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-rw-r--r--decoder.c18
-rw-r--r--exception.c10
-rw-r--r--libsigrokdecode-internal.h1
-rw-r--r--util.c28
4 files changed, 34 insertions, 23 deletions
diff --git a/decoder.c b/decoder.c
index 5fce5a0..6ad4037 100644
--- a/decoder.c
+++ b/decoder.c
@@ -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);
diff --git a/util.c b/util.c
index 6f80ff9..c3b84ab 100644
--- a/util.c
+++ b/util.c
@@ -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)
{