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165 lines
4.7 KiB
165 lines
4.7 KiB
import os
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import sys
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from subprocess import Popen
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from typing import Any, Dict, List
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try:
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import click
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except ImportError:
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sys.stderr.write('It seems python-dotenv is not installed with cli option. \n'
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'Run pip install "python-dotenv[cli]" to fix this.')
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sys.exit(1)
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from .main import dotenv_values, get_key, set_key, unset_key
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from .version import __version__
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@click.group()
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@click.option('-f', '--file', default=os.path.join(os.getcwd(), '.env'),
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type=click.Path(file_okay=True),
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help="Location of the .env file, defaults to .env file in current working directory.")
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@click.option('-q', '--quote', default='always',
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type=click.Choice(['always', 'never', 'auto']),
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help="Whether to quote or not the variable values. Default mode is always. This does not affect parsing.")
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@click.option('-e', '--export', default=False,
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type=click.BOOL,
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help="Whether to write the dot file as an executable bash script.")
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@click.version_option(version=__version__)
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@click.pass_context
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def cli(ctx: click.Context, file: Any, quote: Any, export: Any) -> None:
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'''This script is used to set, get or unset values from a .env file.'''
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ctx.obj = {}
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ctx.obj['QUOTE'] = quote
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ctx.obj['EXPORT'] = export
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ctx.obj['FILE'] = file
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@cli.command()
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@click.pass_context
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def list(ctx: click.Context) -> None:
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'''Display all the stored key/value.'''
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file = ctx.obj['FILE']
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if not os.path.isfile(file):
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raise click.BadParameter(
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'Path "%s" does not exist.' % (file),
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ctx=ctx
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)
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dotenv_as_dict = dotenv_values(file)
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for k, v in dotenv_as_dict.items():
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click.echo('%s=%s' % (k, v))
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@cli.command()
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@click.pass_context
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@click.argument('key', required=True)
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@click.argument('value', required=True)
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def set(ctx: click.Context, key: Any, value: Any) -> None:
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'''Store the given key/value.'''
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file = ctx.obj['FILE']
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quote = ctx.obj['QUOTE']
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export = ctx.obj['EXPORT']
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success, key, value = set_key(file, key, value, quote, export)
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if success:
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click.echo('%s=%s' % (key, value))
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else:
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exit(1)
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@cli.command()
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@click.pass_context
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@click.argument('key', required=True)
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def get(ctx: click.Context, key: Any) -> None:
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'''Retrieve the value for the given key.'''
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file = ctx.obj['FILE']
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if not os.path.isfile(file):
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raise click.BadParameter(
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'Path "%s" does not exist.' % (file),
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ctx=ctx
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)
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stored_value = get_key(file, key)
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if stored_value:
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click.echo(stored_value)
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else:
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exit(1)
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@cli.command()
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@click.pass_context
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@click.argument('key', required=True)
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def unset(ctx: click.Context, key: Any) -> None:
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'''Removes the given key.'''
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file = ctx.obj['FILE']
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quote = ctx.obj['QUOTE']
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success, key = unset_key(file, key, quote)
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if success:
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click.echo("Successfully removed %s" % key)
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else:
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exit(1)
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@cli.command(context_settings={'ignore_unknown_options': True})
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@click.pass_context
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@click.option(
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"--override/--no-override",
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default=True,
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help="Override variables from the environment file with those from the .env file.",
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)
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@click.argument('commandline', nargs=-1, type=click.UNPROCESSED)
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def run(ctx: click.Context, override: bool, commandline: List[str]) -> None:
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"""Run command with environment variables present."""
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file = ctx.obj['FILE']
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if not os.path.isfile(file):
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raise click.BadParameter(
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'Invalid value for \'-f\' "%s" does not exist.' % (file),
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ctx=ctx
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)
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dotenv_as_dict = {
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k: v
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for (k, v) in dotenv_values(file).items()
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if v is not None and (override or k not in os.environ)
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}
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if not commandline:
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click.echo('No command given.')
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exit(1)
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ret = run_command(commandline, dotenv_as_dict)
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exit(ret)
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def run_command(command: List[str], env: Dict[str, str]) -> int:
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"""Run command in sub process.
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Runs the command in a sub process with the variables from `env`
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added in the current environment variables.
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Parameters
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----------
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command: List[str]
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The command and it's parameters
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env: Dict
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The additional environment variables
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Returns
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-------
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int
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The return code of the command
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"""
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# copy the current environment variables and add the vales from
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# `env`
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cmd_env = os.environ.copy()
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cmd_env.update(env)
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p = Popen(command,
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universal_newlines=True,
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bufsize=0,
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shell=False,
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env=cmd_env)
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_, _ = p.communicate()
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return p.returncode
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if __name__ == "__main__":
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cli()
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