OSX系统安装pip后仍提示‘pip: command not found’问题求助

Hey Andrew, let's work through why your pip command isn't being recognized even though easy_install says it's already installed. Here are some straightforward fixes to get you up and running with MoviePy:

方法1：用Python模块方式调用pip（最稳妥） #

Instead of typing just pip, use Python's built-in module system to invoke it—this avoids any PATH-related confusion and ensures you're using the pip tied to your active Python version:

sudo python -m pip install moviepy

This should directly trigger the pip installation for MoviePy without needing to hunt for the pip executable.

方法2：手动定位pip的路径 #

If the above doesn't work, let's find where pip is actually installed:

• First, run this command to check if your system can locate pip:

  which pip
  

  Or since your pip is for Python 2.7, try:

  which pip2
  

  If this returns nothing, pip's directory isn't in your system's PATH.

• Next, search for pip's exact location:

  find /usr/local/bin -name pip
  

  You'll likely see something like /usr/local/bin/pip as the result. Use this full path to run the installation:

  sudo /usr/local/bin/pip install moviepy
  

方法3：将pip目录添加到系统PATH（永久生效） #

To make the pip command work directly in future terminal sessions, add its directory to your PATH:

• Temporary fix (only for current terminal window):

  export PATH=/usr/local/bin:$PATH
  

  Now test with pip --version—it should show up! Then you can run sudo pip install moviepy as intended.

• Permanent fix:
  Edit your shell configuration file (either ~/.bash_profile for Bash or ~/.zshrc for Zsh) and add this line at the bottom:

  export PATH=/usr/local/bin:$PATH
  

  Save the file, then restart your terminal or run source ~/.bash_profile (or source ~/.zshrc) to apply the changes. From now on, pip will be recognized whenever you open a terminal.

额外建议 #

OSX's built-in Python can sometimes have permission quirks. For long-term projects, consider using a virtual environment (like virtualenv or venv) to manage dependencies without needing sudo—but for getting MoviePy installed quickly, the above steps should do the trick.

内容的提问来源于stack exchange，提问作者Andrew