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<h1 id="codegen-routes">Codegen Routes</h1>
<div class="doc doc-object doc-module">
<h2 id="openapi_first.codegen_routes" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-module"></code> <span class="doc doc-object-name doc-module-name">openapi_first.codegen_routes</span>
</h2>
<div class="doc doc-contents first">
<h3 id="openapi_first.codegen_routes--summary">Summary</h3>
<p>Route handler code generation from OpenAPI specifications.</p>
<p>This module generates Python route handler stubs from an OpenAPI 3.x
specification. Each resource (derived from the first path segment)
gets its own file under the output directory. Every OpenAPI operation
must define an <code>operationId</code>, which becomes the handler function name.</p>
<details class="notes" open>
<summary>Notes</summary>
<p><strong>Design constraints:</strong></p>
<div class="language-text highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span>
<span class="normal">6</span>
<span class="normal">7</span></pre></div></td><td class="code"><div><pre><span></span><code>- ``operationId`` is required on every operation (matching
``binder.bind_routes``).
- Handlers are stubs raising ``NotImplementedError``.
- Sub-resources (e.g. ``/pets/{id}/photo``) are grouped with their
parent resource (``pets``).
- Parameter types and defaults are inferred from the spec.
- ``response: Response`` is injected for non-200 success codes.
</code></pre></div></td></tr></table></div>
</details>
<div class="doc doc-children">
<h3 id="openapi_first.codegen_routes-functions">Functions</h3>
<div class="doc doc-object doc-function">
<h4 id="openapi_first.codegen_routes.generate_routes" class="doc doc-heading">
<code class="doc-symbol doc-symbol-heading doc-symbol-function"></code> <span class="doc doc-object-name doc-function-name">generate_routes</span>
</h4>
<div class="language-python doc-signature highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"><a href="#__codelineno-0-1">1</a></span>
<span class="normal"><a href="#__codelineno-0-2">2</a></span>
<span class="normal"><a href="#__codelineno-0-3">3</a></span>
<span class="normal"><a href="#__codelineno-0-4">4</a></span>
<span class="normal"><a href="#__codelineno-0-5">5</a></span>
<span class="normal"><a href="#__codelineno-0-6">6</a></span>
<span class="normal"><a href="#__codelineno-0-7">7</a></span></pre></div></td><td class="code"><div><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1"></a><span class="nf">generate_routes</span><span class="p">(</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2"></a> <span class="n">spec_path</span><span class="p">:</span> <span class="n">Path</span><span class="p">,</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3"></a> <span class="n">output_dir</span><span class="p">:</span> <span class="n">Path</span><span class="p">,</span>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4"></a> <span class="o">*</span><span class="p">,</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5"></a> <span class="n">use_models</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6"></a> <span class="n">models_module</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="s2">"models"</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7"></a><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">list</span><span class="p">[</span><span class="n">Path</span><span class="p">]</span>
</span></code></pre></div></td></tr></table></div>
<div class="doc doc-contents ">
<p>Generate route handler stubs from an OpenAPI specification.</p>
<p>Creates one <code>&lt;resource&gt;.py</code> file per resource in <em>output_dir</em>.
Resources are derived from the first path segment (e.g. <code>/pets</code>
and <code>/pets/{id}</code> both group under <code>pets</code>).</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td><code>spec_path</code></td>
<td>
<code><span title="pathlib.Path">Path</span></code>
</td>
<td>
<div class="doc-md-description">
<p>Path to the OpenAPI specification file (YAML or JSON).</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td><code>output_dir</code></td>
<td>
<code><span title="pathlib.Path">Path</span></code>
</td>
<td>
<div class="doc-md-description">
<p>Directory where the generated route files are written.
Created automatically if it does not exist.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td><code>use_models</code></td>
<td>
<code>bool</code>
</td>
<td>
<div class="doc-md-description">
<p>If <code>True</code>, import Pydantic models from <em>models_module</em>
for request-body schemas referenced via <code>$ref</code>.</p>
</div>
</td>
<td>
<code>False</code>
</td>
</tr>
<tr class="doc-section-item">
<td><code>models_module</code></td>
<td>
<code>str</code>
</td>
<td>
<div class="doc-md-description">
<p>Dotted Python module path from which to import models
(e.g. <code>"models"</code>, <code>"app.models"</code>).</p>
</div>
</td>
<td>
<code>&#39;models&#39;</code>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Returns:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code>list[<span title="pathlib.Path">Path</span>]</code>
</td>
<td>
<div class="doc-md-description">
<p>list[Path]:
Absolute paths of every generated route file.</p>
</div>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Raises:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code>OpenAPISpecLoadError</code>
</td>
<td>
<div class="doc-md-description">
<p>If the spec cannot be loaded or validated.</p>
</div>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>ValueError</code>
</td>
<td>
<div class="doc-md-description">
<p>If any operation is missing <code>operationId</code>.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
</article>
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