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#!/usr/bin/env bash
#
# Nuitka Build Helper Script
#
# Compiles Python scripts into standalone executables using Nuitka with
# dependency management via uv.
set -euo pipefail
_parse_dependecies() {
cat <<EOF | python3 - "$1"
import platform
import re
import sys
import tomllib
REGEX = r"(?m)^# /// (?P<type>[a-zA-Z0-9-]+)$\s(?P<content>(^#(| .*)$\s)+)^# ///$"
def read(script: str) -> dict | None:
name = "script"
matches = list(filter(lambda m: m.group("type") == name, re.finditer(REGEX, script)))
if len(matches) > 1:
raise ValueError(f"Multiple {name} blocks found")
elif len(matches) == 1:
content = "".join(
line[2:] if line.startswith("# ") else line[1:]
for line in matches[0].group("content").splitlines(keepends=True)
)
return tomllib.loads(content)
else:
return {}
with open(sys.argv[1], "r") as fd:
script = fd.read()
metadata = read(script)
python_version = metadata.get("requires-python", platform.python_version())
dependencies = metadata.get("dependencies", [])
print(python_version)
if dependencies:
print("\n".join(dependencies))
EOF
}
main() {
if [[ $# -ne 1 ]]; then
echo "Usage: $0 <python_script.py>" >&2
exit 1
fi
local script="$1"
if [[ ! -f "$script" ]]; then
echo "Error: Script '$script' not found" >&2
exit 2
fi
{
local python_version
local -a dependencies=()
IFS= read -r python_version
readarray -t dependencies
local cmd=(uv run)
cmd+=(--python "$python_version")
for dependency in "${dependencies[@]}"; do
cmd+=(--with "$dependency")
done
cmd+=(--with 'Nuitka[onefile]')
cmd+=(python -m nuitka --standalone --onefile "$script")
"${cmd[@]}"
} < <(_parse_dependecies "$script")
}
main "$@"
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