Python 3.3.1第三方包安装求助：pip install报SyntaxError错误

Hey there! I totally get the frustration of working with an older Python version when you're just starting out—let's break this down step by step to get your packages installed properly.

Unlike newer Python versions (3.4+), Python 3.3 doesn’t come with pip pre-installed, so we need to manually set up a compatible version of pip first. Newer pip releases drop support for Python 3.3, so we’ll target pip 9.0.3 (the last version that works with 3.3):

• Grab a version of get-pip.py that’s compatible with Python 3.3 (look for releases tied to pip 9.x if you’re retrieving it from an archive).
• Run this command using your Python 3.3.1 interpreter to install pip:

  python get-pip.py pip==9.0.3
  

• To confirm pip is linked to the right Python version, run python -m pip --version—it should show Python 3.3.1 in the output.

All the packages you listed have newer releases that no longer support Python 3.3, so you’ll need to specify the latest version that still works with 3.3. Use these commands (stick with python -m pip to avoid mixing up with other Python versions on your system):

• Numpy:

  python -m pip install numpy==1.12.1
  

• Pandas:

  python -m pip install pandas==0.20.3
  

• Scipy:

  python -m pip install scipy==0.19.1
  

• Scikit-learn:

  python -m pip install scikit-learn==0.19.2
  

• Matplotlib:

  python -m pip install matplotlib==2.0.2
  

• Compilation Errors (scipy/matplotlib): On Linux, you’ll need system dependencies like gcc, gfortran, libblas-dev, and liblapack-dev installed before compiling these packages. On Windows, compiling is tricky—look for pre-built .whl files made specifically for Python 3.3, then install them with python -m pip install path/to/your-wheel-file.whl.
• Pip Update Warnings: Ignore prompts to update pip to the latest version—newer pip releases won’t work with Python 3.3. Stick with pip 9.x.
• Environment Mix-Ups: Always verify your Python version first with python --version to make sure you’re using 3.3.1 before running any pip commands.

内容的提问来源于stack exchange，提问作者Naresh