# vim: set fileencoding=utf-8 :
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# ***************************************************************************/
import xml.sax
import xml.sax.saxutils
from xml.sax.xmlreader import AttributesImpl as Attributes
def convert_to_utf8(text):
"""
"""
return text.encode('utf8', 'replace')
class XMLNode:
"""
"""
def __init__(self, name):
"""
"""
self.__name = name
self.__text = ""
self.__attrs = dict()
self.__children = []
def set_text(self, text):
"""
"""
self.__text = text
def get_text(self):
"""
"""
return self.__text
def set_name(self, name):
"""
"""
self.__name = name
def get_name(self):
"""
"""
return self.__name
def add_attr(self, key, value):
"""
"""
self.__attrs[key] = value
def add_child(self, child):
"""
"""
self.__children.append(child)
def get_keys(self):
"""
"""
return self.__attrs.keys()
def get_attr(self, attr):
"""
"""
if self.__attrs.has_key(attr):
return self.__attrs[attr]
return None
def get_attrs(self):
"""
"""
return self.__attrs
def get_children(self):
"""
"""
return self.__children
def query_children(self, name, attr, value, first=False, deep=False):
"""
"""
result = []
for child in self.__children:
if child.get_name() == name:
if child.get_attrs().has_key(attr):
c_value = child.get_attr(attr)
if c_value == value or c_value == str(value):
result.append(child)
if deep:
c_result = child.query_children(name, attr, value, first, deep)
if c_result != None:
if first:
return c_result
else:
result.extend(c_result)
if first and len(result) > 0:
return result[0]
if first:
return None
return result
def search_children(self, name, first=False, deep=False):
"""
"""
result = []
for child in self.__children:
if child.get_name() == name:
result.append(child)
if first:
return result[0]
if deep:
c_result = child.search_children(name, first, deep)
if c_result != None and c_result != []:
if first:
return c_result
else:
result.extend(c_result)
if first:
return None
return result
class XMLWriter(xml.sax.saxutils.XMLGenerator):
"""
"""
def __init__(self, file, root=None, encoding="utf-8"):
"""
"""
xml.sax.saxutils.XMLGenerator.__init__(self, file, encoding)
self.__root = root
def set_root(self, root):
"""
"""
self.__root = root
def write(self):
"""
"""
self.startDocument()
self.write_xml_node([self.__root])
self.endDocument()
def write_xml_node(self, root):
"""
"""
for child in root:
self.startElement(child.get_name(), Attributes(child.get_attrs()))
if child.get_text() != "":
self.characters(child.get_text())
self.write_xml_node(child.get_children())
self.endElement(child.get_name())
class XMLReader(xml.sax.ContentHandler):
"""
"""
def __init__(self, file=None):
"""
"""
self.__text = ""
self.__status = []
self.__file = file
self.__root = None
self.__parser = xml.sax.make_parser();
self.__parser.setContentHandler(self);
def set_file(self, file, root):
"""
"""
self.__file = file
def get_file(self):
"""
"""
return self.__file
def get_root(self):
"""
"""
return self.__root
def parse(self):
"""
"""
if self.__file != None:
self.__parser.parse(self.__file)
def startDocument(self):
"""
"""
pass
def startElement(self, name, attrs):
"""
"""
# create new node
node = XMLNode(name)
# putting attributes and values in node
for attr in attrs.getNames():
node.add_attr(attr, convert_to_utf8(attrs.get(attr).strip()))
# who is my father?
if len(self.__status) > 0:
self.__status[-1].add_child(node)
if self.__root == None:
self.__root = node
self.__status.append(node)
def endElement(self, name):
"""
"""
self.__status[-1].set_text(convert_to_utf8(self.__text.strip()))
self.__text = ""
self.__status.pop()
def endDocument(self):
"""
"""
pass
def characters(self, text):
"""
"""
self.__text += text
if __name__ == "__main__":
import sys
reader = XMLReader(sys.argv[1])
reader.parse()
root = reader.get_root()
writer = XMLWriter(open("test.xml", 'w'), root)
writer.write()