Buckets:
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| <link rel="modulepreload" href="/docs/diffusers/pr_12249/en/_app/immutable/chunks/HfOption.fad27e59.js"><!-- HEAD_svelte-u9bgzb_START --><meta name="hf:doc:metadata" content="{"title":"ModularPipeline","local":"modularpipeline","sections":[{"title":"Adding blocks","local":"adding-blocks","sections":[],"depth":2},{"title":"Creating a pipeline","local":"creating-a-pipeline","sections":[],"depth":2},{"title":"Loading components","local":"loading-components","sections":[{"title":"Component loading status","local":"component-loading-status","sections":[],"depth":3}],"depth":2},{"title":"Updating components","local":"updating-components","sections":[{"title":"Component extraction and modification","local":"component-extraction-and-modification","sections":[],"depth":3}],"depth":2},{"title":"Modular repository","local":"modular-repository","sections":[],"depth":2}],"depth":1}"><!-- HEAD_svelte-u9bgzb_END --> <p></p> <div class="items-center shrink-0 min-w-[100px] max-sm:min-w-[50px] justify-end ml-auto flex" style="float: right; margin-left: 10px; display: inline-flex; position: relative; z-index: 10;"><div class="inline-flex rounded-md max-sm:rounded-sm"><button class="inline-flex items-center gap-1 h-7 max-sm:h-7 px-2 max-sm:px-1.5 text-sm font-medium text-gray-800 border border-r-0 rounded-l-md max-sm:rounded-l-sm border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-live="polite"><span class="inline-flex items-center justify-center rounded-md p-0.5 max-sm:p-0 hover:text-gray-800 dark:hover:text-gray-200"><svg class="sm:size-3.5 size-3" 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></span> <span>Copy page</span></button> <button class="inline-flex items-center justify-center w-6 max-sm:w-5 h-7 max-sm:h-7 disabled:pointer-events-none text-sm text-gray-500 hover:text-gray-700 dark:hover:text-white rounded-r-md max-sm:rounded-r-sm border border-l transition border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-haspopup="menu" aria-expanded="false" aria-label="Open copy menu"><svg class="transition-transform text-gray-400 overflow-visible sm:size-3.5 size-3 rotate-0" width="1em" height="1em" viewBox="0 0 12 7" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M1 1L6 6L11 1" stroke="currentColor"></path></svg></button></div> </div> <h1 class="relative group"><a id="modularpipeline" 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="#modularpipeline"><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>ModularPipeline</span></h1> <p data-svelte-h="svelte-1oacpd0"><a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline">ModularPipeline</a> converts <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_blocks#diffusers.ModularPipelineBlocks">ModularPipelineBlocks</a>’s into an executable pipeline that loads models and performs the computation steps defined in the block. It is the main interface for running a pipeline and it is very similar to the <a href="/docs/diffusers/pr_12249/en/api/pipelines/overview#diffusers.DiffusionPipeline">DiffusionPipeline</a> API.</p> <p data-svelte-h="svelte-i5jg24">The main difference is to include an expected <code>output</code> argument in the pipeline.</p> <div class="flex space-x-2 items-center my-1.5 mr-8 h-7 !pl-0 -mx-3 md:mx-0"><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd border-gray-800 bg-black dark:bg-gray-700 text-white">text-to-image </div><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd text-gray-500 cursor-pointer opacity-90 hover:text-gray-700 dark:hover:text-gray-200 hover:shadow-sm">image-to-image </div><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd text-gray-500 cursor-pointer opacity-90 hover:text-gray-700 dark:hover:text-gray-200 hover:shadow-sm">inpainting </div></div> <div class="language-select"><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> SequentialPipelineBlocks | |
| <span class="hljs-keyword">from</span> diffusers.modular_pipelines.stable_diffusion_xl <span class="hljs-keyword">import</span> TEXT2IMAGE_BLOCKS | |
| blocks = SequentialPipelineBlocks.from_blocks_dict(TEXT2IMAGE_BLOCKS) | |
| modular_repo_id = <span class="hljs-string">"YiYiXu/modular-loader-t2i-0704"</span> | |
| pipeline = blocks.init_pipeline(modular_repo_id) | |
| pipeline.load_components(torch_dtype=torch.float16) | |
| pipeline.to(<span class="hljs-string">"cuda"</span>) | |
| image = pipeline(prompt=<span class="hljs-string">"Astronaut in a jungle, cold color palette, muted colors, detailed, 8k"</span>, output=<span class="hljs-string">"images"</span>)[<span class="hljs-number">0</span>] | |
| image.save(<span class="hljs-string">"modular_t2i_out.png"</span>)<!-- HTML_TAG_END --></pre></div> </div> <p data-svelte-h="svelte-8m3ikh">This guide will show you how to create a <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline">ModularPipeline</a> and manage the components in it.</p> <h2 class="relative group"><a id="adding-blocks" 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="#adding-blocks"><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>Adding blocks</span></h2> <p data-svelte-h="svelte-mujuz3">Blocks are <code>InsertableDict</code> objects that can be inserted at specific positions, providing a flexible way to mix-and-match blocks.</p> <p data-svelte-h="svelte-zqhodf">Use <code>insert()</code> on either the block class or <code>sub_blocks</code> attribute to add a block.</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-comment"># BLOCKS is dict of block classes, you need to add class to it</span> | |
| BLOCKS.insert(<span class="hljs-string">"block_name"</span>, BlockClass, index) | |
| <span class="hljs-comment"># sub_blocks attribute contains instance, add a block instance to the attribute</span> | |
| t2i_blocks.sub_blocks.insert(<span class="hljs-string">"block_name"</span>, block_instance, index)<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-1ifd08m">Use <code>pop()</code> on either the block class or <code>sub_blocks</code> attribute to remove a block.</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-comment"># remove a block class from preset</span> | |
| BLOCKS.pop(<span class="hljs-string">"text_encoder"</span>) | |
| <span class="hljs-comment"># split out a block instance on its own</span> | |
| text_encoder_block = t2i_blocks.sub_blocks.pop(<span class="hljs-string">"text_encoder"</span>)<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-1nq3m3c">Swap blocks by setting the existing block to the new block.</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-comment"># Replace block class in preset</span> | |
| BLOCKS[<span class="hljs-string">"prepare_latents"</span>] = CustomPrepareLatents | |
| <span class="hljs-comment"># Replace in sub_blocks attribute using an block instance</span> | |
| t2i_blocks.sub_blocks[<span class="hljs-string">"prepare_latents"</span>] = CustomPrepareLatents()<!-- HTML_TAG_END --></pre></div> <h2 class="relative group"><a id="creating-a-pipeline" 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="#creating-a-pipeline"><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>Creating a pipeline</span></h2> <p data-svelte-h="svelte-ei4qjt">There are two ways to create a <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline">ModularPipeline</a>. Assemble and create a pipeline from <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_blocks#diffusers.ModularPipelineBlocks">ModularPipelineBlocks</a> or load an existing pipeline with <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline.from_pretrained">from_pretrained()</a>.</p> <p data-svelte-h="svelte-1luz654">You should also initialize a <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_components#diffusers.ComponentsManager">ComponentsManager</a> to handle device placement and memory and component management.</p> <blockquote class="tip" data-svelte-h="svelte-1u0il4y"><p>Refer to the <a href="./components_manager">ComponentsManager</a> doc for more details about how it can help manage components across different workflows.</p></blockquote> <div class="flex space-x-2 items-center my-1.5 mr-8 h-7 !pl-0 -mx-3 md:mx-0"><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd border-gray-800 bg-black dark:bg-gray-700 text-white">ModularPipelineBlocks </div><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd text-gray-500 cursor-pointer opacity-90 hover:text-gray-700 dark:hover:text-gray-200 hover:shadow-sm">from_pretrained </div></div> <div class="language-select"><p data-svelte-h="svelte-i6o67r">Use the <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_blocks#diffusers.ModularPipelineBlocks.init_pipeline">init_pipeline()</a> method to create a <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline">ModularPipeline</a> from the component and configuration specifications. This method loads the <em>specifications</em> from a <code>modular_model_index.json</code> file, but it doesn’t load the <em>models</em> yet.</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">from</span> diffusers <span class="hljs-keyword">import</span> ComponentsManager | |
| <span class="hljs-keyword">from</span> diffusers.modular_pipelines <span class="hljs-keyword">import</span> SequentialPipelineBlocks | |
| <span class="hljs-keyword">from</span> diffusers.modular_pipelines.stable_diffusion_xl <span class="hljs-keyword">import</span> TEXT2IMAGE_BLOCKS | |
| t2i_blocks = SequentialPipelineBlocks.from_blocks_dict(TEXT2IMAGE_BLOCKS) | |
| modular_repo_id = <span class="hljs-string">"YiYiXu/modular-loader-t2i-0704"</span> | |
| components = ComponentsManager() | |
| t2i_pipeline = t2i_blocks.init_pipeline(modular_repo_id, components_manager=components)<!-- HTML_TAG_END --></pre></div> </div> <h2 class="relative group"><a id="loading-components" 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="#loading-components"><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>Loading components</span></h2> <p data-svelte-h="svelte-l1cz86">A <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline">ModularPipeline</a> doesn’t automatically instantiate with components. It only loads the configuration and component specifications. You can load all components with <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline.load_components">load_components()</a> or only load specific components with <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline.load_components">load_components()</a>.</p> <div class="flex space-x-2 items-center my-1.5 mr-8 h-7 !pl-0 -mx-3 md:mx-0"><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd border-gray-800 bg-black dark:bg-gray-700 text-white">load_components </div><div class="flex items-center border rounded-lg px-1.5 py-1 leading-none select-none text-smd border-gray-800 bg-black dark:bg-gray-700 text-white">load_components </div></div> <div class="language-select"><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 | |
| t2i_pipeline.load_components(torch_dtype=torch.float16) | |
| t2i_pipeline.to(<span class="hljs-string">"cuda"</span>)<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-12gw1cx">The example below only loads the UNet and VAE.</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">import</span> torch | |
| t2i_pipeline.load_components(names=[<span class="hljs-string">"unet"</span>, <span class="hljs-string">"vae"</span>], torch_dtype=torch.float16)<!-- HTML_TAG_END --></pre></div></div> <p data-svelte-h="svelte-1061sb5">Print the pipeline to inspect the loaded pretrained components.</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 -->t2i_pipeline<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-dlvpfi">This should match the <code>modular_model_index.json</code> file from the modular repository a pipeline is initialized from. If a pipeline doesn’t need a component, it won’t be included even if it exists in the modular repository.</p> <p data-svelte-h="svelte-ze9gpp">To modify where components are loaded from, edit the <code>modular_model_index.json</code> file in the repository and change it to your desired loading path. The example below loads a UNet from a different repository.</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 --># original | |
| <span class="hljs-attr">"unet"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> | |
| <span class="hljs-literal"><span class="hljs-keyword">null</span></span><span class="hljs-punctuation">,</span> <span class="hljs-literal"><span class="hljs-keyword">null</span></span><span class="hljs-punctuation">,</span> | |
| <span class="hljs-punctuation">{</span> | |
| <span class="hljs-attr">"repo"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"stabilityai/stable-diffusion-xl-base-1.0"</span><span class="hljs-punctuation">,</span> | |
| <span class="hljs-attr">"subfolder"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unet"</span><span class="hljs-punctuation">,</span> | |
| <span class="hljs-attr">"variant"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"fp16"</span> | |
| <span class="hljs-punctuation">}</span> | |
| <span class="hljs-punctuation">]</span> | |
| # modified | |
| <span class="hljs-attr">"unet"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> | |
| <span class="hljs-literal"><span class="hljs-keyword">null</span></span><span class="hljs-punctuation">,</span> <span class="hljs-literal"><span class="hljs-keyword">null</span></span><span class="hljs-punctuation">,</span> | |
| <span class="hljs-punctuation">{</span> | |
| <span class="hljs-attr">"repo"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"RunDiffusion/Juggernaut-XL-v9"</span><span class="hljs-punctuation">,</span> | |
| <span class="hljs-attr">"subfolder"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"unet"</span><span class="hljs-punctuation">,</span> | |
| <span class="hljs-attr">"variant"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"fp16"</span> | |
| <span class="hljs-punctuation">}</span> | |
| <span class="hljs-punctuation">]</span><!-- HTML_TAG_END --></pre></div> <h3 class="relative group"><a id="component-loading-status" 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="#component-loading-status"><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>Component loading status</span></h3> <p data-svelte-h="svelte-tncgcu">The pipeline properties below provide more information about which components are loaded.</p> <p data-svelte-h="svelte-1n7f6wy">Use <code>component_names</code> to return all expected components.</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 -->t2i_pipeline.component_names | |
| [<span class="hljs-string">'text_encoder'</span>, <span class="hljs-string">'text_encoder_2'</span>, <span class="hljs-string">'tokenizer'</span>, <span class="hljs-string">'tokenizer_2'</span>, <span class="hljs-string">'guider'</span>, <span class="hljs-string">'scheduler'</span>, <span class="hljs-string">'unet'</span>, <span class="hljs-string">'vae'</span>, <span class="hljs-string">'image_processor'</span>]<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-3260a2">Use <code>null_component_names</code> to return components that aren’t loaded yet. Load these components with <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline.from_pretrained">from_pretrained()</a>.</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 -->t2i_pipeline.null_component_names | |
| [<span class="hljs-string">'text_encoder'</span>, <span class="hljs-string">'text_encoder_2'</span>, <span class="hljs-string">'tokenizer'</span>, <span class="hljs-string">'tokenizer_2'</span>, <span class="hljs-string">'scheduler'</span>]<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-186jghx">Use <code>pretrained_component_names</code> to return components that will be loaded from pretrained models.</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 -->t2i_pipeline.pretrained_component_names | |
| [<span class="hljs-string">'text_encoder'</span>, <span class="hljs-string">'text_encoder_2'</span>, <span class="hljs-string">'tokenizer'</span>, <span class="hljs-string">'tokenizer_2'</span>, <span class="hljs-string">'scheduler'</span>, <span class="hljs-string">'unet'</span>, <span class="hljs-string">'vae'</span>]<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-14wppcr">Use <code>config_component_names</code> to return components that are created with the default config (not loaded from a modular repository). Components from a config aren’t included because they are already initialized during pipeline creation. This is why they aren’t listed in <code>null_component_names</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 -->t2i_pipeline.config_component_names | |
| [<span class="hljs-string">'guider'</span>, <span class="hljs-string">'image_processor'</span>]<!-- HTML_TAG_END --></pre></div> <h2 class="relative group"><a id="updating-components" 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="#updating-components"><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>Updating components</span></h2> <p data-svelte-h="svelte-10f47tp">Components may be updated depending on whether it is a <em>pretrained component</em> or a <em>config component</em>.</p> <blockquote class="warning" data-svelte-h="svelte-1c9nm5f"><p>A component may change from pretrained to config when updating a component. The component type is initially defined in a block’s <code>expected_components</code> field.</p></blockquote> <p data-svelte-h="svelte-1qzmyer">A pretrained component is updated with <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_components#diffusers.ComponentSpec">ComponentSpec</a> whereas a config component is updated by eihter passing the object directly or with <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_components#diffusers.ComponentSpec">ComponentSpec</a>.</p> <p data-svelte-h="svelte-123fmj6">The <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_components#diffusers.ComponentSpec">ComponentSpec</a> shows <code>default_creation_method="from_pretrained"</code> for a pretrained component shows <code>default_creation_method="from_config</code> for a config component.</p> <p data-svelte-h="svelte-1crwlqp">To update a pretrained component, create a <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_components#diffusers.ComponentSpec">ComponentSpec</a> with the name of the component and where to load it from. Use the <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_components#diffusers.ComponentSpec.load">load()</a> method to load the component.</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">from</span> diffusers <span class="hljs-keyword">import</span> ComponentSpec, UNet2DConditionModel | |
| unet_spec = ComponentSpec(name=<span class="hljs-string">"unet"</span>,type_hint=UNet2DConditionModel, repo=<span class="hljs-string">"stabilityai/stable-diffusion-xl-base-1.0"</span>, subfolder=<span class="hljs-string">"unet"</span>, variant=<span class="hljs-string">"fp16"</span>) | |
| unet = unet_spec.load(torch_dtype=torch.float16)<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-y0wdj9">The <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline.update_components">update_components()</a> method replaces the component with a new one.</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 -->t2i_pipeline.update_components(unet=unet2)<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-1tjewkw">When a component is updated, the loading specifications are also updated in the pipeline config.</p> <h3 class="relative group"><a id="component-extraction-and-modification" 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="#component-extraction-and-modification"><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>Component extraction and modification</span></h3> <p data-svelte-h="svelte-d2e4gv">When you use <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline_components#diffusers.ComponentSpec.load">load()</a>, the new component maintains its loading specifications. This makes it possible to extract the specification and recreate the component.</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 -->spec = ComponentSpec.from_component(<span class="hljs-string">"unet"</span>, unet2) | |
| spec | |
| ComponentSpec(name=<span class="hljs-string">'unet'</span>, type_hint=<<span class="hljs-keyword">class</span> <span class="hljs-string">'diffusers.models.unets.unet_2d_condition.UNet2DConditionModel'</span>>, description=<span class="hljs-literal">None</span>, config=<span class="hljs-literal">None</span>, repo=<span class="hljs-string">'stabilityai/stable-diffusion-xl-base-1.0'</span>, subfolder=<span class="hljs-string">'unet'</span>, variant=<span class="hljs-string">'fp16'</span>, revision=<span class="hljs-literal">None</span>, default_creation_method=<span class="hljs-string">'from_pretrained'</span>) | |
| unet2_recreated = spec.load(torch_dtype=torch.float16)<!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-11gwfs4">The <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline.get_component_spec">get_component_spec()</a> method gets a copy of the current component specification to modify or update.</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 -->unet_spec = t2i_pipeline.get_component_spec(<span class="hljs-string">"unet"</span>) | |
| unet_spec | |
| ComponentSpec( | |
| name=<span class="hljs-string">'unet'</span>, | |
| type_hint=<<span class="hljs-keyword">class</span> <span class="hljs-string">'diffusers.models.unets.unet_2d_condition.UNet2DConditionModel'</span>>, | |
| pretrained_model_name_or_path=<span class="hljs-string">'RunDiffusion/Juggernaut-XL-v9'</span>, | |
| subfolder=<span class="hljs-string">'unet'</span>, | |
| variant=<span class="hljs-string">'fp16'</span>, | |
| default_creation_method=<span class="hljs-string">'from_pretrained'</span> | |
| ) | |
| <span class="hljs-comment"># modify to load from a different repository</span> | |
| unet_spec.pretrained_model_name_or_path = <span class="hljs-string">"stabilityai/stable-diffusion-xl-base-1.0"</span> | |
| <span class="hljs-comment"># load component with modified spec</span> | |
| unet = unet_spec.load(torch_dtype=torch.float16)<!-- HTML_TAG_END --></pre></div> <h2 class="relative group"><a id="modular-repository" 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="#modular-repository"><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>Modular repository</span></h2> <p data-svelte-h="svelte-7e3y9a">A repository is required if the pipeline blocks use <em>pretrained components</em>. The repository supplies loading specifications and metadata.</p> <p data-svelte-h="svelte-io17ut"><a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline">ModularPipeline</a> specifically requires <em>modular repositories</em> (see <a href="https://huggingface.co/YiYiXu/modular-diffdiff" rel="nofollow">example repository</a>) which are more flexible than a typical repository. It contains a <code>modular_model_index.json</code> file containing the following 3 elements.</p> <ul data-svelte-h="svelte-1t814mj"><li><code>library</code> and <code>class</code> shows which library the component was loaded from and it’s class. If <code>null</code>, the component hasn’t been loaded yet.</li> <li><code>loading_specs_dict</code> contains the information required to load the component such as the repository and subfolder it is loaded from.</li></ul> <p data-svelte-h="svelte-278bgf">Unlike standard repositories, a modular repository can fetch components from different repositories based on the <code>loading_specs_dict</code>. Components don’t need to exist in the same repository.</p> <p data-svelte-h="svelte-a80cl7">A modular repository may contain custom code for loading a <a href="/docs/diffusers/pr_12249/en/api/modular_diffusers/pipeline#diffusers.ModularPipeline">ModularPipeline</a>. This allows you to use specialized blocks that aren’t native to Diffusers.</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 -->modular-<span class="hljs-keyword">diffdiff-0704/ | |
| </span>├── <span class="hljs-keyword">block.py </span> <span class="hljs-comment"># Custom pipeline blocks implementation</span> | |
| ├── <span class="hljs-built_in">config</span>.<span class="hljs-keyword">json </span> <span class="hljs-comment"># Pipeline configuration and auto_map</span> | |
| └── modular_model_index.<span class="hljs-keyword">json </span> <span class="hljs-comment"># Component loading specifications</span><!-- HTML_TAG_END --></pre></div> <p data-svelte-h="svelte-1o6htac">The <a href="https://huggingface.co/YiYiXu/modular-diffdiff-0704/blob/main/config.json" rel="nofollow">config.json</a> file contains an <code>auto_map</code> key that points to where a custom block is defined in <code>block.py</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 --><span class="hljs-punctuation">{</span> | |
| <span class="hljs-attr">"_class_name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"DiffDiffBlocks"</span><span class="hljs-punctuation">,</span> | |
| <span class="hljs-attr">"auto_map"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span> | |
| <span class="hljs-attr">"ModularPipelineBlocks"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"block.DiffDiffBlocks"</span> | |
| <span class="hljs-punctuation">}</span> | |
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