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Edit File: m_str.py
# Copyright (C) 2012 Yahoo! Inc. # # Author: Joshua Harlow <harlowja@yahoo-inc.com> # # This file is part of cloud-init. See LICENSE file for license information. class Merger: def __init__(self, _merger, opts): self._append = "append" in opts def __str__(self): return "StringMerger: (append=%s)" % (self._append) # On encountering a unicode object to merge value with # we will for now just proxy into the string method to let it handle it. def _on_unicode(self, value, merge_with): return self._on_str(value, merge_with) # On encountering a string object to merge with we will # perform the following action, if appending we will # merge them together, otherwise we will just return value. def _on_str(self, value, merge_with): if not isinstance(value, str): return merge_with if not self._append: return merge_with return value + merge_with