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/
proc
/
self
/
root
/
opt
/
hc_python
/
lib64
/
python3.8
/
site-packages
/
virtualenv
/
run
/
plugin
/
Filename :
discovery.py
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from __future__ import annotations from .base import PluginLoader class Discovery(PluginLoader): """Discovery plugins.""" def get_discover(parser, args): discover_types = Discovery.entry_points_for("virtualenv.discovery") discovery_parser = parser.add_argument_group( title="discovery", description="discover and provide a target interpreter", ) choices = _get_default_discovery(discover_types) # prefer the builtin if present, otherwise fallback to first defined type choices = sorted(choices, key=lambda a: 0 if a == "builtin" else 1) discovery_parser.add_argument( "--discovery", choices=choices, default=next(iter(choices)), required=False, help="interpreter discovery method", ) options, _ = parser.parse_known_args(args) discover_class = discover_types[options.discovery] discover_class.add_parser_arguments(discovery_parser) options, _ = parser.parse_known_args(args, namespace=options) return discover_class(options) def _get_default_discovery(discover_types): return list(discover_types.keys()) __all__ = [ "Discovery", "get_discover", ]