Adds a basic stub file generator

.pre-commit-config.yaml

@@ -33,4 +33,4 @@ repos:
         # field in pyproject.toml. Add a `-` after the Python version
         # to say for `3.8-` "even if this code would work on 3.7,
         # that's fine".
-        args: ["--eval-annotations", "--no-parse-comments", "--no-tips", "--violations", "-t=3.8-"]
+        args: ["--eval-annotations", "--no-tips", "--violations", "-t=3.8-"]

pyproject.toml

@@ -42,6 +42,8 @@ docs = [
 ]
 dev = [
     "bytewax[cbfmt,docs,kafka,test]",
+    "astor==0.8.1 ; python_version <= '3.8'",
+    "graphlib_backport==1.0.3 ; python_version <= '3.8'",
     "pre-commit==2.19.0",
     "ruff==0.1.8",
     "vermin==1.5.2",
@@ -76,6 +78,7 @@ testpaths = [
 ]
 
 [tool.maturin]
+module-name = "bytewax._bytewax"
 python-source = "pysrc"
 
 [tool.mypy]