graphify/tools/skillgen/fragments/shell/posix.md at ea8b804b7f98e19346b110e5cb42014f07eaa753

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mohammedMsgmandClaude Opus 4.8 ea8b804b7f Fix uv interpreter detection falling back to graphify-less python (#1735 )

Step 1's POSIX interpreter probe ran `uv tool run graphifyy python -c ...`,
but the graphifyy package exposes its executable as `graphify`, so uv treated
`python` as a missing `graphifyy` command. The probe failed, and `2>/dev/null`
swallowed uv's "use --from" hint, leaving PYTHON on a system interpreter that
does not have graphify installed. The probe now runs
`uv tool run --from graphifyy python -c ...`.

Applied to the skillgen source fragments (shell/posix.md and the aider/devin
monoliths) and regenerated all skill*.md; added a sanctioned monolith-diff
predicate and re-blessed the expected/ snapshots. The PowerShell path was
already correct (it probes the venv python.exe directly).

Reported and originally patched by @mohammedMsgm in #1736.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-07-08 23:08:05 +01:00

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# Detect the correct Python interpreter (handles uv tool, pipx, venv, system installs)
PYTHON=""
GRAPHIFY_BIN=$(which graphify 2>/dev/null)
# 1. uv tool installs — most reliable on modern Mac/Linux
if [ -z "$PYTHON" ] && command -v uv >/dev/null 2>&1; then
    _UV_PY=$(uv tool run --from graphifyy python -c "import sys; print(sys.executable)" 2>/dev/null)
    if [ -n "$_UV_PY" ]; then PYTHON="$_UV_PY"; fi
fi
# 2. Read shebang from graphify binary (pipx and direct pip installs)
if [ -z "$PYTHON" ] && [ -n "$GRAPHIFY_BIN" ]; then
    _SHEBANG=$(head -1 "$GRAPHIFY_BIN" | tr -d '#!')
    case "$_SHEBANG" in
        *[!a-zA-Z0-9/_.@-]*) ;;
        *) "$_SHEBANG" -c "import graphify" 2>/dev/null && PYTHON="$_SHEBANG" ;;
    esac
fi
# 3. Fall back to python3
if [ -z "$PYTHON" ]; then PYTHON="python3"; fi
if ! "$PYTHON" -c "import graphify" 2>/dev/null; then
    if command -v uv >/dev/null 2>&1; then
        uv tool install --upgrade graphifyy -q 2>&1 | tail -3
        _UV_PY=$(uv tool run --from graphifyy python -c "import sys; print(sys.executable)" 2>/dev/null)
        if [ -n "$_UV_PY" ]; then PYTHON="$_UV_PY"; fi
    else
        "$PYTHON" -m pip install graphifyy -q 2>/dev/null \
          || "$PYTHON" -m pip install graphifyy -q --break-system-packages 2>&1 | tail -3
    fi
fi
# Write interpreter path for all subsequent steps (persists across invocations)
mkdir -p graphify-out
"$PYTHON" -c "import sys; open('graphify-out/.graphify_python', 'w', encoding='utf-8').write(sys.executable)"
# Save scan root so `graphify update` (no args) knows where to look next time
echo "$(cd INPUT_PATH && pwd)" > graphify-out/.graphify_root

If the import succeeds, print nothing and move straight to Step 2.

In every subsequent bash block, replace python3 with $(cat graphify-out/.graphify_python) to use the correct interpreter.

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