mirror of
https://github.com/Benexl/FastAnime.git
synced 2025-12-25 12:24:52 -08:00
117 lines
4.0 KiB
Python
117 lines
4.0 KiB
Python
import configparser
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import json
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from pathlib import Path
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from typing import Dict
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import click
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from pydantic import ValidationError
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from ...core.config import AppConfig
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from ...core.constants import USER_CONFIG_PATH
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from ...core.exceptions import ConfigError
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class ConfigLoader:
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"""
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Handles loading the application configuration from an .ini file.
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It ensures a default configuration exists, reads the .ini file,
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and uses Pydantic to parse and validate the data into a type-safe
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AppConfig object.
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"""
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def __init__(self, config_path: Path = USER_CONFIG_PATH):
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"""
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Initializes the loader with the path to the configuration file.
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Args:
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config_path: The path to the user's config.ini file.
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"""
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self.config_path = config_path
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self.parser = configparser.ConfigParser(
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interpolation=None,
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# Allow boolean values without a corresponding value (e.g., `enabled` vs `enabled = true`)
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allow_no_value=True,
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# Behave like a dictionary, preserving case sensitivity of keys
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dict_type=dict,
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)
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def _handle_first_run(self) -> AppConfig:
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"""Handles the configuration process when no config file is found."""
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click.echo(
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"[bold yellow]Welcome to FastAnime![/bold yellow] No configuration file found."
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)
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from InquirerPy import inquirer
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from .editor import InteractiveConfigEditor
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from .generate import generate_config_ini_from_app_model
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choice = inquirer.select( # type: ignore
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message="How would you like to proceed?",
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choices=[
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"Use default settings (Recommended for new users)",
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"Configure settings interactively",
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],
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default="Use default settings (Recommended for new users)",
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).execute()
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if "interactively" in choice:
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editor = InteractiveConfigEditor(AppConfig())
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app_config = editor.run()
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else:
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app_config = AppConfig()
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config_ini_content = generate_config_ini_from_app_model(app_config)
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try:
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self.config_path.parent.mkdir(parents=True, exist_ok=True)
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self.config_path.write_text(config_ini_content, encoding="utf-8")
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click.echo(
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f"Configuration file created at: [green]{self.config_path}[/green]"
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)
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except Exception as e:
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raise ConfigError(
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f"Could not create configuration file at {self.config_path!s}. Please check permissions. Error: {e}",
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)
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return app_config
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def load(self, update: Dict = {}) -> AppConfig:
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"""
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Loads the configuration and returns a populated, validated AppConfig object.
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Returns:
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An instance of AppConfig with values from the user's .ini file.
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Raises:
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click.ClickException: If the configuration file contains validation errors.
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"""
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if not self.config_path.exists():
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return self._handle_first_run()
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try:
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self.parser.read(self.config_path, encoding="utf-8")
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except configparser.Error as e:
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raise ConfigError(
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f"Error parsing configuration file '{self.config_path}':\n{e}"
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)
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# Convert the configparser object into a nested dictionary that mirrors
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# the structure of our AppConfig Pydantic model.
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config_dict = {
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section: dict(self.parser.items(section))
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for section in self.parser.sections()
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}
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if update:
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for key in config_dict:
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if key in update:
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config_dict[key].update(update[key])
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try:
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app_config = AppConfig.model_validate(config_dict)
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return app_config
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except ValidationError as e:
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error_message = (
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f"Configuration error in '{self.config_path}'!\n"
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f"Please correct the following issues:\n\n{e}"
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)
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raise ConfigError(error_message)
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