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-rw-r--r--libdimension-python/dimension.pyx13
1 files changed, 8 insertions, 5 deletions
diff --git a/libdimension-python/dimension.pyx b/libdimension-python/dimension.pyx
index dffa8fa..0ab47a8 100644
--- a/libdimension-python/dimension.pyx
+++ b/libdimension-python/dimension.pyx
@@ -28,8 +28,11 @@ import os
# Helpers #
###########
-cdef _raise_OSError():
- raise OSError(errno, os.strerror(errno))
+cdef _raise_OSError(filename = None):
+ if filename is None:
+ raise OSError(errno, os.strerror(errno))
+ else:
+ raise OSError(errno, os.strerror(errno), filename)
###########
# Globals #
@@ -563,7 +566,7 @@ cdef class Canvas:
cdef char *cpath = bpath
cdef FILE *file = fopen(cpath, "wb")
if file == NULL:
- _raise_OSError()
+ _raise_OSError(path)
def finalize():
if fclose(file) != 0:
@@ -707,10 +710,10 @@ cdef class ImageMap(Pigment):
cdef char *cpath = bpath
cdef FILE *file = fopen(cpath, "rb")
if file == NULL:
- _raise_OSError()
+ _raise_OSError(path)
cdef dmnsn_canvas *canvas = dmnsn_png_read_canvas(file)
if canvas == NULL:
- _raise_OSError()
+ _raise_OSError(path)
if fclose(file) != 0:
_raise_OSError()