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Diffstat (limited to 'grc/src/utils/ParseXML.py')
-rw-r--r-- | grc/src/utils/ParseXML.py | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/grc/src/utils/ParseXML.py b/grc/src/utils/ParseXML.py deleted file mode 100644 index d05b7b8b5..000000000 --- a/grc/src/utils/ParseXML.py +++ /dev/null @@ -1,102 +0,0 @@ -""" -Copyright 2008 Free Software Foundation, Inc. -This file is part of GNU Radio - -GNU Radio Companion is free software; you can redistribute it and/or -modify it under the terms of the GNU General Public License -as published by the Free Software Foundation; either version 2 -of the License, or (at your option) any later version. - -GNU Radio Companion is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA -""" - -from lxml import etree -from .. utils import odict - -class XMLSyntaxError(Exception): - def __init__(self, error_log): - self._error_log = error_log - def __str__(self): - return '\n'.join(map(str, self._error_log.filter_from_errors())) - -def validate_dtd(xml_file, dtd_file=None): - """ - Validate an xml file against its dtd. - @param xml_file the xml file - @param dtd_file the optional dtd file - @throws Exception validation fails - """ - #perform parsing, use dtd validation if dtd file is not specified - parser = etree.XMLParser(dtd_validation=not dtd_file) - xml = etree.parse(xml_file, parser=parser) - if parser.error_log: raise XMLSyntaxError(parser.error_log) - #perform dtd validation if the dtd file is specified - if not dtd_file: return - dtd = etree.DTD(dtd_file) - if not dtd.validate(xml.getroot()): raise XMLSyntaxError(dtd.error_log) - -def from_file(xml_file): - """ - Create nested data from an xml file using the from xml helper. - @param xml_file the xml file path - @return the nested data - """ - xml = etree.parse(xml_file).getroot() - return _from_file(xml) - -def _from_file(xml): - """ - Recursivly parse the xml tree into nested data format. - @param xml the xml tree - @return the nested data - """ - tag = xml.tag - if not len(xml): - return odict({tag: xml.text or ''}) #store empty tags (text is None) as empty string - nested_data = odict() - for elem in xml: - key, value = _from_file(elem).items()[0] - if nested_data.has_key(key): nested_data[key].append(value) - else: nested_data[key] = [value] - #delistify if the length of values is 1 - for key, values in nested_data.iteritems(): - if len(values) == 1: nested_data[key] = values[0] - return odict({tag: nested_data}) - -def to_file(nested_data, xml_file): - """ - Write an xml file and use the to xml helper method to load it. - @param nested_data the nested data - @param xml_file the xml file path - """ - xml = _to_file(nested_data)[0] - open(xml_file, 'w').write(etree.tostring(xml, xml_declaration=True, pretty_print=True)) - -def _to_file(nested_data): - """ - Recursivly parse the nested data into xml tree format. - @param nested_data the nested data - @return the xml tree filled with child nodes - """ - nodes = list() - for key, values in nested_data.iteritems(): - #listify the values if not a list - if not isinstance(values, (list, set, tuple)): - values = [values] - for value in values: - node = etree.Element(key) - if isinstance(value, (str, unicode)): node.text = value - else: node.extend(_to_file(value)) - nodes.append(node) - return nodes - -if __name__ == '__main__': - """Use the main method to test parse xml's functions.""" - pass |