static PyObject *ffi_dlopen(PyObject *self, PyObject *args)
{
char *filename_or_null, *printable_filename;
void *handle;
int flags = 0;
if (PyTuple_GET_SIZE(args) == 0 || PyTuple_GET_ITEM(args, 0) == Py_None) {
PyObject *dummy;
if (!PyArg_ParseTuple(args, "|Oi:load_library",
&dummy, &flags))
return NULL;
filename_or_null = NULL;
}
else if (!PyArg_ParseTuple(args, "et|i:load_library",
Py_FileSystemDefaultEncoding, &filename_or_null,
&flags))
return NULL;
if ((flags & (RTLD_NOW | RTLD_LAZY)) == 0)
flags |= RTLD_NOW;
printable_filename = filename_or_null ? filename_or_null : "<None>";
handle = dlopen(filename_or_null, flags);
if (handle == NULL) {
const char *error = dlerror();
PyErr_Format(PyExc_OSError, "cannot load library '%s': %s",
printable_filename, error);
return NULL;
}
return (PyObject *)lib_internal_new((FFIObject *)self,
printable_filename, handle);
}
static PyObject *b_init_cffi_1_0_external_module(PyObject *self, PyObject *arg)
{
PyObject *m, *modules_dict;
FFIObject *ffi;
LibObject *lib;
Py_ssize_t version;
char *module_name, *exports, *module_name_with_lib;
void **raw;
const struct _cffi_type_context_s *ctx;
raw = (void **)PyLong_AsVoidPtr(arg);
if (raw == NULL)
return NULL;
module_name = (char *)raw[0];
version = (Py_ssize_t)raw[1];
exports = (char *)raw[2];
ctx = (const struct _cffi_type_context_s *)raw[3];
if (version < CFFI_VERSION_MIN || version > CFFI_VERSION_MAX) {
if (!PyErr_Occurred())
PyErr_Format(PyExc_ImportError,
"cffi extension module '%s' has unknown version %p",
module_name, (void *)version);
return NULL;
}
/* initialize the exports array */
memcpy(exports, (char *)cffi_exports, sizeof(cffi_exports));
/* make the module object */
m = _my_Py_InitModule(module_name);
if (m == NULL)
return NULL;
/* build the FFI and Lib object inside this new module */
ffi = ffi_internal_new(&FFI_Type, ctx);
Py_XINCREF(ffi); /* make the ffi object really immortal */
if (ffi == NULL || PyModule_AddObject(m, "ffi", (PyObject *)ffi) < 0)
return NULL;
lib = lib_internal_new(ffi, module_name, NULL);
if (lib == NULL || PyModule_AddObject(m, "lib", (PyObject *)lib) < 0)
return NULL;
if (make_included_tuples(module_name, ctx->includes,
&ffi->types_builder.included_ffis,
&lib->l_types_builder->included_libs) < 0)
return NULL;
/* add manually 'module_name.lib' in sys.modules:
see test_import_from_lib */
modules_dict = PySys_GetObject("modules");
if (!modules_dict)
return NULL;
module_name_with_lib = alloca(strlen(module_name) + 5);
strcpy(module_name_with_lib, module_name);
strcat(module_name_with_lib, ".lib");
if (PyDict_SetItemString(modules_dict, module_name_with_lib,
(PyObject *)lib) < 0)
return NULL;
return m;
}
static PyObject *b_init_cffi_1_0_external_module(PyObject *self, PyObject *arg)
{
PyObject *m, *modules_dict;
FFIObject *ffi;
LibObject *lib;
Py_ssize_t version, num_exports;
char *module_name, *exports, *module_name_with_lib;
void **raw;
const struct _cffi_type_context_s *ctx;
raw = (void **)PyLong_AsVoidPtr(arg);
if (raw == NULL)
return NULL;
module_name = (char *)raw[0];
version = (Py_ssize_t)raw[1];
exports = (char *)raw[2];
ctx = (const struct _cffi_type_context_s *)raw[3];
if (version < CFFI_VERSION_MIN || version > CFFI_VERSION_MAX) {
if (!PyErr_Occurred())
PyErr_Format(PyExc_ImportError,
"cffi extension module '%s' uses an unknown version tag %p. "
"This module might need a more recent version of cffi "
"than the one currently installed, which is %s",
module_name, (void *)version, CFFI_VERSION);
return NULL;
}
/* initialize the exports array */
num_exports = 25;
if (ctx->flags & 1) /* set to mean that 'extern "Python"' is used */
num_exports = 26;
memcpy(exports, (char *)cffi_exports, num_exports * sizeof(void *));
/* make the module object */
m = _my_Py_InitModule(module_name);
if (m == NULL)
return NULL;
/* build the FFI and Lib object inside this new module */
ffi = ffi_internal_new(&FFI_Type, ctx);
Py_XINCREF(ffi); /* make the ffi object really immortal */
if (ffi == NULL || PyModule_AddObject(m, "ffi", (PyObject *)ffi) < 0)
return NULL;
lib = lib_internal_new(ffi, module_name, NULL);
if (lib == NULL || PyModule_AddObject(m, "lib", (PyObject *)lib) < 0)
return NULL;
if (make_included_tuples(module_name, ctx->includes,
&ffi->types_builder.included_ffis,
&lib->l_types_builder->included_libs) < 0)
return NULL;
/* add manually 'module_name.lib' in sys.modules:
see test_import_from_lib */
modules_dict = PySys_GetObject("modules");
if (!modules_dict)
return NULL;
module_name_with_lib = alloca(strlen(module_name) + 5);
strcpy(module_name_with_lib, module_name);
strcat(module_name_with_lib, ".lib");
if (PyDict_SetItemString(modules_dict, module_name_with_lib,
(PyObject *)lib) < 0)
return NULL;
#if PY_MAJOR_VERSION >= 3
/* add manually 'module_name' in sys.modules: it seems that
Py_InitModule() is not enough to do that */
if (PyDict_SetItemString(modules_dict, module_name, m) < 0)
return NULL;
#endif
return m;
}
