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zachary62 2025-02-02 22:30:18 +00:00
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7
docs/flow.md
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@ -100,6 +100,13 @@ A **Flow** can act like a Node, which enables powerful composition patterns. Thi
2. Combine multiple smaller Flows into a larger Flow for reuse. 2. Combine multiple smaller Flows into a larger Flow for reuse.
3. Node `params` will be a merging of **all** parents' `params`. 3. Node `params` will be a merging of **all** parents' `params`.
> While **Flow** is also a **Node**, it won't run `exec()`.
>
> It will run `prep()` and `post()`, before and after calling the nodes within the flow.
>
> However, `post()` always receives None for exec_res, and should instead get the flow execution results from the shared store.
{: .warning }
### Basic Flow Nesting ### Basic Flow Nesting
Here's how to connect a flow to another node: Here's how to connect a flow to another node:

2
pocketflow/__init__.py
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@ -34,7 +34,7 @@ class Node(BaseNode):
if self.wait>0: time.sleep(self.wait) if self.wait>0: time.sleep(self.wait)
class BatchNode(Node): class BatchNode(Node):
def _exec(self,items): return [super(BatchNode,self)._exec(i) for i in items] def _exec(self,items): return [super(BatchNode,self)._exec(i) for i in (items or [])]
class Flow(BaseNode): class Flow(BaseNode):
def __init__(self,start): super().__init__();self.start=start def __init__(self,start): super().__init__();self.start=start