diff --git a/PKGBUILD b/PKGBUILD
index 7860438..3c34279 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -8,7 +8,7 @@ url="https://git.kske.dev/DieGurke/pwgen"
 license=('GPL')
 groups=()
 depends=('binutils' 'python')
-makedepends=('git')
+makedepends=('git' 'python-build' 'python-installer')
 checkupdates=()
 optdepends=('bash')
 provides=(pwgen)
@@ -26,9 +26,14 @@ pkgver() {
 	printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
 }
 
+build() {
+	python -m build --wheel --no-isolation
+}
+
 package() {
 	cd ${pkgname}
 	install -Dm644 README.md "${pkgdir}/usr/share/doc/${pkgname}/README.md"
 	install -Dm644 LICENSE "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
 	install -Dm755 pwgen.sh "${pkgdir}/usr/bin/pwgen"
+	python -m installer --destdir="$pkgdir" dist/*.whl
 }
diff --git a/pwgen.sh b/pwgen.sh
index 5d43fff..a6f7f6d 100755
--- a/pwgen.sh
+++ b/pwgen.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-imp="import pwgenerator as g;"
+imp="from src import pwgenerator as g;"
 
 function _help() {
 	echo "Usage: pwgen [length] [mode]"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..1a30317
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requres = ["setuptools>=42"]
+build-backend = "setuptools.build_meta"
diff --git a/src/__init__.py b/src/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/pwgenerator.py b/src/pwgenerator.py
new file mode 100644
index 0000000..b85b45b
--- /dev/null
+++ b/src/pwgenerator.py
@@ -0,0 +1,28 @@
+import random
+
+lower = "abcdefghijklmnopqrstuvwxyz"
+upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+numbers = "0123456789"
+symbols = "!$%&/?+*-#"
+
+def genNum(length):
+    gen(numbers, length)
+
+def genLetLow(length):
+    gen(lower, length)
+
+def genLetUp(length):
+    gen(upper, length)
+
+def genLet(length):
+    gen(lower + upper, length)
+
+def genLetNum(length):
+    gen(lower + upper + numbers, length)
+
+def genFull(length):
+    gen(lower + upper + numbers + symbols, length)
+
+def gen(chars, length):
+    print(''.join(random.choice(chars) for _ in range(length)))
+