| |
|
| TODO |
TODO |
| |
|
| - implement interaction wrapper for "/skin", "/request", etc. data paths |
- Address traversal nesting for referenced data |
| |
|
| |
- Dynamic attributes, independent of element? |
| |
|
| |
- Phase out old PWT syntax |
| |
|
| - implement sub-template support (convert doc->DOMlet in another doc) |
- implement sub-template support (convert doc->DOMlet in another doc) |
| |
|
| from interfaces import * |
from interfaces import * |
| from xml.sax.saxutils import quoteattr, escape |
from xml.sax.saxutils import quoteattr, escape |
| from publish import TraversalPath |
from publish import TraversalPath |
| |
from peak.util import SOX, imports |
| |
from places import Decorator |
| |
from environ import traverseItem, traverseDefault |
| |
from errors import NotFound |
| |
|
| __all__ = [ |
__all__ = [ |
| 'TEMPLATE_NS', 'DOMLETS_PROPERTY', 'DOMletParser', 'TemplateDocument' |
'TEMPLATE_NS', 'DOMLETS_PROPERTY', 'TemplateDocument' |
| ] |
] |
| |
|
| TEMPLATE_NS = 'http://peak.telecommunity.com/DOMlets/' |
TEMPLATE_NS = 'http://peak.telecommunity.com/DOMlets/' |
| |
|
| unicodeJoin = u''.join |
unicodeJoin = u''.join |
| |
|
| |
|
| def infiniter(sequence): |
def infiniter(sequence): |
| while 1: |
while 1: |
| for item in sequence: |
for item in sequence: |
| yield item |
yield item |
| |
|
| |
|
| |
class DOMletVars(Decorator): |
| |
|
| |
state = None |
| |
|
| |
def traverseTo(self, name, ctx, default=NOT_GIVEN): |
| |
loc = traverseItem(ctx, self.state, 'item', name, name, NOT_FOUND) |
| |
if loc is not NOT_FOUND: |
| |
return loc |
| |
|
| class DOMletState(binding.Component): |
# attribute is absent or private, fall through to underlying object |
| |
return traverseDefault(ctx, self.ob, 'attr', name, name, default) |
| |
|
| """Execution state for a DOMlet""" |
|
| |
class DOMletMethod(object): |
| |
"""Bind an 'IDOMletRenderable' to a specific context""" |
| |
|
| protocols.advise( |
protocols.advise( |
| instancesProvide = [IDOMletState], |
instancesProvide = [IDOMletRenderable] |
| ) |
) |
| |
|
| write = binding.requireBinding("Unicode output stream write() method") |
__slots__ = 'template','ctx' |
| |
|
| |
|
| def findState(self, iface): |
|
| |
|
| """Find nearest DOMletState implementing 'iface'""" |
|
| |
|
| for c in config.iterParents(self): |
|
| state = adapt(c,iface,None) |
|
| if state is not None: |
|
| return state |
|
| |
|
| |
|
| |
|
| |
|
| |
def __init__(self,ctx,template): |
| |
self.ctx = ctx |
| |
self.template = template |
| |
|
| |
def renderFor(self,ctx,state): |
| |
return self.template.renderFor(self.ctx,state) |
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
class Parameters: |
| |
"""'params' object for templates""" |
| |
|
| |
protocols.advise( instancesProvide = [IWebTraversable] ) |
| |
|
| |
def __init__(self,ctx,data): |
| |
self.ctx = ctx |
| |
self.data = data |
| |
self.cache = {} |
| |
|
| |
def traverseTo(self, name, ctx, default=NOT_GIVEN): |
| |
try: |
| |
item = self.cache[name] |
| |
except KeyError: |
| |
try: |
| |
item = self.data[name] |
| |
except KeyError: |
| |
if default is not NOT_GIVEN: |
| |
return default |
| |
raise NotFound(ctx,name,self) |
| |
else: |
| |
tmpl = IDOMletRenderable(item,None) |
| |
if tmpl is not None: |
| |
item = self.cache[name] = DOMletMethod(self.ctx,tmpl) |
| |
else: |
| |
path = adapt(item,TraversalPath,None) |
| |
if path is not None: |
| |
self.data[name] = path |
| |
return path.traverse(self.ctx) |
| |
return ctx.childContext(name,item) |
| |
|
| |
|
| |
def beforeHTTP(self, ctx): |
| |
return ctx |
| |
|
| |
def getURL(self,ctx): |
| |
return ctx.traversedURL |
| |
|
| |
|
| |
|
| |
|
| class DOMletAsWebPage(binding.Component): |
class DOMletState(binding.Component): |
| |
|
| """Render a template component""" |
"""Execution state for a DOMlet""" |
| |
|
| protocols.advise( |
protocols.advise( |
| instancesProvide = [IWebPage], |
instancesProvide = [IDOMletState], |
| asAdapterForProtocols = [IDOMletNode], |
|
| factoryMethod = 'fromNode' |
|
| ) |
|
| |
|
| templateNode = binding.requireBinding("""Node to render""") |
|
| |
|
| def fromNode(klass, subject, protocol): |
|
| return klass(templateNode = subject) |
|
| |
|
| fromNode = classmethod(fromNode) |
|
| |
|
| def render(self, context): |
|
| myOwner = context.getParentComponent() |
|
| data = [] |
|
| self.templateNode.renderFor( |
|
| myOwner, |
|
| DOMletState( |
|
| myOwner, write=data.append |
|
| ) |
|
| ) |
) |
| return unicodeJoin(data) |
|
| |
|
| |
|
| |
|
| |
|
| |
write = binding.Require("Unicode output stream write() method") |
| |
|
| |
data = binding.Make(dict) |
| |
|
| |
def __getitem__(self,key): |
| |
return self.data[key] |
| |
|
| |
def withData(self,**kw): |
| |
data = self.data.copy() |
| |
data.update(kw) |
| |
return self.__class__(self,data=data,write=self.write) |
| |
|
| |
def wrapContext(self,ctx): |
| |
return DOMletVars(ob=ctx, state=self) |
| |
|
| |
def findState(self, iface): |
| |
|
| |
"""Find nearest DOMletState implementing 'iface'""" |
| |
|
| |
for c in binding.iterParents(self): # XXX not covered by tests! |
| |
state = adapt(c,iface,None) |
| |
if state is not None: |
| |
return state |
| |
|
| |
|
| |
|
| class DOMletParser(binding.Component): |
|
| |
|
| """Parser that assembles a Document""" |
|
| |
|
| def parser(self,d,a): |
|
| |
|
| from xml.parsers.expat import ParserCreate |
|
| p = ParserCreate() |
|
| |
|
| p.ordered_attributes = True |
|
| p.returns_unicode = True |
|
| p.specified_attributes = True |
|
| |
|
| p.StartDoctypeDeclHandler = self.startDoctype |
|
| p.StartElementHandler = self.startElement |
|
| p.EndElementHandler = self.endElement |
|
| p.CharacterDataHandler = self.characters |
|
| p.StartNamespaceDeclHandler = self.startNS |
|
| p.EndNamespaceDeclHandler = self.endNS |
|
| p.CommentHandler = self.comment |
|
| |
|
| # We don't use: |
|
| # .StartNamespaceDeclHandler |
|
| # .EndNamespaceDeclHandler |
|
| # .XmlDeclHandler(version, encoding, standalone) |
|
| # .ElementDeclHandler(name, model) |
|
| # .AttlistDeclHandler(elname, attname, type, default, required) |
|
| # .EndDoctypeDeclHandler() |
|
| # .ProcessingInstructionHandler(target, data) |
|
| # .UnparsedEntityDeclHandler(entityN,base,systemId,publicId,notationN) |
|
| # .EntityDeclHandler( |
|
| # entityName, is_parameter_entity, value, base, |
|
| # systemId, publicId, notationName) |
|
| # .NotationDeclHandler(notationName, base, systemId, publicId) |
|
| # .StartCdataSectionHandler() |
|
| # .EndCdataSectionHandler() |
|
| # .NotStandaloneHandler() |
|
| return p |
|
| |
|
| parser = binding.Once(parser) |
def startElement(parser,data): |
| |
|
| domlets = binding.New(list) # "nearest explicit DOMlet" stack |
parent = data['previous']['pwt.content'] |
| stack = binding.New(list) # "DOMlet being assembled" stack |
factory = data.get('this.factory', parent.tagFactory) |
| nsUri = binding.New(dict) # URI stack for each NS prefix |
|
| |
|
| myNs = binding.Once( # prefixes that currently map to TEMPLATE_NS |
data['pwt.content'] = outer = factory(parent, |
| lambda self,d,a: dict( |
tagName=data['name'], |
| [(p,1) for (p,u) in self.nsUri.items() if u and u[-1]==TEMPLATE_NS] |
attribItems=data['attributes'], |
| ) |
domletProperty = data.get('this.domlet'), |
| |
dataSpec = data.get('this.data',''), |
| |
paramName = data.get('this.is'), |
| |
) |
| |
|
| |
inner = data.get('content.factory') or ('content.register' in data and parent.tagFactory) |
| |
if inner: |
| |
data['pwt.this'] = outer |
| |
data['pwt.content'] = inner(outer, |
| |
tagName='', |
| |
attribItems=[], |
| |
domletProperty = data.get('content.domlet'), |
| |
dataSpec=data.get('content.data',''), |
| |
paramName = data.get('content.is'), |
| ) |
) |
| |
|
| |
|
| def parseFile(self, stream, document=None): |
def finishElement(parser,data): |
| if document is None: |
content = data['pwt.content'] |
| document = TemplateDocument(self.getParentComponent()) |
for f in data.get('content.register',()): |
| self.stack.append(document) |
f(content) |
| self.domlets.append(document) |
if 'pwt.this' in data: |
| self.parser.ParseFile(stream) |
this = data['pwt.this'] |
| |
this.addChild(content) |
| |
|
| def comment(self,data): |
|
| self.buildLiteral(u'<!--%s-->' % data) |
|
| |
|
| |
|
| def startNS(self, prefix, uri): |
|
| self.nsUri.setdefault(prefix,[]).append(uri) |
|
| if uri==TEMPLATE_NS: |
|
| self._delBinding('myNs') |
|
| |
|
| |
|
| def endNS(self, prefix): |
|
| uri = self.nsUri[prefix].pop() |
|
| if uri==TEMPLATE_NS: |
|
| self._delBinding('myNs') |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| nsStack = binding.New(list) |
|
| |
|
| def pushNSinfo(self,attrs): |
|
| |
|
| prefixes = [] |
|
| |
|
| for i in range(0,len(attrs),2): |
|
| |
|
| k,v = attrs[i], attrs[i+1] |
|
| |
|
| if not k.startswith('xmlns'): |
|
| continue |
|
| |
|
| rest = k[5:] |
|
| if not rest: |
|
| ns = '' |
|
| elif rest.startswith(':'): |
|
| ns = rest[1:] |
|
| else: |
else: |
| continue |
this = content |
| |
for f in data.get('this.register',()): |
| self.startNS(ns,v) |
f(this) |
| prefixes.append(ns) |
if 'previous' in data: |
| |
data['previous']['pwt.content'].addChild(this) |
| self.nsStack.append(prefixes) |
return this |
| |
|
| |
|
| def popNSinfo(self): |
|
| map(self.endNS, self.nsStack.pop()) |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
def negotiateDomlet(parser, data, name, value): |
| |
data['attributes'].remove((name,value)) |
| |
if ':' in value: |
| |
data['this.domlet'],data['this.data'] = value.split(':',1) |
| |
domlet = data['this.domlet'] |
| |
|
| def startElement(self, name, attrs): |
|
| |
|
| self.pushNSinfo(attrs) |
|
| |
|
| a = [] |
|
| append = a.append |
|
| myNs = self.myNs or ('',) # use unprefixed NS if no NS defined |
|
| |
|
| top = self.stack[-1] |
|
| factory = top.tagFactory |
|
| domletName = dataSpec = paramName = None |
|
| |
|
| for i in range(0,len(attrs),2): |
|
| |
|
| k,v = attrs[i], attrs[i+1] |
|
| |
|
| if ':' in k: |
|
| ns, n = k.split(':',1) |
|
| else: |
else: |
| ns, n = '', k |
data['this.domlet'] = domlet = value |
| |
|
| if n=='domlet' and ns in myNs: |
factory = DOMLETS_PROPERTY.of(data['previous']['pwt.content'])[domlet] |
| # XXX if domletName is not None or dataSpec is not None: |
if data.setdefault('this.factory',factory) is not factory: |
| # XXX raise ??? |
parser.err('More than one "domlet" or "this:" replacement defined') |
| if ':' in v: |
|
| domletName, dataSpec = v.split(':',1) |
|
| else: |
|
| domletName, dataSpec = v, '' |
|
| |
|
| if domletName: |
|
| factory = DOMLETS_PROPERTY.of(top)[domletName] |
|
| factory = adapt(factory, IDOMletElementFactory) |
|
| |
|
| elif n=='define' and ns in myNs: |
def negotiateDefine(parser, data, name, value): |
| # XXX if paramName is not None: |
data['attributes'].remove((name,value)) |
| # XXX raise ??? |
data['this.is'] = value |
| paramName = v |
parent = data['previous']['pwt.content'] |
| else: |
data.setdefault('this.register',[]).append( |
| append((k,v)) |
lambda ob: parent.addParameter(value,ob) |
| |
|
| |
|
| element = factory(top, tagName=name, attribItems=a, |
|
| domletProperty = domletName or None, |
|
| dataSpec = dataSpec or '', |
|
| paramName = paramName or None, |
|
| # XXX nonEmpty=False |
|
| ) |
) |
| |
|
| if paramName: |
|
| self.domlets[-1].addParameter(paramName,element) |
|
| |
|
| if domletName: |
|
| # New explicit DOMlet, put it on the explicit DOMlet stack |
|
| self.domlets.append(element) |
|
| else: |
|
| # Push the previous "nearest enclosing explicit DOMlet" |
|
| self.domlets.append(self.domlets[-1]) |
|
| |
|
| self.stack.append(element) |
|
| |
|
| |
|
| def endElement(self, name): |
|
| self.domlets.pop() |
|
| last = self.stack.pop() |
|
| self.stack[-1].addChild(last) |
|
| self.popNSinfo() |
|
| |
|
| |
|
| def buildLiteral(self,xml): |
|
| top = self.stack[-1] |
|
| literal = top.literalFactory(top, xml=xml) |
|
| top.addChild(literal) |
|
| |
|
| |
|
| def characters(self, data): |
|
| top = self.stack[-1] |
|
| text = top.textFactory(top, xml=escape(data)) |
|
| top.addChild(text) |
|
| |
|
| |
|
| |
|
| |
|
| def startDoctype(self, doctypeName, systemId, publicId, has_internal): |
|
| |
|
| if publicId: |
|
| p = ' PUBLIC %s %s' % (quoteattr(publicId),quoteattr(systemId)) |
|
| elif systemId: |
|
| p = ' SYSTEM %s' % quoteattr(systemId) |
|
| else: |
|
| p = '' |
|
| |
|
| # we ignore internal DTD subsets; they're not useful for HTML |
|
| xml = u'<!DOCTYPE %s%s>\n' % (doctypeName, p) |
|
| |
|
| self.buildLiteral(xml) |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
def negotiatorFactory(domletFactory): |
| |
def negotiate(mode, parser, data, name, value): |
| |
data['attributes'].remove((name,value)) |
| |
factory = data.setdefault(mode+'.factory',domletFactory) |
| |
if factory is not domletFactory: |
| |
parser.err('More than one "domlet" or "this:" replacement defined') |
| |
data[mode+'.data'] = value |
| |
data[mode+'.domlet'] = parser.splitName(name)[1] |
| |
return negotiate |
| |
|
| |
def nodeIs(mode, parser, data, name, value): |
| |
data['attributes'].remove((name,value)) |
| |
data[mode+'.is'] = value |
| |
data.setdefault(mode+'.register',[]).append( |
| |
lambda ob: binding.getParentComponent(ob).addParameter(value,ob) |
| |
) |
| |
|
| |
|
| |
|
| |
def setupElement(parser,data): |
| |
|
| |
d = dict(data.get('attributes',())) |
| |
|
| |
if 'domlet' in d: |
| |
negotiateDomlet(parser,data,'domlet',d['domlet']) |
| |
|
| |
if 'define' in d: |
| |
negotiateDefine(parser,data,'define',d['define']) |
| |
|
| |
def text(xml): |
| |
top = data['pwt.content'] |
| |
top.addChild(top.textFactory(top,xml=escape(xml))) |
| |
|
| |
def literal(xml): |
| |
top = data['pwt.content'] |
| |
top.addChild(top.literalFactory(top,xml=xml)) |
| |
|
| |
data['start'] = startElement |
| |
data['finish'] = finishElement |
| |
data['text'] = text |
| |
data['literal'] = literal |
| |
|
| |
|
| |
def setupDocument(parser,data): |
| |
setupElement(parser,data) |
| |
data['pwt.content'] = data['pwt_document'] |
| |
|
| |
|
| |
def withParam(parser,data,name,value): |
| |
data['attributes'].remove((name,value)) |
| |
data.setdefault('content.register',[]).append( |
| |
lambda ob: ob.addParameter(name.split(':',1)[-1],value) |
| |
) |
| |
|
| |
|
| |
|
| |
|
| xml = u'' |
xml = u'' |
| |
|
| staticText = binding.bindTo('xml') |
staticText = binding.Obtain('xml') |
| |
|
| def renderFor(self, data, state): |
def renderFor(self, data, state): |
| state.write(self.xml) |
state.write(self.xml) |
| instancesProvide = [IDOMletElement], |
instancesProvide = [IDOMletElement], |
| ) |
) |
| |
|
| children = binding.New(list) |
children = binding.Make(list) |
| params = binding.New(dict) |
params = binding.Make(dict) |
| |
|
| tagName = binding.requireBinding("Tag name of element") |
tagName = binding.Require("Tag name of element") |
| attribItems = binding.requireBinding("Attribute name,value pairs") |
attribItems = binding.Require("Attribute name,value pairs") |
| nonEmpty = False |
nonEmpty = False |
| domletProperty = None |
domletProperty = None |
| dataSpec = binding.Constant('', adaptTo=TraversalPath) |
dataSpec = binding.Make(lambda: '', adaptTo=TraversalPath) |
| paramName = None |
paramName = None |
| |
acceptParams = () |
| |
multiParams = () |
| |
|
| # IDOMletNode |
# IDOMletNode |
| |
|
| def staticText(self, d, a): |
def staticText(self): |
| |
|
| """Note: replace w/staticText = None in dynamic element subclasses""" |
"""Note: replace w/staticText = None in dynamic element subclasses""" |
| |
|
| else: |
else: |
| return self._emptyTag |
return self._emptyTag |
| |
|
| staticText = binding.Once(staticText, suggestParent=False) |
staticText = binding.Make(staticText, suggestParent=False) |
| |
|
| |
|
| |
|
| |
|
| |
def optimizedChildren(self): |
| def optimizedChildren(self, d, a): |
|
| |
|
| """Child nodes with as many separate text nodes combined as possible""" |
"""Child nodes with as many separate text nodes combined as possible""" |
| |
|
| flush() |
flush() |
| return all |
return all |
| |
|
| optimizedChildren = binding.Once(optimizedChildren) |
optimizedChildren = binding.Make(optimizedChildren) |
| |
|
| |
|
| def _traverse(self, data, state): |
def _traverse(self, data, state): |
| |
return self.dataSpec.traverse(data,state.wrapContext), state |
| |
|
| |
|
| |
|
| return self.dataSpec.traverse( |
|
| data, lambda ctx: self._wrapInteraction(ctx) |
|
| ), state |
|
| |
|
| |
|
| |
|
| self.children.append(node) |
self.children.append(node) |
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| def addParameter(self, name, element): |
def addParameter(self, name, element): |
| """Declare 'element' as part of parameter 'name'""" |
"""Declare 'element' as part of parameter 'name'""" |
| |
|
| self.params.setdefault(name,[]).append(element) |
if not self.acceptParams: |
| |
return self.getParentComponent().addParameter(name,element) |
| |
|
| |
if name not in self.acceptParams and '*' not in self.acceptParams: |
| |
# XXX need line info |
| |
raise SyntaxError("Unrecognized parameter: %r" % name) |
| |
|
| |
is_multi = ( |
| |
name in self.multiParams or |
| |
name not in self.acceptParams and '*' in self.multiParams |
| |
) |
| |
|
| |
if name in self.params: |
| |
|
| |
if not is_multi: |
| |
raise SyntaxError( |
| |
"Multiple definitions for parameter: %r" % name |
| |
) # XXX need line info |
| |
|
| |
self.params[name].append(element) |
| |
|
| |
elif is_multi: |
| |
self.params[name] = [element] |
| |
|
| |
else: |
| |
self.params[name] = element |
| |
|
| |
|
| # Override in subclasses |
|
| |
|
| def _wrapInteraction(self,interaction): |
|
| # XXX This should wrap the interaction in an IWebTraversable simulator, |
|
| # XXX which should include access to this element's parameters as well |
|
| # XXX as interaction variables. |
|
| raise NotImplementedError |
|
| |
|
| |
|
| _emptyTag = binding.Once( |
|
| lambda self,d,a: self._openTag[:-1]+u' />' |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
# Override in subclasses |
| |
|
| |
_emptyTag = binding.Make( |
| |
lambda self: self.tagName and self._openTag[:-1]+u' />' or '' |
| ) |
) |
| |
|
| _closeTag = binding.Once( |
_closeTag = binding.Make( |
| lambda self,d,a: u'</%s>' % self.tagName |
lambda self: self.tagName and u'</%s>' % self.tagName or '' |
| ) |
) |
| |
|
| _openTag = binding.Once( |
_openTag = binding.Make( |
| lambda self,d,a: u'<%s%s>' % ( self.tagName, |
lambda self: self.tagName and u'<%s%s>' % ( self.tagName, |
| unicodeJoin([ |
unicodeJoin([ |
| u' %s=%s' % (k,quoteattr(v)) for (k,v) in self.attribItems |
u' %s=%s' % (k,quoteattr(v)) for (k,v) in self.attribItems |
| ]) |
]) |
| |
) or '' |
| ) |
) |
| ) |
|
| |
|
| tagFactory = None # real value is set below |
tagFactory = None # real value is set below |
| textFactory = Literal |
textFactory = Literal |
| |
|
| |
|
| |
|
| class TemplateDocument(Element): |
|
| |
|
| """Document-level template element""" |
|
| |
|
| |
|
| |
|
| |
|
| |
class TaglessElement(Element): |
| |
|
| |
"""Element w/out tags""" |
| |
|
| _openTag = _closeTag = _emptyTag = '' |
_openTag = _closeTag = _emptyTag = '' |
| |
|
| parserClass = DOMletParser |
|
| |
|
| def parseFile(self, stream): |
class Uses(Element): |
| parser = self.parserClass(self) |
|
| parser.parseFile(stream,self) |
|
| |
|
| |
"""Render child elements with target data, or skip element altogether""" |
| |
|
| |
staticText = None |
| |
render_if = True |
| |
|
| |
def renderFor(self, data, state): |
| |
try: |
| |
if self.dataSpec: |
| |
data, state = self._traverse(data, state) |
| |
except (web.NotFound,web.NotAllowed): |
| |
if self.render_if: |
| |
return |
| |
else: |
| |
if not self.render_if: |
| |
return |
| |
|
| |
state.write(self._openTag) |
| |
|
| |
for child in self.optimizedChildren: |
| |
child.renderFor(data,state) |
| |
|
| |
state.write(self._closeTag) |
| |
|
| |
|
| |
class Unless(Uses): |
| |
|
| |
"""Skip child elements if target data is available""" |
| |
|
| |
render_if = False |
| |
|
| |
|
| |
|
| |
class TemplateDocument(TaglessElement): |
| |
|
| |
"""Document-level template element""" |
| |
|
| |
protocols.advise( |
| |
instancesProvide = [IHTTPHandler], |
| |
classProvides = [naming.IObjectFactory], |
| |
) |
| |
|
| |
acceptParams = '*', # handle any top-level parameters |
| |
|
| |
def renderFor(self, ctx, state): |
| |
if not self.fragment: |
| |
raise TypeError("Can't be used as a fragment") |
| |
return self.fragment.renderFor(ctx.parentContext(),state) |
| |
|
| |
def handle_http(self, ctx): |
| |
name = ctx.shift() |
| |
if name is not None: |
| |
raise web.NotFound(ctx,name,self) # No traversal to subobjects! |
| |
if not self.page: |
| |
raise web.UnsupportedMethod(ctx) # We're not a page! |
| |
data = [] |
| |
self.page.renderFor( |
| |
ctx.parentContext(), DOMletState(self, write=data.append) |
| |
) |
| |
h = [] |
| |
if self.content_type: |
| |
h.append(('Content-type',self.content_type)) |
| |
return '200 OK', h, [str(unicodeJoin(data))] # XXX encoding |
| |
|
| |
|
| |
def getObjectInstance(klass, context, refInfo, name, attrs=None): |
| |
url, = refInfo.addresses |
| |
return config.processXML( |
| |
web.TEMPLATE_SCHEMA(context),str(url),pwt_document=klass(context), |
| |
) |
| |
|
| |
getObjectInstance = classmethod(getObjectInstance) |
| |
|
| |
|
| |
content_type = binding.Make(lambda self: |
| |
str(self.params.get('content-type')) |
| |
) |
| |
|
| |
def layoutDOMlet(self,d,attrName): |
| |
|
| |
if attrName+'-layout' in self.params: |
| |
path = self.params[attrName+'-layout'] + '' # ensure stringness |
| |
if path=='/nothing': |
| |
return None |
| |
elif path=='/default': |
| |
return super(TemplateDocument,self) |
| |
else: |
| |
return Replace(self, dataSpec=path, params=self.params.copy()) |
| |
|
| |
if attrName in self.params: |
| |
return IDOMletRenderable(self.params[attrName]) |
| |
|
| |
if attrName=='fragment': |
| |
# It's okay to be a fragment by default |
| |
return super(TemplateDocument,self) |
| |
|
| |
fragment = page = binding.Make(layoutDOMlet) |
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
class Replace(Element): |
| |
|
| |
staticText = None |
| |
acceptParams = '*', |
| |
escaped = True |
| |
|
| |
def renderFor(self,data,state): |
| |
|
| |
if self.dataSpec: |
| |
ctx, state = self._traverse(data, state) |
| |
|
| |
if self.params: |
| |
state = state.withData(params=Parameters(data,self.params)) |
| |
|
| |
current = ctx.current |
| |
|
| |
domlet = IDOMletRenderable(current,None) |
| |
if domlet is not None: |
| |
return domlet.renderFor(ctx,state) |
| |
|
| |
# XXX dyn var comp goes here |
| |
# XXX if NOT_FOUND -> return |
| |
# XXX if NOT_GIVEN -> render original content |
| |
|
| |
current = unicode(current) |
| |
if self.escaped: |
| |
current = escape(current) |
| |
|
| |
state.write(current) |
| |
|
| |
|
| |
class ReplaceXML(Replace): |
| |
escaped = False |
| |
|
| |
|
| |
|
| """Abstract base for elements that replace their contents""" |
"""Abstract base for elements that replace their contents""" |
| |
|
| staticText = None |
staticText = None |
| children = optimizedChildren = binding.bindTo('contents') |
children = optimizedChildren = binding.Obtain('contents') |
| contents = binding.requireBinding("nodes to render in element body") |
contents = binding.Require("nodes to render in element body") |
| |
|
| def addChild(self, node): |
def addChild(self, node): |
| pass # ignore children, only parameters count with us |
pass # ignore children, only parameters count with us |
| |
|
| class Text(ContentReplacer): |
class Text(ContentReplacer): |
| |
|
| """Replace element contents w/data""" |
"""Replace element contents w/data (XML-quoted)""" |
| |
|
| def renderFor(self, data, state): |
def renderFor(self, data, state): |
| |
|
| if self.dataSpec: |
if self.dataSpec: |
| data, state = self._traverse(data, state) |
data, state = self._traverse(data, state) |
| |
|
| write = state.write |
write = state.write |
| |
write(self._openTag) |
| |
write(escape(unicode(data.current))) |
| |
write(self._closeTag) |
| |
|
| |
|
| |
class XML(ContentReplacer): |
| |
|
| |
"""Replace element contents w/data (XML structure)""" |
| |
|
| |
def renderFor(self, data, state): |
| |
if self.dataSpec: |
| |
data, state = self._traverse(data, state) |
| |
|
| |
write = state.write |
| write(self._openTag) |
write(self._openTag) |
| write(unicode(data.subject)) |
write(unicode(data.current)) |
| write(self._closeTag) |
write(self._closeTag) |
| |
|
| |
|
| |
|
| |
class TaglessText(Text): |
| |
|
| |
"""Text w/out open/close tag""" |
| |
|
| |
_openTag = _closeTag = _emptyTag = '' |
| |
|
| |
|
| |
class TaglessXML(XML): |
| |
|
| |
"""XML w/out open/close tag""" |
| |
|
| |
_openTag = _closeTag = _emptyTag = '' |
| |
|
| |
|
| |
class Expects(Element): |
| |
|
| |
"""Render child elements with target data, or skip element altogether""" |
| |
|
| |
staticText = None |
| |
|
| |
dataSpec = '' # to disable conversion to path |
| |
|
| |
protocol = binding.Make( |
| |
lambda self: imports.importString(self.dataSpec),uponAssembly=True |
| |
) |
| |
|
| |
def renderFor(self, data, state): |
| |
|
| |
data = data.clone(current=adapt(data.current,self.protocol)) |
| |
|
| |
state.write(self._openTag) |
| |
for child in self.optimizedChildren: |
| |
child.renderFor(data,state) |
| |
state.write(self._closeTag) |
| |
|
| |
|
| |
|
| if self.dataSpec: |
if self.dataSpec: |
| data, state = self._traverse(data, state) |
data, state = self._traverse(data, state) |
| |
|
| url = unicode(data.absoluteURL) |
url = unicode(data.url) |
| |
|
| if not self.optimizedChildren and not self.nonEmpty: |
if not self.optimizedChildren and not self.nonEmpty: |
| state.write(self._emptyTag % locals()) |
state.write(self._emptyTag % locals()) |
| write = state.write |
write = state.write |
| |
|
| write(self._openTag) |
write(self._openTag) |
| write(unicode(data.absoluteURL)) |
write(unicode(data.url)) |
| write(self._closeTag) |
write(self._closeTag) |
| |
|
| |
class TaglessURLText(URLText): |
| |
_openTag = _closeTag = _emptyTag = '' |
| |
|
| def URLTag(parentComponent, componentName=None, domletProperty=None, **kw): |
def URLTag(parentComponent, componentName=None, domletProperty=None, **kw): |
| |
|
| |
|
| class List(ContentReplacer): |
class List(ContentReplacer): |
| |
|
| |
acceptParams = 'listItem','header','emptyList','footer' |
| |
multiParams = 'listItem', |
| |
|
| def renderFor(self, data, state): |
def renderFor(self, data, state): |
| |
|
| if self.dataSpec: |
if self.dataSpec: |
| data, state = self._traverse(data, state) |
data, state = self._traverse(data, state) |
| |
|
| state.write(self._openTag) |
state.write(self._openTag) |
| |
|
| nextPattern = infiniter(self.params['listItem']).next |
nextPattern = infiniter(self.params['listItem']).next |
| allowed = data.interaction.allows |
allowed = data.allows |
| subcontext = data.subcontext |
|
| ct = 0 |
ct = 0 |
| |
|
| # XXX this should probably use an iteration location, or maybe |
# XXX this should probably use an iteration location, or maybe |
| # XXX put some properties in execution context for loop vars? |
# XXX put some properties in execution context for loop vars? |
| |
|
| for item in data.subject: |
for item in data.current: |
| |
|
| if not allowed(item): |
if not allowed(item): |
| continue |
continue |
| |
|
| loc = subcontext(str(ct), item) |
if not ct: |
| |
if 'header' in self.params: |
| |
self.params['header'].renderFor(data,state) |
| |
|
| |
loc = data.childContext(str(ct), item) |
| nextPattern().renderFor(loc, state) |
nextPattern().renderFor(loc, state) |
| ct += 1 |
ct += 1 |
| |
|
| if not ct: |
if not ct: |
| # Handle list being empty |
# Handle list being empty |
| for child in self.params.get('emptyList',()): |
if 'emptyList' in self.params: |
| child.renderFor(data, state) |
self.params['emptyList'].renderFor(data,state) |
| |
else: |
| |
if 'footer' in self.params: |
| |
self.params['footer'].renderFor(data,state) |
| |
|
| state.write(self._closeTag) |
state.write(self._closeTag) |
| |
|
| |
class TaglessList(List): |
| |
_openTag = _closeTag = _emptyTag = '' |
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
|
| |
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| |
|
| |
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| |
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| |
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| |
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| |
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| |
|
| |
|
| |
|
| |
|
| |
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| |
|
| |
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| |
|
| |
|
Diff of /PEAK/src/peak/web/templates.py
Parent Directory
| 
Revision Log