mirror of
https://github.com/codeflash-ai/codeflash.git
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231 lines
7.2 KiB
Text
231 lines
7.2 KiB
Text
---
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title: "VS Code Extension"
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description: "Optimize Python code directly in your editor with one-click AI-powered optimizations"
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icon: "code"
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sidebarTitle: "Overview"
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keywords:
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[
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"VS Code",
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"extension",
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"Cursor",
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"Windsurf",
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"IDE",
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"editor",
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"CodeLens",
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"optimization",
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]
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---
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# VS Code Extension
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Bring Codeflash directly into your editor. See optimization suggestions inline, track progress in real-time, and apply performance improvements without leaving your code.
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<Info>
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**Works with multiple editors** — This extension is compatible with VS Code,
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Cursor, Windsurf, and other VS Code-compatible editors.
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</Info>
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---
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## Requirements
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Before installing the extension, ensure you have:
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- **VS Code 1.94.0+** (or Cursor, Windsurf, or other VS Code-compatible editor)
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- **Python 3.9+** installed and available in your PATH
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- **Git repository** initialized for your project
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- **Microsoft Python extension** installed (the Codeflash extension depends on it)
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---
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## Installation
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<Tabs>
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<Tab title="VS Code Marketplace">
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The quickest way to install for VS Code users:
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<Steps>
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<Step title="Open Extensions Panel">
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Press `Ctrl+Shift+X` (Windows/Linux) or `Cmd+Shift+X` (macOS) to open the Extensions panel.
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</Step>
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<Step title="Search for Codeflash">
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Type **"Codeflash"** in the search bar.
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</Step>
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<Step title="Install">
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Click **Install** on the Codeflash extension.
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[Install from VS Code Marketplace →](https://marketplace.visualstudio.com/items?itemName=codeflash.codeflash)
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</Step>
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<Step title="Reload">
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Reload VS Code when prompted to activate the extension.
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</Step>
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</Steps>
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</Tab>
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<Tab title="VSIX (Cursor/Offline)">
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For Cursor, Windsurf, air-gapped environments, or when the Marketplace isn't available:
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<Steps>
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<Step title="Download VSIX">
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Download the latest VSIX package from Open VSX:
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[Download VSIX →](https://open-vsx.org/extension/codeflash/codeflash)
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</Step>
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<Step title="Open Command Palette">
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Press `Ctrl+Shift+P` (Windows/Linux) or `Cmd+Shift+P` (macOS).
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</Step>
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<Step title="Install from VSIX">
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Type and select **"Extensions: Install from VSIX…"**
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</Step>
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<Step title="Select File">
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Choose the downloaded `codeflash-*.vsix` file.
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</Step>
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<Step title="Restart Editor">
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Restart your editor to complete the installation.
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</Step>
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</Steps>
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</Tab>
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</Tabs>
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---
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## First-Time Setup
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When you first open a Python file, the extension guides you through setup:
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<Steps>
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<Step title="Extension Activates">
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The Codeflash sidebar opens automatically, showing the setup wizard.
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</Step>
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<Step title="Select Python Interpreter">
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**This step is critical.** The extension uses the Python interpreter selected in VS Code to run Codeflash. Make sure you select the interpreter from the environment where Codeflash is installed.
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<Tabs>
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<Tab title="Select via Command Palette">
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1. Press `Ctrl+Shift+P` (Windows/Linux) or `Cmd+Shift+P` (macOS)
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2. Type **"Python: Select Interpreter"**
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3. Choose the Python environment where you installed Codeflash (e.g., your project's virtual environment)
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</Tab>
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<Tab title="Select via Status Bar">
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1. Look at the bottom-left status bar in VS Code
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2. Click on the Python version shown
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3. Select your project's Python interpreter from the list
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</Tab>
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</Tabs>
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<Warning>
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If you see "No Python interpreter selected" or "Codeflash not installed" errors, verify that:
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- You've selected the correct Python interpreter
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- Codeflash is installed in that environment (`pip install codeflash`)
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</Warning>
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</Step>
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<Step title="Install Codeflash Package">
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If Codeflash is not installed in your selected Python environment, the extension prompts you to install it. Click the **"Install codeflash Python package"** button or run:
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```bash
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pip install codeflash
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```
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</Step>
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<Step title="Authentication">
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Authenticate with Codeflash using one of two methods:
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<Tabs>
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<Tab title="Browser Login (Recommended)">
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Click **"Sign in with Browser"** to authenticate via OAuth. This opens your browser where you can log in with your Codeflash account.
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<Tip>
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This is the easiest method — no need to copy/paste API keys!
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</Tip>
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</Tab>
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<Tab title="API Key">
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If you prefer to use an API key, you can:
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1. **Generate an API key** in the [Codeflash web app](https://app.codeflash.ai)
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2. **Copy the API key** from your account settings
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3. **Paste it** into the extension's authentication prompt
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<Tip>
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Don't have an account? [Sign up free at app.codeflash.ai](https://app.codeflash.ai/login)
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</Tip>
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</Tab>
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</Tabs>
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</Step>
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<Step title="Project Initialization">
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The extension runs `codeflash init` to configure your project if needed. This creates or updates your `pyproject.toml` with Codeflash settings.
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</Step>
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<Step title="Ready to Optimize">
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Once setup completes, you'll see "optimize" hints appear above your Python functions.
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</Step>
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</Steps>
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<Note>
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If you've already run `codeflash init` via CLI, the extension detects your
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existing configuration and skips to the ready state.
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</Note>
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### Changing the Python Interpreter
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If you need to switch to a different Python environment later:
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1. **Use VS Code's interpreter selector**: `Ctrl+Shift+P` → "Python: Select Interpreter"
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2. **The extension automatically reloads** when you change interpreters
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<Info>
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The extension uses the Python interpreter selected in VS Code. Make sure Codeflash is installed in the selected environment.
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</Info>
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---
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## Quick Start
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Once installed, here's the basic workflow:
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1. **Open a Python file** in your project
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2. **See "optimize" hints** appear above functions
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3. **Click to optimize** — the extension handles the rest
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4. **Review and accept** optimizations via inline comments
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For detailed feature documentation, see [Features](/editor-plugins/vscode/features).
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---
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## Using with CLI
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The extension works alongside the Codeflash CLI. You can:
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- **Use CLI for batch operations** — Run `codeflash --all` for large-scale optimization
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- **Use extension for interactive work** — Optimize individual functions as you code
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- **Mix both** — The extension picks up CLI results when you return to the editor
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---
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## Next Steps
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<CardGroup cols={2}>
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<Card title="Features" icon="sparkles" href="/editor-plugins/vscode/features">
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Learn about all extension features
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</Card>
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<Card title="Configuration" icon="gear" href="/editor-plugins/vscode/configuration">
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Customize extension settings
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</Card>
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<Card title="Troubleshooting" icon="wrench" href="/editor-plugins/vscode/troubleshooting">
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Fix common issues
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</Card>
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</CardGroup>
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---
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## Need Help?
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- **Discord** — [Join our community](https://www.codeflash.ai/discord)
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- **GitHub Issues** — [Report bugs or request features](https://github.com/codeflash-ai/codeflash/issues)
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- **Documentation** — [Full docs at docs.codeflash.ai](https://docs.codeflash.ai)
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