def load_backend(space):
state = space.fromcache(State)
if state.backend is None:
from pypy.module._cffi_backend.libraryobj import W_Library
if os.environ.get('CPPYY_BACKEND_LIBRARY'):
libname = os.environ['CPPYY_BACKEND_LIBRARY']
state.backend = W_Library(space, space.newtext(libname), dldflags)
else:
# try usual lookups
try:
if backend_library[-len(backend_ext):] == backend_ext:
fullname = backend_library
else:
fullname = backend_library + backend_ext
state.backend = W_Library(space, space.newtext(fullname),
dldflags)
except Exception as e:
# TODO: where to find the value '.pypy-41'? Note that this only matters for testing.
state.backend = W_Library(
space,
space.newtext(backend_library + '.pypy-41' + backend_ext),
dldflags)
if state.backend:
# fix constants
state.c_sizeof_farg = _cdata_to_size_t(
space, call_capi(space, 'function_arg_sizeof', []))
state.c_offset_farg = _cdata_to_size_t(
space, call_capi(space, 'function_arg_typeoffset', []))
def load_backend(space):
state = space.fromcache(State)
if state.backend is None:
from pypy.module._cffi_backend.libraryobj import W_Library
if os.environ.get('CPPYY_BACKEND_LIBRARY'):
libname = os.environ['CPPYY_BACKEND_LIBRARY']
state.backend = W_Library(space, space.newtext(libname), dldflags)
else:
# try usual lookups
try:
if backend_library[-len(backend_ext):] == backend_ext:
fullname = backend_library
else:
fullname = backend_library + backend_ext
state.backend = W_Library(space, space.newtext(fullname),
dldflags)
except Exception as e:
soabi = space.config.objspace.soabi
if soabi is None:
soabi = '.pypy-%d%d' % PYPY_VERSION[:2]
state.backend = W_Library(
space,
space.newtext(backend_library + soabi + backend_ext),
dldflags)
if state.backend:
# fix constants
state.c_sizeof_farg = _cdata_to_size_t(
space, call_capi(space, 'function_arg_sizeof', []))
state.c_offset_farg = _cdata_to_size_t(
space, call_capi(space, 'function_arg_typeoffset', []))
def load_backend(space):
state = space.fromcache(State)
if state.backend is None:
from pypy.module._cffi_backend.libraryobj import W_Library
dldflags = rdynload.RTLD_LOCAL | rdynload.RTLD_LAZY
if os.environ.get('CPPYY_BACKEND_LIBRARY'):
libname = os.environ['CPPYY_BACKEND_LIBRARY']
state.backend = W_Library(space, libname, dldflags)
else:
# try usual lookups
state.backend = W_Library(space, backend_library, dldflags)
if state.backend:
# fix constants
state.c_sizeof_farg = _cdata_to_size_t(
space, call_capi(space, 'function_arg_sizeof', []))
state.c_offset_farg = _cdata_to_size_t(
space, call_capi(space, 'function_arg_typeoffset', []))
def load_reflection_library(space):
state = space.fromcache(State)
if state.library is None:
from pypy.module._cffi_backend.libraryobj import W_Library
state.library = W_Library(space, reflection_library,
rdynload.RTLD_LOCAL | rdynload.RTLD_LAZY)
if state.library:
# fix constants
state.c_sizeof_farg = _cdata_to_size_t(
space, call_capi(space, 'function_arg_sizeof', []))
state.c_offset_farg = _cdata_to_size_t(
space, call_capi(space, 'function_arg_typeoffset', []))
return state.library