feat: Enhance virtual environment setup to handle paths with ':' and use a safe cache directory

Author: dturovskiy

run.sh

@@ -5,7 +5,27 @@
 set -euo pipefail
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-VENV_DIR="$SCRIPT_DIR/.venv"
+
+# Allow override from env, otherwise default to project-local .venv
+DEFAULT_VENV_DIR="$SCRIPT_DIR/.venv"
+VENV_DIR="${VENV_DIR:-$DEFAULT_VENV_DIR}"
+
+# If the project path contains ':' (GVFS sftp:host=...), venv creation will fail.
+# In that case, place venv in a local cache directory with a safe path.
+if [[ "$SCRIPT_DIR" == *:* ]]; then
+    SAFE_BASE="${XDG_CACHE_HOME:-$HOME/.cache}/venvs"
+    mkdir -p "$SAFE_BASE"
+
+    # Use a stable name; add a short hash to avoid collisions across different paths.
+    if command -v sha1sum >/dev/null 2>&1; then
+        PATH_HASH="$(printf "%s" "$SCRIPT_DIR" | sha1sum | awk '{print substr($1,1,10)}')"
+    else
+        PATH_HASH="nohash"
+    fi
+
+    VENV_DIR="$SAFE_BASE/$(basename "$SCRIPT_DIR")-$PATH_HASH"
+    echo "⚠️ Detected ':' in path ($SCRIPT_DIR). Using venv at: $VENV_DIR"
+fi
 
 # 1) Create venv if it doesn't exist
 if [ ! -d "$VENV_DIR" ]; then
@@ -21,3 +41,4 @@ echo "📦 Installing dependencies…"
 # 3) Run the exporter, forwarding all CLI arguments
 echo "🚀 Starting exporter…"
 "$VENV_DIR/bin/python" "$SCRIPT_DIR/binance_ohlcv_exporter.py" "$@"
+