Split setup.py into a part in setup_base.py that can be used

even without having installed 'setuptools' previously.

1 files changed, 29 insertions, 0 deletions

diff --git a/setup_base.py b/setup_base.py
new file mode 100644
index 0000000..d4262af
--- /dev/null
+++ b/setup_base.py
@@ -0,0 +1,29 @@
+import sys, os
+
+
+sources = ['c/_ffi_backend.c']
+libraries = ['ffi']
+include_dirs = []
+
+
+if sys.platform == 'win32':
+    COMPILE_LIBFFI = 'libffi_msvc'    # from the CPython distribution
+else:
+    COMPILE_LIBFFI = None
+
+if COMPILE_LIBFFI:
+    include_dirs.append(COMPILE_LIBFFI)
+    libraries.remove('ffi')
+    sources.extend(os.path.join(COMPILE_LIBFFI, filename)
+                   for filename in os.listdir(COMPILE_LIBFFI)
+                   if filename.lower().endswith('.c'))
+
+
+if __name__ == '__main__':
+    from distutils.core import setup
+    from distutils.extension import Extension
+    setup(ext_modules=[Extension(name = '_ffi_backend',
+                                 include_dirs=include_dirs,
+                                 sources=sources,
+                                 libraries=libraries,
+                                 )])