| |
| |
| """CLI implementation for `conda notices`. |
| |
| Manually retrieves channel notifications, caches them and displays them. |
| """ |
|
|
| from argparse import ArgumentParser, Namespace, _SubParsersAction |
|
|
|
|
| def configure_parser(sub_parsers: _SubParsersAction, **kwargs) -> ArgumentParser: |
| from ..auxlib.ish import dals |
| from .helpers import add_parser_channels, add_parser_json |
|
|
| summary = "Retrieve latest channel notifications." |
| description = dals( |
| f""" |
| {summary} |
| |
| Conda channel maintainers have the option of setting messages that |
| users will see intermittently. Some of these notices are informational |
| while others are messages concerning the stability of the channel. |
| |
| """ |
| ) |
| epilog = dals( |
| """ |
| Examples:: |
| |
| conda notices |
| |
| conda notices -c defaults |
| |
| """ |
| ) |
|
|
| p = sub_parsers.add_parser( |
| "notices", |
| help=summary, |
| description=description, |
| epilog=epilog, |
| **kwargs, |
| ) |
| add_parser_channels(p) |
| add_parser_json(p) |
|
|
| p.set_defaults(func="conda.cli.main_notices.execute") |
|
|
| return p |
|
|
|
|
| def execute(args: Namespace, parser: ArgumentParser) -> int: |
| """Command that retrieves channel notifications, caches them and displays them.""" |
| from ..exceptions import CondaError |
| from ..notices import core as notices |
|
|
| try: |
| channel_notice_set = notices.retrieve_notices() |
| except OSError as exc: |
| raise CondaError(f"Unable to retrieve notices: {exc}") |
|
|
| notices.display_notices(channel_notice_set) |
|
|
| return 0 |
|
|
