diff --git a/setup.py b/setup.py
index e952e8c..9e24942 100644
--- a/setup.py
+++ b/setup.py
@@ -12,6 +12,57 @@
 
 
 SOURCE_ROOT = Path(__file__).resolve().parent
+FRIDA_EXTENSION = os.environ.get("FRIDA_EXTENSION", None)
+
+
+def main():
+    setup(
+        name="frida",
+        version=detect_version(),
+        description="Dynamic instrumentation toolkit for developers, reverse-engineers, and security researchers",
+        long_description=compute_long_description(),
+        long_description_content_type="text/markdown",
+        author="Frida Developers",
+        author_email="oleavr@frida.re",
+        url="https://frida.re",
+        install_requires=["typing_extensions; python_version<'3.11'"],
+        python_requires=">=3.7",
+        license="wxWindows Library Licence, Version 3.1",
+        keywords="frida debugger dynamic instrumentation inject javascript windows macos linux ios iphone ipad android qnx",
+        classifiers=[
+            "Development Status :: 5 - Production/Stable",
+            "Environment :: Console",
+            "Environment :: MacOS X",
+            "Environment :: Win32 (MS Windows)",
+            "Intended Audience :: Developers",
+            "Intended Audience :: Science/Research",
+            "License :: OSI Approved",
+            "Natural Language :: English",
+            "Operating System :: MacOS :: MacOS X",
+            "Operating System :: Microsoft :: Windows",
+            "Operating System :: POSIX :: Linux",
+            "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 :: Implementation :: CPython",
+            "Programming Language :: JavaScript",
+            "Topic :: Software Development :: Debuggers",
+            "Topic :: Software Development :: Libraries :: Python Modules",
+        ],
+        packages=["frida", "_frida"],
+        package_data={"frida": ["py.typed"], "_frida": ["py.typed", "__init__.pyi"]},
+        ext_modules=[
+            Extension(
+                name="_frida",
+                sources=["src/_frida.c"],
+                py_limited_api=True,
+            )
+        ],
+        cmdclass={"build_ext": FridaPrebuiltExt if FRIDA_EXTENSION is not None else FridaDemandBuiltExt},
+        zip_safe=False,
+    )
 
 
 def detect_version() -> str:
@@ -32,6 +83,10 @@ def detect_version() -> str:
     return version
 
 
+def compute_long_description() -> str:
+    return (SOURCE_ROOT / "README.md").read_text(encoding="utf-8")
+
+
 def enumerate_releng_locations() -> Iterator[Path]:
     val = os.environ.get("MESON_SOURCE_ROOT")
     if val is not None:
@@ -52,7 +107,7 @@ class FridaPrebuiltExt(build_ext):
     def build_extension(self, ext):
         target = self.get_ext_fullpath(ext.name)
         Path(target).parent.mkdir(parents=True, exist_ok=True)
-        shutil.copy(frida_extension, target)
+        shutil.copy(FRIDA_EXTENSION, target)
 
 
 class FridaDemandBuiltExt(build_ext):
@@ -67,59 +122,5 @@ def build_extension(self, ext):
         shutil.copy(outputs[0], target)
 
 
-frida_version = detect_version()
-long_description = (SOURCE_ROOT / "README.md").read_text(encoding="utf-8")
-frida_extension = os.environ.get("FRIDA_EXTENSION", None)
-
-cmdclass = {}
-cmdclass["build_ext"] = FridaPrebuiltExt if frida_extension is not None else FridaDemandBuiltExt
-
-
 if __name__ == "__main__":
-    setup(
-        name="frida",
-        version=frida_version,
-        description="Dynamic instrumentation toolkit for developers, reverse-engineers, and security researchers",
-        long_description=long_description,
-        long_description_content_type="text/markdown",
-        author="Frida Developers",
-        author_email="oleavr@frida.re",
-        url="https://frida.re",
-        install_requires=["typing_extensions; python_version<'3.11'"],
-        python_requires=">=3.7",
-        license="wxWindows Library Licence, Version 3.1",
-        keywords="frida debugger dynamic instrumentation inject javascript windows macos linux ios iphone ipad android qnx",
-        classifiers=[
-            "Development Status :: 5 - Production/Stable",
-            "Environment :: Console",
-            "Environment :: MacOS X",
-            "Environment :: Win32 (MS Windows)",
-            "Intended Audience :: Developers",
-            "Intended Audience :: Science/Research",
-            "License :: OSI Approved",
-            "Natural Language :: English",
-            "Operating System :: MacOS :: MacOS X",
-            "Operating System :: Microsoft :: Windows",
-            "Operating System :: POSIX :: Linux",
-            "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 :: Implementation :: CPython",
-            "Programming Language :: JavaScript",
-            "Topic :: Software Development :: Debuggers",
-            "Topic :: Software Development :: Libraries :: Python Modules",
-        ],
-        packages=["frida", "_frida"],
-        package_data={"frida": ["py.typed"], "_frida": ["py.typed", "__init__.pyi"]},
-        ext_modules=[
-            Extension(
-                name="_frida",
-                sources=["src/_frida.c"],
-                py_limited_api=True,
-            )
-        ],
-        cmdclass=cmdclass,
-        zip_safe=False,
-    )
+    main()