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Slavi PantaleevandClaude Opus 5.5
a029d6f336
bin/ansible-python.sh runs Python with the interpreter named in the first line of `ansible-playbook`. That interpreter has PyYAML, since Ansible depends on it, even when Ansible is installed in an environment of its own (e.g. with pipx), where the system's `python3` may lack it. If it is not a Python interpreter (e.g. `ansible-playbook` is a wrapper script), or Ansible is missing, `python3` is used. Role installation, which needs PyYAML, is the first to use it in the next commit, so that it works without installing PyYAML separately. The same script in mash-playbook (where its tests live): https://github.com/mother-of-all-self-hosting/mash-playbook/commit/1fe0f90f Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
45 lines
1.5 KiB
Bash
Executable File
45 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-FileCopyrightText: 2026 MASH project contributors
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# SPDX-FileCopyrightText: 2026 Slavi Pantaleev
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# Runs Python (with the given arguments) using the interpreter which runs Ansible.
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#
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# The playbook's Python scripts need PyYAML, which Ansible depends on. The interpreter which runs Ansible
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# therefore has it, even when Ansible is installed in an environment of its own (e.g. with pipx),
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# where the system's `python3` may lack it.
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#
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# The interpreter is taken from the first line (shebang) of `ansible-playbook`.
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# If that is not a Python interpreter (e.g. `ansible-playbook` is a wrapper script), or Ansible is not installed,
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# `python3` is used.
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set -eu
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python=python3
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ansible_playbook_path=$(command -v ansible-playbook 2>/dev/null || true)
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if [ -n "$ansible_playbook_path" ] && [ -f "$ansible_playbook_path" ]; then
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shebang=$(head -n 1 "$ansible_playbook_path")
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case "$shebang" in
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"#!"*)
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read -r interpreter next_word _ <<EOF
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${shebang#"#!"}
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EOF
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# `#!/usr/bin/env python3` names the interpreter in the next word
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if [ "$(basename "$interpreter")" = "env" ]; then
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interpreter=${next_word:-}
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fi
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case "$(basename "${interpreter:-none}")" in
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python*)
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if command -v "$interpreter" >/dev/null 2>&1; then
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python=$interpreter
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fi
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;;
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esac
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;;
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esac
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fi
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exec "$python" "$@"
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