try some variation on the setup.py

pyproject.toml

@@ -10,7 +10,33 @@ extend-exclude = '''
 
 [build-system]
 requires = [
-    "setuptools>=42",
+    "setuptools>=64",
     "wheel",
     "cmdstanpy>=1.0.4",
+]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "orbit"
+dynamic = ["version"]
+description = "Orbit is a package for Bayesian time series modeling and inference."
+readme = "README.md"
+requires-python = ">=3.7"
+dependencies = [
+  "cmdstanpy>=1.0.4",
+  "numpy>=1.15.4",
+  "matplotlib>=2.0.0",
+  "pandas>=1.0.4",
+  "tqdm>=4.36.1",
+  "importlib_resources",
+]
+license = {text = "Apache License 2.0"}
+classifiers = [
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.7",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
 ]

setup.py

@@ -5,11 +5,12 @@
 import tempfile
 from shutil import copy, copytree, rmtree
 
-from setuptools import setup, find_packages
+from setuptools import setup, find_packages, Extension
 from setuptools.command.build_py import build_py
-from setuptools.command.develop import develop
 from setuptools.command.test import test as test_command
 from setuptools.command.build_ext import build_ext
+from setuptools.command.editable_wheel import editable_wheel
+from wheel.bdist_wheel import bdist_wheel
 
 # from setuptools.command.install import install as install_command
 
@@ -147,9 +148,8 @@ def run(self):
             target_dir = os.path.join(self.build_lib, MODEL_TARGET_DIR)
             self.mkpath(target_dir)
 
-            print("Not a dry run, target_dir:")
-            print(target_dir)
-            print(self.build_lib)
+            print("Not a dry run, run with build, target_dir:")
+            print("building with target_dir: {}".format(target_dir))
 
             build_stan_model(target_dir)
 
@@ -173,6 +173,31 @@ def run(self):
 
 #         develop.run(self)
 
+class EditableWheel(editable_wheel):
+    """Custom develop command to pre-compile Stan models in-place."""
+
+    def run(self):
+        if not self.dry_run:
+            target_dir = os.path.join(self.project_dir, MODEL_TARGET_DIR)
+            self.mkpath(target_dir)
+
+            print("Not a dry run, run with editable, target_dir:")
+            print("building with target_dir: {}".format(target_dir))
+
+            build_stan_model(target_dir)
+
+        editable_wheel.run(self)
+
+
+class BDistWheelABINone(bdist_wheel):
+    def finalize_options(self):
+        bdist_wheel.finalize_options(self)
+        self.root_is_pure = False
+
+    def get_tag(self):
+        _, _, plat = bdist_wheel.get_tag(self)
+        return "py3", "none", plat
+
 
 setup(
     author="Edwin Ng, Zhishi Wang, Steve Yang, Yifeng Wu, Jing Pan",
@@ -196,6 +221,7 @@ def run(self):
     packages=find_packages(),
     url="https://orbit-ml.readthedocs.io/en/stable/",
     # version=VERSION, # being maintained by source module
+    ext_modules=[Extension("orbit.stan_compiled", [])],
     zip_safe=False,
     classifiers=[
         "Development Status :: 3 - Alpha",