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href="/hass.tibber_prices/developer/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">💻 Development</span></li><li class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link">Debugging Guide</span></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Next 🚧</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Debugging Guide</h1></header>
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<p>Tips and techniques for debugging the Tibber Prices integration during development.</p>
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<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="logging">Logging<a href="#logging" class="hash-link" aria-label="Direct link to Logging" title="Direct link to Logging" translate="no"></a></h2>
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<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="enable-debug-logging">Enable Debug Logging<a href="#enable-debug-logging" class="hash-link" aria-label="Direct link to Enable Debug Logging" title="Direct link to Enable Debug Logging" translate="no"></a></h3>
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<p>Add to <code>configuration.yaml</code>:</p>
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<div class="language-yaml codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-yaml codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token key atrule" style="color:#00a4db">logger</span><span class="token punctuation" style="color:#393A34">:</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token key atrule" style="color:#00a4db">default</span><span class="token punctuation" style="color:#393A34">:</span><span class="token plain"> info</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token key atrule" style="color:#00a4db">logs</span><span class="token punctuation" style="color:#393A34">:</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token key atrule" style="color:#00a4db">custom_components.tibber_prices</span><span class="token punctuation" style="color:#393A34">:</span><span class="token plain"> debug</span><br></span></code></pre></div></div>
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<p>Restart Home Assistant to apply.</p>
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<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="key-log-messages">Key Log Messages<a href="#key-log-messages" class="hash-link" aria-label="Direct link to Key Log Messages" title="Direct link to Key Log Messages" translate="no"></a></h3>
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<p><strong>Coordinator Updates:</strong></p>
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<div class="language-text codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">[custom_components.tibber_prices.coordinator] Successfully fetched price data</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">[custom_components.tibber_prices.coordinator] Cache valid, using cached data</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">[custom_components.tibber_prices.coordinator] Midnight turnover detected, clearing cache</span><br></span></code></pre></div></div>
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<p><strong>Period Calculation:</strong></p>
|
||
<div class="language-text codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">[custom_components.tibber_prices.coordinator.periods] Calculating BEST PRICE periods: flex=15.0%</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">[custom_components.tibber_prices.coordinator.periods] Day 2024-12-06: Found 2 periods</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">[custom_components.tibber_prices.coordinator.periods] Period 1: 02:00-05:00 (12 intervals)</span><br></span></code></pre></div></div>
|
||
<p><strong>API Errors:</strong></p>
|
||
<div class="language-text codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">[custom_components.tibber_prices.api] API request failed: Unauthorized</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">[custom_components.tibber_prices.api] Retrying (attempt 2/3) after 2.0s</span><br></span></code></pre></div></div>
|
||
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="vs-code-debugging">VS Code Debugging<a href="#vs-code-debugging" class="hash-link" aria-label="Direct link to VS Code Debugging" title="Direct link to VS Code Debugging" translate="no"></a></h2>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="launch-configuration">Launch Configuration<a href="#launch-configuration" class="hash-link" aria-label="Direct link to Launch Configuration" title="Direct link to Launch Configuration" translate="no"></a></h3>
|
||
<p><code>.vscode/launch.json</code>:</p>
|
||
<div class="language-json codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-json codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"version"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"0.2.0"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"configurations"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">[</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"name"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"Home Assistant"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"type"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"debugpy"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"request"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"launch"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"module"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"homeassistant"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"args"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">[</span><span class="token string" style="color:#e3116c">"-c"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"config"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"--debug"</span><span class="token punctuation" style="color:#393A34">]</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"justMyCode"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token boolean" style="color:#36acaa">false</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"env"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token property" style="color:#36acaa">"PYTHONPATH"</span><span class="token operator" style="color:#393A34">:</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"${workspaceFolder}/.venv/lib/python3.13/site-packages"</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">]</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">}</span><br></span></code></pre></div></div>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="set-breakpoints">Set Breakpoints<a href="#set-breakpoints" class="hash-link" aria-label="Direct link to Set Breakpoints" title="Direct link to Set Breakpoints" translate="no"></a></h3>
|
||
<p><strong>Coordinator update:</strong></p>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token comment" style="color:#999988;font-style:italic"># coordinator/core.py</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token keyword" style="color:#00009f">async</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">def</span><span class="token plain"> </span><span class="token function" style="color:#d73a49">_async_update_data</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">self</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">-</span><span class="token operator" style="color:#393A34">></span><span class="token plain"> </span><span class="token builtin">dict</span><span class="token punctuation" style="color:#393A34">:</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token triple-quoted-string string" style="color:#e3116c">"""Fetch data from API."""</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> breakpoint</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic"># Or set VS Code breakpoint</span><br></span></code></pre></div></div>
|
||
<p><strong>Period calculation:</strong></p>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token comment" style="color:#999988;font-style:italic"># coordinator/period_handlers/core.py</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token keyword" style="color:#00009f">def</span><span class="token plain"> </span><span class="token function" style="color:#d73a49">calculate_periods</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">.</span><span class="token punctuation" style="color:#393A34">.</span><span class="token punctuation" style="color:#393A34">.</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">-</span><span class="token operator" style="color:#393A34">></span><span class="token plain"> </span><span class="token builtin">list</span><span class="token punctuation" style="color:#393A34">[</span><span class="token builtin">dict</span><span class="token punctuation" style="color:#393A34">]</span><span class="token punctuation" style="color:#393A34">:</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token triple-quoted-string string" style="color:#e3116c">"""Calculate best/peak price periods."""</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> breakpoint</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><br></span></code></pre></div></div>
|
||
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="pytest-debugging">pytest Debugging<a href="#pytest-debugging" class="hash-link" aria-label="Direct link to pytest Debugging" title="Direct link to pytest Debugging" translate="no"></a></h2>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="run-single-test-with-output">Run Single Test with Output<a href="#run-single-test-with-output" class="hash-link" aria-label="Direct link to Run Single Test with Output" title="Direct link to Run Single Test with Output" translate="no"></a></h3>
|
||
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">.venv/bin/python </span><span class="token parameter variable" style="color:#36acaa">-m</span><span class="token plain"> pytest tests/test_period_calculation.py::test_midnight_crossing </span><span class="token parameter variable" style="color:#36acaa">-v</span><span class="token plain"> </span><span class="token parameter variable" style="color:#36acaa">-s</span><br></span></code></pre></div></div>
|
||
<p><strong>Flags:</strong></p>
|
||
<ul>
|
||
<li class=""><code>-v</code> - Verbose output</li>
|
||
<li class=""><code>-s</code> - Show print statements</li>
|
||
<li class=""><code>-k pattern</code> - Run tests matching pattern</li>
|
||
</ul>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="debug-test-in-vs-code">Debug Test in VS Code<a href="#debug-test-in-vs-code" class="hash-link" aria-label="Direct link to Debug Test in VS Code" title="Direct link to Debug Test in VS Code" translate="no"></a></h3>
|
||
<p>Set breakpoint in test file, use "Debug Test" CodeLens.</p>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="useful-test-patterns">Useful Test Patterns<a href="#useful-test-patterns" class="hash-link" aria-label="Direct link to Useful Test Patterns" title="Direct link to Useful Test Patterns" translate="no"></a></h3>
|
||
<p><strong>Print coordinator data:</strong></p>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">def</span><span class="token plain"> </span><span class="token function" style="color:#d73a49">test_something</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">coordinator</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">:</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">print</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string-interpolation string" style="color:#e3116c">f"Coordinator data: </span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">{</span><span class="token string-interpolation interpolation">coordinator</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">.</span><span class="token string-interpolation interpolation">data</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">}</span><span class="token string-interpolation string" style="color:#e3116c">"</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">print</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string-interpolation string" style="color:#e3116c">f"Price info count: </span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">{</span><span class="token string-interpolation interpolation builtin">len</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">(</span><span class="token string-interpolation interpolation">coordinator</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">.</span><span class="token string-interpolation interpolation">data</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">[</span><span class="token string-interpolation interpolation string" style="color:#e3116c">'priceInfo'</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">]</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">)</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">}</span><span class="token string-interpolation string" style="color:#e3116c">"</span><span class="token punctuation" style="color:#393A34">)</span><br></span></code></pre></div></div>
|
||
<p><strong>Inspect period attributes:</strong></p>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">def</span><span class="token plain"> </span><span class="token function" style="color:#d73a49">test_periods</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">hass</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> coordinator</span><span class="token punctuation" style="color:#393A34">)</span><span class="token punctuation" style="color:#393A34">:</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> periods </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> coordinator</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">data</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">get</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">'best_price_periods'</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">[</span><span class="token punctuation" style="color:#393A34">]</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">for</span><span class="token plain"> period </span><span class="token keyword" style="color:#00009f">in</span><span class="token plain"> periods</span><span class="token punctuation" style="color:#393A34">:</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">print</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string-interpolation string" style="color:#e3116c">f"Period: </span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">{</span><span class="token string-interpolation interpolation">period</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">[</span><span class="token string-interpolation interpolation string" style="color:#e3116c">'start'</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">]</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">}</span><span class="token string-interpolation string" style="color:#e3116c"> to </span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">{</span><span class="token string-interpolation interpolation">period</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">[</span><span class="token string-interpolation interpolation string" style="color:#e3116c">'end'</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">]</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">}</span><span class="token string-interpolation string" style="color:#e3116c">"</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token keyword" style="color:#00009f">print</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string-interpolation string" style="color:#e3116c">f" Intervals: </span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">{</span><span class="token string-interpolation interpolation builtin">len</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">(</span><span class="token string-interpolation interpolation">period</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">[</span><span class="token string-interpolation interpolation string" style="color:#e3116c">'intervals'</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">]</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">)</span><span class="token string-interpolation interpolation punctuation" style="color:#393A34">}</span><span class="token string-interpolation string" style="color:#e3116c">"</span><span class="token punctuation" style="color:#393A34">)</span><br></span></code></pre></div></div>
|
||
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="common-issues">Common Issues<a href="#common-issues" class="hash-link" aria-label="Direct link to Common Issues" title="Direct link to Common Issues" translate="no"></a></h2>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="integration-not-loading">Integration Not Loading<a href="#integration-not-loading" class="hash-link" aria-label="Direct link to Integration Not Loading" title="Direct link to Integration Not Loading" translate="no"></a></h3>
|
||
<p><strong>Check:</strong></p>
|
||
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token function" style="color:#d73a49">grep</span><span class="token plain"> </span><span class="token string" style="color:#e3116c">"tibber_prices"</span><span class="token plain"> config/home-assistant.log</span><br></span></code></pre></div></div>
|
||
<p><strong>Common causes:</strong></p>
|
||
<ul>
|
||
<li class="">Syntax error in Python code → Check logs for traceback</li>
|
||
<li class="">Missing dependency → Run <code>uv sync</code></li>
|
||
<li class="">Wrong file permissions → <code>chmod +x scripts/*</code></li>
|
||
</ul>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="sensors-not-updating">Sensors Not Updating<a href="#sensors-not-updating" class="hash-link" aria-label="Direct link to Sensors Not Updating" title="Direct link to Sensors Not Updating" translate="no"></a></h3>
|
||
<p><strong>Check coordinator state:</strong></p>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token comment" style="color:#999988;font-style:italic"># In Developer Tools > Template</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token punctuation" style="color:#393A34">{</span><span class="token punctuation" style="color:#393A34">{</span><span class="token plain"> states</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">sensor</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">tibber_home_current_interval_price</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">last_updated </span><span class="token punctuation" style="color:#393A34">}</span><span class="token punctuation" style="color:#393A34">}</span><br></span></code></pre></div></div>
|
||
<p><strong>Debug in code:</strong></p>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token comment" style="color:#999988;font-style:italic"># Add logging in sensor/core.py</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">_LOGGER</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">debug</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">"Updating sensor %s: old=%s new=%s"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> self</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">entity_id</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> self</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">_attr_native_value</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> new_value</span><span class="token punctuation" style="color:#393A34">)</span><br></span></code></pre></div></div>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="period-calculation-wrong">Period Calculation Wrong<a href="#period-calculation-wrong" class="hash-link" aria-label="Direct link to Period Calculation Wrong" title="Direct link to Period Calculation Wrong" translate="no"></a></h3>
|
||
<p><strong>Enable detailed period logs:</strong></p>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token comment" style="color:#999988;font-style:italic"># coordinator/period_handlers/period_building.py</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">_LOGGER</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">debug</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">"Candidate intervals: %s"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token punctuation" style="color:#393A34">[</span><span class="token punctuation" style="color:#393A34">(</span><span class="token plain">i</span><span class="token punctuation" style="color:#393A34">[</span><span class="token string" style="color:#e3116c">'startsAt'</span><span class="token punctuation" style="color:#393A34">]</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> i</span><span class="token punctuation" style="color:#393A34">[</span><span class="token string" style="color:#e3116c">'total'</span><span class="token punctuation" style="color:#393A34">]</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"> </span><span class="token keyword" style="color:#00009f">for</span><span class="token plain"> i </span><span class="token keyword" style="color:#00009f">in</span><span class="token plain"> candidates</span><span class="token punctuation" style="color:#393A34">]</span><span class="token punctuation" style="color:#393A34">)</span><br></span></code></pre></div></div>
|
||
<p><strong>Check filter statistics:</strong></p>
|
||
<div class="language-text codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">[period_building] Flex filter blocked: 45 intervals</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">[period_building] Min distance blocked: 12 intervals</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">[period_building] Level filter blocked: 8 intervals</span><br></span></code></pre></div></div>
|
||
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="performance-profiling">Performance Profiling<a href="#performance-profiling" class="hash-link" aria-label="Direct link to Performance Profiling" title="Direct link to Performance Profiling" translate="no"></a></h2>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="time-execution">Time Execution<a href="#time-execution" class="hash-link" aria-label="Direct link to Time Execution" title="Direct link to Time Execution" translate="no"></a></h3>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">import</span><span class="token plain"> time</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">start </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> time</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">perf_counter</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">result </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> expensive_function</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">duration </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> time</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">perf_counter</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"> </span><span class="token operator" style="color:#393A34">-</span><span class="token plain"> start</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">_LOGGER</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">debug</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">"Function took %.3fs"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> duration</span><span class="token punctuation" style="color:#393A34">)</span><br></span></code></pre></div></div>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="memory-usage">Memory Usage<a href="#memory-usage" class="hash-link" aria-label="Direct link to Memory Usage" title="Direct link to Memory Usage" translate="no"></a></h3>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">import</span><span class="token plain"> tracemalloc</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">tracemalloc</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">start</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token comment" style="color:#999988;font-style:italic"># ... your code ...</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">current</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> peak </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> tracemalloc</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">get_traced_memory</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">_LOGGER</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">debug</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">"Memory: current=%d peak=%d"</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> current</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> peak</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">tracemalloc</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">stop</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><br></span></code></pre></div></div>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="profile-with-cprofile">Profile with cProfile<a href="#profile-with-cprofile" class="hash-link" aria-label="Direct link to Profile with cProfile" title="Direct link to Profile with cProfile" translate="no"></a></h3>
|
||
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">python </span><span class="token parameter variable" style="color:#36acaa">-m</span><span class="token plain"> cProfile </span><span class="token parameter variable" style="color:#36acaa">-o</span><span class="token plain"> profile.stats </span><span class="token parameter variable" style="color:#36acaa">-m</span><span class="token plain"> homeassistant </span><span class="token parameter variable" style="color:#36acaa">-c</span><span class="token plain"> config</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">python </span><span class="token parameter variable" style="color:#36acaa">-m</span><span class="token plain"> pstats profile.stats</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token comment" style="color:#999988;font-style:italic"># Then: sort cumtime, stats 20</span><br></span></code></pre></div></div>
|
||
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="live-debugging-in-running-ha">Live Debugging in Running HA<a href="#live-debugging-in-running-ha" class="hash-link" aria-label="Direct link to Live Debugging in Running HA" title="Direct link to Live Debugging in Running HA" translate="no"></a></h2>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="remote-debugging-with-debugpy">Remote Debugging with debugpy<a href="#remote-debugging-with-debugpy" class="hash-link" aria-label="Direct link to Remote Debugging with debugpy" title="Direct link to Remote Debugging with debugpy" translate="no"></a></h3>
|
||
<p>Add to coordinator code:</p>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">import</span><span class="token plain"> debugpy</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">debugpy</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">listen</span><span class="token punctuation" style="color:#393A34">(</span><span class="token number" style="color:#36acaa">5678</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">_LOGGER</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">info</span><span class="token punctuation" style="color:#393A34">(</span><span class="token string" style="color:#e3116c">"Waiting for debugger attach on port 5678"</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">debugpy</span><span class="token punctuation" style="color:#393A34">.</span><span class="token plain">wait_for_client</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><br></span></code></pre></div></div>
|
||
<p>Connect from VS Code with remote attach configuration.</p>
|
||
<h3 class="anchor anchorTargetStickyNavbar_Vzrq" id="ipython-repl">IPython REPL<a href="#ipython-repl" class="hash-link" aria-label="Direct link to IPython REPL" title="Direct link to IPython REPL" translate="no"></a></h3>
|
||
<p>Install in container:</p>
|
||
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token plain">uv pip </span><span class="token function" style="color:#d73a49">install</span><span class="token plain"> ipython</span><br></span></code></pre></div></div>
|
||
<p>Add breakpoint:</p>
|
||
<div class="language-python codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_QJqH"><pre tabindex="0" class="prism-code language-python codeBlock_bY9V thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#393A34"><span class="token keyword" style="color:#00009f">from</span><span class="token plain"> IPython </span><span class="token keyword" style="color:#00009f">import</span><span class="token plain"> embed</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">embed</span><span class="token punctuation" style="color:#393A34">(</span><span class="token punctuation" style="color:#393A34">)</span><span class="token plain"> </span><span class="token comment" style="color:#999988;font-style:italic"># Drops into interactive shell</span><br></span></code></pre></div></div>
|
||
<hr>
|
||
<p>💡 <strong>Related:</strong></p>
|
||
<ul>
|
||
<li class=""><a class="" href="/hass.tibber_prices/developer/testing">Testing Guide</a> - Writing and running tests</li>
|
||
<li class=""><a class="" href="/hass.tibber_prices/developer/setup">Setup Guide</a> - Development environment</li>
|
||
<li class=""><a class="" href="/hass.tibber_prices/developer/architecture">Architecture</a> - Code structure</li>
|
||
</ul></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="row margin-top--sm theme-doc-footer-edit-meta-row"><div class="col noPrint_WFHX"><a href="https://github.com/jpawlowski/hass.tibber_prices/tree/main/docs/developer/docs/debugging.md" target="_blank" rel="noopener noreferrer" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_JAkA"><span class="theme-last-updated">Last updated<!-- --> on <b><time datetime="2025-12-06T01:37:06.000Z" itemprop="dateModified">Dec 6, 2025</time></b></span></div></div></footer></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/hass.tibber_prices/developer/critical-patterns"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Critical Behavior Patterns - Testing Guide</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/hass.tibber_prices/developer/period-calculation-theory"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Period Calculation Theory</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#logging" class="table-of-contents__link toc-highlight">Logging</a><ul><li><a href="#enable-debug-logging" class="table-of-contents__link toc-highlight">Enable Debug Logging</a></li><li><a href="#key-log-messages" class="table-of-contents__link toc-highlight">Key Log Messages</a></li></ul></li><li><a href="#vs-code-debugging" class="table-of-contents__link toc-highlight">VS Code Debugging</a><ul><li><a href="#launch-configuration" class="table-of-contents__link toc-highlight">Launch Configuration</a></li><li><a href="#set-breakpoints" class="table-of-contents__link toc-highlight">Set Breakpoints</a></li></ul></li><li><a href="#pytest-debugging" class="table-of-contents__link toc-highlight">pytest Debugging</a><ul><li><a href="#run-single-test-with-output" class="table-of-contents__link toc-highlight">Run Single Test with Output</a></li><li><a href="#debug-test-in-vs-code" class="table-of-contents__link toc-highlight">Debug Test in VS Code</a></li><li><a href="#useful-test-patterns" class="table-of-contents__link toc-highlight">Useful Test Patterns</a></li></ul></li><li><a href="#common-issues" class="table-of-contents__link toc-highlight">Common Issues</a><ul><li><a href="#integration-not-loading" class="table-of-contents__link toc-highlight">Integration Not Loading</a></li><li><a href="#sensors-not-updating" class="table-of-contents__link toc-highlight">Sensors Not Updating</a></li><li><a href="#period-calculation-wrong" class="table-of-contents__link toc-highlight">Period Calculation Wrong</a></li></ul></li><li><a href="#performance-profiling" class="table-of-contents__link toc-highlight">Performance Profiling</a><ul><li><a href="#time-execution" class="table-of-contents__link toc-highlight">Time Execution</a></li><li><a href="#memory-usage" class="table-of-contents__link toc-highlight">Memory Usage</a></li><li><a href="#profile-with-cprofile" class="table-of-contents__link toc-highlight">Profile with cProfile</a></li></ul></li><li><a href="#live-debugging-in-running-ha" class="table-of-contents__link toc-highlight">Live Debugging in Running HA</a><ul><li><a href="#remote-debugging-with-debugpy" class="table-of-contents__link toc-highlight">Remote Debugging with debugpy</a></li><li><a href="#ipython-repl" class="table-of-contents__link toc-highlight">IPython REPL</a></li></ul></li></ul></div></div></div></div></main></div></div></div><footer class="theme-layout-footer footer footer--dark"><div class="container container-fluid"><div class="row footer__links"><div class="theme-layout-footer-column col footer__col"><div class="footer__title">Documentation</div><ul class="footer__items clean-list"><li class="footer__item"><a href="https://jpawlowski.github.io/hass.tibber_prices/user/" target="_blank" rel="noopener noreferrer" class="footer__link-item">User Guide<svg width="13.5" height="13.5" aria-label="(opens in new tab)" class="iconExternalLink_nPIU"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a class="footer__link-item" href="/hass.tibber_prices/developer/intro">Developer Guide</a></li></ul></div><div class="theme-layout-footer-column col footer__col"><div class="footer__title">Community</div><ul class="footer__items clean-list"><li class="footer__item"><a 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