xmp-tool 0.9.2

安装

从pip进行简单安装：

$ pip install xmp-tool

注释：python-xmp-toolkit取决于Exempi，这需要

为正确安装xmp而构建。

使用系统包管理器在Mac OS X上安装Exempi，使用 自制：

$ brew install exempi

在基于Debian的Linux系统上，执行以下操作：

# apt-get install libexempi-dev

用法：

$ xmp-tool -h
usage: xmp-tool [-h][--value VALUE][--no-sidecar][field] file [file ...]

Read or write XMP fields in a file

positional arguments:
  field          The field to read/write. If no field specified entire XMP
                 document printed.
  file           A file to work on

optional arguments:
  -h, --help     show this help message and exit
  --value VALUE  A value to write to the field specified
  --no-sidecar   Never write to sidecar files.

读取字段：

$ xmp-tool format test.jpg
test.jpg: format=image/jpeg

读取文件的整个xmp内容：

$ xmp-tool test.jpg
test.jpg: None=<?xpacket begin=""id="W5M0MpCehiHzreSzNTczkc9d"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Exempi + XMP Core 5.1.2">
 <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:about=""
    xmlns:dc="http://purl.org/dc/elements/1.1/">
   <dc:PhysicalMedium>lto01</dc:PhysicalMedium>
  </rdf:Description>
 </rdf:RDF>
</x:xmpmeta>
<?xpacket end="w"?>

写入字段：

# First try to read the field when there's no data in it
$ xmp-tool PhysicalMedium test.jpg
test.jpeg: ERROR READING FIELD "PhysicalMedium"# Then try to add the data and then read the field
$ xmp-tool PhysicalMedium --value lto01 test.jpg
$ xmp-tool PhysicalMedium test.jpg
test.jpg: PhysicalMedium=lto01