track embedded python distribution

python/gevent/core.py

@@ -0,0 +1,22 @@
+# Copyright (c) 2009-2015 Denis Bilenko and gevent contributors. See LICENSE for details.
+from __future__ import absolute_import
+
+import os
+
+from gevent._util import copy_globals
+
+try:
+    if os.environ.get('GEVENT_CORE_CFFI_ONLY'):
+        raise ImportError("Not attempting corecext")
+
+    from gevent.libev import corecext as _core
+except ImportError:
+    if os.environ.get('GEVENT_CORE_CEXT_ONLY'):
+        raise
+
+    # CFFI/PyPy
+    from gevent.libev import corecffi as _core
+
+copy_globals(_core, globals())
+
+__all__ = _core.__all__ # pylint:disable=no-member