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redis-pipeline | redis-pipeline - | Command Line Interface library

 by   online-demo Java Version: Current License: No License

 by   online-demo Java Version: Current License: No License

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kandi X-RAY | redis-pipeline Summary

redis-pipeline is a Java library typically used in Utilities, Command Line Interface, Redis applications. redis-pipeline has no bugs, it has no vulnerabilities, it has build file available and it has low support. You can download it from GitHub.
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kandi-support Support

  • redis-pipeline has a low active ecosystem.
  • It has 2 star(s) with 1 fork(s). There are 2 watchers for this library.
  • It had no major release in the last 12 months.
  • redis-pipeline has no issues reported. There are no pull requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of redis-pipeline is current.
redis-pipeline Support
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redis-pipeline Support
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quality kandi Quality

  • redis-pipeline has no bugs reported.
redis-pipeline Quality
Best in #Command Line Interface
Average in #Command Line Interface
redis-pipeline Quality
Best in #Command Line Interface
Average in #Command Line Interface

securitySecurity

  • redis-pipeline has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
redis-pipeline Security
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redis-pipeline Security
Best in #Command Line Interface
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license License

  • redis-pipeline does not have a standard license declared.
  • Check the repository for any license declaration and review the terms closely.
  • Without a license, all rights are reserved, and you cannot use the library in your applications.
redis-pipeline License
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redis-pipeline License
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buildReuse

  • redis-pipeline releases are not available. You will need to build from source code and install.
  • Build file is available. You can build the component from source.
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Top functions reviewed by kandi - BETA

kandi has reviewed redis-pipeline and discovered the below as its top functions. This is intended to give you an instant insight into redis-pipeline implemented functionality, and help decide if they suit your requirements.

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    • Starts the Redis pipeline demo .

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      redis-pipeline Key Features

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      redis-pipeline Examples and Code Snippets

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      Community Discussions

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      QUESTION

      Argparse outputting help text twice

      Asked 2022-Feb-25 at 21:44

      After an hour googling, I can't find anybody who has had anything resembling this issue besides myself. I created a command line interface with argparse. Originally I had tried to leverage argparse's built in help text behavior. But my boss isn't satisfied with the default help text, so he is having me write up the full usage/help text in a text file and just display the entire file.

      For some reason, in a certain case, its outputting the text twice.

      Here is the basics of how my program is broken down:

      I have a top level parser. I read in my help text file, set it to a string help_text, and then set "usage=help_text" on the parser. Then I create subparsers (4 of them and then a base case) to create subcommands. Only one of those subparsers has any additional arguments (one positional, one optional). Before I reworked the help text, I had help text for each individual subcommand by using "help=" but now those are all blank. Lastly, I have set up a base case to display the help text whenever no subcommands are given.

      Here is the behavior I'm getting:

      When I call the main function with no subcommands and no arguments, my help_text from the text file outputs, and then like 2-3 additional lines of boiler plate I can't seem to get rid of. Also because the word usage appears in my text file, it says "usage: usage"

      When I call the main command and then type --help, the exact same thing happens as above.

      When I call the one subcommand that has a required positional argument and I don't include that argument... it spits out the entire help text twice. Right above the second time it prints, it prints the default usage line for that subcommand.

      Lastly, when I use a different subcommand that has no arguments and give it an argument (one too many) it spits out everything completely correctly without even the extra couple lines at the end.

      I don't know how to make heads or tales about this. Here is the main function of the script (I can verify that this problem occurs only in the main function where argparse is used, not the other functions that the main function calls):

      def main():
          # Import help text from file
          p = Path(__file__).with_name("help_text.txt")
          with p.open() as file:
              help_text = file.read()
      
          # Configure the top level Parser
          parser = argparse.ArgumentParser(prog='hubmap-clt', description='Name of cli', usage=help_text)
          subparsers = parser.add_subparsers()
      
          # Create Subparsers to give subcommands
          parser_transfer = subparsers.add_parser('subcommandone')
          parser_transfer.add_argument('argument1', type=str)
          parser_transfer.add_argument('--optionalargument', default='mydefault')
          parser_login = subparsers.add_parser('subcommandtwo')
          parser_whoami = subparsers.add_parser('subcommandthree')
          parser_logout = subparsers.add_parser('subcommandfour')
      
          # Assign subparsers to their respective functions
          parser_subcommandone.set_defaults(func=subcommandone)
          parser_subcommandtwo.set_defaults(func=subcommandtwo)
          parser_subcommandthree.set_defaults(func=subcommandthree)
          parser_subcommandfour.set_defaults(func=subcommandfour)
          parser.set_defaults(func=base_case)
      
          # Parse the arguments and call appropriate functions
          args = parser.parse_args()
          if len(sys.argv) == 1:
              args.func(args, parser)
          else:
              args.func(args)
      

      So to clarify:

      Why does the extra couple lines of boiler-plat help text appear sometimes which looks like this:

       name of cli
      
       positional arguments:
           {subcommandone,subcommandtwo,subcommandthree,subcommandfour}
      
       optional arguments:
          -h, --help            show this help message and exit
      

      Why does using subcommandone with too few arguments print out the help text twice (but NOT the extra lines of boiler-plate help text.

      why does using subcommandtwo with one too MANY arguments print everything perfectly without any extra lines?

      ANSWER

      Answered 2022-Feb-25 at 21:44

      With a modification of your main:

      def foo():
          # Import help text from file
          # p = Path(__file__).with_name("help_text.txt")
          # with p.open() as file:
          #    help_text = file.read()
          help_text = "cli usage: foobar\n morebar"
      
          # Configure the top level Parser
          parser = argparse.ArgumentParser(
              prog="hubmap-clt", description="Name of cli", usage=help_text
          )
          subparsers = parser.add_subparsers()
      
          # Create Subparsers to give subcommands
          parser_transfer = subparsers.add_parser("subcommandone")
          parser_transfer.add_argument("argument1", type=str)
          parser_transfer.add_argument("--optionalargument", default="mydefault")
          parser_login = subparsers.add_parser("subcommandtwo")
          # parser_whoami = subparsers.add_parser("subcommandthree")
          # parser_logout = subparsers.add_parser("subcommandfour")
      
          # Assign subparsers to their respective functions
          parser_transfer.set_defaults(func="subcommandone")
          parser_login.set_defaults(func="subcommandtwo")
          # parser_subcommandthree.set_defaults(func="subcommandthree")
          # parser_subcommandfour.set_defaults(func="subcommandfour")
          parser.set_defaults(func="base_case")
      
          return parser
      

      in an iteractive ipython session:

      In [8]: p = foo()
      
      In [9]: p.print_usage()
      usage: cli usage: foobar
       morebar
      

      Usage is exactly as I specified. And the help for the main parser:

      In [10]: p.print_help()
      usage: cli usage: foobar
       morebar
      
      Name of cli
      
      positional arguments:
        {subcommandone,subcommandtwo}
      
      optional arguments:
        -h, --help            show this help message and exit
      

      That's what I expect given the arguments.

      Help for a subparser:

      In [11]: p.parse_args(["subcommandone", "-h"])
      usage: cli usage: foobar
       morebar subcommandone [-h] [--optionalargument OPTIONALARGUMENT] argument1
      
      positional arguments:
        argument1
      
      optional arguments:
        -h, --help            show this help message and exit
        --optionalargument OPTIONALARGUMENT
      

      Usage is like the main's but with some added info on how to call this subparser and its arguments.

      Error when calling the subparsers without enough values:

      In [15]: p.parse_args(["subcommandone"])
      usage: cli usage: foobar
       morebar subcommandone [-h] [--optionalargument OPTIONALARGUMENT] argument1
      cli usage: foobar
       morebar subcommandone: error: the following arguments are required: argument1
      

      Is this repeat of cli usage that bothering you? This error is raised by the subparser, and I suspect the extra comes from the prog of that subparser. I think I saw something like this on the Python bug/issues for argparse.

      error with too much:

      In [17]: p.parse_args(["subcommandone", "test", "extra"])
      usage: cli usage: foobar
       morebar
      hubmap-clt: error: unrecognized arguments: extra
      

      In this case error is produced by the main parser, hence the "hubmat-clt" prog.

      change prog:

      ...: parser_transfer = subparsers.add_parser( ...: "subcommandone", prog="hubmap-clt sobcommandone" ...: )

      In [21]: p.parse_args(["subcommandone", "test", "extra"])
      usage: cli usage: foobar
       morebar
      hubmap-clt: error: unrecognized arguments: extra
      
      In [22]: p.parse_args(["subcommandone"])
      usage: hubmap-clt sobcommandone [-h] [--optionalargument OPTIONALARGUMENT] argument1
      hubmap-clt sobcommandone: error: the following arguments are required: argument1
      

      [21] is as before [17]. But [22] is now showing the prog that I set. I could also have specified a custom usage for the subparser.

      If I modify the function to use default usage and prog, but also display the subparser's prog. And I gave the main an "main_foo" positional argument:

      In [30]: p = foo()
      hubmap-clt main_foo subcommandone
      In [31]: p.parse_args(["subcommandone"])
      Out[31]: Namespace(main_foo='subcommandone')
      In [32]: p.parse_args(["foo", "subcommandone"])
      usage: hubmap-clt main_foo subcommandone [-h] [--optionalargument OPTIONALARGUMENT] argument1
      hubmap-clt main_foo subcommandone: error: the following arguments are required: argument1
      

      Notice how the main's usage has been incorporated into the 'prog' for the subparser.

      In the bug/issue I found the main parser's usage gets incorporated into the prog of the subparser. That's why you see the duplicate.

      https://bugs.python.org/issue42297 [argparse] Bad error message formatting when using custom usage text

      The relatively recent date of this bug issue indicates that custom usage is not that common, and even less so when used with subparsers. As my post on this issue indicates, the relation between the main parser, the "subparsers" command, and individual subparsers gets complicated.

      Source https://stackoverflow.com/questions/71270655

      Community Discussions, Code Snippets contain sources that include Stack Exchange Network

      Vulnerabilities

      No vulnerabilities reported

      Install redis-pipeline

      You can download it from GitHub.
      You can use redis-pipeline like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the redis-pipeline component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

      Support

      For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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