[#96 state:fixed] Fixed a hard crash on calling get_blocks() with an empty path.

core_pe/matchbase.py

@@ -40,7 +40,7 @@ def prepare_pictures(pictures, cache_path, j=job.nulljob):
                     blocks = picture.get_blocks(BLOCK_COUNT_PER_SIDE)
                     cache[picture.unicode_path] = blocks
                 prepared.append(picture)
-            except IOError as e:
+            except (IOError, ValueError) as e:
                 logging.warning(unicode(e))
             except MemoryError:
                 logging.warning(u'Ran out of memory while reading %s of size %d' % (picture.unicode_path, picture.size))

core_pe/modules/block_osx.m

@@ -158,6 +158,11 @@ static PyObject* block_osx_getblocks(PyObject *self, PyObject *args)
         return NULL;
     }
     
+    if (PySequence_Length(path) == 0) {
+        PyErr_SetString(PyExc_ValueError, "empty path");
+        return NULL;
+    }
+    
     image_path = pystring2cfstring(path);
     if (image_path == NULL) {
         return PyErr_NoMemory();