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| -rw-r--r-- | doc/tutorial.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/tutorial.rst b/doc/tutorial.rst index 9f5a418..709b686 100644 --- a/doc/tutorial.rst +++ b/doc/tutorial.rst @@ -240,6 +240,19 @@ If the tag was not present, one is created and its value is set:: >>> metadata[key] = value +If you need to write custom metadata, you can register a custom XMP namespace:: + + >>> pyexiv2.xmp.register_namespace('http://example.org/foo/', 'foo') + >>> metadata['Xmp.foo.bar'] = 'baz' + +Note that a limitation of the current implementation is that only simple text +values can be written to tags in a custom namespace. + +A custom namespace can be unregistered. This has the effect of invalidating all +tags in this namespace for images that have not been written back yet:: + + >>> pyexiv2.xmp.unregister_namespace('http://example.org/foo/') + Accessing embedded previews ########################### |