Python 3.11在PyCharm中调试异常：大量警告无法解决

问题现象 #

代码可正常运行，但调试时弹出大量PyDev警告：

-------------------------------------------------------------------------------
pydev debugger: CRITICAL WARNING: This version of python seems to be incorrectly compiled (internal generated filenames are not absolute)
pydev debugger: The debugger may still function, but it will work slower and may miss breakpoints.
pydev debugger: Related bug: http://bugs.python.org/issue1666807
-------------------------------------------------------------------------------
Connected to pydev debugger (build 221.5080.212)
pydev debugger: Unable to find real location for: <frozen codecs>
pydev debugger: Unable to find real location for: <frozen importlib._bootstrap>
pydev debugger: Unable to find real location for: <frozen importlib._bootstrap_external>
pydev debugger: Unable to find real location for: <frozen zipimport>
pydev debugger: Unable to find real location for: <frozen ntpath>
pydev debugger: Unable to find real location for: <frozen genericpath>
pydev debugger: Unable to find real location for: <frozen os>
pydev debugger: Unable to find real location for: <frozen _collections_abc>
pydev debugger: Unable to find real location for: <string>
pydev debugger: Unable to find real location for: <frozen abc>
pydev debugger: Unable to find real location for: <__array_function__ internals>
pydev debugger: Unable to find real location for: <frozen io>

注：Python安装在C:\Program Files（全局路径）。

解决方法 #

方法一：重装Python到无空格路径（推荐）

• 卸载当前Python 3.11，重新安装到无空格的路径，比如C:\Python311
• 安装时勾选「Add Python to PATH」，选择「仅为当前用户安装」（避免权限及路径解析问题）
• 删除项目旧的venv文件夹，在PyCharm中重新创建虚拟环境，选择新安装的Python 3.11作为基础解释器

方法二：禁用PyDev文件路径校验（无需重装）

• 打开PyCharm的「Run/Debug Configurations」（右上角运行按钮下拉框→Edit Configurations）
• 选中你的调试配置，切换到「Configuration」标签页
• 点击「Environment variables」，添加变量PYDEVD_DISABLE_FILE_VALIDATION=1
• 保存配置后重启PyCharm，重新调试

验证 #

调试项目，查看警告是否消失，调试功能是否正常使用。

内容的提问来源于stack exchange，提问作者maxxel_