#!/usr/bin/env python
# encoding: utf8
#
# Copyright © Burak Arslan <burak at arskom dot com dot tr>,
#             Arskom Ltd. http://www.arskom.com.tr
# All rights reserved.
#
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# modification, are permitted provided that the following conditions are met:
#
#    1. Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#    2. Redistributions in binary form must reproduce the above copyright
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# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from lxml import etree

from spyne.model import Unicode
from spyne.model import Integer
from spyne.model import ComplexModel
from spyne.interface.xml_schema.parser import own_repr

from spyne.util.xml import get_schema_documents
from spyne.util.xml import get_object_as_xml
from spyne.util.xml import get_xml_as_object
from spyne.util.xml import parse_schema_string

# Define the object
class SomeObject(ComplexModel):
    i = Integer
    s = Unicode
    __repr__ = own_repr

# Instantiate the object
instance = SomeObject(i=5, s="str")

# Generate the xml schema for object
schema = etree.tostring(get_schema_documents([SomeObject], 'some_ns')['tns'],
                                                              pretty_print=True)
# Serialize the object to XML
data = etree.tostring(get_object_as_xml(instance, SomeObject),
                                                              pretty_print=True)

print instance
print
print schema
print data

# parse the schema document
parsed_schema = parse_schema_string(schema)['some_ns']

# Get SomeObject definition from the parsed schema document
NewObject = parsed_schema.types['SomeObject']

# We print an empty instance just to see the parsed fields.
print NewObject()

# Deserialize the xml document using the definition from the schema.
new_instance = get_xml_as_object(etree.fromstring(data), NewObject)

print new_instance

assert new_instance.s == instance.s
assert new_instance.i == instance.i

add xml schema parsing example