1#!/usr/bin/env bash
 2set -euo pipefail
 3
 4if ! command -v python3 >/dev/null 2>&1; then
 5  echo "error: python3 not found in PATH" >&2
 6  exit 1
 7fi
 8
 9if ! command -v ctags >/dev/null 2>&1; then
10  echo "error: ctags not found in PATH" >&2
11  exit 1
12fi
13
14std_dir="$(python3 -c "import sysconfig; print(sysconfig.get_path('stdlib'))" 2>/dev/null || true)"
15
16if [[ -z "${std_dir}" || ! -d "${std_dir}" ]]; then
17  echo "error: could not locate python std directory" >&2
18  exit 1
19fi
20
21cache_dir="${XDG_CACHE_HOME:-$HOME/.cache}/tags"
22target="${cache_dir}/python_std.tags"
23
24mkdir -p "${cache_dir}"
25
26echo "Generating Python standard library tags from ${std_dir}..."
27ctags --exclude="*/site-packages/*" \
28      --exclude="*/test/*" \
29      --exclude="*/tests/*" \
30      --exclude="*/idlelib/*" \
31      -f "${target}" "${std_dir}"
32echo "Saved tags to ${target} ($(du -h "${target}" | cut -f1))"