Add H5Pget_virtual_filename()

ajelenak · ajelenak · commit a93efadd8ce2 · 2015-12-15T11:33:10.000-08:00
diff --git a/h5py/api_functions.txt b/h5py/api_functions.txt
@@ -309,6 +309,7 @@ hdf5:
   herr_t        H5Pset_szip(hid_t plist, unsigned int options_mask, unsigned int pixels_per_block)
   herr_t        H5Pset_scaleoffset(hid_t plist, H5Z_SO_scale_type_t scale_type, int scale_factor)
   1.9.233 ssize_t H5Pget_virtual_dsetname(hid_t dcpl_id, size_t index, char *name, size_t size)
+  1.9.233 ssize_t H5Pget_virtual_filename(hid_t dcpl_id, size_t index, char *name, size_t size)
 
   # Dataset access
   herr_t    H5Pset_edc_check(hid_t plist, H5Z_EDC_t check)
diff --git a/h5py/h5p.pyx b/h5py/h5p.pyx
@@ -809,6 +809,26 @@ cdef class PropDCID(PropOCID):
 
             return src_dset_name
 
+        @with_phil
+        def get_virtual_filename(self, size_t index=0):
+            """(UINT index=0) => STR
+
+            Get the file name of a source dataset used in the mapping of the
+            virtual dataset at the position index.
+            """
+            cdef char* name = NULL
+            cdef ssize_t size
+
+            size = H5Pget_virtual_dsetname(self.id, index, NULL, 0)
+            name = <char*>emalloc(size+1)
+            try:
+                H5Pget_virtual_filename(self.id, index, name, <size_t>size+1)
+                src_fname = name
+            finally:
+                efree(name)
+
+            return src_fname
+
 # File access
 cdef class PropFAID(PropInstanceID):
 
