size_t
py_hex_to_git_oid (PyObject *py_oid, git_oid *oid)
{
PyObject *py_hex;
int err;
char *hex;
Py_ssize_t len;
#if PY_MAJOR_VERSION == 2
/* Bytes (only supported in Python 2) */
if (PyBytes_Check(py_oid)) {
err = PyBytes_AsStringAndSize(py_oid, &hex, &len);
if (err)
return 0;
err = git_oid_fromstrn(oid, hex, len);
if (err < 0) {
PyErr_SetObject(Error_type(err), py_oid);
return 0;
}
return (size_t)len;
}
#endif
/* Unicode */
if (PyUnicode_Check(py_oid)) {
py_hex = PyUnicode_AsASCIIString(py_oid);
if (py_hex == NULL)
return 0;
err = PyBytes_AsStringAndSize(py_hex, &hex, &len);
if (err) {
Py_DECREF(py_hex);
return 0;
}
err = git_oid_fromstrn(oid, hex, len);
Py_DECREF(py_hex);
if (err < 0) {
PyErr_SetObject(Error_type(err), py_oid);
return 0;
}
return (size_t)len;
}
/* Type error */
PyErr_SetObject(PyExc_TypeError, py_oid);
return 0;
}
PyObject* Error_set_str(int err, const char *str)
{
const git_error* error;
if (err == GIT_ENOTFOUND) {
/* KeyError expects the arg to be the missing key. */
PyErr_SetString(PyExc_KeyError, str);
return NULL;
}
error = giterr_last();
if (error == NULL) /* Expected error - no error msg set */
return PyErr_Format(Error_type(err), "%s", str);
return PyErr_Format(Error_type(err), "%s: %s", str, error->message);
}
PyObject* Error_set(int err)
{
assert(err < 0);
if(err != GIT_ERROR) { //expected failure
PyErr_SetNone(Error_type(err));
} else { //critical failure
const git_error* error = giterr_last();
char* message = (error == NULL) ?
"(No error information given)" : error->message;
PyErr_SetString(Error_type(err), message);
}
return NULL;
}
PyObject *
Error_set(int err)
{
assert(err < 0);
return Error_set_exc(Error_type(err));
}
int
py_str_to_git_oid(PyObject *py_str, git_oid *oid)
{
PyObject *py_hex;
char *hex_or_bin;
int err;
Py_ssize_t len;
/* Case 1: raw sha */
if (PyString_Check(py_str)) {
hex_or_bin = PyString_AsString(py_str);
if (hex_or_bin == NULL)
return -1;
git_oid_fromraw(oid, (const unsigned char*)hex_or_bin);
return GIT_OID_HEXSZ;
}
/* Case 2: hex sha */
if (PyUnicode_Check(py_str)) {
py_hex = PyUnicode_AsASCIIString(py_str);
if (py_hex == NULL)
return -1;
err = PyString_AsStringAndSize(py_hex, &hex_or_bin, &len);
if (err) {
Py_DECREF(py_hex);
return -1;
}
err = git_oid_fromstrn(oid, hex_or_bin, len);
Py_DECREF(py_hex);
if (err < 0) {
PyErr_SetObject(Error_type(err), py_str);
return -1;
}
return len;
}
/* Type error */
PyErr_Format(PyExc_TypeError,
"Git object id must be byte or a text string, not: %.200s",
Py_TYPE(py_str)->tp_name);
return -1;
}
