Comments (3)
Could you give me a couple test cases of what you want to work? I'm a little
confused
by your code vs your examples. For example, 'cd -' should already work fine:
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('dir')
>>> parser.parse_args(['-'])
Namespace(dir='-')
For the case where you use +/- alone as flags, do you want to use the + and -
with
spaces, e.g.:
>>> # hypothetical
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('-', dest='add')
>>> parser.parse_args('- X'.split())
Namespace(add='X')
Or do you want to be able to squeeze the argument up against the +/- like this:
>>> # hypothetical
>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('-')
>>> parser.parse_args('-X'.split())
Namespace(add='X')
The former is relatively easy to support. The latter would be difficult because
'-X'
looks like a mis-typed flag. I guess it would be possible to just disable the
mis-typed flag detection if an argument like the above is added, but I'd have to
think about it more.
Original comment by [email protected]
on 7 Dec 2009 at 12:09
- Added labels: Type-Enhancement
- Removed labels: Type-Defect
from argparse.
Just the former. I could see too much confusion easily arising from the use if
there
wasn't a space in-between. Mostly I just want to be able to treat it as a
standalone
bool flag or as the key to a subparser. I've used both forms in my scripts, but
the
subparser form is probably more common.
Original comment by [email protected]
on 7 Dec 2009 at 12:20
from argparse.
Added in r84:
>>> parser = argparse.ArgumentParser(prefix_chars='+-')
>>> parser.add_argument('+', dest='add')
>>> parser.add_argument('-', dest='sub')
>>> parser.parse_args(['+', '42', '-', '3'])
Namespace(add='42', sub='3')
Original comment by [email protected]
on 28 Feb 2010 at 8:08
- Changed state: Fixed
from argparse.
Related Issues (20)
- Feature Request: Ability to remove argument groups HOT 1
- sub command set_defaults behaviour HOT 1
- Parsing multiple merged short options eats characters HOT 1
- Subcommands not printed in the same order they were added HOT 4
- __all__ is not complete HOT 1
- Handling arguments after -- HOT 3
- sha1sum of argparse-1.1.zip does not match HOT 3
- add_mutually_exclusive_group more than once has incorrectly formatted help. HOT 1
- re-license argparse package under same license as py 2.7 stdlib argparse code HOT 8
- argparse-1.1.zip is not same archive on pypi / on google code HOT 4
- About this issue tracker HOT 2
- argparse 1.2 incompatible with Python 3.1 HOT 10
- When -h is used, default values that fail should not matter HOT 2
- positional arguments before options cause all options to be in REMAINDER
- Argparse is not testable with nosetest HOT 1
- `choices=[...]` overrides `nargs='*'` HOT 1
- Serious issues with nested mutex groups in help output HOT 2
- Bug with negative numbers in scientific notation HOT 1
- pypi version does not handle empty arguments when fromfile_prefix_chars set (python issue 12353)
- .add_mutually_exclusive_group() only works when child of parser but not when a child of argument group
Recommend Projects
-
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
-
Vue.js
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
-
Typescript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
-
TensorFlow
An Open Source Machine Learning Framework for Everyone
-
Django
The Web framework for perfectionists with deadlines.
-
Laravel
A PHP framework for web artisans
-
D3
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
-
Recommend Topics
-
javascript
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
-
web
Some thing interesting about web. New door for the world.
-
server
A server is a program made to process requests and deliver data to clients.
-
Machine learning
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
-
Visualization
Some thing interesting about visualization, use data art
-
Game
Some thing interesting about game, make everyone happy.
Recommend Org
-
Facebook
We are working to build community through open source technology. NB: members must have two-factor auth.
-
Microsoft
Open source projects and samples from Microsoft.
-
Google
Google ❤️ Open Source for everyone.
-
Alibaba
Alibaba Open Source for everyone
-
D3
Data-Driven Documents codes.
-
Tencent
China tencent open source team.
from argparse.