genshi/genshi-test: genshi/core.py annotate

annotate genshi/core.py @ 904:2772fa7c10a3

The `|` operator on `Attrs` objects now removes any existing attributes if the value is `None`.

author	cmlenz
date	Wed, 28 Apr 2010 21:25:12 +0000
parents	37fb3988647a
children	9fafb35032a1 8cef75b02ac1

rev	line source
860 61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	1 # -- coding: utf-8 --
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	2 #
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	3 # Copyright (C) 2006-2009 Edgewall Software
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	4 # All rights reserved.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	5 #
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	6 # This software is licensed as described in the file COPYING, which
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	7 # you should have received as part of this distribution. The terms
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	8 # are also available at http://genshi.edgewall.org/wiki/License.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	9 #
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	10 # This software consists of voluntary contributions made by many
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	11 # individuals. For the exact contribution history, see the revision
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	12 # history and logs, available at http://genshi.edgewall.org/log/.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	13
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	14 """Core classes for markup processing."""
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	15
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	16 try:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	17 reduce # builtin in Python < 3
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	18 except NameError:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	19 from functools import reduce
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	20 from itertools import chain
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	21 import operator
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	22
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	23 from genshi.util import plaintext, stripentities, striptags, stringrepr
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	24
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	25 __all__ = ['Stream', 'Markup', 'escape', 'unescape', 'Attrs', 'Namespace',
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	26 'QName']
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	27 __docformat__ = 'restructuredtext en'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	28
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	29
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	30 class StreamEventKind(str):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	31 """A kind of event on a markup stream."""
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	32 __slots__ = []
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	33 _instances = {}
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	34
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	35 def __new__(cls, val):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	36 return cls._instances.setdefault(val, str.__new__(cls, val))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	37
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	38
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	39 class Stream(object):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	40 """Represents a stream of markup events.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	41
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	42 This class is basically an iterator over the events.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	43
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	44 Stream events are tuples of the form::
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	45
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	46 (kind, data, position)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	47
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	48 where ``kind`` is the event kind (such as `START`, `END`, `TEXT`, etc),
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	49 ``data`` depends on the kind of event, and ``position`` is a
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	50 ``(filename, line, offset)`` tuple that contains the location of the
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	51 original element or text in the input. If the original location is unknown,
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	52 ``position`` is ``(None, -1, -1)``.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	53
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	54 Also provided are ways to serialize the stream to text. The `serialize()`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	55 method will return an iterator over generated strings, while `render()`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	56 returns the complete generated text at once. Both accept various parameters
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	57 that impact the way the stream is serialized.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	58 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	59 __slots__ = ['events', 'serializer']
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	60
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	61 START = StreamEventKind('START') #: a start tag
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	62 END = StreamEventKind('END') #: an end tag
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	63 TEXT = StreamEventKind('TEXT') #: literal text
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	64 XML_DECL = StreamEventKind('XML_DECL') #: XML declaration
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	65 DOCTYPE = StreamEventKind('DOCTYPE') #: doctype declaration
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	66 START_NS = StreamEventKind('START_NS') #: start namespace mapping
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	67 END_NS = StreamEventKind('END_NS') #: end namespace mapping
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	68 START_CDATA = StreamEventKind('START_CDATA') #: start CDATA section
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	69 END_CDATA = StreamEventKind('END_CDATA') #: end CDATA section
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	70 PI = StreamEventKind('PI') #: processing instruction
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	71 COMMENT = StreamEventKind('COMMENT') #: comment
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	72
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	73 def __init__(self, events, serializer=None):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	74 """Initialize the stream with a sequence of markup events.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	75
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	76 :param events: a sequence or iterable providing the events
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	77 :param serializer: the default serialization method to use for this
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	78 stream
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	79
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	80 :note: Changed in 0.5: added the `serializer` argument
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	81 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	82 self.events = events #: The underlying iterable producing the events
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	83 self.serializer = serializer #: The default serializion method
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	84
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	85 def __iter__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	86 return iter(self.events)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	87
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	88 def __or__(self, function):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	89 """Override the "bitwise or" operator to apply filters or serializers
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	90 to the stream, providing a syntax similar to pipes on Unix shells.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	91
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	92 Assume the following stream produced by the `HTML` function:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	93
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	94 >>> from genshi.input import HTML
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	95 >>> html = HTML('''<p onclick="alert('Whoa')">Hello, world!</p>''')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	96 >>> print(html)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	97 <p onclick="alert('Whoa')">Hello, world!</p>
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	98
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	99 A filter such as the HTML sanitizer can be applied to that stream using
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	100 the pipe notation as follows:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	101
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	102 >>> from genshi.filters import HTMLSanitizer
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	103 >>> sanitizer = HTMLSanitizer()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	104 >>> print(html \| sanitizer)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	105 <p>Hello, world!</p>
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	106
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	107 Filters can be any function that accepts and produces a stream (where
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	108 a stream is anything that iterates over events):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	109
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	110 >>> def uppercase(stream):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	111 ... for kind, data, pos in stream:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	112 ... if kind is TEXT:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	113 ... data = data.upper()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	114 ... yield kind, data, pos
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	115 >>> print(html \| sanitizer \| uppercase)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	116 <p>HELLO, WORLD!</p>
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	117
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	118 Serializers can also be used with this notation:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	119
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	120 >>> from genshi.output import TextSerializer
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	121 >>> output = TextSerializer()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	122 >>> print(html \| sanitizer \| uppercase \| output)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	123 HELLO, WORLD!
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	124
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	125 Commonly, serializers should be used at the end of the "pipeline";
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	126 using them somewhere in the middle may produce unexpected results.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	127
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	128 :param function: the callable object that should be applied as a filter
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	129 :return: the filtered stream
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	130 :rtype: `Stream`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	131 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	132 return Stream(_ensure(function(self)), serializer=self.serializer)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	133
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	134 def filter(self, *filters):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	135 """Apply filters to the stream.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	136
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	137 This method returns a new stream with the given filters applied. The
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	138 filters must be callables that accept the stream object as parameter,
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	139 and return the filtered stream.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	140
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	141 The call::
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	142
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	143 stream.filter(filter1, filter2)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	144
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	145 is equivalent to::
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	146
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	147 stream \| filter1 \| filter2
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	148
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	149 :param filters: one or more callable objects that should be applied as
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	150 filters
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	151 :return: the filtered stream
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	152 :rtype: `Stream`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	153 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	154 return reduce(operator.or_, (self,) + filters)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	155
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	156 def render(self, method=None, encoding='utf-8', out=None, **kwargs):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	157 """Return a string representation of the stream.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	158
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	159 Any additional keyword arguments are passed to the serializer, and thus
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	160 depend on the `method` parameter value.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	161
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	162 :param method: determines how the stream is serialized; can be either
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	163 "xml", "xhtml", "html", "text", or a custom serializer
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	164 class; if `None`, the default serialization method of
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	165 the stream is used
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	166 :param encoding: how the output string should be encoded; if set to
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	167 `None`, this method returns a `unicode` object
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	168 :param out: a file-like object that the output should be written to
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	169 instead of being returned as one big string; note that if
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	170 this is a file or socket (or similar), the `encoding` must
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	171 not be `None` (that is, the output must be encoded)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	172 :return: a `str` or `unicode` object (depending on the `encoding`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	173 parameter), or `None` if the `out` parameter is provided
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	174 :rtype: `basestring`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	175
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	176 :see: XMLSerializer, XHTMLSerializer, HTMLSerializer, TextSerializer
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	177 :note: Changed in 0.5: added the `out` parameter
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	178 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	179 from genshi.output import encode
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	180 if method is None:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	181 method = self.serializer or 'xml'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	182 generator = self.serialize(method=method, **kwargs)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	183 return encode(generator, method=method, encoding=encoding, out=out)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	184
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	185 def select(self, path, namespaces=None, variables=None):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	186 """Return a new stream that contains the events matching the given
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	187 XPath expression.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	188
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	189 >>> from genshi import HTML
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	190 >>> stream = HTML('<doc><elem>foo</elem><elem>bar</elem></doc>')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	191 >>> print(stream.select('elem'))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	192 <elem>foo</elem><elem>bar</elem>
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	193 >>> print(stream.select('elem/text()'))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	194 foobar
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	195
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	196 Note that the outermost element of the stream becomes the *context
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	197 node* for the XPath test. That means that the expression "doc" would
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	198 not match anything in the example above, because it only tests against
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	199 child elements of the outermost element:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	200
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	201 >>> print(stream.select('doc'))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	202 <BLANKLINE>
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	203
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	204 You can use the "." expression to match the context node itself
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	205 (although that usually makes little sense):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	206
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	207 >>> print(stream.select('.'))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	208 <doc><elem>foo</elem><elem>bar</elem></doc>
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	209
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	210 :param path: a string containing the XPath expression
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	211 :param namespaces: mapping of namespace prefixes used in the path
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	212 :param variables: mapping of variable names to values
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	213 :return: the selected substream
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	214 :rtype: `Stream`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	215 :raises PathSyntaxError: if the given path expression is invalid or not
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	216 supported
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	217 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	218 from genshi.path import Path
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	219 return Path(path).select(self, namespaces, variables)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	220
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	221 def serialize(self, method='xml', **kwargs):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	222 """Generate strings corresponding to a specific serialization of the
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	223 stream.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	224
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	225 Unlike the `render()` method, this method is a generator that returns
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	226 the serialized output incrementally, as opposed to returning a single
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	227 string.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	228
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	229 Any additional keyword arguments are passed to the serializer, and thus
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	230 depend on the `method` parameter value.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	231
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	232 :param method: determines how the stream is serialized; can be either
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	233 "xml", "xhtml", "html", "text", or a custom serializer
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	234 class; if `None`, the default serialization method of
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	235 the stream is used
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	236 :return: an iterator over the serialization results (`Markup` or
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	237 `unicode` objects, depending on the serialization method)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	238 :rtype: ``iterator``
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	239 :see: XMLSerializer, XHTMLSerializer, HTMLSerializer, TextSerializer
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	240 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	241 from genshi.output import get_serializer
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	242 if method is None:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	243 method = self.serializer or 'xml'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	244 return get_serializer(method, **kwargs)(_ensure(self))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	245
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	246 def __str__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	247 return self.render()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	248
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	249 def __unicode__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	250 return self.render(encoding=None)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	251
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	252 def __html__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	253 return self
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	254
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	255
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	256 START = Stream.START
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	257 END = Stream.END
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	258 TEXT = Stream.TEXT
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	259 XML_DECL = Stream.XML_DECL
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	260 DOCTYPE = Stream.DOCTYPE
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	261 START_NS = Stream.START_NS
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	262 END_NS = Stream.END_NS
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	263 START_CDATA = Stream.START_CDATA
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	264 END_CDATA = Stream.END_CDATA
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	265 PI = Stream.PI
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	266 COMMENT = Stream.COMMENT
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	267
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	268
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	269 def _ensure(stream):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	270 """Ensure that every item on the stream is actually a markup event."""
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	271 stream = iter(stream)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	272 event = stream.next()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	273
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	274 # Check whether the iterable is a real markup event stream by examining the
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	275 # first item it yields; if it's not we'll need to do some conversion
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	276 if type(event) is not tuple or len(event) != 3:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	277 for event in chain([event], stream):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	278 if hasattr(event, 'totuple'):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	279 event = event.totuple()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	280 else:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	281 event = TEXT, unicode(event), (None, -1, -1)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	282 yield event
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	283 return
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	284
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	285 # This looks like a markup event stream, so we'll just pass it through
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	286 # unchanged
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	287 yield event
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	288 for event in stream:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	289 yield event
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	290
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	291
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	292 class Attrs(tuple):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	293 """Immutable sequence type that stores the attributes of an element.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	294
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	295 Ordering of the attributes is preserved, while access by name is also
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	296 supported.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	297
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	298 >>> attrs = Attrs([('href', '#'), ('title', 'Foo')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	299 >>> attrs
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	300 Attrs([('href', '#'), ('title', 'Foo')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	301
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	302 >>> 'href' in attrs
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	303 True
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	304 >>> 'tabindex' in attrs
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	305 False
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	306 >>> attrs.get('title')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	307 'Foo'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	308
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	309 Instances may not be manipulated directly. Instead, the operators ``\|`` and
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	310 ``-`` can be used to produce new instances that have specific attributes
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	311 added, replaced or removed.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	312
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	313 To remove an attribute, use the ``-`` operator. The right hand side can be
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	314 either a string or a set/sequence of strings, identifying the name(s) of
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	315 the attribute(s) to remove:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	316
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	317 >>> attrs - 'title'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	318 Attrs([('href', '#')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	319 >>> attrs - ('title', 'href')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	320 Attrs()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	321
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	322 The original instance is not modified, but the operator can of course be
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	323 used with an assignment:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	324
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	325 >>> attrs
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	326 Attrs([('href', '#'), ('title', 'Foo')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	327 >>> attrs -= 'title'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	328 >>> attrs
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	329 Attrs([('href', '#')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	330
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	331 To add a new attribute, use the ``\|`` operator, where the right hand value
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	332 is a sequence of ``(name, value)`` tuples (which includes `Attrs`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	333 instances):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	334
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	335 >>> attrs \| [('title', 'Bar')]
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	336 Attrs([('href', '#'), ('title', 'Bar')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	337
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	338 If the attributes already contain an attribute with a given name, the value
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	339 of that attribute is replaced:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	340
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	341 >>> attrs \| [('href', 'http://example.org/')]
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	342 Attrs([('href', 'http://example.org/')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	343 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	344 __slots__ = []
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	345
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	346 def __contains__(self, name):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	347 """Return whether the list includes an attribute with the specified
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	348 name.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	349
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	350 :return: `True` if the list includes the attribute
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	351 :rtype: `bool`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	352 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	353 for attr, _ in self:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	354 if attr == name:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	355 return True
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	356
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	357 def __getitem__(self, i):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	358 """Return an item or slice of the attributes list.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	359
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	360 >>> attrs = Attrs([('href', '#'), ('title', 'Foo')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	361 >>> attrs[1]
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	362 ('title', 'Foo')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	363 >>> attrs[1:]
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	364 Attrs([('title', 'Foo')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	365 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	366 items = tuple.__getitem__(self, i)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	367 if type(i) is slice:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	368 return Attrs(items)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	369 return items
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	370
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	371 def __getslice__(self, i, j):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	372 """Return a slice of the attributes list.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	373
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	374 >>> attrs = Attrs([('href', '#'), ('title', 'Foo')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	375 >>> attrs[1:]
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	376 Attrs([('title', 'Foo')])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	377 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	378 return Attrs(tuple.__getslice__(self, i, j))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	379
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	380 def __or__(self, attrs):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	381 """Return a new instance that contains the attributes in `attrs` in
904 2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	382 addition to any already existing attributes. Any attributes in the new
2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	383 set that have a value of `None` are removed.
860 61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	384
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	385 :return: a new instance with the merged attributes
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	386 :rtype: `Attrs`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	387 """
904 2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	388 remove = set([an for an, av in attrs if av is None])
2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	389 replace = dict([(an, av) for an, av in attrs
2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	390 if an in self and av is not None])
2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	391 return Attrs([(sn, replace.get(sn, sv)) for sn, sv in self
2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	392 if sn not in remove] +
2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	393 [(an, av) for an, av in attrs
2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	394 if an not in self and an not in remove])
860 61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	395
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	396 def __repr__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	397 if not self:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	398 return 'Attrs()'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	399 return 'Attrs([%s])' % ', '.join([repr(item) for item in self])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	400
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	401 def __sub__(self, names):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	402 """Return a new instance with all attributes with a name in `names` are
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	403 removed.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	404
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	405 :param names: the names of the attributes to remove
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	406 :return: a new instance with the attribute removed
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	407 :rtype: `Attrs`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	408 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	409 if isinstance(names, basestring):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	410 names = (names,)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	411 return Attrs([(name, val) for name, val in self if name not in names])
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	412
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	413 def get(self, name, default=None):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	414 """Return the value of the attribute with the specified name, or the
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	415 value of the `default` parameter if no such attribute is found.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	416
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	417 :param name: the name of the attribute
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	418 :param default: the value to return when the attribute does not exist
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	419 :return: the attribute value, or the `default` value if that attribute
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	420 does not exist
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	421 :rtype: `object`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	422 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	423 for attr, value in self:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	424 if attr == name:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	425 return value
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	426 return default
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	427
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	428 def totuple(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	429 """Return the attributes as a markup event.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	430
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	431 The returned event is a `TEXT` event, the data is the value of all
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	432 attributes joined together.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	433
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	434 >>> Attrs([('href', '#'), ('title', 'Foo')]).totuple()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	435 ('TEXT', '#Foo', (None, -1, -1))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	436
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	437 :return: a `TEXT` event
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	438 :rtype: `tuple`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	439 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	440 return TEXT, ''.join([x[1] for x in self]), (None, -1, -1)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	441
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	442
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	443 class Markup(unicode):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	444 """Marks a string as being safe for inclusion in HTML/XML output without
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	445 needing to be escaped.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	446 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	447 __slots__ = []
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	448
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	449 def __add__(self, other):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	450 return Markup(unicode.__add__(self, escape(other)))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	451
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	452 def __radd__(self, other):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	453 return Markup(unicode.__add__(escape(other), self))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	454
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	455 def __mod__(self, args):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	456 if isinstance(args, dict):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	457 args = dict(zip(args.keys(), map(escape, args.values())))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	458 elif isinstance(args, (list, tuple)):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	459 args = tuple(map(escape, args))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	460 else:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	461 args = escape(args)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	462 return Markup(unicode.__mod__(self, args))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	463
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	464 def __mul__(self, num):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	465 return Markup(unicode.__mul__(self, num))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	466 __rmul__ = __mul__
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	467
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	468 def __repr__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	469 return "<%s %s>" % (type(self).__name__, unicode.__repr__(self))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	470
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	471 def join(self, seq, escape_quotes=True):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	472 """Return a `Markup` object which is the concatenation of the strings
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	473 in the given sequence, where this `Markup` object is the separator
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	474 between the joined elements.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	475
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	476 Any element in the sequence that is not a `Markup` instance is
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	477 automatically escaped.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	478
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	479 :param seq: the sequence of strings to join
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	480 :param escape_quotes: whether double quote characters in the elements
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	481 should be escaped
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	482 :return: the joined `Markup` object
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	483 :rtype: `Markup`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	484 :see: `escape`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	485 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	486 return Markup(unicode.join(self, [escape(item, quotes=escape_quotes)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	487 for item in seq]))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	488
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	489 @classmethod
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	490 def escape(cls, text, quotes=True):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	491 """Create a Markup instance from a string and escape special characters
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	492 it may contain (<, >, & and \").
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	493
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	494 >>> escape('"1 < 2"')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	495 <Markup u'"1 < 2"'>
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	496
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	497 If the `quotes` parameter is set to `False`, the \" character is left
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	498 as is. Escaping quotes is generally only required for strings that are
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	499 to be used in attribute values.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	500
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	501 >>> escape('"1 < 2"', quotes=False)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	502 <Markup u'"1 < 2"'>
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	503
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	504 :param text: the text to escape
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	505 :param quotes: if ``True``, double quote characters are escaped in
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	506 addition to the other special characters
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	507 :return: the escaped `Markup` string
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	508 :rtype: `Markup`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	509 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	510 if not text:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	511 return cls()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	512 if type(text) is cls:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	513 return text
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	514 if hasattr(text, '__html__'):
904 2772fa7c10a3 The `\|` operator on `Attrs` objects now removes any existing attributes if the value is `None`. cmlenz parents: 862 diff changeset	515 return cls(text.__html__())
860 61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	516
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	517 text = text.replace('&', '&') \
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	518 .replace('<', '<') \
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	519 .replace('>', '>')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	520 if quotes:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	521 text = text.replace('"', '"')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	522 return cls(text)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	523
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	524 def unescape(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	525 """Reverse-escapes &, <, >, and \" and returns a `unicode` object.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	526
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	527 >>> Markup('1 < 2').unescape()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	528 u'1 < 2'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	529
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	530 :return: the unescaped string
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	531 :rtype: `unicode`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	532 :see: `genshi.core.unescape`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	533 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	534 if not self:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	535 return ''
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	536 return unicode(self).replace('"', '"') \
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	537 .replace('>', '>') \
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	538 .replace('<', '<') \
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	539 .replace('&', '&')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	540
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	541 def stripentities(self, keepxmlentities=False):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	542 """Return a copy of the text with any character or numeric entities
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	543 replaced by the equivalent UTF-8 characters.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	544
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	545 If the `keepxmlentities` parameter is provided and evaluates to `True`,
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	546 the core XML entities (``&``, ``'``, ``>``, ``<`` and
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	547 ``"``) are not stripped.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	548
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	549 :return: a `Markup` instance with entities removed
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	550 :rtype: `Markup`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	551 :see: `genshi.util.stripentities`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	552 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	553 return Markup(stripentities(self, keepxmlentities=keepxmlentities))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	554
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	555 def striptags(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	556 """Return a copy of the text with all XML/HTML tags removed.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	557
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	558 :return: a `Markup` instance with all tags removed
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	559 :rtype: `Markup`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	560 :see: `genshi.util.striptags`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	561 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	562 return Markup(striptags(self))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	563
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	564
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	565 try:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	566 from genshi._speedups import Markup
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	567 except ImportError:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	568 pass # just use the Python implementation
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	569
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	570
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	571 escape = Markup.escape
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	572
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	573
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	574 def unescape(text):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	575 """Reverse-escapes &, <, >, and \" and returns a `unicode` object.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	576
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	577 >>> unescape(Markup('1 < 2'))
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	578 u'1 < 2'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	579
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	580 If the provided `text` object is not a `Markup` instance, it is returned
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	581 unchanged.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	582
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	583 >>> unescape('1 < 2')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	584 '1 < 2'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	585
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	586 :param text: the text to unescape
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	587 :return: the unescsaped string
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	588 :rtype: `unicode`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	589 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	590 if not isinstance(text, Markup):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	591 return text
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	592 return text.unescape()
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	593
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	594
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	595 class Namespace(object):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	596 """Utility class creating and testing elements with a namespace.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	597
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	598 Internally, namespace URIs are encoded in the `QName` of any element or
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	599 attribute, the namespace URI being enclosed in curly braces. This class
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	600 helps create and test these strings.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	601
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	602 A `Namespace` object is instantiated with the namespace URI.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	603
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	604 >>> html = Namespace('http://www.w3.org/1999/xhtml')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	605 >>> html
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	606 Namespace('http://www.w3.org/1999/xhtml')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	607 >>> html.uri
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	608 u'http://www.w3.org/1999/xhtml'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	609
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	610 The `Namespace` object can than be used to generate `QName` objects with
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	611 that namespace:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	612
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	613 >>> html.body
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	614 QName('http://www.w3.org/1999/xhtml}body')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	615 >>> html.body.localname
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	616 u'body'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	617 >>> html.body.namespace
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	618 u'http://www.w3.org/1999/xhtml'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	619
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	620 The same works using item access notation, which is useful for element or
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	621 attribute names that are not valid Python identifiers:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	622
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	623 >>> html['body']
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	624 QName('http://www.w3.org/1999/xhtml}body')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	625
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	626 A `Namespace` object can also be used to test whether a specific `QName`
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	627 belongs to that namespace using the ``in`` operator:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	628
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	629 >>> qname = html.body
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	630 >>> qname in html
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	631 True
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	632 >>> qname in Namespace('http://www.w3.org/2002/06/xhtml2')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	633 False
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	634 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	635 def __new__(cls, uri):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	636 if type(uri) is cls:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	637 return uri
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	638 return object.__new__(cls)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	639
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	640 def __getnewargs__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	641 return (self.uri,)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	642
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	643 def __getstate__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	644 return self.uri
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	645
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	646 def __setstate__(self, uri):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	647 self.uri = uri
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	648
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	649 def __init__(self, uri):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	650 self.uri = unicode(uri)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	651
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	652 def __contains__(self, qname):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	653 return qname.namespace == self.uri
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	654
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	655 def __ne__(self, other):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	656 return not self == other
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	657
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	658 def __eq__(self, other):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	659 if isinstance(other, Namespace):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	660 return self.uri == other.uri
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	661 return self.uri == other
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	662
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	663 def __getitem__(self, name):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	664 return QName(self.uri + '}' + name)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	665 __getattr__ = __getitem__
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	666
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	667 def __hash__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	668 return hash(self.uri)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	669
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	670 def __repr__(self):
862 37fb3988647a Make the output tests skip the encoding step. cmlenz parents: 861 diff changeset	671 return '%s(%s)' % (type(self).__name__, stringrepr(self.uri))
860 61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	672
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	673 def __str__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	674 return self.uri.encode('utf-8')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	675
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	676 def __unicode__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	677 return self.uri
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	678
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	679
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	680 # The namespace used by attributes such as xml:lang and xml:space
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	681 XML_NAMESPACE = Namespace('http://www.w3.org/XML/1998/namespace')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	682
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	683
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	684 class QName(unicode):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	685 """A qualified element or attribute name.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	686
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	687 The unicode value of instances of this class contains the qualified name of
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	688 the element or attribute, in the form ``{namespace-uri}local-name``. The
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	689 namespace URI can be obtained through the additional `namespace` attribute,
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	690 while the local name can be accessed through the `localname` attribute.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	691
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	692 >>> qname = QName('foo')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	693 >>> qname
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	694 QName('foo')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	695 >>> qname.localname
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	696 u'foo'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	697 >>> qname.namespace
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	698
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	699 >>> qname = QName('http://www.w3.org/1999/xhtml}body')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	700 >>> qname
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	701 QName('http://www.w3.org/1999/xhtml}body')
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	702 >>> qname.localname
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	703 u'body'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	704 >>> qname.namespace
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	705 u'http://www.w3.org/1999/xhtml'
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	706 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	707 __slots__ = ['namespace', 'localname']
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	708
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	709 def __new__(cls, qname):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	710 """Create the `QName` instance.
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	711
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	712 :param qname: the qualified name as a string of the form
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	713 ``{namespace-uri}local-name``, where the leading curly
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	714 brace is optional
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	715 """
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	716 if type(qname) is cls:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	717 return qname
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	718
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	719 parts = qname.lstrip('{').split('}', 1)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	720 if len(parts) > 1:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	721 self = unicode.__new__(cls, '{%s' % qname)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	722 self.namespace, self.localname = map(unicode, parts)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	723 else:
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	724 self = unicode.__new__(cls, qname)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	725 self.namespace, self.localname = None, unicode(qname)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	726 return self
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	727
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	728 def __getnewargs__(self):
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	729 return (self.lstrip('{'),)
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	730
61d37796da98 A bit of cleanup of the `Markup` Python implementation. cmlenz parents: 857 diff changeset	731 def __repr__(self):
862 37fb3988647a Make the output tests skip the encoding step. cmlenz parents: 861 diff changeset	732 return '%s(%s)' % (type(self).__name__, stringrepr(self.lstrip('{')))

Mercurial > genshi > genshi-test

annotate genshi/core.py @ 904:2772fa7c10a3