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| <link rel="modulepreload" href="/docs/diffusers/pr_12262/zh/_app/immutable/chunks/getInferenceSnippets.7d64e4c6.js"><!-- HEAD_svelte-u9bgzb_START --><meta name="hf:doc:metadata" content="{"title":"LoopSequentialPipelineBlocks","local":"loopsequentialpipelineblocks","sections":[{"title":"循环包装器","local":"循环包装器","sections":[],"depth":2},{"title":"循环块","local":"循环块","sections":[],"depth":2},{"title":"LoopSequentialPipelineBlocks","local":"loopsequentialpipelineblocks","sections":[],"depth":2}],"depth":1}"><!-- HEAD_svelte-u9bgzb_END --> <p></p> <h1 class="relative group"><a id="loopsequentialpipelineblocks" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#loopsequentialpipelineblocks"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>LoopSequentialPipelineBlocks</span></h1> <p data-svelte-h="svelte-1nq98f"><code>LoopSequentialPipelineBlocks</code> 是一种多块类型，它将其他 <code>ModularPipelineBlocks</code> 以循环方式组合在一起。数据循环流动，使用 <code>intermediate_inputs</code> 和 <code>intermediate_outputs</code>，并且每个块都是迭代运行的。这通常用于创建一个默认是迭代的去噪循环。</p> <p data-svelte-h="svelte-w57vj0">本指南向您展示如何创建 <code>LoopSequentialPipelineBlocks</code>。</p> <h2 class="relative group"><a id="循环包装器" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#循环包装器"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>循环包装器</span></h2> <p data-svelte-h="svelte-dkpdu7"><code>LoopSequentialPipelineBlocks</code>，也被称为 <em>循环包装器</em>，因为它定义了循环结构、迭代变量和配置。在循环包装器内，您需要以下变量。</p> <ul data-svelte-h="svelte-b3mxxd"><li><code>loop_inputs</code> 是用户提供的值，等同于 <code>inputs</code>。</li> <li><code>loop_intermediate_inputs</code> 是来自 <code>PipelineState</code> 的中间变量，等同于 <code>~modular_pipelines.ModularPipelineBlocks.intermediate_inputs</code>。</li> <li><code>loop_intermediate_outputs</code> 是由块创建并添加到 <code>PipelineState</code> 的新中间变量。它等同于 <code>intermediate_outputs</code>。</li> <li><code>__call__</code> 方法定义了循环结构和迭代逻辑。</li></ul> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START --><span class="hljs-keyword">import</span> torch | |
| <span class="hljs-keyword">from</span> diffusers.modular_pipelines <span class="hljs-keyword">import</span> LoopSequentialPipelineBlocks, ModularPipelineBlocks, InputParam, OutputParam | |
| <span class="hljs-keyword">class</span> <span class="hljs-title class_">LoopWrapper</span>(<span class="hljs-title class_ inherited__">LoopSequentialPipelineBlocks</span>): | |
| model_name = <span class="hljs-string">"test"</span> | |
| <span class="hljs-meta"> @property</span> | |
| <span class="hljs-keyword">def</span> <span class="hljs-title function_">description</span>(<span class="hljs-params">self</span>): | |
| <span class="hljs-keyword">return</span> <span class="hljs-string">"I'm a loop!!"</span> | |
| <span class="hljs-meta"> @property</span> | |
| <span class="hljs-keyword">def</span> <span class="hljs-title function_">loop_inputs</span>(<span class="hljs-params">self</span>): | |
| <span class="hljs-keyword">return</span> [InputParam(name=<span class="hljs-string">"num_steps"</span>)] | |
| <span class="hljs-meta"> @torch.no_grad()</span> | |
| <span class="hljs-keyword">def</span> <span class="hljs-title function_">__call__</span>(<span class="hljs-params">self, components, state</span>): | |
| block_state = self.get_block_state(state) | |
| <span class="hljs-comment"># 循环结构 - 可以根据您的需求定制</span> | |
| <span class="hljs-keyword">for</span> i <span class="hljs-keyword">in</span> <span class="hljs-built_in">range</span>(block_state.num_steps): | |
| <span class="hljs-comment"># loop_step 按顺序执行所有注册的块</span> | |
| components, block_state = self.loop_step(components, block_state, i=i) | |
| self.set_block_state(state, block_state) | |
| <span class="hljs-keyword">return</span> components, state<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-ei0hxj">循环包装器可以传递额外的参数，如当前迭代索引，到循环块。</p> <h2 class="relative group"><a id="循环块" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#循环块"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>循环块</span></h2> <p data-svelte-h="svelte-1xvtemk">循环块是一个 <code>ModularPipelineBlocks</code>，但 <code>__call__</code> 方法的行为不同。</p> <ul data-svelte-h="svelte-ncxq9e"><li>它从循环包装器。</li> <li>它直接与<code>BlockState</code>一起工作，而不是<code>PipelineState</code>。</li> <li>它不需要检索或更新<code>BlockState</code>。</li></ul> <p data-svelte-h="svelte-1mh9h4f">循环块共享相同的<code>BlockState</code>，以允许值在循环的每次迭代中累积和变化。</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START --><span class="hljs-keyword">class</span> <span class="hljs-title class_">LoopBlock</span>(<span class="hljs-title class_ inherited__">ModularPipelineBlocks</span>): | |
| model_name = <span class="hljs-string">"test"</span> | |
| <span class="hljs-meta"> @property</span> | |
| <span class="hljs-keyword">def</span> <span class="hljs-title function_">inputs</span>(<span class="hljs-params">self</span>): | |
| <span class="hljs-keyword">return</span> [InputParam(name=<span class="hljs-string">"x"</span>)] | |
| <span class="hljs-meta"> @property</span> | |
| <span class="hljs-keyword">def</span> <span class="hljs-title function_">intermediate_outputs</span>(<span class="hljs-params">self</span>): | |
| <span class="hljs-comment"># 这个块产生的输出</span> | |
| <span class="hljs-keyword">return</span> [OutputParam(name=<span class="hljs-string">"x"</span>)] | |
| <span class="hljs-meta"> @property</span> | |
| <span class="hljs-keyword">def</span> <span class="hljs-title function_">description</span>(<span class="hljs-params">self</span>): | |
| <span class="hljs-keyword">return</span> <span class="hljs-string">"我是一个在`LoopWrapper`类内部使用的块"</span> | |
| <span class="hljs-keyword">def</span> <span class="hljs-title function_">__call__</span>(<span class="hljs-params">self, components, block_state, i: <span class="hljs-built_in">int</span></span>): | |
| block_state.x += <span class="hljs-number">1</span> | |
| <span class="hljs-keyword">return</span> components, block_state<!-- HTML_TAG_END --></pre></div> <h2 class="relative group"><a id="loopsequentialpipelineblocks" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#loopsequentialpipelineblocks"><span><svg class="" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg></span></a> <span>LoopSequentialPipelineBlocks</span></h2> <p data-svelte-h="svelte-otwhdq">使用<code>from_blocks_dict()</code>方法将循环块添加到循环包装器中，以创建<code>LoopSequentialPipelineBlocks</code>。</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START -->loop = LoopWrapper.from_blocks_dict({<span class="hljs-string">"block1"</span>: LoopBlock})<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-arh6gb">添加更多的循环块以在每次迭代中运行，使用<code>from_blocks_dict()</code>。这允许您在不改变循环逻辑本身的情况下修改块。</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg class="" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg> <div class="absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0"><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent; "></div> Copied</div></button></div> <pre class=""><!-- HTML_TAG_START -->loop = LoopWrapper.from_blocks_dict({<span class="hljs-string">"block1"</span>: LoopBlock(), <span class="hljs-string">"block2"</span>: LoopBlock})<!-- HTML_TAG_END --></pre></div> <a class="!text-gray-400 !no-underline text-sm flex items-center not-prose mt-4" href="https://github.com/huggingface/diffusers/blob/main/docs/source/zh/modular_diffusers/loop_sequential_pipeline_blocks.md" target="_blank"><span data-svelte-h="svelte-1kd6by1"><</span> <span data-svelte-h="svelte-x0xyl0">></span> <span data-svelte-h="svelte-1dajgef"><span class="underline ml-1.5">Update</span> on GitHub</span></a> <p></p> | |
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