forked from openlp/openlp
102 lines
3.6 KiB
Python
102 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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"""
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OpenLP - Open Source Lyrics Projection
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Copyright (c) 2008 Raoul Snyman
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Portions copyright (c) 2008 Martin Thompson, Tim Bentley, Carsten Tinggaard
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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import platform
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import sys
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import os
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from types import StringType, NoneType, UnicodeType
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from xml.etree.ElementTree import ElementTree, XML
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sys.path.append(os.path.abspath(os.path.join('.', '..', '..')))
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class XmlRootClass(object):
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"""
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Root class for themes, songs etc
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This class provides interface for parsing xml files into object attributes.
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If you overload this class and provide a function called `post_tag_hook`,
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it will be called thusly for each `tag, value` pair::
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(element.tag, val) = self.post_tag_hook(element.tag, val)
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"""
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def _setFromXml(self, xml, root_tag):
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"""
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Set song properties from given xml content.
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``xml``
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Formatted xml tags and values.
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``root_tag``
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The root tag of the xml.
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"""
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root = ElementTree(element=XML(xml))
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iter = root.getiterator()
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for element in iter:
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if element.tag != root_tag:
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text = element.text
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if type(text) is NoneType:
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val = text
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elif type(text) is UnicodeType :
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val = text
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elif type(text) is StringType:
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# Strings need special handling to sort the colours out
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if text[0] == '$':
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# This might be a hex number, let's try to convert it.
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try:
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val = int(text[1:], 16)
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except ValueError:
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pass
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else:
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# Let's just see if it's a integer.
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try:
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val = int(text)
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except ValueError:
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# Ok, it seems to be a string.
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val = text
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if hasattr(self, u'post_tag_hook'):
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(element.tag, val) = self.post_tag_hook(element.tag, val)
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setattr(self, element.tag, val)
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def __str__(self):
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"""
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Return string with all public attributes
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The string is formatted with one attribute per line
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If the string is split on newline then the length of the
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list is equal to the number of attributes
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"""
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attributes = []
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for attrib in dir(self):
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if not attrib.startswith(u'_'):
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attributes.append(u'%30s : %s' % (attrib, getattr(self, attrib)))
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return u'\n'.join(attributes)
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def _get_as_string(self):
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"""
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Return one string with all public attributes
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"""
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result = u''
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for attrib in dir(self):
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if not attrib.startswith(u'_'):
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result += u'_%s_' % getattr(self, attrib)
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return result
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