bugfix
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109
README.md
109
README.md
@ -115,6 +115,24 @@
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* input_ctx / output_ctx
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* input_ctx / output_ctx
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* status
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* status
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input_ctx和output_ctx是jinja2模版的字符串,
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input_ctx使用流程实例上下文(ctx)作为数据来渲染,结果作为节点执行的输入字典
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output_ctx使用节点执行结果的字典数据作为数据来渲染,结果update到流程的ctx中
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实例节点有以下节点状态:
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* pending 创建后的初始状态
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* running 执行状态
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* done 执行成功状态
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* failed 执行失败状态
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* cancelled 取消状态
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状态变化:
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* pending 转running 如果节点没有join属性,则在下个循环直接转running, 并调用节点执行方法,记录开始执行时间
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* running zhuan done 节点执行成功,并记录完成时间
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* running 转 failed 节点执行失败, 并记录完成时间
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* pending 转 cancel 取消执行(手工或流程实例被取消)
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---
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---
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### 3.4 subflow_instance
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### 3.4 subflow_instance
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@ -123,8 +141,8 @@
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关键字段:
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关键字段:
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* parent_instance_id
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* instance_id
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* parent_node_id
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* node_id
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* child_instance_id
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* child_instance_id
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* status
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* status
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@ -147,9 +165,56 @@ nodes:
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end:
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end:
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type: end
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type: end
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task1:
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title: task1 title
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type: task
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description: desc
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input_ctx:["k1:g1", "k2.kk1:g2"] # 可选, 缺省使用流程实例的全部ctx
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output_ctx:["k1:ck1", "k2:ck2.x"] # 可选, 缺失全部输出更新到流程实例的ctx
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subflow1:
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title: subf
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type: subflow
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subflow_id: payment_flow_v2
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input_ctx:["k1:g1", "k2.kk1:g2"] # 可选, 缺省使用流程实例的全部ctx
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output_ctx:["k1:ck1", "k2:ck2.x"] # 可选, 子流程实例的ctx到本流程实例的缺失全部输出更新到流程实例的ctx
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humantask1:
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title: conform
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type: human
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description: desc
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input_ctx:["k1:g1", "k2.kk1:g2"] # 可选, 缺省使用流程实例的全部ctx
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output_ctx:["k1:ck1", "k2:ck2.x"] # 可选, 缺失全部输出更新到流程实例的ctx
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edges:
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edges:
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- from: start
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- from: start
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to: end
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to: end
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multile_on: ctx.charpter #
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when: ctx.x == 'xxx' # 可选,转移条件
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```
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### 流程定义节点数据要求
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除开始节点和结束节点外,所有节点都需要有
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```
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nodes:
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node1:
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type: # task, human, subflow之一
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title: # 标题
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description: # 节点描述
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input_ctx: # jinja2模版字典数据字符串,用ctx渲染,用于构造给节点任务的输入字典,可选, 缺省使用流程实例的ctx
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output_ctx: # jinja2模版字典数据字符串,用节点执行结果字典渲染,结果结果更新ctx, 可选, 缺失全部输出更新到流程实例的ctx
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```
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### join节点
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当一个节点中有join属性是为join节点,join 节点只有前置节点满足join条件是才能执行
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```
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nodes:
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end:
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type: end
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join:
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- all
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- some(5 or 80%)
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- xor
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- any
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```
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```
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---
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---
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@ -173,6 +238,15 @@ edges:
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### 4.3 并发(Fork / Join)
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### 4.3 并发(Fork / Join)
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#### 多实例节点
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根据上下文的数据如果是数组为每个数据建立一个节点实例
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```yaml
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edges:
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- from: gen_docs
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to: evalution_chapter
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multiple_on: ctx.docs.chapters
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```
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#### Fork(隐式)
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#### Fork(隐式)
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```yaml
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```yaml
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@ -183,18 +257,6 @@ edges:
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to: enrich
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to: enrich
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```
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```
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#### Join
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```yaml
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nodes:
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join:
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type: join
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wait_for:
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- validate
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- enrich
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```
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join 节点只有在所有依赖节点完成后才会继续。
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---
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---
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@ -224,7 +286,7 @@ nodes:
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1. 父流程第一次到达 subflow 节点:
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1. 父流程第一次到达 subflow 节点:
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* 创建子流程实例
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* 创建子流程实例
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* 根据 input mapping 构建子 ctx
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* 根据 input_ctx 构建子 ctx
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* 父流程阻塞在该节点
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* 父流程阻塞在该节点
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2. 子流程运行中:
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2. 子流程运行中:
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@ -233,25 +295,11 @@ nodes:
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3. 子流程完成:
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3. 子流程完成:
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* 根据 output mapping 合并 ctx
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* 根据 output_ctx 合并 ctx
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* 父流程继续流转
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* 父流程继续流转
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---
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---
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### 5.3 input / output mapping 原则
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* 子流程只能看到显式声明的输入
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* 父流程只接收显式声明的输出
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* ctx 不做隐式全量共享
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这样可以保证:
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* 数据边界清晰
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* 子流程可复用
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* 行为可审计
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---
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## 6. 执行模型
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## 6. 执行模型
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### 6.1 推进方式
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### 6.1 推进方式
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@ -298,7 +346,6 @@ status = finished
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* 失败补偿
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* 失败补偿
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* 超时 / 重试
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* 超时 / 重试
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* 表达式安全沙箱
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* 表达式安全沙箱
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* 人工任务
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---
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---
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15
SKILL.md
Normal file
15
SKILL.md
Normal file
@ -0,0 +1,15 @@
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---
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name: workflow-builder
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description: 根据用户输入创建工作流
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---
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# workflow-builder
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为用户输入的任务创建工作流, 生成dagflow能使用的工作流并将工作流插入到数据库中
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## 流程引擎
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流程引擎具体说明请看[README.md](README.md)
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## 新建流程
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用用户输入的剔除选择厂家的内容后的文本作为文生视频的输入文本来生成视频,使用方式:
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将用户输入拆解为流程引擎添加流程的json数据,然后调用以下函数
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```
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CALL:{ "function": "add_new_workflow", "params":{"name":流程名字,"dsl":YAML格式的符合上述流程规范的流程定义}
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```
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@ -13,6 +13,7 @@ Features:
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"""
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"""
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import asyncio
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import asyncio
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from appPublic.log import debug
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from appPublic.log import debug
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from appPublic.timeUtils import timestampstr
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from sqlor.dbpools import get_sor_context
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from sqlor.dbpools import get_sor_context
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# ---------------------------------------------------------------------
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# ---------------------------------------------------------------------
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@ -55,6 +56,8 @@ NODE_EXECUTION_TABLE = {
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{"name": "output_ctx", "type": "text"},
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{"name": "output_ctx", "type": "text"},
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{"name": "status", "type": "str", "length": 16},
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{"name": "status", "type": "str", "length": 16},
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{"name": "error", "type": "text"},
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{"name": "error", "type": "text"},
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{"name": "running_at", "type": "timestamp"},
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{"name": "stopping_at", "type": "timestamp"},
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{"name": "created_at", "type": "timestamp"}
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{"name": "created_at", "type": "timestamp"}
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]
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]
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}
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}
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@ -64,8 +67,8 @@ SUBFLOW_INSTANCE_TABLE = {
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"fields": [
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"fields": [
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{"name": "id", "type": "str", "length": 32, "nullable": "no"},
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{"name": "id", "type": "str", "length": 32, "nullable": "no"},
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{"name": "org_id", "type": "str", "length": 32},
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{"name": "org_id", "type": "str", "length": 32},
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{"name": "parent_instance_id", "type": "str", "length": 32},
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{"name": "instance_id", "type": "str", "length": 32},
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{"name": "parent_node_id", "type": "str", "length": 64},
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{"name": "node_id", "type": "str", "length": 64},
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{"name": "child_instance_id", "type": "str", "length": 32},
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{"name": "child_instance_id", "type": "str", "length": 32},
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{"name": "status", "type": "str", "length": 16},
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{"name": "status", "type": "str", "length": 16},
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{"name": "created_at", "type": "timestamp"}
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{"name": "created_at", "type": "timestamp"}
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@ -97,7 +100,26 @@ HUMAN_TASK_TABLE = {
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import yaml
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import yaml
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import json
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import json
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from ahserver.serverenv import ServerEnv
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from ahserver.serverenv import ServerEnv
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import re
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def extract_some_value(s):
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"""
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从 'some(100)' 或 'some(50%)' 中提取数值。
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Args:
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s (str): 输入的字符串
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Returns: float类型值, 小于1的小数点数字(%模式)或其他
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"""
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# 正则解释: 匹配 some( 后跟数字,然后是可选的 % 符号,最后是 )
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match = re.search(r'some\((\d+)(%)?\)', s)
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if match:
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value = float(match.group(1)) # 提取数字部分并转为整数
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unit = match.group(2) # 提取单位部分 (%)
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if unit == '%':
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return value / 100.0
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return value
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else:
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return None
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class FlowEngine:
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class FlowEngine:
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@ -201,24 +223,37 @@ class FlowEngine:
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})
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})
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next_nodes.add(node_id)
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next_nodes.add(node_id)
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continue
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continue
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if ntype == 'task':
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# -------- Normal node --------
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if node.get('join')
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await sor.C('node_execution', {
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await sor.C('node_execution', {
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'id': env.uuid(),
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'id': env.uuid(),
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'org_id': org_id,
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'org_id': org_id,
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'instance_id': instance_id,
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'instance_id': instance_id,
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'node_id': node_id,
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'node_id': node_id,
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'input_ctx': json.dumps(ctx),
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'input_ctx': json.dumps(ctx),
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'status': 'success'
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'status': 'pendding'
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})
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})
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for edge in dsl.get('edges', []):
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# ---- 如果节点状态在pending状态 ---
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if edge['from'] != node_id:
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if node['status'] == 'pending' and ntype != 'human':
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is_ok = await self.is_ok_to_start(sor, node, inst)
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if is_ok:
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await self.start_running(sor, node)
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continue
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continue
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cond = edge.get('when')
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# -------- Normal node --------
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if cond and not eval(cond, {}, {'ctx': ctx}):
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"""
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continue
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await sor.C('node_execution', {
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next_nodes.add(edge['to'])
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'id': env.uuid(),
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'org_id': org_id,
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'instance_id': instance_id,
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'node_id': node_id,
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'input_ctx': json.dumps(ctx),
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'status': 'pendding'
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})
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"""
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if nstatus == 'done' or nstatus == 'failed':
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n_nodes = await self.node_transfer(node, dsl)
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next_nodes += n_nodes
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if next_nodes and all(dsl['nodes'][n]['type'] == 'end' for n in next_nodes):
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if next_nodes and all(dsl['nodes'][n]['type'] == 'end' for n in next_nodes):
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await sor.U('flow_instance', {
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await sor.U('flow_instance', {
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@ -236,6 +271,93 @@ class FlowEngine:
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# Human task APIs
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# Human task APIs
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# ------------------------------
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# ------------------------------
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async def node_transfer(self, node):
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if node['status'] not in ['done', 'failed', 'cancel']:
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return
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nnode = []
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for edge in dsl.get('edges', []):
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if edge['from'] != node_id:
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continue
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cond = edge.get('when')
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if cond and not eval(cond, {}, {'ctx': ctx}):
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continue
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m_on = edge.get('multiple_on')
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ns = {
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'm_on': m_on,
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'ctx': ctx,
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'node': node
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}
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on_array = await self.get_multiple_array(m_on):
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for e in on_array:
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nnodes.add((edge['to'], str(e)))
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return nnodes
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async def is_ok_to_start(self, sor, node, edges, inst):
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join = node.get('join')
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if not join:
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return True
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if join == 'any':
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return True
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backnodes = [e['from'] for e in edges if e['to'] == node['id']]
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sql = """select * from node_execution
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where node_id in ${backnodes}$
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and instance_id = ${instance_id}$"""
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recs = sor.sqlExe(sql, {
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'backnodes': backnodes,
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'instance_id': inst['id']
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})
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if join == 'all':
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for r in recs:
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if r.status in ['pending', 'running']:
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return False
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return True
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if join == 'xor':
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backnodes = [id for id in backnodes if id != node['id']]
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sql = """update from node_execution
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set status = 'cancelled'
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where status in ['pending', 'running']
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and node_id in ${backnodes}$
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and instance_id = ${instance_id}$"""
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await sor.sqlExe(sql, {
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'backnodes': backnodes,
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'instance_id': inst['id']
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})
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return True
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some = extract_some_value(join):
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sql = """select * from node_transfer
|
||||||
|
where instance_id=${instance_id}$
|
||||||
|
and to_node_id = ${node_id}$"""
|
||||||
|
trecs = sor.sqlExe(sql, {
|
||||||
|
'node_id': node['id'],
|
||||||
|
'instance_id': inst['id']
|
||||||
|
})
|
||||||
|
if some >= 1 and some <= len(trecs):
|
||||||
|
return True
|
||||||
|
if some <= float(len(trecs))/float(len(recs)):
|
||||||
|
return True
|
||||||
|
return False
|
||||||
|
|
||||||
|
async def start_running(self, sor, node, edges, inst):
|
||||||
|
if self.is_ok_to_start(sor, node, edges, inst):
|
||||||
|
await sor.R('node_execution', {
|
||||||
|
'id': node['id'],
|
||||||
|
'status': 'running'
|
||||||
|
'running_time': })
|
||||||
|
try:
|
||||||
|
out = await self.run_auto_task(node)
|
||||||
|
sor.U('node_execution', {
|
||||||
|
'id': node['id'],
|
||||||
|
'status': 'done',
|
||||||
|
'stopping_at': timestampstr(),
|
||||||
|
'output_ctx': json.dumps(out, ensure_ascii=False)
|
||||||
|
})
|
||||||
|
except Exception as e:
|
||||||
|
sor.U('node_execution', {
|
||||||
|
'id': node['id'],
|
||||||
|
'status': 'failed',
|
||||||
|
'stopping_at': timestampstr()
|
||||||
|
}
|
||||||
|
|
||||||
async def list_human_tasks(self, org_id, user_roles):
|
async def list_human_tasks(self, org_id, user_roles):
|
||||||
env = ServerEnv()
|
env = ServerEnv()
|
||||||
async with get_sor_context(env, 'dagflow') as sor:
|
async with get_sor_context(env, 'dagflow') as sor:
|
||||||
@ -278,3 +400,6 @@ class FlowEngine:
|
|||||||
'ctx': json.dumps(ctx)
|
'ctx': json.dumps(ctx)
|
||||||
})
|
})
|
||||||
|
|
||||||
|
async def add_new_workflow(request, params_kw={}):
|
||||||
|
arams_kw.name
|
||||||
|
params_kw.dsl
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user