I already have Python 2.7 on Windows 10, and needed Python 3.x keeping 2.7. This method works fine with Eclipse Pydev as well. There are other ways to do have Python 2 and 3 together in Windows system, but I found this way is the simplest and easiest.
Environment:
Windows 10 64-bit. Python 2.7 64-bit, Eclipse+Pydev are already installed.
Steps:
- Download Python 3.x 64-bit (Windows Installer) -- same for 32-bit.
NOTE: as of today (2017/1/4), it's better to install Python 3.5 (https://www.python.org/downloads/release/python-352/), not the latest 3.6, since TensorFlow is now available for Windows but it only installs with python 3.5, not 3.6. - Install it with default setting. Do not add it to PATH.
- Run Eclipse
- Go to Windows -> Preferences -> Pydev -> Interpreters -> Python Interpreters, then click on "Quick Auto-config"
How to use it:
- Python 3.6 for Windows installer installs it in:
C:\Users\<USERNAME>\AppData\Local\Programs\Python\Python36\python.exe
My Python 2.7 is installed in:
C:\opt\Python27\python.exe
Since the PATH is not added, if you type "python" in console, it's Python 2.7. - To use Python 2 or 3:
- Python 2: py -2 <script name>
- Python 3: py -3 <script name>
- Python 2 PIP: py -2 -m pip install <module>
- Python 3 PIP: py -3 -m pip install <module>
- Eclipse-Pydev
- New Pydev project
- Set Grammar version
- Set Interpreter
RESOURCES
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