python setuptools install_requires is ignored when overriding cmdclass
The same problem just happened to me. It somehow seems like something triggers setuptools to do an ‘old-style install’ with distutils, which indeed does not support install_requires. You call install.run(self) which calls run(self) in setuptools/setuptools/command/install.py, line 51-74 https://bitbucket.org/pypa/setuptools/src/8e8c50925f18eafb7e66fe020aa91a85b9a4b122/setuptools/command/install.py?at=default def run(self): # Explicit request for old-style install? Just do it if self.old_and_unmanageable or self.single_version_externally_managed: return _install.run(self) … Read more