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mem0/mem0-plugin/scripts/ensure_deps.sh
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#!/usr/bin/env bash
# Install mem0ai SDK into a persistent venv inside CLAUDE_PLUGIN_DATA.
# Runs on SessionStart; skips if requirements.txt hasn't changed.
set -euo pipefail
PLUGIN_ROOT="${CLAUDE_PLUGIN_ROOT:-$(cd "$(dirname "$0")/.." && pwd)}"
DATA_DIR="${CLAUDE_PLUGIN_DATA:-${HOME}/.mem0/plugin-data}"
VENV_DIR="${DATA_DIR}/venv"
REQ_SRC="${PLUGIN_ROOT}/requirements.txt"
REQ_STAMP="${DATA_DIR}/requirements.txt"
mkdir -p "${DATA_DIR}"
needs_install=false
if [ ! -f "${VENV_DIR}/bin/python3" ]; then
needs_install=true
elif ! diff -q "${REQ_SRC}" "${REQ_STAMP}" >/dev/null 2>&1; then
needs_install=true
fi
if [ "${needs_install}" = "true" ]; then
python3 -m venv "${VENV_DIR}" 2>/dev/null || python -m venv "${VENV_DIR}"
"${VENV_DIR}/bin/pip" install --quiet --upgrade pip >/dev/null 2>&1 || true
if "${VENV_DIR}/bin/pip" install --quiet -r "${REQ_SRC}" 2>/dev/null; then
cp "${REQ_SRC}" "${REQ_STAMP}"
else
rm -f "${REQ_STAMP}"
echo "mem0 plugin: failed to install Python dependencies" >&2
exit 0
fi
fi