class _NSContext(object):
"""
A mapping from XML namespaces onto their prefixes in the document.
"""
def __init__(self, parent=None):
"""
Pull out the parent's namespaces, if there's no parent then default to
XML.
"""
self.parent = parent
if parent is not None:
self.nss = OrderedDict(parent.nss)
else:
self.nss = {"http://www.w3.org/XML/1998/namespace": "xml"}
def get(self, k, d=None):
"""
Get a prefix for a namespace.
@param d: The default prefix value.
"""
return self.nss.get(k, d)
def __setitem__(self, k, v):
"""
Proxy through to setting the prefix for the namespace.
"""
self.nss.__setitem__(k, v)
def __getitem__(self, k):
"""
Proxy through to getting the prefix for the namespace.
"""
return self.nss.__getitem__(k)
class _NSContext(object):
"""
A mapping from XML namespaces onto their prefixes in the document.
"""
def __init__(self, parent=None):
"""
Pull out the parent's namespaces, if there's no parent then default to
XML.
"""
self.parent = parent
if parent is not None:
self.nss = OrderedDict(parent.nss)
else:
self.nss = {'http://www.w3.org/XML/1998/namespace': 'xml'}
def get(self, k, d=None):
"""
Get a prefix for a namespace.
@param d: The default prefix value.
"""
return self.nss.get(k, d)
def __setitem__(self, k, v):
"""
Proxy through to setting the prefix for the namespace.
"""
self.nss.__setitem__(k, v)
def __getitem__(self, k):
"""
Proxy through to getting the prefix for the namespace.
"""
return self.nss.__getitem__(k)
def __init__(self, parent=None):
"""
Pull out the parent's namespaces, if there's no parent then default to
XML.
"""
self.parent = parent
if parent is not None:
self.nss = OrderedDict(parent.nss)
else:
self.nss = {'http://www.w3.org/XML/1998/namespace': 'xml'}
def test_serializedMultipleAttributes(self):
"""
Multiple attributes are separated by a single space in their serialized
form.
"""
tag = tags.img()
tag.attributes = OrderedDict([("src", "foo"), ("name", "bar")])
self.assertFlattensImmediately(tag, b'<img src="foo" name="bar" />')
def __init__(self, parent=None):
"""
Pull out the parent's namespaces, if there's no parent then default to
XML.
"""
self.parent = parent
if parent is not None:
self.nss = OrderedDict(parent.nss)
else:
self.nss = {"http://www.w3.org/XML/1998/namespace": "xml"}
def startElementNS(self, namespaceAndName, qname, attrs):
"""
Gets called when we encounter a new xmlns attribute.
@param namespaceAndName: a (namespace, name) tuple, where name
determines which type of action to take, if the namespace matches
L{TEMPLATE_NAMESPACE}.
@param qname: ignored.
@param attrs: attributes on the element being started.
"""
filename = self.sourceFilename
lineNumber = self.locator.getLineNumber()
columnNumber = self.locator.getColumnNumber()
ns, name = namespaceAndName
if ns == TEMPLATE_NAMESPACE:
if name == "transparent":
name = ""
elif name == "slot":
try:
# Try to get the default value for the slot
default = attrs[(None, "default")]
except KeyError:
# If there wasn't one, then use None to indicate no
# default.
default = None
el = slot(
attrs[(None, "name")],
default=default,
filename=filename,
lineNumber=lineNumber,
columnNumber=columnNumber,
)
self.stack.append(el)
self.current.append(el)
self.current = el.children
return
render = None
attrs = OrderedDict(attrs)
for k, v in items(attrs):
attrNS, justTheName = k
if attrNS != TEMPLATE_NAMESPACE:
continue
if justTheName == "render":
render = v
del attrs[k]
# nonTemplateAttrs is a dictionary mapping attributes that are *not* in
# TEMPLATE_NAMESPACE to their values. Those in TEMPLATE_NAMESPACE were
# just removed from 'attrs' in the loop immediately above. The key in
# nonTemplateAttrs is either simply the attribute name (if it was not
# specified as having a namespace in the template) or prefix:name,
# preserving the xml namespace prefix given in the document.
nonTemplateAttrs = OrderedDict()
for (attrNs, attrName), v in items(attrs):
nsPrefix = self.prefixMap.get(attrNs)
if nsPrefix is None:
attrKey = attrName
else:
attrKey = "%s:%s" % (nsPrefix, attrName)
nonTemplateAttrs[attrKey] = v
if ns == TEMPLATE_NAMESPACE and name == "attr":
if not self.stack:
# TODO: define a better exception for this?
raise AssertionError("<{%s}attr> as top-level element" % (TEMPLATE_NAMESPACE,))
if "name" not in nonTemplateAttrs:
# TODO: same here
raise AssertionError("<{%s}attr> requires a name attribute" % (TEMPLATE_NAMESPACE,))
el = Tag("", render=render, filename=filename, lineNumber=lineNumber, columnNumber=columnNumber)
self.stack[-1].attributes[nonTemplateAttrs["name"]] = el
self.stack.append(el)
self.current = el.children
return
# Apply any xmlns attributes
if self.xmlnsAttrs:
nonTemplateAttrs.update(OrderedDict(self.xmlnsAttrs))
self.xmlnsAttrs = []
# Add the prefix that was used in the parsed template for non-template
# namespaces (which will not be consumed anyway).
if ns != TEMPLATE_NAMESPACE and ns is not None:
prefix = self.prefixMap[ns]
if prefix is not None:
name = "%s:%s" % (self.prefixMap[ns], name)
el = Tag(
name,
attributes=OrderedDict(nonTemplateAttrs),
render=render,
filename=filename,
lineNumber=lineNumber,
columnNumber=columnNumber,
)
self.stack.append(el)
self.current.append(el)
self.current = el.children
def startElementNS(self, namespaceAndName, qname, attrs):
"""
Gets called when we encounter a new xmlns attribute.
@param namespaceAndName: a (namespace, name) tuple, where name
determines which type of action to take, if the namespace matches
L{TEMPLATE_NAMESPACE}.
@param qname: ignored.
@param attrs: attributes on the element being started.
"""
filename = self.sourceFilename
lineNumber = self.locator.getLineNumber()
columnNumber = self.locator.getColumnNumber()
ns, name = namespaceAndName
if ns == TEMPLATE_NAMESPACE:
if name == 'transparent':
name = ''
elif name == 'slot':
try:
# Try to get the default value for the slot
default = attrs[(None, 'default')]
except KeyError:
# If there wasn't one, then use None to indicate no
# default.
default = None
el = slot(attrs[(None, 'name')],
default=default,
filename=filename,
lineNumber=lineNumber,
columnNumber=columnNumber)
self.stack.append(el)
self.current.append(el)
self.current = el.children
return
render = None
attrs = OrderedDict(attrs)
for k, v in items(attrs):
attrNS, justTheName = k
if attrNS != TEMPLATE_NAMESPACE:
continue
if justTheName == 'render':
render = v
del attrs[k]
# nonTemplateAttrs is a dictionary mapping attributes that are *not* in
# TEMPLATE_NAMESPACE to their values. Those in TEMPLATE_NAMESPACE were
# just removed from 'attrs' in the loop immediately above. The key in
# nonTemplateAttrs is either simply the attribute name (if it was not
# specified as having a namespace in the template) or prefix:name,
# preserving the xml namespace prefix given in the document.
nonTemplateAttrs = OrderedDict()
for (attrNs, attrName), v in items(attrs):
nsPrefix = self.prefixMap.get(attrNs)
if nsPrefix is None:
attrKey = attrName
else:
attrKey = '%s:%s' % (nsPrefix, attrName)
nonTemplateAttrs[attrKey] = v
if ns == TEMPLATE_NAMESPACE and name == 'attr':
if not self.stack:
# TODO: define a better exception for this?
raise AssertionError('<{%s}attr> as top-level element' %
(TEMPLATE_NAMESPACE, ))
if 'name' not in nonTemplateAttrs:
# TODO: same here
raise AssertionError('<{%s}attr> requires a name attribute' %
(TEMPLATE_NAMESPACE, ))
el = Tag('',
render=render,
filename=filename,
lineNumber=lineNumber,
columnNumber=columnNumber)
self.stack[-1].attributes[nonTemplateAttrs['name']] = el
self.stack.append(el)
self.current = el.children
return
# Apply any xmlns attributes
if self.xmlnsAttrs:
nonTemplateAttrs.update(OrderedDict(self.xmlnsAttrs))
self.xmlnsAttrs = []
# Add the prefix that was used in the parsed template for non-template
# namespaces (which will not be consumed anyway).
if ns != TEMPLATE_NAMESPACE and ns is not None:
prefix = self.prefixMap[ns]
if prefix is not None:
name = '%s:%s' % (self.prefixMap[ns], name)
el = Tag(name,
attributes=OrderedDict(nonTemplateAttrs),
render=render,
filename=filename,
lineNumber=lineNumber,
columnNumber=columnNumber)
self.stack.append(el)
self.current.append(el)
self.current = el.children
