45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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# vi: ts=4 expandtab
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#
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# Copyright (C) 2012 Yahoo! Inc.
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#
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# Author: Joshua Harlow <harlowja@yahoo-inc.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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class Merger(object):
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def __init__(self, _merger, opts):
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self._append = 'append' in opts
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def __str__(self):
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return 'StringMerger: (append=%s)' % (self._append)
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# On encountering a unicode object to merge value with
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# we will for now just proxy into the string method to let it handle it.
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def _on_unicode(self, value, merge_with):
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return self._on_str(value, merge_with)
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# On encountering a string object to merge with we will
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# perform the following action, if appending we will
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# merge them together, otherwise we will just return value.
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def _on_str(self, value, merge_with):
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if not isinstance(value, (basestring)):
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return merge_with
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if not self._append:
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return merge_with
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if isinstance(value, unicode):
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return value + unicode(merge_with)
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else:
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return value + str(merge_with)
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