Fix creating a solv file when directory does not exist.

diff --git a/python/src/repo.c b/python/src/repo.c
index 652f72ec7d798efc42e97c4a0e5fe821f60dcbf3..a869d6e0faa3f067f40ccbacbccd905ac9283354 100644 (file)
--- a/python/src/repo.c
+++ b/python/src/repo.c
@@ -19,11 +19,13 @@
 #############################################################################*/
 
 #include <Python.h>
+#include <errno.h>
 #include <stdbool.h>
 #include <solv/repo.h>
 #include <solv/repo_solv.h>
 #include <solv/repo_write.h>
 
+#include "config.h"
 #include "pool.h"
 #include "repo.h"
 #include "solvable.h"
@@ -127,6 +129,7 @@ PyObject *Repo_set_priority(RepoObject *self, PyObject *args) {
 
 PyObject *Repo_write(RepoObject *self, PyObject *args) {
        const char *filename;
+       char exception[STRING_SIZE];
 
        if (!PyArg_ParseTuple(args, "s", &filename)) {
                /* XXX raise exception */
@@ -136,7 +139,13 @@ PyObject *Repo_write(RepoObject *self, PyObject *args) {
        _Pool_prepare(self->_repo->pool);
 
        // XXX catch if file cannot be opened
-       FILE *fp = fopen(filename, "wb");
+       FILE *fp = NULL;
+       if ((fp = fopen(filename, "wb")) == NULL) {
+               snprintf(exception, STRING_SIZE - 1, "Could not open file for writing: %s (%s).",
+                       filename, strerror(errno));
+               PyErr_SetString(PyExc_RuntimeError, exception);
+               return NULL;
+       }
 
        repo_write(self->_repo, fp, NULL, NULL, 0);