sh_cpl/src/cpl_cli/command/help_service.py

73 lines
3.0 KiB
Python

import textwrap
from typing import Optional
from cpl_core.console.console import Console
from cpl_core.console.foreground_color_enum import ForegroundColorEnum
from cpl_core.dependency_injection.service_provider_abc import ServiceProviderABC
from cpl_cli.command_handler_service import CommandHandler
from cpl_cli.command_abc import CommandABC
class HelpService(CommandABC):
def __init__(self, services: ServiceProviderABC, cmd_handler: CommandHandler):
"""
Service for CLI command help
"""
CommandABC.__init__(self)
self._services = services
self._commands = cmd_handler.commands
@property
def help_message(self) -> str:
return textwrap.dedent("""\
Lists available command and their short descriptions.
Usage: cpl help <command>
Arguments:
command The command to display the help message for
""")
def run(self, args: list[str]):
"""
Entry point of command
:param args:
:return:
"""
if len(args) > 0:
command_name = args[0]
command: Optional[CommandABC] = None
for cmd in self._commands:
if cmd.name == command_name or command_name in cmd.aliases:
command = self._services.get_service(cmd.command)
if command is None:
Console.error(f'Invalid argument: {command_name}')
return
Console.write_line(command.help_message)
return
Console.write_line('Available Commands:')
commands = [
['add (a|a)', 'Adds a project reference to given project.'],
['build (b|B)', 'Prepares files for publish into an output directory named dist/ at the given output path. Must be executed from within a workspace directory.'],
['generate (g|G)', 'Generate a new file.'],
['help (h|H)', 'Lists available command and their short descriptions.'],
['install (i|I)', 'With argument installs packages to project, without argument installs project dependencies.'],
['new (n|N)', 'Creates new CPL project.'],
['publish (p|P)', 'Prepares files for publish into an output directory named dist/ at the given output path and executes setup.py. Must be executed from within a library workspace directory.'],
['remove (r|R)', 'Removes a project from workspace.'],
['start (s|S)', 'Starts CPL project, restarting on file changes.'],
['uninstall (ui|UI)', 'Uninstalls packages from project.'],
['update (u|u)', 'Update CPL and project dependencies.'],
['version (v|V)', 'Outputs CPL CLI version.']
]
for name, description in commands:
Console.set_foreground_color(ForegroundColorEnum.blue)
Console.write(f'\n\t{name} ')
Console.set_foreground_color(ForegroundColorEnum.default)
Console.write(f'{description}')