PYTHON -c "import pyximport_test; pyximport_test.test()" ######## pyximport_test.py ######## import os.path from contextlib import contextmanager import pyximport pyximport.DEBUG_IMPORT = True pyximport.install(build_dir=os.path.join(os.path.dirname(__file__), "TEST_TMP")) @contextmanager def fails(exc=ImportError): try: yield except exc: pass else: raise RuntimeError("NOT RAISED!") def test(): with fails(): import compiler_error with fails(): import syntax_error with fails(): import runtime_error ######## compiler_error.pyx ######## from __future__ import braces ######## syntax_error.pyx ######## def test { BRACES! } ######## runtime_error.pyx ######## raise ValueError()