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CLI in Python

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Версия для русских: здесь

Command-line interface for programs on Python3

How to run

from console import Console
import platform
import getpass

cli = Console(prompt_in=">", prompt_out="]:")

def cli_echo(argv: list):
    """ Help message here """

    message = f"argv: {argv}"

    return message

def cli_uname():
    """ Print uname information. """

    uname = platform.uname()
    user = getpass.getuser()

    return f"{user}@{uname.node} -> {uname.system} {uname.release} ({uname.version})"

# Add commands
cli.add("help", cli_echo, echo=True)  # With echo
cli.add("uname", cli_uname)  # Without echo

cli.run()

Usage output

  • Basic output
from console import Console

cli = Console(prompt_in=">", prompt_out="]:")

cli.log("cli.og")
cli.write("cli.write")

# Output
# ]: cli.og
# ]: cli.write
  • With logging output usage
from console import Console
import logging

cli = Console(prompt_in=">", prompt_out="]:")
logging.basicConfig(level=logging.NOTSET, format="%(asctime)s - %(name)-5s - %(levelname)-7s - %(message)s")

# All calls below will be implemented via Console
cli.logger_hook()
logging.debug("Debug log")
logging.warning('Warning log')
logging.error("Error log")
logging.info("Info log")

# Output
# ]: 2022-02-20 23:22:49,731 - root  - DEBUG   - Debug log
# ]: 2022-02-20 23:22:49,731 - root  - WARNING - Warning log
# ]: 2022-02-20 23:22:49,731 - root  - ERROR   - Error log
# ]: 2022-02-20 23:22:49,731 - root  - INFO    - Info log
  • With print() and console.log output usage
from console import Console

cli = Console(prompt_in=">", prompt_out="]:")

cli.builtins_hook()

# Output below from the hook
# After builtins_hook() => cli = console

print("print()")

console.write("console.write")
console.log("console.log")

console['[] log']
console << "<< log"

# Output
# ]: print()
# ]: console.write
# ]: console.log
# ]: [] log
# ]: << log

If you use IDE, you mast update builtins.pyi with scr/builtins_fix.pyi.
Copy all from builtins_fix.pyi and insert into builtins.pyi at line 131 below class type(object).

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