usage: cffi-gen-src [-h] {exec-python,read-sources} ...

Generate CFFI C source for extension modules.

positional arguments:
  {exec-python,read-sources}
    exec-python         Execute a Python script that defines an FFI object
    read-sources        Read cdef and C source prelude files that define an FFI object

options:
  -h, --help            show this help message and exit