setup-python-env
Set up a Python virtual environment and install Reflex. Use when initializing a new Reflex project, setting up a development environment, or when the user needs to create a venv and install dependencies. Load when there is no .venv directory, when the user asks to start a new Reflex app, or when imports fail due to missing packages.
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- reflex-dev/xy
- 最近来源活动
- 2026年7月20日 17:48
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SKILL.md
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- setup-python-env
- description
- Set up a Python virtual environment and install Reflex. Use when initializing a new Reflex project, setting up a development environment, or when the user needs to create a venv and install dependencies. Load when there is no .venv directory, when the user asks to start a new Reflex app, or when imports fail due to missing packages.
# Python Environment Setup for Reflex
This skill handles creating a Python virtual environment and installing Reflex.
## Step 1: Check for an existing virtual environment
Look for a `.venv` directory in the project root:
```bash
ls -d .venv 2>/dev/null
```
If `.venv` exists, activate it and skip to **Step 3**.
```bash
source .venv/bin/activate
```
## Step 2: Create the virtual environment
If no `.venv` exists, determine which tools are available.
### Option A: `uv` is available
Check if `uv` is installed:
```bash
uv --version
```
If `uv` is found:
1. If no `pyproject.toml` exists, initialize one:
```bash
uv init --bare
```
2. Create the virtual environment:
```bash
uv venv .venv
```
3. Activate it:
```bash
source .venv/bin/activate
```
Skip to **Step 3**.
### Option B: Fall back to `python` / `pip`
If `uv` is not available, check the Python version:
```bash
python3 --version
```
If the version is **older than 3.10**, stop and inform the user:
> Python 3.10 or newer is required. Please install a more up-to-date version of Python before continuing.
If the version is **3.10 or newer**:
1. Create the virtual environment:
```bash
python3 -m venv .venv
```
2. Activate it:
```bash
source .venv/bin/activate
```
3. Upgrade pip:
```bash
pip install --upgrade pip
```
## Step 3: Install Reflex
Check if Reflex is already installed:
```bash
pip show reflex 2>/dev/null
```
If Reflex is **not** installed:
### If using `uv`:
```bash
uv add reflex
```
### If using `pip`:
```bash
pip install reflex
```
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