blender/release/scripts/modules/extensions_framework/outputs/xml_output.py

97 lines
2.7 KiB
Python

# -*- coding: utf8 -*-
#
# ***** BEGIN GPL LICENSE BLOCK *****
#
# --------------------------------------------------------------------------
# Blender 2.5 Extensions Framework
# --------------------------------------------------------------------------
#
# Authors:
# Doug Hammond
#
# This program 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.
#
# This program 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, see <http://www.gnu.org/licenses/>.
#
# ***** END GPL LICENCE BLOCK *****
#
import xml.etree.cElementTree as ET
import xml.dom.minidom as MD
class xml_output(object):
format = {}
def __str__(self):
return ET.tostring(self.root)
def write_pretty(self, file):
xml_dom = MD.parseString(ET.tostring(self.root, encoding='utf-8'))
xml_dom.writexml(file, addindent=' ', newl='\n', encoding='utf-8')
def pretty(self):
xml_str = MD.parseString(ET.tostring(self.root))
return xml_str.toprettyxml()
# This should be overridden in classes that produce XML conditionally
def get_format(self):
return self.format
def compute(self, context):
self.context = context
self.root = ET.Element(self.root_element)
self.parse_dict(self.get_format(), self.root)
#ET.dump(root)
return self.root
def make_subelement(self, elem, name):
return ET.SubElement(elem, name)
format_types = {
'bool': lambda c,x: str(x).lower(),
'collection': lambda c,x: x,
'enum': lambda c,x: x,
'float': lambda c,x: x,
'int': lambda c,x: x,
'pointer': lambda c,x: x,
'string': lambda c,x: x,
}
def parse_dict(self, d, elem):
for key in d.keys():
# tuple provides multiple child elements
if type(d[key]) is tuple:
for cd in d[key]:
self.parse_dict({key:cd}, elem)
continue # don't create empty element for tuple child
x = ET.SubElement(elem, key)
# dictionary provides nested elements
if type(d[key]) is dict:
self.parse_dict(d[key], x)
# list provides direct value insertion
elif type(d[key]) is list:
x.text = ' '.join([str(i) for i in d[key]])
# else look up property
else:
for p in self.properties:
if d[key] == p['attr']:
if 'compute' in p.keys():
x.text = str(p['compute'](self.context, self))
else:
x.text = str(self.format_types[p['type']](self.context, getattr(self, d[key])))