2026-07-03 08:53:56 +08:00
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from pydantic import BaseModel, Field
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from zhenxun.services.ai.core.models import ModelDetail
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class DebugLogOptions(BaseModel):
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"""调试日志细粒度控制选项"""
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show_tools: bool = True
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"""是否在日志中显示工具定义 (JSON Schema)"""
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show_schema: bool = True
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"""是否在日志中显示结构化输出 Schema (response_format)"""
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show_safety: bool = True
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"""是否在日志中显示安全设置 (safetySettings)"""
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def __bool__(self) -> bool:
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return self.show_tools or self.show_schema or self.show_safety
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class ClientSettings(BaseModel):
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"""LLM 客户端底层网络与重试设置"""
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timeout: int = 300
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"""API 请求超时时间 (秒)"""
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max_retries: int = 3
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"""请求失败时的最大重试次数"""
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retry_delay: int = 2
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"""请求重试的基础延迟时间 (秒)"""
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structured_retries: int = 2
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"""结构化生成校验失败时的最大重试次数 (IVR)"""
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class LLMSummaryConfig(BaseModel):
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"""LLM 自然语言总结压缩策略配置"""
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enable: bool = True
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"""是否开启大模型对话总结以压缩上下文"""
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trigger_threshold: float = 0.8
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"""触发压缩的 Token 阈值。<=1.0 为比例,>1.0 为绝对 Token 数"""
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max_history_turns: int = 0
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"""触发压缩的最大历史对话轮数。设为 0 表示不限制轮数(仅受 Token 阈值控制)。"""
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summarization_model: str | None = "DeepSeek/deepseek-v4-flash"
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"""指定用于执行总结任务的大模型名称,为空则使用全局默认"""
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summarization_prompt: str = (
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"请以客观、精炼的语言概括以下对话内容。重点保留:"
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"1. 核心讨论话题及重要决定;"
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"2. 用户的个性特征、核心偏好、提及的生活背景或特殊设定;"
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"3. 双方互动的温度与情感基调。无需保留寒暄等客套话。"
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)
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"""指导大模型进行总结的系统提示词"""
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keep_recent_turns: int = 3
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"""在总结之外,强制原样保留的最近对话轮数"""
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class ToolPruningConfig(BaseModel):
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"""工具结果修剪策略配置"""
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enable: bool = False
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"""是否开启长工具输出结果的自动修剪"""
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trigger_threshold: float = 0.6
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"""触发修剪的工具纯 Token 阈值。<=1.0 为比例,>1.0 为绝对 Token 数"""
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max_history_turns: int = 15
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"""触发修剪的最大工具消息轮数。设为 0 表示不限制轮数。"""
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keep_recent_turns: int = 3
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"""修剪时强制原样保留的最新的工具消息轮数,确保当下反思不受影响"""
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class ContextManagementSettings(BaseModel):
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"""智能上下文管理与压缩算法设置"""
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llm_summary: LLMSummaryConfig = Field(default_factory=LLMSummaryConfig)
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"""大模型自然语言总结策略"""
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vision_window_size: int = Field(default=3)
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"""多模态滑动窗口大小。0表示无限制,>0表示仅保留最近N轮包含多模态真实数据的消息,超龄则自动降级为占位符"""
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tool_pruning: ToolPruningConfig = Field(default_factory=ToolPruningConfig)
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"""工具结果过载修剪策略"""
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class GeminiProviderSettings(BaseModel):
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"""Gemini 厂商专属高级配置"""
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safety_threshold: str = Field(default="BLOCK_NONE")
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"""Gemini 安全过滤阈值 (BLOCK_LOW_AND_ABOVE, BLOCK_MEDIUM_AND_ABOVE,
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BLOCK_ONLY_HIGH, BLOCK_NONE)"""
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allow_mixed_tools: bool = Field(default=False)
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"""是否允许同时混合使用本地自定义工具和厂商云端内置工具"""
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class ProviderSettingsGroup(BaseModel):
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"""按厂商划分的高级专属设置组"""
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gemini: GeminiProviderSettings = Field(default_factory=GeminiProviderSettings)
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"""Gemini 相关专属配置"""
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class ProviderConfig(BaseModel):
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"""LLM 服务提供商 (接口方) 配置模型"""
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name: str
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"""提供商唯一标识名称"""
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api_key: str | list[str]
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"""API 密钥或密钥列表 (支持轮询)"""
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api_base: str | None = None
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"""API 基础 URL 路径"""
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api_type: str = "openai"
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"""API 协议类型 (openai/gemini/zhipu/etc.)"""
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2026-07-10 09:14:06 +08:00
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temperature: float | None = None
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2026-07-03 08:53:56 +08:00
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"""该提供商下模型的默认温度"""
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2026-07-10 09:14:06 +08:00
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max_output_tokens: int | None = None
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2026-07-03 08:53:56 +08:00
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"""该提供商下模型的默认最大输出限制"""
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models: list[ModelDetail]
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"""该提供商提供的具体模型列表"""
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timeout: int = 180
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"""针对该提供商的特定超时时间"""
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class DefaultModelsConfig(BaseModel):
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"""按任务分类的默认模型配置"""
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chat: str | None = Field(default="Gemini/gemini-3.5-flash")
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embedding: str | None = Field(default="Gemini/gemini-embedding-2")
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tts: str | None = Field(default="Gemini/gemini-3.1-flash-tts-preview")
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image: str | None = Field(default="Gemini/gemini-2.5-flash-image")
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rerank: str | None = Field(default="siliconflow/BAAI/bge-reranker-v2-m3")
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class AgentEngineSettings(BaseModel):
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"""全局默认的 Agent 推理引擎配置"""
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max_cycles: int = 10
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"""工具调用最大循环次数"""
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global_max_cycles: int = 30
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"""整个会话生命周期内(跨嵌套智能体)的大模型绝对循环次数上限,用于防死循环"""
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enable_parallel_calls: bool = True
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"""允许并行工具调用"""
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reflexion_retries: int = 1
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"""反思重试次数"""
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enable_fallback_summary: bool = True
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"""达到最大循环次数时,是否触发大模型兜底总结(而不是直接报错)"""
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enable_hitl: bool = False
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"""是否允许智能体主动挂起任务,向用户求助 (Human-in-the-Loop)"""
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mcp_cleanup_timeout: int = 900
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"""MCP 服务自动清理的闲置超时时间(秒)。0表示关闭自动清理机制(永久驻留)"""
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class SandboxSettings(BaseModel):
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"""沙箱底层基础设施环境配置"""
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enable_sandbox: bool = Field(default=False)
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"""全局沙箱功能硬开关。关闭后将彻底不加载沙箱底层驱动(如 Docker),
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极大提升冷启动速度。"""
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sandbox_type: str = Field(default="docker")
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"""沙箱底层驱动类型: docker 等"""
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docker_image: str = Field(default="zhenxun-sandbox:latest")
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"""Docker 沙箱使用的镜像名称 (自定义 Jupyter 增强版)"""
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cleanup_timeout: int = Field(default=1800)
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"""沙箱自动清理的闲置超时时间(秒)。0表示关闭,不自动清理"""
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enable_vfs_helper: bool = Field(default=True)
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"""是否开启 VFS 路径逃逸防范探针,默认开启。遇到兼容性问题时可关闭"""
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class LLMConfig(BaseModel):
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"""AI 模块全局持久化配置总模型"""
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default_models: DefaultModelsConfig = Field(default_factory=DefaultModelsConfig)
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"""全局按任务分类的默认模型路由表"""
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client_settings: ClientSettings = Field(default_factory=ClientSettings)
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"""客户端通用连接配置"""
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providers: list[ProviderConfig] = Field(default_factory=list)
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"""已配置的提供商列表"""
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debug_log: DebugLogOptions = Field(default_factory=DebugLogOptions)
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"""日志调试开关配置"""
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context_settings: ContextManagementSettings = Field(
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default_factory=ContextManagementSettings
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)
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"""上下文管理相关配置"""
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model_groups: dict[str, list[str]] = Field(
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default_factory=lambda: {
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"cheap_models": [
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"Gemini/gemini-3.5-flash",
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"Doubao/doubao-seed-1-6-250615",
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],
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}
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)
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"""虚拟模型路由组配置 (Virtual Router Groups)"""
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agent_settings: AgentEngineSettings = Field(default_factory=AgentEngineSettings)
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"""Agent 执行引擎层核心默认参数配置"""
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sandbox: SandboxSettings = Field(default_factory=SandboxSettings)
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"""沙箱基础设施环境相关配置"""
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provider_settings: ProviderSettingsGroup = Field(
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default_factory=ProviderSettingsGroup
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)
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"""按厂商划分的专属高级全局开关与策略"""
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def validate_model_name(self, provider_model_name: str) -> bool:
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"""验证模型名称在当前配置中是否存在"""
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if "/" not in provider_model_name:
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return provider_model_name.strip() in self.model_groups
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if not provider_model_name or "/" not in provider_model_name:
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return False
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parts = provider_model_name.split("/", 1)
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p_name, m_name = parts[0], parts[1]
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for p in self.providers:
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if p.name == p_name:
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for m in p.models:
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if m.model_name == m_name:
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return True
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return False
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