse_args('a'.split())
+ >>> parser.parse_args(['a'])
Namespace(foo='a')
- >>> parser.parse_args(''.split())
+ >>> parser.parse_args([])
Namespace(foo=42)
@@ -1018,9 +1018,9 @@ the converted value::
...
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('foo', type=perfect_square)
- >>> parser.parse_args('9'.split())
+ >>> parser.parse_args(['9'])
Namespace(foo=9)
- >>> parser.parse_args('7'.split())
+ >>> parser.parse_args(['7'])
usage: PROG [-h] foo
PROG: error: argument foo: '7' is not a perfect square
@@ -1029,9 +1029,9 @@ simply check against a range of values::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('foo', type=int, choices=range(5, 10))
- >>> parser.parse_args('7'.split())
+ >>> parser.parse_args(['7'])
Namespace(foo=7)
- >>> parser.parse_args('11'.split())
+ >>> parser.parse_args(['11'])
usage: PROG [-h] {5,6,7,8,9}
PROG: error: argument foo: invalid choice: 11 (choose from 5, 6, 7, 8, 9)
@@ -1112,7 +1112,7 @@ argument::
... help='foo the bars before frobbling')
>>> parser.add_argument('bar', nargs='+',
... help='one of the bars to be frobbled')
- >>> parser.parse_args('-h'.split())
+ >>> parser.parse_args(['-h'])
usage: frobble [-h] [--foo] bar [bar ...]
positional arguments:
@@ -1230,7 +1230,7 @@ attribute is determined by the ``dest`` keyword argument of
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('bar')
- >>> parser.parse_args('XXX'.split())
+ >>> parser.parse_args(['XXX'])
Namespace(bar='XXX')
For optional argument actions, the value of ``dest`` is normally inferred from
@@ -1327,22 +1327,22 @@ option and its value are passed as two separate arguments::
>>> parser = argparse.ArgumentParser(prog='PROG')
>>> parser.add_argument('-x')
>>> parser.add_argument('--foo')
- >>> parser.parse_args('-x X'.split())
+ >>> parser.parse_args(['-x', 'X'])
Namespace(foo=None, x='X')
- >>> parser.parse_args('--foo FOO'.split())
+ >>> parser.parse_args(['--foo', 'FOO'])
Namespace(foo='FOO', x=None)
For long options (options with names longer than a single character), the option
and value can also be passed as a single command-line argument, using ``=`` to
separate them::
- >>> parser.parse_args('--foo=FOO'.split())
+ >>> parser.parse_args(['--foo=FOO'])
Namespace(foo='FOO', x=None)
For short options (options only one character long), the option and its value
can be concatenated::
- >>> parser.parse_args('-xX'.split())
+ >>> parser.parse_args(['-xX'])
Namespace(foo=None, x='X')
Several short options can be joined together, using only a single ``-`` prefix,
@@ -1352,7 +1352,7 @@ as long as only the last option (or none of them) requires a value::
>>> parser.add_argument('-x', action='store_true')
>>> parser.add_argument('-y', action='store_true')
>>> parser.add_argument('-z')
- >>> parser.parse_args('-xyzZ'.split())
+ >>> parser.parse_args(['-xyzZ'])
Namespace(x=True, y=True, z='Z')
@@ -1474,7 +1474,7 @@ interactive prompt::
... default=max, help='sum the integers (default: find the max)')
>>> parser.parse_args(['1', '2', '3', '4'])
Namespace(accumulate=<built-in function max>, integers=[1, 2, 3, 4])
- >>> parser.parse_args('1 2 3 4 --sum'.split())
+ >>> parser.parse_args(['1', '2', '3', '4', '--sum'])
Namespace(accumulate=<built-in function sum>, integers=[1, 2, 3, 4])