[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[Mariatta Wijaya]

Mariatta Wijaya added the comment:

Thanks, David. I merged the backport PRs. Closing this.

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nosy: +Mariatta
resolution:  -> fixed
stage:  -> resolved
status: open -> closed

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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[R. David Murray]

Changes by R. David Murray :


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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[R. David Murray]

Changes by R. David Murray :


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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[R. David Murray]

Changes by R. David Murray :


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versions: +Python 3.6, Python 3.7 -Python 3.2, Python 3.3, Python 3.4

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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[R. David Murray]

R. David Murray added the comment:

I've turned this into a PR.  The example was already changed in a previous 
checkin.  I reworded the optparse porting addition to match the existing style 
of the list.

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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[R. David Murray]

Changes by R. David Murray :


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pull_requests: +3327

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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[Glenn Linderman]

Glenn Linderman added the comment:

These docs changes seem reasonable, from a side-by-side view (I didn't attempt 
to look at the formatted results of applying the patch), to better document the 
current behavior.

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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[paul j3]

paul j3 added the comment:

This patch to argparse.rst adds the argument points to parse_args().  

It also adds two points to the 'Upgrading optparse code' section, one about 
using 'nargs=argparse.REMAINDER', and other about 'parse_known_args()'.

I'm not entirely happy with the format of the internal hyperlinks.

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keywords: +patch
Added file: http://bugs.python.org/file29661/remainder.patch

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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[paul j3]

paul j3 added the comment:

I changed the reference to the optparse allow_interspersed_args attribute to 
the disable_interspersed_args() method.

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Added file: http://bugs.python.org/file29662/remainder.patch

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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[paul j3]

paul j3 added the comment:

The 'args=' parameter is the same as the first positional parameter used in 
most of the examples.  That is normal Python behavior.

15.4.4.5. Beyond sys.argv
explains this alternative way of specifying argv.

Still 2 bullet points could be added to 15.4.4.

- args - A list of strings, default is sys.argv[1:] (link to 15.4.4.5.)
- namespace - A Namespace object, default is a new Namespace (link to 15.4.4.6.)

Maybe a 15.4.4.5. example using args=['1', '2', '3', '4'] would also be helpful.

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[issue15427] Describe use of args parameter of argparse.ArgumentParser.parse_args

[Steven Bethard]

New submission from Steven Bethard steven.beth...@gmail.com:

From http://bugs.python.org/issue14191#msg155202:

ArgumentParser.parse_args(args=None, namespace=None)
...
However, nowhere is the args= parameter explained.  One example is given at the 
end of 15.4.4.6 showing the use of args= which apparently accepts a list of 
parameters, similar to the positional list of parameters that are used in all 
the other examples.  It might be nice to clarify that.

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assignee: docs@python
components: Documentation
messages: 166174
nosy: bethard, docs@python
priority: normal
severity: normal
status: open
title: Describe use of args parameter of argparse.ArgumentParser.parse_args
type: behavior
versions: Python 2.7, Python 3.2, Python 3.3, Python 3.4

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