clap | Advanced Command Line Arguments Parser for Python | Parser library
kandi X-RAY | clap Summary
kandi X-RAY | clap Summary
CLAP aims at being powerful and advanced command line interface library for Python 3 language. Having built-in support for modes, optional and obligatory options, options with arguments (with type-checking with arbitrary types) it enables programmers to create rich command line interfaces for Python 3 programs.
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Top functions reviewed by kandi - BETA
- Initialize the options .
- Return the help lines for the given command .
- Check the operands range .
- Make a list of lines from a string
- Return the operands and nested operands .
- Display help text .
- Render the options .
- Expand the given command name .
- Gets the value of the given option .
- Build the mode .
clap Key Features
clap Examples and Code Snippets
Community Discussions
Trending Discussions on clap
QUESTION
I want to use the clap derive API in order to parse an Ipv4Addr
.
ANSWER
Answered 2022-Mar-31 at 13:57What you want is what is used by default (since Ipv4Addr
implements FromStr
), without specifiying any parse
option:
QUESTION
i run this command for installing afl but got this error :slight_smile:
cargo install --force afl --verbose
ANSWER
Answered 2022-Mar-10 at 08:08its done. cargo +nightly install --force afl --verbose
QUESTION
So I'm reading the docs and I can see the attribute still exists https://github.com/clap-rs/clap/blob/v3.1.6/examples/derive_ref/README.md#arg-attributes
I'm getting:
no method named `about` found for struct `Arg` in the current scope
Am I missing something?
...ANSWER
Answered 2022-Mar-09 at 16:04It looks like in 3.*.beta
help()
was deprecated in favor of about()
, because they were looked as redundant, and somewhat similar to App::about()
.
But then they changed their minds and reverted that change before the 3.0
release, deleting instead about()
.
So, just use Arg::help()
instead.
Same thing for long_help()
and long_about()
.
QUESTION
Though this was working last week, suddenly now while building docker image for my rust application the following command fails-
...ANSWER
Answered 2022-Mar-03 at 04:46Editions are separately chosen by each crate being compiled. The current revision of the ed25519
crate requires a compiler that supports the 2021 edition. (You can find this out through docs.rs's handy source view: https://docs.rs/crate/ed25519/1.4.0/source/Cargo.toml.orig)
If you're trying to compile Rust binaries using a fixed compiler version (or an older version that might be in your distro package manager), then it's important to include a Cargo.lock
file in your project/container configuration. The lock file specifies exact versions of each crate, so that your build cannot be broken by new library versions requiring newer compiler features.
However, there's a catch: cargo install
ignores the lock file by default. So, you'll also need to change your command to pass the --locked
flag to cargo install
.
(You should also consider using a newer Rust compiler version, so that you don't have to use old versions of libraries that may have known bugs.)
QUESTION
Been playing around with the SF Symbols and very impressive they are too.
However when I try and use them in code from a number of SF examples I come up with:
...ANSWER
Answered 2022-Mar-02 at 12:26Using SFSymbols is only available from iOS 13, however some specific symbols can also have higher deployment version (14 or 15) Check your project version in your App Target "General" tab and minimum deployment of your desired symbol. If you want to use symbols for lower iOS you should mark creating image with if #available(iOS 13.0, *)
as you mentioned. If you want to make fallback image for lower iOS , your only option is to create separate asset with UIImage(named: "heart.jpeg")
. You can also export your symbols manually adding it to Assset catalogue, however keep in mind that you need to convert it from SVG format so some other format, because iOS lower than version 13 also does not support SVG preserving vector data.
QUESTION
I'm looping through an object. The loop is working perfectly fine, but after the number of value
comes to zero
it's jumping to the next key
.
I want after iterating from the each key
it should go to next one.
ANSWER
Answered 2022-Feb-04 at 10:26This works
Note the splice so timeout will no longer take longer as the values turn 0
QUESTION
I'm trying to compile my Rust code on my M1 Mac for a x86_64 target with linux. I use Docker to achieve that.
My Dockerfile:
...ANSWER
Answered 2022-Jan-18 at 17:25It looks like the executable is actually named x86_64-linux-gnu-gcc
, see https://packages.debian.org/bullseye/arm64/gcc-x86-64-linux-gnu/filelist.
QUESTION
The problem is as following: I have created a separate JS file, in which I want to iterate through elements belonging to a certain class audioz
. In the second line of my JS code I use the addEventListener
on item
, however the code does not seem to work with item
, only if I put document
, but the result remains flawed. What am I doing wrong in the iteration?
JS:
...ANSWER
Answered 2022-Jan-16 at 16:07You are currently adding a keydown
event listener to each audio
tag. However, the audio
tag is hidden, so you can't execute the keydown
event on it. Thus, your code will not work.
Add the event listener to the document instead.
QUESTION
What i'm trying to do is making a piano song with individual sound files for the piano claps. I did a version of it in javascript, with WebAudioAPI, using an oscillator instead of audio files. Here's a part of the code out of context:
...ANSWER
Answered 2022-Jan-16 at 17:36With a Clip one uses the methodstop()
to halt the playback. A subsequently called start()
will resume playback from the same point. But one can change the playback point to a new location with either the setFramePosition()
or setMicrosecondPosition()
methods.
With a SourceDataLine one can also use start()
and stop()
methods. But changing to a new playback point is limited and trickier. One can only move forward, and this is done by using the skip() method of the AudioInputStream
that is used to obtain the data being output through the SourceDataLine
.
If the sound you are playing is only meant to be played once through, I would tend to favor using the SourceDataLine
. If you are going to play the sound over, repeatedly, and holding the data in memory is not a burden, then Clip
would likely be the better choice.
With SourceDataLine
you are not limited to using AudioInputStream
as your source signal. You can also use a custom-made oscillator or synthesizer. Converting the output of the oscillator, if it is PCM, will have to be handled to match the audio format in that case.
QUESTION
I want one argument to imply another, though they don't take explicit values. --simple-anime
or --complex-anime
should imply --anime
. The API that should work is default_value_ifs
, saying that if either of the former is present, --anime
will also be true. The problem is that that option turns on takes_value
, and if I turn that off, the implication doesn't happen.
Simple example: --dog
implies --mammal
. Neither one should require a value--it is true if the argument is present.
ANSWER
Answered 2022-Jan-15 at 23:54Instead of takes_value(false)
use min_values(0)
(playground):
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install clap
You can use clap like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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