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import datetime
import sys
from decimal import Decimal
if sys.version_info[0] == 2:
integer_types = int, long
text_type = unicode
binary_type = str
else:
integer_types = int,
text_type = str
binary_type = bytes
class Generator(object):
def __init__(self, dict):
self.dict = dict
def generate(self):
return self.__generate_dict(self.dict)
def __escape(self, value):
return value.replace("&", "&").replace("<", "<").replace(">", ">").replace("'", "'").replace('"', """)
def __generate_boolean(self, value):
return str(value).lower()
def __generate_datetime(self, value):
return value.strftime("%Y-%m-%dT%H:%M:%SZ")
def __generate_dict(self, dictionary):
xml = ""
for key, val in dictionary.items():
xml += self.__generate_node(key, val)
return xml
def __generate_list(self, list):
xml = ""
for item in list:
xml += self.__generate_node("item", item)
return xml
def __generate_node(self, key, value):
open_tag = "<" + self.__escape(key) + ">"
close_tag = "</" + self.__escape(key) + ">"
if isinstance(value, text_type):
return open_tag + self.__escape(value).encode('ascii', 'xmlcharrefreplace').decode('utf-8') + close_tag
elif isinstance(value, binary_type):
return open_tag + self.__escape(value) + close_tag
elif isinstance(value, Decimal):
return open_tag + str(value) + close_tag
elif isinstance(value, dict):
return open_tag + self.__generate_dict(value) + close_tag
elif isinstance(value, list):
open_tag = "<" + key + " type=\"array\">"
return open_tag + self.__generate_list(value) + close_tag
elif isinstance(value, bool):
open_tag = "<" + key + " type=\"boolean\">"
return open_tag + self.__generate_boolean(value) + close_tag
elif isinstance(value, integer_types) and not isinstance(value, bool):
open_tag = "<" + key + " type=\"integer\">"
return open_tag + str(value) + close_tag
elif isinstance(value, type(None)):
return open_tag + close_tag
elif isinstance(value, datetime.datetime) or isinstance(value, datetime.date):
open_tag = "<" + key + " type=\"datetime\">"
return open_tag + self.__generate_datetime(value) + close_tag
else:
raise RuntimeError("Unexpected XML node type: " + str(type(value)))
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