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Include limit in error message

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This commit is contained in:
Andrew Murray 2024-08-22 17:50:42 +10:00
parent f368ccc06e
commit d49ea37811
2 changed files with 7 additions and 3 deletions
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4
Tests/test_file_webp.py
View File

@ -163,7 +163,9 @@ class TestFileWebp:
im = Image.new("L", (16384, 16384)) im = Image.new("L", (16384, 16384))
with pytest.raises(ValueError) as e: with pytest.raises(ValueError) as e:
im.save(temp_file) im.save(temp_file)
assert str(e.value) == "encoding error 5: Image size exceeds WebP limit" assert (
str(e.value) == "encoding error 5: Image size exceeds WebP limit of 16383"
)
def test_WebPEncode_with_invalid_args(self) -> None: def test_WebPEncode_with_invalid_args(self) -> None:
""" """

6
src/_webp.c
View File

@ -673,9 +673,11 @@ WebPEncode_wrapper(PyObject *self, PyObject *args) {
WebPPictureFree(&pic); WebPPictureFree(&pic);
if (!ok) { if (!ok) {
int error_code = (&pic)->error_code; int error_code = (&pic)->error_code;
const char *message = ""; char message[50] = "";
if (error_code == VP8_ENC_ERROR_BAD_DIMENSION) { if (error_code == VP8_ENC_ERROR_BAD_DIMENSION) {
message = ": Image size exceeds WebP limit"; sprintf(
message, ": Image size exceeds WebP limit of %d", WEBP_MAX_DIMENSION
);
} }
PyErr_Format(PyExc_ValueError, "encoding error %d%s", error_code, message); PyErr_Format(PyExc_ValueError, "encoding error %d%s", error_code, message);
return NULL; return NULL;