diff options
-rw-r--r-- | decoder.c | 18 | ||||
-rw-r--r-- | exception.c | 10 | ||||
-rw-r--r-- | libsigrokdecode-internal.h | 1 | ||||
-rw-r--r-- | util.c | 28 |
4 files changed, 34 insertions, 23 deletions
@@ -597,7 +597,7 @@ static int check_method(PyObject *py_dec, const char *mod_name, */ SRD_API int srd_decoder_load(const char *module_name) { - PyObject *py_modname, *py_basedec, *py_apiver; + PyObject *py_basedec, *py_apiver; struct srd_decoder *d; long apiver; int is_subclass; @@ -617,13 +617,7 @@ SRD_API int srd_decoder_load(const char *module_name) d = g_malloc0(sizeof(struct srd_decoder)); - /* Import the Python module. */ - py_modname = PyUnicode_FromString(module_name); - if (!py_modname) - goto except_out; - - d->py_mod = PyImport_Import(py_modname); - Py_DECREF(py_modname); + d->py_mod = py_import_by_name(module_name); if (!d->py_mod) goto except_out; @@ -806,15 +800,9 @@ static void srd_decoder_load_all_zip_path(char *path) char *prefix; size_t prefix_len; - zipimport_mod = NULL; set = files = prefix_obj = zipimporter = zipimporter_class = NULL; - modname = PyUnicode_FromString("zipimport"); - if (!modname) - goto err_out; - - zipimport_mod = PyImport_Import(modname); - Py_DECREF(modname); + zipimport_mod = py_import_by_name("zipimport"); if (zipimport_mod == NULL) goto err_out; diff --git a/exception.c b/exception.c index a2b2683..7027df5 100644 --- a/exception.c +++ b/exception.c @@ -84,7 +84,7 @@ SRD_PRIV void srd_exception_catch(const char *format, ...) { va_list args; PyObject *py_etype, *py_evalue, *py_etraceback; - PyObject *py_modname, *py_mod, *py_func, *py_tracefmt; + PyObject *py_mod, *py_func, *py_tracefmt; char *msg, *etype_name, *evalue_str, *tracefmt_str; const char *etype_name_fallback; @@ -118,13 +118,7 @@ SRD_PRIV void srd_exception_catch(const char *format, ...) if (!py_etraceback) goto cleanup; - py_modname = PyUnicode_FromString("traceback"); - if (!py_modname) - goto cleanup; - - py_mod = PyImport_Import(py_modname); - Py_DECREF(py_modname); - + py_mod = py_import_by_name("traceback"); if (!py_mod) goto cleanup; diff --git a/libsigrokdecode-internal.h b/libsigrokdecode-internal.h index 23bfdf4..6084409 100644 --- a/libsigrokdecode-internal.h +++ b/libsigrokdecode-internal.h @@ -96,6 +96,7 @@ SRD_PRIV PyObject *srd_logic_type_new(void); PyMODINIT_FUNC PyInit_sigrokdecode(void); /* util.c */ +SRD_PRIV PyObject *py_import_by_name(const char *name); SRD_PRIV int py_attr_as_str(PyObject *py_obj, const char *attr, char **outstr); SRD_PRIV int py_dictitem_as_str(PyObject *py_obj, const char *key, char **outstr); SRD_PRIV int py_str_as_str(PyObject *py_str, char **outstr); @@ -22,6 +22,32 @@ #include "libsigrokdecode-internal.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */ /** + * Import a Python module by name. + * + * This function is implemented in terms of PyImport_Import() rather than + * PyImport_ImportModule(), so that the import hooks are not bypassed. + * + * @param[in] name The name of the module to load as UTF-8 string. + * @return The Python module object, or NULL if an exception occurred. The + * caller is responsible for evaluating and clearing the Python error state. + * + * @private + */ +SRD_PRIV PyObject *py_import_by_name(const char *name) +{ + PyObject *py_mod, *py_modname; + + py_modname = PyUnicode_FromString(name); + if (!py_modname) + return NULL; + + py_mod = PyImport_Import(py_modname); + Py_DECREF(py_modname); + + return py_mod; +} + +/** * Get the value of a Python object's attribute, returned as a newly * allocated char *. * @@ -196,6 +222,8 @@ err_out: * * @param[in] py_obj The Python object. Must not be NULL. * @return A floating reference to a new variant, or NULL on failure. + * + * @private */ SRD_PRIV GVariant *py_obj_to_variant(PyObject *py_obj) { |