diff --git a/env.sh b/env.sh
new file mode 100644
index 0000000..b763209
--- /dev/null
+++ b/env.sh
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: LGPL-2.1-only
+# Copyright 2022 Jookia <contact@jookia.org>
+
+activate() { . _build/venv/bin/activate; }
+
+die() {
+  rm -r venv
+  echo "$1"
+  exit 1
+}
+
+setup() {
+  echo "No venv found, creating..."
+  python -m venv venv || die "Unable to create venv"
+  echo "Activating venv..."
+  activate
+  echo "Updating pip..."
+  pip -q install -U pip || die "Unable to update pip"
+  echo "Installing requirements..."
+  pip -q install -r requirements.txt || die "Unable to install requirements"
+  touch venv/.stamp
+  echo "All done!"
+}
+ 
+if test -e venv/.stamp; then activate; else setup; fi
+
+dotidy() { black src tests; }
+dolint() { flake8 src tests; }
+dotest() { pytest -q -n auto --hypothesis-profile=dev; }
+dotest_ci() { pytest -q -n auto --hypothesis-profile=ci; }
+dotest_long() { pytest -q -n auto --hypothesis-profile=long; }
+docheck() { dotidy && dolint && dotest; }