Merge pull request #616 from billmccartney/pythonGIL

axxel · web-flow · commit 564dda97b1f5 · 2023-09-13T15:11:41.000+02:00
Python Multithreading Support via GIL
diff --git a/wrappers/python/zxing.cpp b/wrappers/python/zxing.cpp
@@ -90,6 +90,8 @@ auto read_barcodes_impl(py::object _image, const BarcodeFormats& formats, bool t
 	}
 
 	const auto bytes = image.data();
+	// Disables the GIL during zxing processing (restored automatically upon completion)
+	py::gil_scoped_release release;
 	return ReadBarcodes({bytes, width, height, imgfmt, width * channels, channels}, hints);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -90,6 +90,8 @@ auto read_barcodes_impl(py::object _image, const BarcodeFormats& formats, bool t`
`90`	`90`	`}`
`91`	`91`
`92`	`92`	`const auto bytes = image.data();`
	`93`	`+ // Disables the GIL during zxing processing (restored automatically upon completion)`
	`94`	`+ py::gil_scoped_release release;`
`93`	`95`	`return ReadBarcodes({bytes, width, height, imgfmt, width * channels, channels}, hints);`
`94`	`96`	`}`
`95`	`97`