Ubuntu 20下PyCharm代码补全异常求助：输入‘pri’无‘print’提示

Hey there! Let’s work through this code completion issue together—nothing’s more frustrating than missing those handy auto-suggestions when you’re starting out with Python. Here are some tried-and-true steps to get your 'print' prompt back when typing 'pri' in PyCharm on Ubuntu 20:

1. Verify Your Python Interpreter Configuration #

PyCharm relies on a correctly linked Python interpreter to know what keywords and functions to suggest. Here’s how to check:

• Go to File > Settings > Project: [Your Project Name] > Python Interpreter
• Make sure you’ve selected a valid Python 3.x interpreter (Ubuntu 20 defaults to Python 3, but double-check it’s not pointing to a broken or incompatible environment)
• If the interpreter looks wrong, click the gear icon > Add, navigate to your system Python path (usually /usr/bin/python3) or your virtual environment’s Python, then apply the changes

2. Clear PyCharm’s Cache & Restart #

Corrupted cache files often cause weird glitches with code completion. Let’s wipe them out:

• Go to File > Invalidate Caches...
• Check the box for Clear file system cache and local history
• Click Invalidate and Restart—give PyCharm a minute to rebuild its caches after restarting, then test the 'pri' input again

3. Double-Check Code Completion Settings #

You mentioned you’ve tweaked these, but let’s confirm all the right boxes are checked:

• Head to File > Settings > Editor > General > Code Completion
  • Ensure Autopopup code completion and Show suggestions as you type are both enabled
• Then go to Editor > Languages & Frameworks > Python > Code Completion
  • Make sure Completion for keywords is ticked—this is what tells PyCharm to suggest built-in keywords like print

4. Check for Naming Conflicts #

If your project has a file named print.py, PyCharm will prioritize that over the built-in print function, killing the suggestion. Do a quick scan of your project files and rename any file that shares a name with a Python built-in. Also, confirm your current file has a .py extension—PyCharm won’t offer Python-specific suggestions for non-Python files.

5. Update PyCharm to the Latest Version #

Older PyCharm versions might have compatibility issues with Ubuntu 20. To update:

• Go to Help > Check for Updates...
• If an update is available, follow the prompts to install it, then restart PyCharm

6. Test with a Fresh Project & Default Input Method #

• Try creating a brand new Python project in PyCharm—if the 'print' suggestion works there, the issue is likely with your original project’s configuration
• Sometimes third-party input methods can interfere with PyCharm’s input detection. Switch to Ubuntu’s default English keyboard and try typing 'pri' again to rule this out

If none of these steps work, you could also try reinstalling PyCharm (make sure to back up your settings first), but the above fixes usually resolve this issue.

内容的提问来源于stack exchange，提问作者Phú Nguyễn