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allendowney
GitHub Repository: allendowney/cpython
Path: blob/main/PC/launcher-usage.txt
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Python Launcher for Windows Version %s
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usage:
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%s [launcher-args] [python-args] [script [script-args]]
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Launcher arguments:
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-2 : Launch the latest Python 2.x version
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-3 : Launch the latest Python 3.x version
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-X.Y : Launch the specified Python version
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The above default to an architecture native runtime, but will select any
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available. Add a "-32" to the argument to only launch 32-bit runtimes,
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or add "-64" to omit 32-bit runtimes (this latter option is deprecated).
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To select a specific runtime, use the -V: options.
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-V:TAG : Launch a Python runtime with the specified tag
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-V:COMPANY/TAG : Launch a Python runtime from the specified company and
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with the specified tag
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-0 --list : List the available pythons
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-0p --list-paths : List with paths
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If no options are given but a script is specified, the script is checked for a
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shebang line. Otherwise, an active virtual environment or global default will
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be selected.
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See https://docs.python.org/using/windows.html#python-launcher-for-windows for
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additional configuration.
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The following help text is from Python:
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