Run module as script

Serve current directory over HTTP on port 8080

python3 -m http.server 8080
tool
python15 commands
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python

More python commands

  • One-liner JSON pretty print
    python3 -m json.tool < input.json

    Pretty-print a JSON file using stdlib

  • Profile script
    python3 -m cProfile -s cumulative script.py | head -30

    CPU profiling sorted by cumulative time

  • Debug with pdb
    python3 -m pdb script.py

    Start script under the Python debugger

  • Set breakpoint in code
    breakpoint() # Python 3.7+ — drops into pdb at this line

    Built-in breakpoint() is equivalent to import pdb; pdb.set_trace()

  • Run tests with pytest
    pytest -x -v --tb=short tests/

    Stop at first failure, verbose, short traceback

all 15 python commands