diff --git a/namespace-inject.py b/namespace-inject.py
new file mode 100644
index 0000000..d9c4f79
--- /dev/null
+++ b/namespace-inject.py
@@ -0,0 +1,52 @@
+# import new
+
+
+from types import FunctionType
+
+
+def my_func(pstr: str) -> None:
+
+    def foo() -> None:
+        print(f"{pstr = }")
+
+    foo()
+
+
+def my_func2(pstr: str) -> None:
+    foo()
+
+
+def func_test(f: FunctionType) -> None:
+    print(f"{f.__name__ } = {f}, {f.__code__.co_name = }")
+    f("narf")
+    f("zort")
+
+
+def main() -> None:
+    func_test(my_func)
+
+    fcode = my_func.__code__.replace(
+        co_name="foo",
+        co_qualname="foo",
+        co_nlocals=3,
+        co_varnames=("pstr", "foo", "lol")
+    )
+
+    f = FunctionType(
+        name="foo",
+        code=fcode,
+        globals=my_func.__globals__,
+    )
+
+    func_test(f)
+
+    import json
+
+    print(json.dumps({
+        name: repr(getattr(f.__code__, name))
+        for name in dir(f.__code__)
+    }, indent=2))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..022bbde
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Poetry 1.4.2 and should not be changed by hand.
+package = []
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.10"
+content-hash = "53f2eabc9c26446fbcc00d348c47878e118afc2054778c3c803a0a8028af27d9"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..5b26a1c
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,16 @@
+[tool.poetry]
+name = "cursed-snakes"
+version = "0.1.0"
+description = ""
+authors = ["Jörn-Michael Miehe <jmm@yavook.de>"]
+license = "MIT"
+readme = "README.md"
+packages = [{include = "cursed_snakes"}]
+
+[tool.poetry.dependencies]
+python = "^3.10"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"