mirror of
https://github.com/Bubberstation/Bubberstation.git
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67b4aa190e
* Add tools/bootstrap/python * Add dependencies.sh entry for Python * Use bootstrapped Python for HitboxExpander * Use bootstrapped Python when installing hooks Also: - Adds tools/hooks/Uninstall.bat - Removes the need to re-run Install.bat when a .hook file changes Python path temporarily includes tools/mapmerge2 as before: - PYTHONPATH in tools/hooks/python.sh handles Linux/virtualenv - python36._pth handles Windows portable * Move DMI merge driver to its own directory * Use bootstrapped Python for makeChangelog.bat * Set window title in bootstrap PS scripts * Use slashes in hook paths * Use relative imports in mapmerge2 * Use bootstrapped Python for mapmerge * Update mapmerge2 readme * Skip non-3way conflicts * Fix relative path issue in posthoc merger * Add missing call and %* to .bat files * When installing hooks, don't uninstall them all first * Make dependencies.sh POSIX * Move update_paths.py to its own folder * Use line buffering for Python stdout/stderr It was switching to fully-buffered mode due to being piped, meaning we wouldn't see output until the script ended. This is undesirable. * Use new path to dmi.test in CI suite * Validate system Python version in bootstrap script * Add install advice to bootstrap script * Update path to requirements.txt in CI * Add upgrader for existing installations
118 lines
4.0 KiB
Bash
Executable File
118 lines
4.0 KiB
Bash
Executable File
#!/bin/sh
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# bootstrap/python
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#
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# Python-finding script for all `sh` environments, including Linux, MSYS2,
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# Git for Windows, and GitHub Desktop. Invokable from CLI or automation.
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#
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# If a python.exe installed by `python_.ps1` is present, it will be used.
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# Otherwise, this script requires a system `python3` and `pip` to be provided,
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# and will create a standard virtualenv in which to install `requirements.txt`.
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set -e
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# Convenience variables
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Bootstrap="$(dirname "$0")"
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Sdk="$(dirname "$Bootstrap")"
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Cache="$Bootstrap/.cache"
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if [ "$TG_BOOTSTRAP_CACHE" ]; then
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Cache="$TG_BOOTSTRAP_CACHE"
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fi
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OldPWD="$PWD"
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cd "$Bootstrap/../.."
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. ./dependencies.sh # sets PYTHON_VERSION
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cd "$OldPWD"
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PythonVersion="$PYTHON_VERSION"
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PythonDir="$Cache/python-$PythonVersion"
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PythonExe="$PythonDir/python.exe"
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Log="$Cache/last-command.log"
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# If a portable Python for Windows is not present, search on $PATH.
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if [ "$(uname)" = "Linux" ] || [ ! -f "$PythonExe" ]; then
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# Strip the "App Execution Aliases" from $PATH. Even if the user installed
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# Python using the Windows Store on purpose, these aliases always generate
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# "Permission denied" errors when sh.exe tries to invoke them.
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PATH=$(echo "$PATH" | tr ":" "\n" | grep -v "AppData/Local/Microsoft/WindowsApps" | tr "\n" ":")
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# Try to find a Python executable.
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if command -v python3 >/dev/null 2>&1; then
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PythonExe=python3
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elif command -v python >/dev/null 2>&1; then
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PythonExe=python
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elif command -v py >/dev/null 2>&1; then
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PythonExe="py -3"
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else
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echo
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if command -v apt-get >/dev/null 2>&1; then
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echo "Please install Python using your system's package manager:"
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echo " sudo apt-get install python3 python3-pip"
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elif [ "$(uname -o)" = "Msys" ]; then
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echo "Please run tools/bootstrap/python.bat instead of tools/bootstrap/python once to"
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echo "install Python automatically, or install it from https://www.python.org/downloads/"
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# TODO: give MSYS pacman advice?
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elif command -v pacman >/dev/null 2>&1; then
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echo "Please install Python using your system's package manager:"
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echo " sudo pacman -S python python-pip"
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else
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echo "Please install Python from https://www.python.org/downloads/ or using your system's package manager."
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fi
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echo
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exit 1
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fi
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# Create a venv and activate it
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PythonDir="$Cache/venv"
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if [ ! -d "$PythonDir" ]; then
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echo "Creating virtualenv..."
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"$PythonExe" -m venv "$PythonDir"
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fi
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if [ -f "$PythonDir/bin/python" ]; then
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PythonExe="$PythonDir/bin/python"
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elif [ -f "$PythonDir/scripts/python3.exe" ]; then
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PythonExe="$PythonDir/scripts/python3.exe";
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else
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echo "bootstrap/python failed to find the python executable inside its virtualenv"
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exit 1
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fi
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fi
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# Use pip to install our requirements
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if [ ! -f "$PythonDir/requirements.txt" ] || [ "$(b2sum < "$Sdk/requirements.txt")" != "$(b2sum < "$PythonDir/requirements.txt")" ]; then
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echo "Updating dependencies..."
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"$PythonExe" -m pip install -U pip -r "$Sdk/requirements.txt"
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cp "$Sdk/requirements.txt" "$PythonDir/requirements.txt"
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echo "---"
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fi
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# Verify version and deduce the path separator
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PythonMajor=${PythonVersion%%.*}
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PythonMinor=${PythonVersion#*.}
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PythonMinor=${PythonMinor%.*}
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PATHSEP=$("$PythonExe" - "$PythonMajor" "$PythonMinor" <<'EOF'
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import sys, os
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if sys.version_info.major != int(sys.argv[1]) or sys.version_info.minor < int(sys.argv[2]):
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print("Error: Python ", sys.argv[1], ".", sys.argv[2], " or later is required, but you have:\n", sys.version, sep="", file=sys.stderr)
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exit(1)
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print(os.pathsep)
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EOF
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)
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# Cheap shell function if tee.exe is not available
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if ! command -v tee >/dev/null 2>&1; then
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tee() {
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# Fudge: assume $1 is always "-a"
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while read -r line; do
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echo "$line" >> "$2"
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echo "$line"
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done
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}
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fi
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# Invoke python with all command-line arguments
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export PYTHONPATH="$Sdk$PATHSEP${PYTHONPATH:-}"
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mkdir -p "$Cache"
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printf '%s\n' "$PythonExe" "$@" > "$Log"
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printf -- '---\n' >> "$Log"
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exec 4>&1
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exitstatus=$({ { set +e; "$PythonExe" -u "$@" 2>&1 3>&-; printf %s $? >&3; } 4>&- | tee -a "$Log" 1>&4; } 3>&1)
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exec 4>&-
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exit "$exitstatus"
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