Fix pdf metadata fallback on old cairos.

anntzer · anntzer · commit 45bd634dd5a1 · 2021-09-30T11:50:18.000+02:00
diff --git a/src/_mplcairo.cpp b/src/_mplcairo.cpp
@@ -470,6 +470,7 @@ void GraphicsContextRenderer::_set_metadata(std::optional<py::dict> metadata)
         if (!detail::cairo_pdf_surface_set_metadata) {
           py::module::import("warnings").attr("warn")(
             "cairo_pdf_surface_set_metadata requires cairo>=1.15.4");
+          break;
         }
         auto const& key = it.first.cast<std::string>();
         if (key == "Title") {

Original file line number	Diff line number	Diff line change
`@@ -470,6 +470,7 @@ void GraphicsContextRenderer::_set_metadata(std::optional<py::dict> metadata)`
`470`	`470`	`if (!detail::cairo_pdf_surface_set_metadata) {`
`471`	`471`	`py::module::import("warnings").attr("warn")(`
`472`	`472`	`"cairo_pdf_surface_set_metadata requires cairo>=1.15.4");`
	`473`	`+ break;`
`473`	`474`	`}`
`474`	`475`	`auto const& key = it.first.cast<std::string>();`
`475`	`476`	`if (key == "Title") {`