mirror of
https://github.com/moparisthebest/SickRage
synced 2024-12-12 11:02:21 -05:00
2dcd26e69c
Fixed invalid indexer id issues for TVRage shows. Fixed issues for getting posters and backdrops for TVRage shows. We now convert XML straight to a dict object for Indexer APIs, improved overall performance api's Fixed issues with TVRage shows and displaying genre's properly.
360 lines
12 KiB
Python
360 lines
12 KiB
Python
#!/usr/bin/env python
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"Makes working with XML feel like you are working with JSON"
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from xml.parsers import expat
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from xml.sax.saxutils import XMLGenerator
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from xml.sax.xmlreader import AttributesImpl
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try: # pragma no cover
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from cStringIO import StringIO
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except ImportError: # pragma no cover
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try:
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from StringIO import StringIO
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except ImportError:
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from io import StringIO
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try: # pragma no cover
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from collections import OrderedDict
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except ImportError: # pragma no cover
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try:
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from ordereddict import OrderedDict
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except ImportError:
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OrderedDict = dict
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try: # pragma no cover
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_basestring = basestring
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except NameError: # pragma no cover
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_basestring = str
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try: # pragma no cover
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_unicode = unicode
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except NameError: # pragma no cover
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_unicode = str
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__author__ = 'Martin Blech'
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__version__ = '0.9.0'
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__license__ = 'MIT'
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class ParsingInterrupted(Exception):
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pass
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class _DictSAXHandler(object):
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def __init__(self,
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item_depth=0,
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item_callback=lambda *args: True,
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xml_attribs=True,
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attr_prefix='@',
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cdata_key='#text',
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force_cdata=False,
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cdata_separator='',
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postprocessor=None,
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dict_constructor=OrderedDict,
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strip_whitespace=True,
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namespace_separator=':',
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namespaces=None):
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self.path = []
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self.stack = []
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self.data = None
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self.item = None
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self.item_depth = item_depth
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self.xml_attribs = xml_attribs
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self.item_callback = item_callback
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self.attr_prefix = attr_prefix
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self.cdata_key = cdata_key
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self.force_cdata = force_cdata
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self.cdata_separator = cdata_separator
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self.postprocessor = postprocessor
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self.dict_constructor = dict_constructor
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self.strip_whitespace = strip_whitespace
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self.namespace_separator = namespace_separator
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self.namespaces = namespaces
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def _build_name(self, full_name):
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if not self.namespaces:
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return full_name
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i = full_name.rfind(self.namespace_separator)
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if i == -1:
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return full_name
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namespace, name = full_name[:i], full_name[i+1:]
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short_namespace = self.namespaces.get(namespace, namespace)
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if not short_namespace:
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return name
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else:
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return self.namespace_separator.join((short_namespace, name))
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def _attrs_to_dict(self, attrs):
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if isinstance(attrs, dict):
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return attrs
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return self.dict_constructor(zip(attrs[0::2], attrs[1::2]))
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def startElement(self, full_name, attrs):
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name = self._build_name(full_name)
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attrs = self._attrs_to_dict(attrs)
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self.path.append((name, attrs or None))
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if len(self.path) > self.item_depth:
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self.stack.append((self.item, self.data))
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if self.xml_attribs:
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attrs = self.dict_constructor(
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(self.attr_prefix+key, value)
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for (key, value) in attrs.items())
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else:
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attrs = None
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self.item = attrs or None
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self.data = None
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def endElement(self, full_name):
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name = self._build_name(full_name)
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if len(self.path) == self.item_depth:
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item = self.item
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if item is None:
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item = self.data
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should_continue = self.item_callback(self.path, item)
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if not should_continue:
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raise ParsingInterrupted()
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if len(self.stack):
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item, data = self.item, self.data
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self.item, self.data = self.stack.pop()
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if self.strip_whitespace and data is not None:
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data = data.strip() or None
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if data and self.force_cdata and item is None:
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item = self.dict_constructor()
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if item is not None:
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if data:
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self.push_data(item, self.cdata_key, data)
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self.item = self.push_data(self.item, name, item)
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else:
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self.item = self.push_data(self.item, name, data)
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else:
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self.item = self.data = None
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self.path.pop()
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def characters(self, data):
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if not self.data:
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self.data = data
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else:
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self.data += self.cdata_separator + data
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def push_data(self, item, key, data):
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if self.postprocessor is not None:
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result = self.postprocessor(self.path, key, data)
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if result is None:
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return item
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key, data = result
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if item is None:
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item = self.dict_constructor()
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try:
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value = item[key]
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if isinstance(value, list):
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value.append(data)
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else:
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item[key] = [value, data]
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except KeyError:
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item[key] = data
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return item
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def parse(xml_input, encoding=None, expat=expat, process_namespaces=False,
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namespace_separator=':', **kwargs):
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"""Parse the given XML input and convert it into a dictionary.
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`xml_input` can either be a `string` or a file-like object.
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If `xml_attribs` is `True`, element attributes are put in the dictionary
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among regular child elements, using `@` as a prefix to avoid collisions. If
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set to `False`, they are just ignored.
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Simple example::
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>>> import xmltodict
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>>> doc = xmltodict.parse(\"\"\"
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... <a prop="x">
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... <b>1</b>
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... <b>2</b>
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... </a>
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... \"\"\")
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>>> doc['a']['@prop']
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u'x'
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>>> doc['a']['b']
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[u'1', u'2']
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If `item_depth` is `0`, the function returns a dictionary for the root
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element (default behavior). Otherwise, it calls `item_callback` every time
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an item at the specified depth is found and returns `None` in the end
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(streaming mode).
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The callback function receives two parameters: the `path` from the document
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root to the item (name-attribs pairs), and the `item` (dict). If the
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callback's return value is false-ish, parsing will be stopped with the
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:class:`ParsingInterrupted` exception.
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Streaming example::
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>>> def handle(path, item):
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... print 'path:%s item:%s' % (path, item)
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... return True
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...
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>>> xmltodict.parse(\"\"\"
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... <a prop="x">
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... <b>1</b>
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... <b>2</b>
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... </a>\"\"\", item_depth=2, item_callback=handle)
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path:[(u'a', {u'prop': u'x'}), (u'b', None)] item:1
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path:[(u'a', {u'prop': u'x'}), (u'b', None)] item:2
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The optional argument `postprocessor` is a function that takes `path`,
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`key` and `value` as positional arguments and returns a new `(key, value)`
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pair where both `key` and `value` may have changed. Usage example::
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>>> def postprocessor(path, key, value):
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... try:
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... return key + ':int', int(value)
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... except (ValueError, TypeError):
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... return key, value
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>>> xmltodict.parse('<a><b>1</b><b>2</b><b>x</b></a>',
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... postprocessor=postprocessor)
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OrderedDict([(u'a', OrderedDict([(u'b:int', [1, 2]), (u'b', u'x')]))])
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You can pass an alternate version of `expat` (such as `defusedexpat`) by
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using the `expat` parameter. E.g:
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>>> import defusedexpat
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>>> xmltodict.parse('<a>hello</a>', expat=defusedexpat.pyexpat)
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OrderedDict([(u'a', u'hello')])
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"""
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handler = _DictSAXHandler(namespace_separator=namespace_separator,
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**kwargs)
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if isinstance(xml_input, _unicode):
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if not encoding:
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encoding = 'utf-8'
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xml_input = xml_input.encode(encoding)
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if not process_namespaces:
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namespace_separator = None
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parser = expat.ParserCreate(
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encoding,
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namespace_separator
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)
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try:
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parser.ordered_attributes = True
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except AttributeError:
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# Jython's expat does not support ordered_attributes
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pass
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parser.StartElementHandler = handler.startElement
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parser.EndElementHandler = handler.endElement
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parser.CharacterDataHandler = handler.characters
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parser.buffer_text = True
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try:
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parser.ParseFile(xml_input)
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except (TypeError, AttributeError):
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parser.Parse(xml_input, True)
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return handler.item
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def _emit(key, value, content_handler,
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attr_prefix='@',
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cdata_key='#text',
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depth=0,
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preprocessor=None,
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pretty=False,
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newl='\n',
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indent='\t'):
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if preprocessor is not None:
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result = preprocessor(key, value)
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if result is None:
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return
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key, value = result
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if not isinstance(value, (list, tuple)):
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value = [value]
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if depth == 0 and len(value) > 1:
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raise ValueError('document with multiple roots')
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for v in value:
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if v is None:
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v = OrderedDict()
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elif not isinstance(v, dict):
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v = _unicode(v)
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if isinstance(v, _basestring):
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v = OrderedDict(((cdata_key, v),))
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cdata = None
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attrs = OrderedDict()
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children = []
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for ik, iv in v.items():
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if ik == cdata_key:
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cdata = iv
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continue
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if ik.startswith(attr_prefix):
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attrs[ik[len(attr_prefix):]] = iv
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continue
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children.append((ik, iv))
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if pretty:
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content_handler.ignorableWhitespace(depth * indent)
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content_handler.startElement(key, AttributesImpl(attrs))
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if pretty and children:
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content_handler.ignorableWhitespace(newl)
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for child_key, child_value in children:
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_emit(child_key, child_value, content_handler,
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attr_prefix, cdata_key, depth+1, preprocessor,
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pretty, newl, indent)
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if cdata is not None:
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content_handler.characters(cdata)
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if pretty and children:
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content_handler.ignorableWhitespace(depth * indent)
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content_handler.endElement(key)
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if pretty and depth:
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content_handler.ignorableWhitespace(newl)
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def unparse(input_dict, output=None, encoding='utf-8', full_document=True,
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**kwargs):
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"""Emit an XML document for the given `input_dict` (reverse of `parse`).
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The resulting XML document is returned as a string, but if `output` (a
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file-like object) is specified, it is written there instead.
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Dictionary keys prefixed with `attr_prefix` (default=`'@'`) are interpreted
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as XML node attributes, whereas keys equal to `cdata_key`
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(default=`'#text'`) are treated as character data.
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The `pretty` parameter (default=`False`) enables pretty-printing. In this
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mode, lines are terminated with `'\n'` and indented with `'\t'`, but this
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can be customized with the `newl` and `indent` parameters.
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"""
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((key, value),) = input_dict.items()
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must_return = False
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if output is None:
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output = StringIO()
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must_return = True
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content_handler = XMLGenerator(output, encoding)
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if full_document:
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content_handler.startDocument()
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_emit(key, value, content_handler, **kwargs)
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if full_document:
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content_handler.endDocument()
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if must_return:
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value = output.getvalue()
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try: # pragma no cover
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value = value.decode(encoding)
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except AttributeError: # pragma no cover
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pass
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return value
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if __name__ == '__main__': # pragma: no cover
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import sys
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import marshal
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(item_depth,) = sys.argv[1:]
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item_depth = int(item_depth)
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def handle_item(path, item):
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marshal.dump((path, item), sys.stdout)
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return True
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try:
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root = parse(sys.stdin,
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item_depth=item_depth,
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item_callback=handle_item,
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dict_constructor=dict)
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if item_depth == 0:
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handle_item([], root)
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except KeyboardInterrupt:
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pass
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