1 files changed, 83 insertions, 83 deletions
diff --git a/grc/base/ParseXML.py b/grc/base/ParseXML.py
index e8f9b0583e..56097395dd 100644
--- a/grc/base/ParseXML.py
+++ b/grc/base/ParseXML.py
@@ -21,99 +21,99 @@ from lxml import etree
 from . 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 __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.
-	
-	Args:
-	    xml_file: the xml file
-	    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)
+    """
+    Validate an xml file against its dtd.
+    
+    Args:
+        xml_file: the xml file
+        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.
-	
-	Args:
-	    xml_file: the xml file path
-	
-	Returns:
-	    the nested data
-	"""
-	xml = etree.parse(xml_file).getroot()
-	return _from_file(xml)
+    """
+    Create nested data from an xml file using the from xml helper.
+    
+    Args:
+        xml_file: the xml file path
+    
+    Returns:
+        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.
-	
-	Args:
-	    xml: the xml tree
-	
-	Returns:
-	    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]
+    """
+    Recursivly parse the xml tree into nested data format.
+    
+    Args:
+        xml: the xml tree
+    
+    Returns:
+        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})
+    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.
-	
-	Args:
-	    nested_data: the nested data
-	    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))
+    """
+    Write an xml file and use the to xml helper method to load it.
+    
+    Args:
+        nested_data: the nested data
+        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.
-	
-	Args:
-	    nested_data: the nested data
-	
-	Returns:
-	    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
+    """
+    Recursivly parse the nested data into xml tree format.
+    
+    Args:
+        nested_data: the nested data
+    
+    Returns:
+        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
+    """Use the main method to test parse xml's functions."""
+    pass