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Flake8 build system for Sublime Text 3


  • Install flake8
  • pip install flake8
  • Save Flake8.sublime-build to your Sublime Text Packages/User directory


  • Ctrl+b - run Flake8 on current file and show result window
  • F4 - next error
  • Shift+F4 - previous error
  • Ctrl+Shift+b - run file
"shell_cmd": "flake8 $file; echo",
"file_regex": "^(.*):(\\d+):(\\d+): (.*)$",
"selector": "source.python",
"variants": [
"shell_cmd": "python -u $file",
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"name": "Run"
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