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412 lines
13 KiB
Markdown
412 lines
13 KiB
Markdown
# MoviePilot V2 插件开发指南
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本指南详细介绍了如何开发适用于MoviePilot V2版本的插件，并实现插件的多版本兼容性。包括服务封装类的使用示例，帮助开发者快速升级插件至V2版本。
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## 1. 多版本插件开发与兼容性
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### 1.1 开发V2版本的插件
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要开发适用于MoviePilot V2版本的插件，并实现多版本兼容性，请按照以下步骤操作：
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1. **目录结构调整**：
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- 将插件代码放置在`plugins.v2`文件夹中。
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- 将插件的定义放置在`package.v2.json`中，以实现该插件仅在MoviePilot V2版本中可见。
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2. **插件定义示例**：
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```json
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{
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"CustomSites": {
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"name": "自定义站点",
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"description": "增加自定义站点为签到和统计使用。",
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"labels": "站点",
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"version": "1.0",
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"icon": "world.png",
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"author": "lightolly",
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"level": 2
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}
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}
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```
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3. **版本判断**：
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- MoviePilot V2中 Settings 模块新增了`VERSION_FLAG`属性，V2版本值为`v2`，可通过以下代码判断当前的版本，以便在插件中兼容处理：
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```python
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from app.core.config import settings
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if hasattr(settings, 'VERSION_FLAG'):
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version = settings.VERSION_FLAG # V2
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else:
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version = "v1"
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```
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### 1.2 实现插件多版本兼容
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如果V1版本插件在V2版本中实际可用，或在插件中主动兼容了V1和V2版本，则可以在`package.json`中定义 `"v2": true`属性，以便在MoviePilot V2版本插件市场中显示。
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```json
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{
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"CustomSites": {
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"name": "自定义站点",
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"description": "增加自定义站点为签到和统计使用。",
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"labels": "站点",
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"version": "1.0",
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"icon": "world.png",
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"author": "lightolly",
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"level": 2,
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"v2": true
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}
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}
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```
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- **目录结构示例**：
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```
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plugins/
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├── customsites/
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│ ├── __init__.py
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│ └── ...
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plugins.v2/
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├── customsites/
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│ ├── __init__.py
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│ └── ...
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package.json
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package.v2.json
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```
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- **插件代码中实现版本兼容**：
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在插件代码中，可以根据`version`变量执行不同的逻辑，以适应不同的MoviePilot版本。
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```python
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from app.core.config import settings
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class MyPlugin:
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def init_plugin(self, config: dict = None):
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if hasattr(settings, 'VERSION_FLAG'):
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version = settings.VERSION_FLAG # V2
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else:
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version = "v1"
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if version == "v2":
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self.setup_v2()
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else:
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self.setup_v1()
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def setup_v2(self):
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# V2版本特有的初始化逻辑
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pass
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def setup_v1(self):
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# V1版本特有的初始化逻辑
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pass
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```
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## 2. 服务封装与使用示例
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为了插件调用并共享实例，主程序针对几种服务进行了封装。以下是相关实现及如何在插件中使用这些封装的详细说明，帮助开发者快速将插件从V1升级到V2。
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### 2.1 服务封装类介绍
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#### `ServiceInfo`
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`ServiceInfo` 是一个数据类，用于封装服务的相关信息。
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```python
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from dataclasses import dataclass
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from typing import Optional, Any
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@dataclass
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class ServiceInfo:
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"""
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封装服务相关信息的数据类
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"""
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# 名称
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name: Optional[str] = None
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# 实例
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instance: Optional[Any] = None
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# 模块
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module: Optional[Any] = None
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# 类型
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type: Optional[str] = None
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# 配置
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config: Optional[Any] = None
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```
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#### `ServiceBaseHelper`
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`ServiceBaseHelper` 是一个通用的服务帮助类，提供了获取配置和服务实例的通用逻辑。
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```python
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from typing import Dict, List, Optional, Type, TypeVar, Generic, Iterator
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from app.core.module import ModuleManager
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from app.helper.serviceconfig import ServiceConfigHelper
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from app.schemas import ServiceInfo
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from app.schemas.types import SystemConfigKey
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TConf = TypeVar("TConf")
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class ServiceBaseHelper(Generic[TConf]):
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"""
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通用服务帮助类，抽象获取配置和服务实例的通用逻辑
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"""
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def __init__(self, config_key: SystemConfigKey, conf_type: Type[TConf], modules: List[str]):
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self.modulemanager = ModuleManager()
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self.config_key = config_key
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self.conf_type = conf_type
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self.modules = modules
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def get_configs(self, include_disabled: bool = False) -> Dict[str, TConf]:
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"""
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获取配置列表
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"""
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configs: List[TConf] = ServiceConfigHelper.get_configs(self.config_key, self.conf_type)
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return {
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config.name: config
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for config in configs
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if (config.name and config.type and config.enabled) or include_disabled
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} if configs else {}
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def get_config(self, name: str) -> Optional[TConf]:
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"""
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获取指定名称配置
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"""
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if not name:
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return None
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configs = self.get_configs()
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return configs.get(name)
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def iterate_module_instances(self) -> Iterator[ServiceInfo]:
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"""
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迭代所有模块的实例及其对应的配置，返回 ServiceInfo 实例
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"""
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configs = self.get_configs()
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for module_name in self.modules:
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module = self.modulemanager.get_running_module(module_name)
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if not module:
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continue
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module_instances = module.get_instances()
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if not isinstance(module_instances, dict):
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continue
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for name, instance in module_instances.items():
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if not instance:
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continue
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config = configs.get(name)
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service_info = ServiceInfo(
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name=name,
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instance=instance,
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module=module,
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type=config.type if config else None,
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config=config
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)
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yield service_info
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def get_services(self, type_filter: Optional[str] = None) -> Dict[str, ServiceInfo]:
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"""
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获取服务信息列表，并根据类型过滤
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"""
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return {
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service_info.name: service_info
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for service_info in self.iterate_module_instances()
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if service_info.config and (type_filter is None or service_info.type == type_filter)
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}
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def get_service(self, name: str, type_filter: Optional[str] = None) -> Optional[ServiceInfo]:
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"""
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获取指定名称的服务信息，并根据类型过滤
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"""
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if not name:
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return None
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for service_info in self.iterate_module_instances():
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if service_info.name == name:
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if service_info.config and (type_filter is None or service_info.type == type_filter):
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return service_info
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return None
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```
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### 2.2 特定服务的帮助类
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以下是针对不同服务类型的帮助类，这些类继承自 `ServiceBaseHelper`，并预设了特定的配置。
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#### `DownloaderHelper`
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用于管理下载器服务。
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```python
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from app.helper.servicebase import ServiceBaseHelper
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from app.schemas import DownloaderConf
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from app.schemas.types import SystemConfigKey
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class DownloaderHelper(ServiceBaseHelper[DownloaderConf]):
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"""
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下载器帮助类
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"""
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def init_plugin(self, config: dict = None):
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super().__init__(
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config_key=SystemConfigKey.Downloaders,
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conf_type=DownloaderConf,
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modules=["QbittorrentModule", "TransmissionModule"]
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)
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```
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#### `MediaServerHelper`
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用于管理媒体服务器服务。
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```python
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from app.helper.servicebase import ServiceBaseHelper
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from app.schemas import MediaServerConf
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from app.schemas.types import SystemConfigKey
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class MediaServerHelper(ServiceBaseHelper[MediaServerConf]):
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"""
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媒体服务器帮助类
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"""
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def init_plugin(self, config: dict = None):
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super().__init__(
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config_key=SystemConfigKey.MediaServers,
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conf_type=MediaServerConf,
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modules=["PlexModule", "EmbyModule", "JellyfinModule"]
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)
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```
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#### `NotificationHelper`
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用于管理消息通知服务。
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```python
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from app.helper.servicebase import ServiceBaseHelper
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from app.schemas import NotificationConf
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from app.schemas.types import SystemConfigKey
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class NotificationHelper(ServiceBaseHelper[NotificationConf]):
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"""
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消息通知帮助类
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"""
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def init_plugin(self, config: dict = None):
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super().__init__(
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config_key=SystemConfigKey.Notifications,
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conf_type=NotificationConf,
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modules=["WechatModule", "WebPushModule", "VoceChatModule", "TelegramModule", "SynologyChatModule", "SlackModule"]
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)
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```
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### 2.3 在插件中使用服务帮助类
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通过这些帮助类，插件可以方便地获取和管理各种服务。以下是具体的使用示例。
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#### 获取下载器选项
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插件可以通过 `DownloaderHelper` 获取所有可用的下载器配置，并生成选项列表供用户选择。
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```python
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# 假设在插件的某个类中
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from app.helper import DownloaderHelper
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class MyPlugin:
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def init_plugin(self, config: dict = None):
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self.downloaderhelper = DownloaderHelper()
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self.downloader_options = [
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{"title": config.name, "value": config.name}
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for config in self.downloaderhelper.get_configs().values()
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]
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```
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#### 获取特定下载器服务
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根据用户选择的下载器名称，插件可以获取对应的服务实例，并执行相应的操作。
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```python
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from typing import Optional, Union
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from app.helper import DownloaderHelper
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from app.modules import Transmission, Qbittorrent # 假设这些是具体的下载器类
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class MyPlugin:
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def init_plugin(self, config: dict = None):
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self.downloaderhelper = DownloaderHelper()
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self._downloader = None
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def set_downloader(self, downloader_name: str):
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self._downloader = self.downloaderhelper.get_service(name=downloader_name)
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def __get_downloader(self) -> Optional[Union[Transmission, Qbittorrent]]:
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"""
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获取下载器实例
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"""
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if not self._downloader:
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return None
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return self._downloader.instance
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def __get_downloader_type(self) -> Optional[str]:
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"""
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获取下载器类型
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"""
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if not self._downloader:
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return None
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return self._downloader.type
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def __is_qbittorrent(self) -> bool:
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"""
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判断下载器是否为 qbittorrent
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"""
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if not self._downloader:
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return False
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return self._downloader.type == "qbittorrent"
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def __is_transmission(self) -> bool:
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"""
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判断下载器是否为 transmission
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"""
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if not self._downloader:
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return False
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return self._downloader.type == "transmission"
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```
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#### 获取媒体服务器服务
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类似地，插件可以通过 `MediaServerHelper` 获取媒体服务器相关的服务信息。
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```python
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from app.helper import MediaServerHelper
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class MyPlugin:
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def init_plugin(self, config: dict = None):
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self.mediaserverhelper = MediaServerHelper()
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self.mediaserver_options = [
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{"title": config.name, "value": config.name}
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for config in self.mediaserverhelper.get_configs().values()
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]
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def get_media_server_instance(self, server_name: str):
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service_info = self.mediaserverhelper.get_service(name=server_name)
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if service_info:
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return service_info.instance
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return None
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```
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#### 获取消息通知服务
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通过 `NotificationHelper`，插件可以发送消息通知。
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```python
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from app.helper import NotificationHelper
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class MyPlugin:
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def init_plugin(self, config: dict = None):
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self.notificationhelper = NotificationHelper()
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def get_notify_service_instance(self, name: str, message: str):
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service_info = self.notificationhelper.get_service(name=name)
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if service_info:
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return service_info.instance
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return None
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```
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### 2.4 服务封装的优势
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- **统一管理**：通过 `ServiceBaseHelper`，不同类型的服务配置和实例管理变得统一和简洁。
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- **灵活扩展**：新增服务类型时，只需创建相应的帮助类，无需修改现有逻辑。
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- **便捷调用**：插件可以轻松获取所需的服务实例，简化了服务的调用过程。
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### 2.5 从V1升级到V2的注意事项
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- **使用帮助类**：尝试在插件中使用了新的服务帮助类，如 `DownloaderHelper`、`MediaServerHelper`、`NotificationHelper` 等，而不是直接操作服务实例。
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- **更新依赖**：检查并更新 `requirements.txt` 中的依赖，确保与V2的服务封装兼容。
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- **测试插件**：在V2环境中全面测试插件，确保所有服务调用正常工作。 |