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# Copyright (C) 2012 Anaconda, Inc
# SPDX-License-Identifier: BSD-3-Clause
"""
Handles plugin configuration functionality including:
- Managing plugin-specific settings
- Processing configuration data from various sources
- Dynamically adding and removing plugin settings
- Providing a standardized interface for plugins to access their configurations
"""
from __future__ import annotations
from collections import defaultdict
from collections.abc import Mapping
from typing import TYPE_CHECKING
from ..common.configuration import (
Configuration,
EnvRawParameter,
ParameterLoader,
)
if TYPE_CHECKING:
from pathlib import Path
from typing import Any
from ..common.configuration import Parameter, RawParameter
class PluginConfig(Configuration):
"""
Class used to hold settings for conda plugins.
The object created by this class should only be accessed via
:class:`conda.base.context.Context.plugins`.
When this class is updated via the :func:`add_plugin_setting` function it adds new setting
properties which can be accessed later via the context object.
We currently call that function in
:meth:`conda.plugins.manager.CondaPluginManager.load_settings`.
because ``CondaPluginManager`` has access to all registered plugin settings via the settings
plugin hook.
"""
parameter_names: tuple[str, ...] = ()
parameter_names_and_aliases: tuple[str, ...] = ()
@classmethod
def add_plugin_setting(
cls, name: str, parameter: Parameter, aliases: tuple[str, ...] = ()
):
"""
Adds a setting to the :class:`PluginConfig` class
"""
cls.parameter_names = (*cls.parameter_names, name)
loader = ParameterLoader(parameter, aliases=aliases)
name = loader._set_name(name)
setattr(cls, name, loader)
# Rebuild parameter_names_and_aliases to include the new parameter
cls._set_parameter_names_and_aliases()
@classmethod
def remove_all_plugin_settings(cls) -> None:
"""
Removes all attached settings from the :class:`PluginConfig` class
"""
for name in cls.parameter_names:
try:
delattr(cls, name)
except AttributeError:
continue
cls.parameter_names = tuple()
def __init__(self, data):
self._cache_ = {}
self._data = data
@property
def raw_data(self) -> dict[Path, dict[str, RawParameter]]:
"""
This is used to move everything under the key "plugins" from the provided dictionary
to the top level of the returned dictionary. The returned dictionary is then passed
to :class:`PluginConfig`.
"""
new_data = defaultdict(dict)
for source, config in self._data.items():
if plugin_data := config.get("plugins"):
plugin_data_value = plugin_data.value(None)
if not isinstance(plugin_data_value, Mapping):
continue
for param_name, raw_param in plugin_data_value.items():
new_data[source][param_name] = raw_param
elif source == EnvRawParameter.source:
for env_var, raw_param in config.items():
if env_var.startswith("plugins_"):
_, param_name = env_var.split("plugins_")
new_data[source][param_name] = raw_param
return new_data
@property
def category_map(self) -> dict[str, tuple[str, ...]]:
return {"Additional settings provided by plugins": self.parameter_names}
def get_descriptions(self) -> dict[str, str]:
from ..base.context import context
return {
name: setting.description
for name, setting in context.plugin_manager.get_settings().items()
}
def describe_parameter(self, parameter_name) -> dict[str, Any]:
"""
Returns the description of a parameter.
We add to this method in order to change the "name" key that is returned to prepend "plugins."
to it.
"""
description = super().describe_parameter(parameter_name)
description["name"] = f"plugins.{description['name']}"
return description