import{s as re,o as ce,n as de}from"../chunks/scheduler.8c3d61f6.js";import{S as me,i as ue,g as o,s as n,r as x,A as Me,h as p,f as a,c as i,j as ie,u as k,x as c,k as oe,y as fe,a as s,v as C,d as E,t as H,w as A}from"../chunks/index.da70eac4.js";import{T as he}from"../chunks/Tip.1d9b8c37.js";import{C as pe}from"../chunks/CodeBlock.a9c4becf.js";import{H as be,E as je}from"../chunks/getInferenceSnippets.725ed3d4.js";function ye(P){let l,m="🧪 <strong>Experimental Feature</strong>: Modular Diffusers is an experimental feature we are actively developing. The API may be subject to breaking changes.";return{c(){l=o("p"),l.innerHTML=m},l(r){l=p(r,"P",{"data-svelte-h":!0}),c(l)!=="svelte-11qh5l3"&&(l.innerHTML=m)},m(r,g){s(r,l,g)},p:de,d(r){r&&a(l)}}}function $e(P){let l,m,r,g,u,L,d,Q,M,X="In Modular Diffusers, <code>PipelineState</code> and <code>BlockState</code> are the core data structures that enable blocks to communicate and share data. The concept is fundamental to understand how blocks interact with each other and the pipeline system.",J,f,q="In the modular diffusers system, <code>PipelineState</code> acts as the global state container that all pipeline blocks operate on. It maintains the complete runtime state of the pipeline and provides a structured way for blocks to read from and write to shared data.",Z,h,K="A <code>PipelineState</code> consists of two distinct states:",B,b,O="<li><p><strong>The immutable state</strong> (i.e. the <code>inputs</code> dict) contains a copy of values provided by users. Once a value is added to the immutable state, it cannot be changed. Blocks can read from the immutable state but cannot write to it.</p></li> <li><p><strong>The mutable state</strong> (i.e. the <code>intermediates</code> dict) contains variables that are passed between blocks and can be modified by them.</p></li>",z,j,ee="Here’s an example of what a <code>PipelineState</code> looks like:",W,y,I,$,te="Each pipeline blocks define what parts of that state they can read from and write to through their <code>inputs</code>, <code>intermediate_inputs</code>, and <code>intermediate_outputs</code> properties. At run time, they gets a local view (<code>BlockState</code>) of the relevant variables it needs from <code>PipelineState</code>, performs its operations, and then updates <code>PipelineState</code> with any changes.",G,_,ae="For example, if a block defines an input <code>image</code>, inside the block’s <code>__call__</code> method, the <code>BlockState</code> would contain:",F,w,V,v,se="You can access the variables directly as attributes: <code>block_state.image</code>.",R,T,le='We will explore more on how blocks interact with pipeline state through their <code>inputs</code>, <code>intermediate_inputs</code>, and <code>intermediate_outputs</code> properties, see the <a href="./pipeline_block.md">PipelineBlock guide</a>.',D,U,N,S,Y;return u=new be({props:{title:"PipelineState and BlockState",local:"pipelinestate-and-blockstate",headingTag:"h1"}}),d=new he({props:{warning:!0,$$slots:{default:[ye]},$$scope:{ctx:P}}}),y=new pe({props:{code:"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",highlighted:`PipelineState(
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    <span class="hljs-string">&#x27;prompt&#x27;</span>: <span class="hljs-string">&#x27;a cat&#x27;</span>
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)`,wrap:!1}}),w=new pe({props:{code:"QmxvY2tTdGF0ZSglMEElMjAlMjAlMjAlMjBpbWFnZSUzQSUyMCUzQ1BJTC5JbWFnZS5JbWFnZSUyMGltYWdlJTIwbW9kZSUzRFJHQiUyMHNpemUlM0Q1MTJ4NTEyJTIwYXQlMjAweDdGM0VDQzQ5NDY0MCUzRSUwQSk=",highlighted:`BlockState(
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