def _read(self):
    ' Read P2L index using svnfsfs. '
    (exit_code, output, errput) = svntest.main.run_svnfsfs('dump-index', ('-r' + str(self.revision)), self.repo_dir)
    svntest.verify.verify_outputs('Error while dumping index', [], errput, [], [])
    svntest.verify.verify_exit_code(None, exit_code, 0)
    self.by_item.clear()
    for line in output:
        values = line.split()
        if ((len(values) >= 4) and (values[0] != 'Start')):
            item = int(values[4])
            self.by_item[item] = values
Read P2L index using svnfsfs.
def _read(self):
    '  '
    (exit_code, output, errput) = svntest.main.run_svnfsfs('dump-index', ('-r' + str(self.revision)), self.repo_dir)
    svntest.verify.verify_outputs('Error while dumping index', [], errput, [], [])
    svntest.verify.verify_exit_code(None, exit_code, 0)
    self.by_item.clear()
    for line in output:
        values = line.split()
        if ((len(values) >= 4) and (values[0] != 'Start')):
            item = int(values[4])
            self.by_item[item] = values