995200a978
- New ``-i``/``--isolation`` argument is added, it must be used before first positional argument (i.e., first comamnd). - The new `entry.py` module is now the entry point, so it can set the `LIBERVIA_ISOLATION` environment variable before the backend read it.
59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
#!/usr/bin/env python3
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# Libervia: an XMPP client
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# Copyright (C) 2009-2026 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Entry point for the Libervia CLI frontends."""
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import os
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import sys
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def extract_isolation_arg(argv: list[str]) -> str | None:
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"""Extract the isolation argument.
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Only arguments used before the first command are considered, avoiding conflicts with
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sub-commands.
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@param argv: The command line arguments, without the program name
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@return: The isolation name, or None if the argument is not used
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"""
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for i, arg in enumerate(argv):
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if arg in ("-i", "--isolation"):
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if i + 1 >= len(argv):
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return None
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return argv[i + 1]
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if arg.startswith("-i") and len(arg) > 2:
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# combined short option, e.g. "-iname"
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return arg[2:]
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if arg.startswith("--isolation="):
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return arg.split("=", 1)[1]
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if not arg.startswith("-"):
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# first positional argument (the command), we stop here
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break
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return None
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def main() -> None:
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"""Run the Libervia CLI."""
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# The backend reads the environment variable at import time, we have to process the
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# isolation argument here, before first "libervia.backend" import.
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isolation = extract_isolation_arg(sys.argv[1:])
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if isolation is not None:
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os.environ["LIBERVIA_ISOLATION"] = isolation
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from libervia.cli.base import LiberviaCli
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LiberviaCli.run()
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