diff --git a/README.md b/README.md
index 979c4cf..29d981a 100644
--- a/README.md
+++ b/README.md
@@ -1 +1 @@
-# lazimport
\ No newline at end of file
+# LazImp
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..ba5ebb4
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,25 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "lazimp"
+version = "0.0.1"
+authors = [
+    { name = "Dorian Turba", email = "dturba.pro@protonmail.com" },
+]
+description = "Lazy import of packages and modules"
+readme = "README.md"
+requires-python = ">=3.10"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+    "Development Status :: 2 - Pre-Alpha",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+]
+
+[project.urls]
+"Homepage" = "https://github.com/Vikka/lazimport"
+"Bug Tracker" = "https://github.com/Vikka/lazimport/issues"
diff --git a/src/lazimp/__init__.py b/src/lazimp/__init__.py
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/lazimp/__init__.py
@@ -0,0 +1 @@
+
diff --git a/src/lazimp/main.py b/src/lazimp/main.py
new file mode 100644
index 0000000..253d212
--- /dev/null
+++ b/src/lazimp/main.py
@@ -0,0 +1,31 @@
+import collections.abc
+
+
+def lazy_import(
+        bare_import: collections.abc.Container | None = None,
+        sub_import: collections.abc.Mapping[str, str | None] | None = None,
+):
+    if bare_import is None:
+        bare_import = set()
+    if sub_import is None:
+        sub_import = {}
+
+    import functools
+    import importlib
+
+    @functools.cache
+    def getattr_(name: str):
+        if name not in bare_import and name not in sub_import:
+            raise AttributeError(
+                f'module {__name__!r} has no attribute {name!r}'
+            ) from None
+
+        try:
+            return importlib.import_module(f'.{name}',
+                                           sub_import.get(name, str))
+        except ModuleNotFoundError:
+            raise AttributeError(
+                f'module {__name__!r} has no attribute {name!r}'
+            ) from None
+
+    return getattr_