def insertText(self, data, insertBefore=None):
"""Insert data as text in the current node, positioned before the
start of node insertBefore or to the end of the node's text.
"""
if insertBefore:
self.insertBefore(tree.text(data), insertBefore)
else:
self.xml_append(tree.text(data))
def insertText(self, data, insertBefore=None):
"""Insert data as text in the current node, positioned before the
start of node insertBefore or to the end of the node's text.
"""
if insertBefore:
self.insertBefore(tree.text(data), insertBefore)
else:
self.xml_append(tree.text(data))
def replace_function(context, string, search, replace):
"""
The str:replace function converts a string to a node-set, with
each instance of a substring from a given list (obtained from the
string-values of nodes in the second argument) replaced by the
node at the corresponding position of the node-set given as the
third argument. Unreplaced substrings become text nodes.
The second and third arguments can be any type of object; if
either is not a node-set, it is treated as if it were a node-set
of just one text node, formed from the object's string-value.
Attribute and namespace nodes in the replacement set are
erroneous but are treated as empty text nodes.
All occurrences of the longest substrings are replaced first,
and once a replacement is made, that span of the original string
is no longer eligible for future replacements.
An empty search string matches between every character of the
original string.
See http://exslt.org/str/functions/replace/str.replace.html for details.
"""
#FIXME: http://www.exslt.org/str/functions/replace/ doesn't say we have
#to convert the first arg to a string, but should we, anyway?
#If not, we should at least check and flag non-strings with a clear error?
# prepare a list of strings to search for (based on searchNodeSet)
string = string.evaluate_as_string(context)
search = search.evaluate(context)
replace = replace.evaluate(context)
if isinstance(search, datatypes.nodeset):
search = map(datatypes.string, search)
else:
search = [datatypes.string(search)]
if isinstance(replace, datatypes.nodeset):
# use `replace` but replace attr, ns nodes with empty text nodes
for index, node in enumerate(replace):
if isinstance(node, (tree.attribute, tree.namespace)):
replace[index] = tree.text(u'')
else:
replace = [tree.text(datatypes.string(replace))]
# Unpaired search patterns are to be deleted (replacement is None)
replace = itertools.chain(replace, itertools.repeat(None))
# Sort the tuples in ascending order by length of string.
# So that the longest search strings will be replaced first,
replacements = zip(search, replace, itertools.imap(len, search))
replacements.sort(key=operator.itemgetter(2), reverse=True)
# generate a result tree fragment
context.push_tree_writer(context.instruction.baseUri)
_replace(context, string, *replacements)
writer = context.pop_writer()
rtf = writer.get_result()
return datatypes.nodeset(rtf.xml_children)
def replace_function(context, string, search, replace):
"""
The str:replace function converts a string to a node-set, with
each instance of a substring from a given list (obtained from the
string-values of nodes in the second argument) replaced by the
node at the corresponding position of the node-set given as the
third argument. Unreplaced substrings become text nodes.
The second and third arguments can be any type of object; if
either is not a node-set, it is treated as if it were a node-set
of just one text node, formed from the object's string-value.
Attribute and namespace nodes in the replacement set are
erroneous but are treated as empty text nodes.
All occurrences of the longest substrings are replaced first,
and once a replacement is made, that span of the original string
is no longer eligible for future replacements.
An empty search string matches between every character of the
original string.
See http://exslt.org/str/functions/replace/str.replace.html for details.
"""
# FIXME: http://www.exslt.org/str/functions/replace/ doesn't say we have
# to convert the first arg to a string, but should we, anyway?
# If not, we should at least check and flag non-strings with a clear error?
# prepare a list of strings to search for (based on searchNodeSet)
string = string.evaluate_as_string(context)
search = search.evaluate(context)
replace = replace.evaluate(context)
if isinstance(search, datatypes.nodeset):
search = map(datatypes.string, search)
else:
search = [datatypes.string(search)]
if isinstance(replace, datatypes.nodeset):
# use `replace` but replace attr, ns nodes with empty text nodes
for index, node in enumerate(replace):
if isinstance(node, (tree.attribute, tree.namespace)):
replace[index] = tree.text(u"")
else:
replace = [tree.text(datatypes.string(replace))]
# Unpaired search patterns are to be deleted (replacement is None)
replace = itertools.chain(replace, itertools.repeat(None))
# Sort the tuples in ascending order by length of string.
# So that the longest search strings will be replaced first,
replacements = zip(search, replace, itertools.imap(len, search))
replacements.sort(key=operator.itemgetter(2), reverse=True)
# generate a result tree fragment
context.push_tree_writer(context.instruction.baseUri)
_replace(context, string, *replacements)
writer = context.pop_writer()
rtf = writer.get_result()
return datatypes.nodeset(rtf.xml_children)
def pagelink(self, on, pagename="", page=None, **kw):
FormatterBase.pagelink(self, on, pagename, page, **kw)
if page is None:
page = Page(self.request, pagename, formatter=self)
link_text = page.link_to(self.request, on=on, **kw)
self._curr.xml_append(tree.text(U(link_text)))
return ""
def pagelink(self, on, pagename='', page=None, **kw):
FormatterBase.pagelink(self, on, pagename, page, **kw)
if page is None:
page = Page(self.request, pagename, formatter=self)
link_text = page.link_to(self.request, on=on, **kw)
self._curr.xml_append(tree.text(U(link_text)))
return ''
def test_chardata_unb(self):
spam = tree.text(u'Spam')
self.assertEqual(spam.xml_value, u'Spam')
self.assertEqual(len(spam.xml_value), 4)
self.assertEqual(spam.xml_value[1:3], u'pa')
spam.xml_value += u' eggs'
self.assertEqual(spam.xml_value, u'Spam eggs')
def list_services(self, ident=None):
document = tree.entity()
services = document.xml_append(tree.element(None, 'services'))
for path, service in sorted(self._registered_services.iteritems()):
if ident is not None and service.ident != ident:
continue
service_node = services.xml_append(tree.element(None, 'service'))
service_node.xml_attributes['ident'] = service.ident
E = service_node.xml_append(tree.element(None, 'path'))
template = service.template
if template is not None:
E.xml_attributes["template"] = service.template.template
E.xml_append(tree.text(path))
E = service_node.xml_append(tree.element(None, 'description'))
E.xml_append(tree.text(service.doc))
return document
def test_chardata_unb(self):
spam = tree.text(u'Spam')
self.assertEqual(spam.xml_value, u'Spam')
self.assertEqual(len(spam.xml_value), 4)
self.assertEqual(spam.xml_value[1:3], u'pa')
spam.xml_value += u' eggs'
self.assertEqual(spam.xml_value, u'Spam eggs')
def list_services(self, ident=None):
document = tree.entity()
services = document.xml_append(tree.element(None, 'services'))
for path, service in sorted(self._registered_services.iteritems()):
if ident is not None and service.ident != ident:
continue
service_node = services.xml_append(tree.element(None, 'service'))
service_node.xml_attributes['ident'] = service.ident
E = service_node.xml_append(tree.element(None, 'path'))
template = service.template
if template is not None:
E.xml_attributes["template"] = service.template.template
E.xml_append(tree.text(path))
E = service_node.xml_append(tree.element(None, 'description'))
E.xml_append(tree.text(service.doc))
return document
def xml_append(self, obj):
# Can't really rely on super here
base_class = {tree.element.xml_type: tree.element, tree.entity.xml_type: tree.entity}[self.xml_type]
if isinstance(obj, str):
base_class.xml_append(self, tree.text(obj.decode(self.factory_entity.xml_encoding)))
elif isinstance(obj, unicode):
base_class.xml_append(self, tree.text(obj))
elif isinstance(obj, tree.node):
base_class.xml_append(self, obj)
elif isinstance(obj, E):
buf = StringIO()
w = structwriter(indent=u"yes", stream=buf)
w.feed(obj)
self.xml_append_fragment(buf.getvalue())
else:
raise TypeError
return
def xml_append(self, obj):
#Can't really rely on super here
base_class = {tree.element.xml_type: tree.element, tree.entity.xml_type: tree.entity}[self.xml_type]
if isinstance(obj, str):
base_class.xml_append(self, tree.text(obj.decode(self.factory_entity.xml_encoding)))
elif isinstance(obj, unicode):
base_class.xml_append(self, tree.text(obj))
elif isinstance(obj, tree.node):
base_class.xml_append(self, obj)
elif isinstance(obj, E):
buf = StringIO()
w = structwriter(indent=u"yes", stream=buf)
w.feed(obj)
self.xml_append_fragment(buf.getvalue())
else:
raise TypeError
return
def _addTextElem(self, target, elemName, text):
"""
Creates an element of the name elemName and adds a text node to it
with the nodeValue of text. The new element is then added as a child
to the element target.
"""
newElement = tree.element(None, elemName)
newElement.xml_append(tree.text(text))
target.xml_append(newElement)
def _addTextElem(self, target, elemName, text):
"""
Creates an element of the name elemName and adds a text node to it
with the nodeValue of text. The new element is then added as a child
to the element target.
"""
newElement = tree.element(None, elemName)
newElement.xml_append(tree.text(text))
target.xml_append(newElement)
def test_create_new_doc_comment(self):
EXPECTED = '<A a="b">One</A><!--This is easy-->'
doc = tree.entity()
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
doc.xml_append(tree.comment(u"This is easy"))
self.compare_output(doc, XMLDECL+EXPECTED)
return
def test_create_new_doc_comment(self):
EXPECTED = '<A a="b">One</A><!--This is easy-->'
doc = tree.entity()
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
doc.xml_append(tree.comment(u"This is easy"))
self.compare_output(doc, XMLDECL + EXPECTED)
return
def test_create_new_doc_pi(self):
EXPECTED = '<?xml-stylesheet href="classic.xsl" type="text/xml"?><A a="b">One</A>'
doc = tree.entity()
doc.xml_append(tree.processing_instruction(u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"'))
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
self.compare_output(doc, XMLDECL+EXPECTED)
return
def test_create_new_doc_attr_factory(self):
EXPECTED = '<A a="b">One</A>'
doc = tree.entity()
A = tree.element(None, u'A')
new_attr = A.xml_attribute_factory(None, u'a', u'b')
A.xml_attributes.setnode(new_attr)
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
self.compare_output(doc, XMLDECL+EXPECTED)
return
def test_create_new_doc_attr_factory(self):
EXPECTED = '<A a="b">One</A>'
doc = tree.entity()
A = tree.element(None, u'A')
new_attr = A.xml_attribute_factory(None, u'a', u'b')
A.xml_attributes.setnode(new_attr)
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
self.compare_output(doc, XMLDECL + EXPECTED)
return
def test_create_new_doc_pi(self):
EXPECTED = '<?xml-stylesheet href="classic.xsl" type="text/xml"?><A a="b">One</A>'
doc = tree.entity()
doc.xml_append(
tree.processing_instruction(u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"'))
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
self.compare_output(doc, XMLDECL + EXPECTED)
return
def paramvalue(obj):
"""
Try to convert a Python object into an XPath data model value
returns the value if successful, else None
"""
if isinstance(obj, datatypes.xpathobject):
return obj
if isinstance(obj, unicode):
return datatypes.string(obj)
elif isinstance(obj, str):
try:
obj = obj.decode("utf-8")
except UnicodeError:
return None
else:
return datatypes.string(obj)
elif isinstance(obj, bool): # <bool> is subclasses of <int>, test first
return datatypes.TRUE if obj else datatypes.FALSE
elif isinstance(obj, (int, long, float)):
return datatypes.number(obj)
elif isinstance(obj, tree.node):
return obj
# NOTE: At one time (WSGI.xml days) this attemped to be smart and handle
# all iterables but this would mean blindly dealing with dangerous
# creatures, such as sockets. So now it's more conservative and sticks to
# just list & tuple.
elif isinstance(obj, (list, tuple)):
# We can only use the list if the items are all nodes or all strings.
# Strings are converted to a nodeset of text nodes.
for item in obj:
if not isinstance(item, (str, unicode)):
break
else:
# We need to use an entity to preserve ordering
entity = tree.entity()
for item in obj:
if isinstance(item, str):
try:
item = unicode(item, "utf8")
except UnicodeError:
return None
entity.xml_append(tree.text(item))
return datatypes.nodeset(entity.xml_children)
# We can only use the list if all the items are nodes.
for item in obj:
if not isinstance(item, tree.node):
return None
return datatypes.nodeset(obj)
else:
return None
def paramvalue(obj):
"""
Try to convert a Python object into an XPath data model value
returns the value if successful, else None
"""
if isinstance(obj, datatypes.xpathobject):
return obj
if isinstance(obj, unicode):
return datatypes.string(obj)
elif isinstance(obj, str):
try:
obj = obj.decode('utf-8')
except UnicodeError:
return None
else:
return datatypes.string(obj)
elif isinstance(obj, bool): # <bool> is subclasses of <int>, test first
return datatypes.TRUE if obj else datatypes.FALSE
elif isinstance(obj, (int, long, float)):
return datatypes.number(obj)
elif isinstance(obj, tree.node):
return obj
# NOTE: At one time (WSGI.xml days) this attemped to be smart and handle
# all iterables but this would mean blindly dealing with dangerous
# creatures, such as sockets. So now it's more conservative and sticks to
# just list & tuple.
elif isinstance(obj, (list, tuple)):
# We can only use the list if the items are all nodes or all strings.
# Strings are converted to a nodeset of text nodes.
for item in obj:
if not isinstance(item, (str, unicode)):
break
else:
# We need to use an entity to preserve ordering
entity = tree.entity()
for item in obj:
if isinstance(item, str):
try:
item = unicode(item, 'utf8')
except UnicodeError:
return None
entity.xml_append(tree.text(item))
return datatypes.nodeset(entity.xml_children)
# We can only use the list if all the items are nodes.
for item in obj:
if not isinstance(item, tree.node):
return None
return datatypes.nodeset(obj)
else:
return None
def text(self, text, **kw):
if text == u"\\n":
srcText = u"\n"
else:
srcText = text
if srcText and self._isInsidePreformatted():
# 4Suite version used CDATASection nodes. Don't bother
self.cur.xml_last_child.xml_append(tree.text(srcText))
elif self.cur.xml_qname in self.wrap_text_in_para:
"""
If we already wrapped one text item in a para, we should add to that para
and not create a new one. Another question is if we should add a space?
"""
if self.cur.xml_last_child is not None and self.cur.xml_last_child.xml_qname == u'para':
self.cur.xml_last_child.xml_append(tree.text(srcText))
else:
self.paragraph(1)
self.text(text)
self.paragraph(0)
else:
self.cur.xml_append(tree.text(srcText))
return ""
def text(self, text, **kw):
if text == u"\\n":
srcText = u"\n"
else:
srcText = text
if srcText and self._isInsidePreformatted():
# 4Suite version used CDATASection nodes. Don't bother
self.cur.xml_last_child.xml_append(tree.text(srcText))
elif self.cur.xml_qname in self.wrap_text_in_para:
"""
If we already wrapped one text item in a para, we should add to that para
and not create a new one. Another question is if we should add a space?
"""
if self.cur.xml_last_child is not None and self.cur.xml_last_child.xml_qname == u"para":
self.cur.xml_last_child.xml_append(tree.text(srcText))
else:
self.paragraph(1)
self.text(text)
self.paragraph(0)
else:
self.cur.xml_append(tree.text(srcText))
return ""
def test_reading_building(self):
doc = tree.entity()
doc.xml_append(tree.processing_instruction(u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"'))
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
doc.xml_append(tree.comment(u"This is easy"))
doc2 = amara.parse('docs/whatsnew_doc1.xml')
output1 = cStringIO.StringIO()
output2 = cStringIO.StringIO()
xml_print(doc, stream=output1)
xml_print(doc2, stream=output2)
self.assertEqual(output1.getvalue(), output2.getvalue())
return
def set_default(self, node):
#XXX: Should be able to reuse named_node_test function
#What prefix to use
for prefix, ns in node.xml_namespaces.items():
if ns == self.ns and prefix:
qname = prefix + u':' + self.local
break
else:
#No prefix: just hijack the default namespace
qname = self.local
ownerdoc = node.xml_select(u'/')[0]
eclass = ownerdoc.eclass(self.ns, self.local)
new_elem = eclass(self.ns, qname)
new_elem.xml_append(tree.text(self.default))
node.xml_append(new_elem)
return
def set_default(self, node):
#XXX: Should be able to reuse named_node_test function
#What prefix to use
for prefix, ns in node.xml_namespaces.items():
if ns == self.ns and prefix:
qname = prefix + u':' + self.local
break
else:
#No prefix: just hijack the default namespace
qname = self.local
ownerdoc = node.xml_select(u'/')[0]
eclass = ownerdoc.eclass(self.ns, self.local)
new_elem = eclass(self.ns, qname)
new_elem.xml_append(tree.text(self.default))
node.xml_append(new_elem)
return
def test_reading_building(self):
doc = tree.entity()
doc.xml_append(
tree.processing_instruction(u'xml-stylesheet',
u'href="classic.xsl" type="text/xml"'))
A = tree.element(None, u'A')
A.xml_attributes[u'a'] = u'b'
A.xml_append(tree.text(u'One'))
doc.xml_append(A)
doc.xml_append(tree.comment(u"This is easy"))
doc2 = amara.parse('docs/whatsnew_doc1.xml')
output1 = cStringIO.StringIO()
output2 = cStringIO.StringIO()
xml_print(doc, stream=output1)
xml_print(doc2, stream=output2)
self.assertEqual(output1.getvalue(), output2.getvalue())
return
def _map(context, nodeset, expr):
focus = context.node, context.position, context.size
context.size = len(nodeset)
position = 1
inputs = iter(nodeset)
return_type = None
result = set()
for node in inputs:
context.node = node
context.position = position
position += 1
try:
obj = expr.evaluate(context)
except:
lines = traceback.format_exception(*sys.exc_info())
lines[:1] = [("Runtime error in XPath expression '%(expr)s', "
"lower-level traceback:\n") % {
'expr': string
}]
context.processor.warning(''.join(lines))
else:
if not return_type:
if isinstance(obj, datatypes.nodeset):
tag_name = None
elif isinstance(obj, datatypes.number):
tag_name = 'exsl:number'
converter = datatypes.string
elif isinstance(obj, datatypes.boolean):
tag_name = 'exsl:boolean'
converter = lambda obj: u'true' if obj else u''
else:
tag_name = 'exsl:string'
converter = datatypes.string
return_type = True
if tag_name:
E = tree.element(EXSL_COMMON_NS, tag_name)
E.xml_append(tree.text(converter(obj)))
result.add(E)
else:
result.update(obj)
context.node, context.position, context.size = focus
return datatypes.nodeset(result)
def trim(node, count):
newnode = copy(node)
for child in node.xml_children:
if count >= maxcount:
break
words = len(child.xml_select(u'string(.)').split())
if count + words < maxcount:
newnode.xml_append(deepcopy(child))
count += words
else:
if isinstance(child, tree.text):
words_required = maxcount - count
chunk = child.xml_value.rsplit(None,
words - words_required)[0]
newnode.xml_append(tree.text(chunk))
else:
newnode.xml_append(trim(child, count))
count = maxcount
return newnode
def trim(node, count):
newnode = copy(node)
for child in node.xml_children:
if count >= maxcount:
break
words = len(child.xml_select(u'string(.)').split())
if count + words < maxcount:
newnode.xml_append(deepcopy(child))
count += words
else:
if isinstance(child, tree.text):
words_required = maxcount - count
chunk = child.xml_value.rsplit(None,
words-words_required)[0]
newnode.xml_append(tree.text(chunk))
else:
newnode.xml_append(trim(child, count))
count = maxcount
return newnode
def nodeset_function(context, arg0):
"""
The purpose of the exsl:node-set function is to return a node-set from a
result tree fragment. If the argument is a node-set already, it is simply
returned as is. If the argument to exsl:node-set is not a node-set or a
result tree fragment, then it is converted to a string as by the string()
function, and the function returns a node-set consisting of a single text
node with that string value.
The exsl:node-set function does not have side-effects: the result tree
fragment used as an argument is still available as a result tree fragment
after it is passed as an argument to exsl:node-set.
"""
obj = arg0.evaluate(context)
if not isinstance(obj, datatypes.nodeset):
if not isinstance(obj, tree.entity):
obj = (tree.text(datatypes.string(obj)), )
obj = datatypes.nodeset([obj])
return obj
def nodeset_function(context, arg0):
"""
The purpose of the exsl:node-set function is to return a node-set from a
result tree fragment. If the argument is a node-set already, it is simply
returned as is. If the argument to exsl:node-set is not a node-set or a
result tree fragment, then it is converted to a string as by the string()
function, and the function returns a node-set consisting of a single text
node with that string value.
The exsl:node-set function does not have side-effects: the result tree
fragment used as an argument is still available as a result tree fragment
after it is passed as an argument to exsl:node-set.
"""
obj = arg0.evaluate(context)
if not isinstance(obj, datatypes.nodeset):
if not isinstance(obj, tree.entity):
obj = (tree.text(datatypes.string(obj)),)
obj = datatypes.nodeset([obj])
return obj
def _map(context, nodeset, expr):
focus = context.node, context.position, context.size
context.size = len(nodeset)
position = 1
inputs = iter(nodeset)
return_type = None
result = set()
for node in inputs:
context.node = node
context.position = position
position += 1
try:
obj = expr.evaluate(context)
except:
lines = traceback.format_exception(*sys.exc_info())
lines[:1] = [("Runtime error in XPath expression '%(expr)s', "
"lower-level traceback:\n") % {'expr': string}]
context.processor.warning(''.join(lines))
else:
if not return_type:
if isinstance(obj, datatypes.nodeset):
tag_name = None
elif isinstance(obj, datatypes.number):
tag_name = 'exsl:number'
converter = datatypes.string
elif isinstance(obj, datatypes.boolean):
tag_name = 'exsl:boolean'
converter = lambda obj: u'true' if obj else u''
else:
tag_name = 'exsl:string'
converter = datatypes.string
return_type = True
if tag_name:
E = tree.element(EXSL_COMMON_NS, tag_name)
E.xml_append(tree.text(converter(obj)))
result.add(E)
else:
result.update(obj)
context.node, context.position, context.size = focus
return datatypes.nodeset(result)
def process_pre_poem(node):
'''
>>> X = ['<div>', '<pre>The red cap chiefs stack up their wealth,', 'Shards of what once was bred in bone.', '', 'Church tales of wandering accursed—', 'It\'s forty years full fifty times;', '</pre>', '</div>']
>>> X = '\n'.join(X)
>>> doc = parse(X)
>>> process_pre_poem(doc.xml_first_child)
>>> doc.xml_write()
<?xml version="1.0" encoding="UTF-8"?>
<div>
<p>The red cap chiefs stack up their wealth,<br/>Shards of what once was bred in bone.<br/></p><p>Church tales of wandering accursed—<br/>It's forty years full fifty times;<br/><br/></p>
</div>
'''
for pre in node.xml_select(u'.//pre'):
ptext = U(pre)
if pre.xml_first_child:
pre.xml_remove(pre.xml_first_child)
for stanza in ptext.split(u'\n\n'):
p = element(None, u'p')
pre.xml_append(p)
for line in stanza.split(u'\n'):
p.xml_append(text(line))
p.xml_append(element(None, u'br'))
unwrap(pre)
return
def attachment_drawing(self, url, text, **kw):
self._elem(u"attachmentimage", on)
self._curr.xml_attributes[None, u"href"] = U(url)
self._curr.xml_append(tree.text(U(text)))
self._elem(u"attachmentimage", off)
return ""
def text(self, text, **kw):
self._curr.xml_append(tree.text(text))
return ''
def rule(self, size=0, **kw):
e = tree.element(None, u'br') # <hr/> not supported in stylebook
e.xml_append(tree.text((u"-" * 78)))
self._curr.xml_append(e)
return ''
def attachment_drawing(self, url, text, **kw):
self._elem(u'attachmentimage', on)
self._curr.xml_attributes[None, u'href'] = U(url)
self._curr.xml_append(tree.text(U(text)))
self._elem(u'attachmentimage', off)
return ''
def smiley(self, text):
self._curr.xml_append(tree.text(U(text)))
return ''
FALSE,
# number literals (for special values)
NOT_A_NUMBER,
POSITIVE_INFINITY,
NEGATIVE_INFINITY,
# nodeset literals
nodeset_literal,
EMPTY_NODESET,
)
from amara.xpath import context
from test_expressions import DOC
default_context = context(DOC, 1, 1)
EGG1 = tree.element(None, 'egg1')
EGG1.xml_append(tree.text('egg1'))
EGG2 = tree.element(None, 'egg2')
EGG2.xml_append(tree.text('egg2'))
NUM = tree.element(None, 'num')
NUM0 = tree.attribute(None, 'num0', '0')
NUM.xml_attributes.setnode(NUM0)
NUM2 = tree.attribute(None, 'num2', '2')
NUM.xml_attributes.setnode(NUM0)
NUM4 = tree.attribute(None, 'num4', '4')
NUM.xml_attributes.setnode(NUM0)
NUM31 = tree.attribute(None, 'num31', '31')
NUM.xml_attributes.setnode(NUM0)
def test_or_expr():
NOT_A_NUMBER,
POSITIVE_INFINITY,
NEGATIVE_INFINITY,
# nodeset literals
nodeset_literal,
EMPTY_NODESET,
)
from amara.xpath import context
from test_expressions import DOC
default_context = context(DOC, 1, 1)
EGG1 = tree.element(None, "egg1")
EGG1.xml_append(tree.text("egg1"))
EGG2 = tree.element(None, "egg2")
EGG2.xml_append(tree.text("egg2"))
NUM = tree.element(None, "num")
NUM0 = tree.attribute(None, "num0", "0")
NUM.xml_attributes.setnode(NUM0)
NUM2 = tree.attribute(None, "num2", "2")
NUM.xml_attributes.setnode(NUM0)
NUM4 = tree.attribute(None, "num4", "4")
NUM.xml_attributes.setnode(NUM0)
NUM31 = tree.attribute(None, "num31", "31")
NUM.xml_attributes.setnode(NUM0)
def test_or_expr():
def text(self, text, **kw):
self._curr.xml_append(tree.text(text))
return ""
def rule(self, size=0, **kw):
e = tree.element(None, u"br") # <hr/> not supported in stylebook
e.xml_append(tree.text((u"-" * 78)))
self._curr.xml_append(e)
return ""
CHILD1,
CHILD2,
CHILD3,
LCHILD1,
LCHILD2)
# contexts for nodeset {CHILD1, CHILD2, CHILD3}
CONTEXT1 = context(CHILD1, 1, 3)
CONTEXT2 = context(CHILD2, 2, 3)
# contexts for nodeset {LCHILD1, LCHILD2, NONASCIIQNAME}
CONTEXTLANG1 = context(LCHILD1, 1, 3)
CONTEXTLANG2 = context(LCHILD2, 2, 3)
DOC = tree.entity()
EGG1 = DOC.xml_append(tree.element(None, 'egg0'))
EGG1.xml_append(tree.text('0'))
EGG2 = DOC.xml_append(tree.element(None, 'egg1'))
EGG2.xml_append(tree.text('1'))
EGG3 = DOC.xml_append(tree.element(None, 'egg0'))
EGG3.xml_append(tree.text('0'))
EGG4 = DOC.xml_append(tree.element(None, 'egg1'))
EGG4.xml_append(tree.text('1'))
EGG5 = DOC.xml_append(tree.element(None, 'egg0'))
EGG5.xml_append(tree.text('0'))
from amara.xpath.expressions.functioncalls import function_call
def test_last_function():
for context in (CONTEXT1, CONTEXT2):
result = function_call('last', ()).evaluate_as_number(context)
# <x>
# <y>a</y>
# </x>
# </element>
# <element>
# <x>
# <y>z</y>
# </x>
# </element>
# </elements>
ELEMENTS = tree.entity().xml_append(tree.element(None, 'elements'))
for cdata in ('a', 'z'):
node = ELEMENTS.xml_append(tree.element(None, 'element'))
node = node.xml_append(tree.element(None, 'x'))
node = node.xml_append(tree.element(None, 'y'))
node.xml_append(tree.text(cdata))
del node, cdata
CONTEXT_ELEMENT = context(ELEMENTS, 1, 1)
ELEMENT1, ELEMENT2 = ELEMENTS
from amara.xpath.parser import parse
def _run_parser_pass(test_cases):
for args, expected, ctx in test_cases:
result = parse(*args).evaluate(ctx)
if hasattr(expected, "isnan") and expected.isnan():
assert result.isnan()
continue
if isinstance(expected, list):
# convert nodesets to lists to prevent XPath-style nodeset compares
def code_line(self, on):
if on:
self.cur.xml_append(tree.text(u"\n"))
return ""
</catalog>'''
EXTRACT_AUTHORS_PAT = r'(\s*By\s*)|(\s*,\s*)|(\s*and\s*)'
EXTRACT_AUTHORS_PAT_GROUPS = 4
doc = amara.parse(SOURCE)
for author_node in doc.xml_select(u'/catalog/book/authors'):
authors = re.split(EXTRACT_AUTHORS_PAT, U(author_node))
for n in author_node.xml_children: author_node.xml_remove(n)
#Collect the regex match into the regex-defined groups
for i, subenum in groupby(enumerate(authors), lambda i: i[0]//EXTRACT_AUTHORS_PAT_GROUPS):
matchgroup = [ group for i, group in subenum ]
if matchgroup[0]:
link = element(None, u'a')
link.xml_attributes[None, u'href'] = 'http://example.org'
link.xml_append(text(matchgroup[0]))
author_node.xml_append(link)
for match in matchgroup[1:]:
if match:
author_node.xml_append(text(match))
doc.xml_write()
print
#The following variation contributed by Luis Miguel Morillas:
SOURCE = '''<catalog>
<book>
<title>Spam for Supper</title>
By A.X. Ham and Franco Bacon
<info> Other info</info>
def code_line(self, on):
if on:
self.cur.xml_append(tree.text(u'\n'))
return ''
# number literals (for special values)
NOT_A_NUMBER, POSITIVE_INFINITY, NEGATIVE_INFINITY,
# nodeset literals
nodeset_literal, ROOT, CHILD1, CHILD2, CHILD3, LCHILD1, LCHILD2
)
# contexts for nodeset {CHILD1, CHILD2, CHILD3}
CONTEXT1 = context(CHILD1, 1, 3)
CONTEXT2 = context(CHILD2, 2, 3)
# contexts for nodeset {LCHILD1, LCHILD2, NONASCIIQNAME}
CONTEXTLANG1 = context(LCHILD1, 1, 3)
CONTEXTLANG2 = context(LCHILD2, 2, 3)
DOC = tree.entity()
EGG1 = DOC.xml_append(tree.element(None, 'egg0'))
EGG1.xml_append(tree.text('0'))
EGG2 = DOC.xml_append(tree.element(None, 'egg1'))
EGG2.xml_append(tree.text('1'))
EGG3 = DOC.xml_append(tree.element(None, 'egg0'))
EGG3.xml_append(tree.text('0'))
EGG4 = DOC.xml_append(tree.element(None, 'egg1'))
EGG4.xml_append(tree.text('1'))
EGG5 = DOC.xml_append(tree.element(None, 'egg0'))
EGG5.xml_append(tree.text('0'))
from amara.xpath.expressions.functioncalls import function_call
def test_last_function():
for context in (CONTEXT1, CONTEXT2):
result = function_call('last', ()).evaluate_as_number(context)
def smiley(self, text):
self._curr.xml_append(tree.text(U(text)))
return ""