使用python将冒号（：）分隔的字符串解析为obj

Question

我有一个字符串，它是REST API（http://requesttracker.wikia.com/wiki/REST）的返回值，并且使用冒号分隔的键/值对。

id: 123414
name: Peter
message: bla bla
  bla bla

如何将此字符串解析为对象？我可以使用现有的python解析器吗？？

下面是我要分析的字符串：

'RT/3.8.8 200 Ok\n\nid: ticket/46863\nQueue: customer-test\nOwner: Nobody\nCreator: young.park\nSubject: testing\nStatus: new\nPriority: 0\nInitialPriority: 0\nFinalPriority: 0\nRequestors: superuser@meme.com\nCc:\nAdminCc:\nCreated: Mon Apr 25 15:50:27 2011\nStarts: Not set\nStarted: Not set\nDue: Not set\nResolved: Not set\nTold: Not set\nLastUpdated: Mon Apr 25 15:50:28 2011\nTimeEstimated: 0\nTimeWorked: 0\nTimeLeft: 0\nCF.{Severity}: \n\n'