def process(self, context, boundTo, data, autoConfigure = True):
"""Knows how to process a dictionary of lists
where the dictionary may contain a key with the same
name as some of the arguments to the MethodBinding
instance.
"""
typedValue = self.original.typedValue
results = {}
failures = {}
if '----' in data:
## ---- is the "direct object", the one argument you can specify using the command line without saying what the argument name is
data[typedValue.arguments[0].name] = data['----']
del data['----']
for binding in typedValue.arguments:
name = binding.name
try:
context = WovenContext(context, faketag)
context.remember(binding, iformless.IBinding)
results[name] = iformless.IInputProcessor(binding.typedValue).process(context, boundTo, data.get(name, ['']))
except formless.InputError as e:
results[name] = data.get(name, [''])[0]
failures[name] = e.reason
if failures:
#print "There were validation errors. The errors were: ", failures
raise formless.ValidateError(failures, "Error:", results)
if autoConfigure:
def _except(e):
failures[''] = e.reason # self.original.name
raise formless.ValidateError(failures, e.reason, results)
return exceptblock(self.original.configure, _except, formless.InputError,
boundTo, results)
return results
def doRendering(self, fragmentClass):
"""
Verify that the given fragment class will render without raising an
exception.
"""
siteStore = Store()
loginSystem = LoginSystem(store=siteStore)
installOn(loginSystem, siteStore)
p = Product(store=siteStore, types=["xmantissa.webadmin.LocalUserBrowser",
"xmantissa.signup.SignupConfiguration"])
account = loginSystem.addAccount(u'testuser', u'localhost', None)
p.installProductOn(account.avatars.open())
f = fragmentClass(None, u'testuser', account)
p = LivePage(
docFactory=stan(
html[
head(render=directive('liveglue')),
body(render=lambda ctx, data: f)]))
f.setFragmentParent(p)
ctx = WovenContext()
req = FakeRequest()
ctx.remember(req, IRequest)
d = p.renderHTTP(ctx)
def rendered(ign):
p.action_close(None)
d.addCallback(rendered)
return d
def test_oldFlattenableOverriddenRend(self):
"""
Flattening L{Element} instances with an overridden C{rend} method
flattened with the old flatten function results in the flattened
version of whatever their C{rend} method returns.
"""
renders = []
class OldStyleElement(Element):
docFactory = stan("Hello, world")
def rend(self, ctx, data):
return invisible(render=directive("foo"))[Element.rend(self, ctx, data)]
def foo(self, request, tag):
renders.append((self, request))
return p[tag]
renderer(foo)
result = []
element = OldStyleElement()
request = FakeRequest()
context = WovenContext()
context.remember(request)
finished = oldFlatten(element, context, result.append, lambda ign: ign)
def cbFinished(ignored):
self.assertEqual("".join(result), "<p>Hello, world</p>")
self.assertEqual(renders, [(element, request)])
finished.addCallback(cbFinished)
return finished
def test_oldFlattenableOverriddenRend(self):
"""
Flattening L{Element} instances with an overridden C{rend} method
flattened with the old flatten function results in the flattened
version of whatever their C{rend} method returns.
"""
renders = []
class OldStyleElement(Element):
docFactory = stan("Hello, world")
def rend(self, ctx, data):
return invisible(render=directive("foo"))[Element.rend(
self, ctx, data)]
def foo(self, request, tag):
renders.append((self, request))
return p[tag]
renderer(foo)
result = []
element = OldStyleElement()
request = FakeRequest()
context = WovenContext()
context.remember(request)
finished = oldFlatten(element, context, result.append, lambda ign: ign)
def cbFinished(ignored):
self.assertEqual("".join(result), "<p>Hello, world</p>")
self.assertEqual(renders, [(element, request)])
finished.addCallback(cbFinished)
return finished
def doRendering(self, fragmentClass):
"""
Verify that the given fragment class will render without raising an
exception.
"""
siteStore = Store()
loginSystem = LoginSystem(store=siteStore)
installOn(loginSystem, siteStore)
p = Product(
store=siteStore, types=["xmantissa.webadmin.LocalUserBrowser", "xmantissa.signup.SignupConfiguration"]
)
account = loginSystem.addAccount(u"testuser", u"localhost", None)
p.installProductOn(account.avatars.open())
f = fragmentClass(None, u"testuser", account)
p = LivePage(docFactory=stan(html[head(render=directive("liveglue")), body(render=lambda ctx, data: f)]))
f.setFragmentParent(p)
ctx = WovenContext()
req = FakeRequest()
ctx.remember(req, IRequest)
d = p.renderHTTP(ctx)
def rendered(ign):
p.action_close(None)
d.addCallback(rendered)
return d
def process(self, context, boundTo, data, autoConfigure = True):
"""Knows how to process a dictionary of lists
where the dictionary may contain a key with the same
name as some of the arguments to the MethodBinding
instance.
"""
typedValue = self.original.typedValue
results = {}
failures = {}
if '----' in data:
## ---- is the "direct object", the one argument you can specify using the command line without saying what the argument name is
data[typedValue.arguments[0].name] = data['----']
del data['----']
for binding in typedValue.arguments:
name = binding.name
try:
context = WovenContext(context, faketag)
context.remember(binding, iformless.IBinding)
results[name] = iformless.IInputProcessor(binding.typedValue).process(context, boundTo, data.get(name, ['']))
except formless.InputError as e:
results[name] = data.get(name, [''])[0]
failures[name] = e.reason
if failures:
#print "There were validation errors. The errors were: ", failures
raise formless.ValidateError(failures, "Error:", results)
if autoConfigure:
def _except(e):
failures[''] = e.reason # self.original.name
raise formless.ValidateError(failures, e.reason, results)
return exceptblock(self.original.configure, _except, formless.InputError,
boundTo, results)
return results
def test_bootstraps(self):
"""
L{LivePage._bootstraps} should return a list of 2-tuples of
(initialization method, arguments) of methods to call in JavaScript.
Specifically, it should invoke Divmod.bootstrap with the page's own
URL, and Nevow.Athena.bootstrap with the name of the client-side Page
class to instantiate and the URL to instantiate it with.
"""
SEG = "'" + '"'
URI = "http://localhost/" + SEG
req = FakeRequest(uri='/' + SEG, currentSegments=[SEG])
ctx = WovenContext()
ctx.remember(req, IRequest)
self.page.clientID = 'asdf'
self.assertEqual(
self.page._bootstraps(ctx),
[
(
"Divmod.bootstrap",
# Nevow's URL quoting rules are weird, but this is the URL
# flattener's fault, not mine. Adjust to taste if that changes
# (it won't) -glyph
[u"http://localhost/'%22"]),
("Nevow.Athena.bootstrap",
[u'Nevow.Athena.PageWidget', u'asdf'])
])
def _render(self, page):
"""
Test helper which tries to render the given page.
"""
ctx = WovenContext()
req = FakeRequest()
ctx.remember(req, IRequest)
return page.renderHTTP(ctx).addCallback(lambda ign: req.v)
def _render(self, fragment):
"""
Test helper which tries to render the given fragment.
"""
ctx = WovenContext()
req = FakeRequest()
ctx.remember(req, IRequest)
return Page(docFactory=stan(fragment)).renderString(ctx)
def _render(self, resource):
"""
Test helper which tries to render the given resource.
"""
ctx = WovenContext()
req = FakeRequest(headers={'host': self.hostname})
ctx.remember(req, IRequest)
return req, resource.renderHTTP(ctx)
def _render(self, resource):
"""
Test helper which tries to render the given resource.
"""
ctx = WovenContext()
req = FakeRequest(headers={'host': self.hostname})
ctx.remember(req, IRequest)
return req, resource.renderHTTP(ctx)
def _render(self, fragment, request=None):
"""
Test helper which tries to render the given fragment.
"""
ctx = WovenContext()
if request is None:
request = FakeRequest()
ctx.remember(request, IRequest)
return Page(docFactory=stan(fragment)).renderString(ctx)
def _makeContext():
"""
Create the request and context objects necessary for rendering a page.
@return: A two-tuple of the created L{FakeRequest} and L{WovenContext},
with the former remembered in the latter.
"""
request = FakeRequest()
context = WovenContext()
context.remember(request, IRequest)
return (request, context)
def _makeContext():
"""
Create the request and context objects necessary for rendering a page.
@return: A two-tuple of the created L{FakeRequest} and L{WovenContext},
with the former remembered in the latter.
"""
request = FakeRequest()
context = WovenContext()
context.remember(request, IRequest)
return (request, context)
def test_renderReconnect(self):
"""
L{LivePage.renderHTTP} should render a JSON-encoded version of its
clientID rather than a rendered version of its template when provided
with a special __athena_reconnect__ parameter.
"""
req = FakeRequest(args={athena.ATHENA_RECONNECT: ["1"]})
ctx = WovenContext()
ctx.remember(req, IRequest)
string = self.page.renderHTTP(ctx)
jsonifiedID = '"%s"' % (self.page.clientID, )
self.assertEqual(string, jsonifiedID)
def _renderHead(self, result):
"""
Go through all the gyrations necessary to get the head contents
produced by the page rendering process.
"""
site = ISiteURLGenerator(self.siteStore)
t = tags.invisible()
ctx = WovenContext(tag=t)
req = FakeRequest()
ctx.remember(req, IRequest)
expected = [th.head(req, site)
for th in self.pageFactory._preferredThemes()]
head = result.render_head(ctx, None)
return t, expected
def test_unsupportedBrowserPage(self):
"""
Test that unsupported browsers get told they're unsupported.
"""
ctx = WovenContext()
page = athena.LivePage()
req = FakeRequest()
req.received_headers[
'user-agent'] = "Mozilla/4.0 (compatible; MSIE 2.0; Windows NT 5.1)"
ctx.remember(req, IRequest)
d = renderPage(page, reqFactory=lambda: req)
d.addCallback(self.assertEqual,
flat.flatten(page.unsupportedBrowserLoader))
return d
def test_oldFlattenableInAttribute(self):
"""
Flattening a L{Element} as the value of an attribute of a L{Tag} XML
attribute escapes the element's flattened document.
"""
result = []
element = Element()
element.docFactory = stan(['"&<>'])
request = FakeRequest()
context = WovenContext()
context.remember(request)
finished = oldFlatten(p(foo=element), context, result.append, lambda ign: ign)
finished.addCallback(lambda ign: "".join(result))
finished.addCallback(self.assertEqual, '<p foo=""&<>"></p>')
return finished
def _renderHead(self, result):
"""
Go through all the gyrations necessary to get the head contents
produced by the page rendering process.
"""
site = ISiteURLGenerator(self.siteStore)
t = tags.invisible()
ctx = WovenContext(tag=t)
req = FakeRequest()
ctx.remember(req, IRequest)
expected = [
th.head(req, site) for th in self.pageFactory._preferredThemes()
]
head = result.render_head(ctx, None)
return t, expected
def test_oldFlattenable(self):
"""
Flattening L{Element} instances with the old flatten function results in
the flattened version of whatever their C{render} method returns.
"""
result = []
element = Element()
element.docFactory = stan(['"&<>'])
request = FakeRequest()
context = WovenContext()
context.remember(request)
finished = oldFlatten(element, context, result.append, lambda ign: ign)
finished.addCallback(lambda ign: "".join(result))
finished.addCallback(self.assertEqual, '"&<>')
return finished
def test_oldFlattenable(self):
"""
Flattening L{Element} instances with the old flatten function results in
the flattened version of whatever their C{render} method returns.
"""
result = []
element = Element()
element.docFactory = stan(['"&<>'])
request = FakeRequest()
context = WovenContext()
context.remember(request)
finished = oldFlatten(element, context, result.append, lambda ign: ign)
finished.addCallback(lambda ign: "".join(result))
finished.addCallback(self.assertEqual, '"&<>')
return finished
def precompile(stan, ctx=None):
"""Given the stan and the optional context, return a list of strings and
Context instances, optimizing as much static content as possible into contiguous
string runs.
The Context instances will have Tag instances whose .children have also been
precompiled.
"""
from nevow.context import WovenContext
newctx = WovenContext(precompile=True)
if ctx is not None:
macroFactory = inevow.IMacroFactory(ctx, default=None)
if macroFactory is not None:
newctx.remember(macroFactory, inevow.IMacroFactory)
doc = []
list(iterflatten(stan, newctx, doc.append))
return doc
def precompile(stan, ctx=None):
"""Given the stan and the optional context, return a list of strings and
Context instances, optimizing as much static content as possible into contiguous
string runs.
The Context instances will have Tag instances whose .children have also been
precompiled.
"""
from nevow.context import WovenContext
newctx = WovenContext(precompile=True)
if ctx is not None:
macroFactory = inevow.IMacroFactory(ctx, None)
if macroFactory is not None:
newctx.remember(macroFactory, inevow.IMacroFactory)
doc = []
list(iterflatten(stan, newctx, doc.append))
return doc
def test_pageJsClassDependencies(self):
"""
L{LivePage.render_liveglue} should include modules that the
L{LivePage}'s jsClass depends on.
"""
self.page.jsClass = u'PythonTestSupport.Dependor.PageTest'
freq = FakeRequest()
self.page._becomeLive(url.URL.fromRequest(freq))
ctx = WovenContext(tag=tags.div())
ctx.remember(freq, IRequest)
self.assertEqual(self.page.render_liveglue(ctx, None), ctx.tag)
expectDependor = flat.flatten(
self.page.getImportStan(u'PythonTestSupport.Dependor'))
expectDependee = flat.flatten(
self.page.getImportStan(u'PythonTestSupport.Dependee'))
result = flat.flatten(ctx.tag, ctx)
self.assertIn(expectDependor, result)
self.assertIn(expectDependee, result)
def test_oldFlattenableError(self):
"""
If the old flattener encounters an asynchronous Failure while
flattening an L{IRenderable}, the returned L{Deferred} fires with the
failure.
"""
result = Deferred()
element = Element()
element.docFactory = stan(result)
request = FakeRequest()
context = WovenContext()
context.remember(request)
accumulator = []
finished = oldFlatten(element, context, accumulator.append, lambda ign: ign)
result.addErrback(lambda err: err.trap(RuntimeError))
finished = self.assertFailure(finished, RuntimeError)
result.errback(RuntimeError("test error"))
return finished
def test_rendering(self):
"""
Test that L{webadmin.UserInteractionFragment} renders without raising
any exceptions.
"""
f = UserInteractionFragment(self.browser)
p = LivePage(docFactory=stan(html[head(render=directive("liveglue")), body(render=lambda ctx, data: f)]))
f.setFragmentParent(p)
ctx = WovenContext()
req = FakeRequest()
ctx.remember(req, IRequest)
d = p.renderHTTP(ctx)
def rendered(ign):
p.action_close(None)
d.addCallback(rendered)
return d
def process(self, context, boundTo, data, autoConfigure = True):
"""Knows how to process a dictionary of lists
where the dictionary may contain a key with the same
name as some of the arguments to the MethodBinding
instance.
"""
typedValue = self.original.typedValue
results = {}
failures = {}
if data.has_key('----'):
## ---- is the "direct object", the one argument you can specify using the command line without saying what the argument name is
data[typedValue.arguments[0].name] = data['----']
del data['----']
for binding in typedValue.arguments:
name = binding.name
try:
context = WovenContext(context, faketag)
context.remember(binding, iformless.IBinding)
results[name] = iformless.IInputProcessor(binding.typedValue).process(context, boundTo, data.get(name, ['']))
except formless.InputError, e:
results[name] = data.get(name, [''])[0]
failures[name] = e.reason
def test_rendering(self):
"""
Test that L{webadmin.UserInteractionFragment} renders without raising
any exceptions.
"""
f = UserInteractionFragment(self.browser)
p = LivePage(
docFactory=stan(
html[
head(render=directive('liveglue')),
body(render=lambda ctx, data: f)]))
f.setFragmentParent(p)
ctx = WovenContext()
req = FakeRequest()
ctx.remember(req, IRequest)
d = p.renderHTTP(ctx)
def rendered(ign):
p.action_close(None)
d.addCallback(rendered)
return d
def _render(self, element):
"""
Put the given L{IRenderer} provider into an L{athena.LivePage} and
render it. Return a Deferred which fires with the request object used
which is an instance of L{nevow.testutil.FakeRequest}.
"""
p = LivePage(docFactory=stan(html[head(
render=directive('liveglue')), body[invisible(
render=lambda ctx, data: element)]]))
element.setFragmentParent(p)
ctx = WovenContext()
req = FakeRequest()
ctx.remember(req, IRequest)
d = p.renderHTTP(ctx)
def rendered(ign):
p.action_close(None)
return req
d.addCallback(rendered)
return d
def process(self, context, boundTo, data, autoConfigure=True):
"""Knows how to process a dictionary of lists
where the dictionary may contain a key with the same
name as some of the arguments to the MethodBinding
instance.
"""
typedValue = self.original.typedValue
results = {}
failures = {}
if data.has_key("----"):
data[typedValue.arguments[0].name] = data["----"]
del data["----"]
for binding in typedValue.arguments:
name = binding.name
try:
context = WovenContext(context, faketag)
context.remember(binding, iformless.IBinding)
results[name] = iformless.IInputProcessor(binding.typedValue).process(
context, boundTo, data.get(name, [""])
)
except formless.InputError, e:
results[name] = data.get(name, [""])[0]
failures[name] = e.reason
def postForm(self, ctx, bindingName, args):
"""Accept a form post to the given bindingName. The bindingName
can be dotted to indicate an attribute of this Configurable, eg
addresses.0.changeEmail. The post arguments are given in args.
Return a Resource which will be rendered in response.
"""
from formless import iformless
from nevow.tags import invisible
request = ctx.locate(inevow.IRequest)
pathSegs = bindingName.split('.')
configurable = self
cf = ctx.locate(iformless.IConfigurableFactory)
## Get the first binding
firstSeg = pathSegs.pop(0)
binding = configurable.getBinding(ctx, firstSeg)
ctx.remember(binding, IBinding)
ctx.remember(configurable, IConfigurable)
## I don't think this works right now, it needs to be fixed.
## Most cases it won't be triggered, because we're just traversing a
## single binding name
for seg in pathSegs:
assert 1 == 0, "Sorry, this doesn't work right now"
binding = configurable.getBinding(ctx, seg)
child = self.boundTo
if not isinstance(binding, GroupBinding):
accessor = inevow.IContainer(configurable.boundTo, None)
if accessor is None:
child = getattr(configurable.boundTo, binding.name)
else:
child = accessor.child(ctx, binding.name)
## If it's a groupbinding, we don't do anything at all for this path segment
## This won't work right now. We need to push the previous configurable
## as the configurableFactory somehow and ask that for hte next binding
## we also need to support deferreds coming back from locateConfigurable
assert 'black' is 'white', "Deferred support is pending"
configurable = cf.locateConfigurable(ctx, child)
ctx = WovenContext(ctx, invisible(key=seg))
ctx.remember(binding, IBinding)
ctx.remember(configurable, IConfigurable)
bindingProcessor = iformless.IInputProcessor(binding)
rv = bindingProcessor.process(ctx, binding.boundTo, args)
ctx.remember(rv, inevow.IHand)
ctx.remember('%r success.' % bindingName, inevow.IStatusMessage)
return rv
def postForm(self, ctx, bindingName, args):
"""Accept a form post to the given bindingName. The bindingName
can be dotted to indicate an attribute of this Configurable, eg
addresses.0.changeEmail. The post arguments are given in args.
Return a Resource which will be rendered in response.
"""
from formless import iformless
from nevow.tags import invisible
request = ctx.locate(inevow.IRequest)
pathSegs = bindingName.split('.')
configurable = self
cf = ctx.locate(iformless.IConfigurableFactory)
## Get the first binding
firstSeg = pathSegs.pop(0)
binding = configurable.getBinding(ctx, firstSeg)
ctx.remember(binding, IBinding)
ctx.remember(configurable, IConfigurable)
## I don't think this works right now, it needs to be fixed.
## Most cases it won't be triggered, because we're just traversing a
## single binding name
for seg in pathSegs:
assert 1 == 0, "Sorry, this doesn't work right now"
binding = configurable.getBinding(ctx, seg)
child = self.boundTo
if not isinstance(binding, GroupBinding):
accessor = inevow.IContainer(configurable.boundTo, None)
if accessor is None:
child = getattr(configurable.boundTo, binding.name)
else:
child = accessor.child(ctx, binding.name)
## If it's a groupbinding, we don't do anything at all for this path segment
## This won't work right now. We need to push the previous configurable
## as the configurableFactory somehow and ask that for hte next binding
## we also need to support deferreds coming back from locateConfigurable
assert 'black' is 'white', "Deferred support is pending"
configurable = cf.locateConfigurable(ctx, child)
ctx = WovenContext(ctx, invisible(key=seg))
ctx.remember(binding, IBinding)
ctx.remember(configurable, IConfigurable)
bindingProcessor = iformless.IInputProcessor(binding)
rv = bindingProcessor.process(ctx, binding.boundTo, args)
ctx.remember(rv, inevow.IHand)
ctx.remember('%r success.' % bindingName, inevow.IStatusMessage)
return rv
def _render(self, element):
"""
Put the given L{IRenderer} provider into an L{athena.LivePage} and
render it. Return a Deferred which fires with the request object used
which is an instance of L{nevow.testutil.FakeRequest}.
"""
p = LivePage(
docFactory=stan(
html[
head(render=directive('liveglue')),
body[
invisible(render=lambda ctx, data: element)]]))
element.setFragmentParent(p)
ctx = WovenContext()
req = FakeRequest()
ctx.remember(req, IRequest)
d = p.renderHTTP(ctx)
def rendered(ign):
p.action_close(None)
return req
d.addCallback(rendered)
return d
def postForm(self, ctx, bindingName, args):
"""Accept a form post to the given bindingName. The bindingName
can be dotted to indicate an attribute of this Configurable, eg
addresses.0.changeEmail. The post arguments are given in args.
Return a Resource which will be rendered in response.
"""
from formless import iformless
from nevow.tags import invisible
request = ctx.locate(inevow.IRequest)
pathSegs = bindingName.split('.')
configurable = self
cf = ctx.locate(iformless.IConfigurableFactory)
firstSeg = pathSegs.pop(0)
binding = configurable.getBinding(ctx, firstSeg)
ctx.remember(binding, IBinding)
ctx.remember(configurable, IConfigurable)
for seg in pathSegs:
assert 1 == 0, "Sorry, this doesn't work right now"
binding = configurable.getBinding(ctx, seg)
child = self.boundTo
if not isinstance(binding, GroupBinding):
accessor = inevow.IContainer(configurable.boundTo, None)
if accessor is None:
child = getattr(configurable.boundTo, binding.name)
else:
child = accessor.child(ctx, binding.name)
assert 'black' is 'white', "Deferred support is pending"
configurable = cf.locateConfigurable(ctx, child)
ctx = WovenContext(ctx, invisible(key=seg))
ctx.remember(binding, IBinding)
ctx.remember(configurable, IConfigurable)
bindingProcessor = iformless.IInputProcessor(binding)
rv = bindingProcessor.process(ctx, binding.boundTo, args)
ctx.remember(rv, inevow.IHand)
ctx.remember('%r success.' % bindingName, inevow.IStatusMessage)
return rv
def rend(self, ctx, data):
# Unfortunately, we still need a context to make the rest of the
# rendering process work. A goal should be to elimate this completely.
context = WovenContext()
if self.docFactory is None:
raise MissingDocumentFactory(self)
preprocessors = _getPreprocessors(self)
doc = self.docFactory.load(context, preprocessors)
context.remember(self, IData)
context.remember(self, IRenderer)
context.remember(self, IRendererFactory)
context.tag = invisible[doc]
return context
def _ctxForRequest(request, slotData, renderFactory, inAttribute):
"""
Create a L{WovenContext} which can be used to by the
backwards-compatibility support of L{IRenderer} and L{getFlattener} to
continue rendering a response for the given request.
"""
ctx = WovenContext()
ctx.isAttrib = inAttribute
ctx.remember(None, IData) # Even though IData(ctx) can never return None,
# remembering None here is somehow very important
# for preventing a TypeError from happening when
# ctx.locate(IData) is invoked, since it is
# sometimes invoked from a codepath other than
# __conform__. -exarkun
ctx.remember(request, IRequest)
for slotGroup in slotData:
if slotGroup is not None:
for k, v in slotGroup.items():
ctx.fillSlots(k, v)
if renderFactory is not None:
ctx.remember(_OldRendererFactory(renderFactory), IRendererFactory)
return ctx
def TagSerializer(original, context, contextIsMine=False):
"""
Original is the tag.
Context is either:
- the context of someone up the chain (if contextIsMine is False)
- this tag's context (if contextIsMine is True)
"""
# print "TagSerializer:",original, "ContextIsMine",contextIsMine, "Context:",context
visible = bool(original.tagName)
if visible and context.isAttrib:
raise RuntimeError, "Tried to render tag '%s' in an tag attribute context." % (
original.tagName)
if context.precompile and original.macro:
toBeRenderedBy = original.macro
## Special case for directive; perhaps this could be handled some other way with an interface?
if isinstance(toBeRenderedBy, directive):
toBeRenderedBy = IMacroFactory(context).macro(
context, toBeRenderedBy.name)
original.macro = Unset
newContext = WovenContext(context, original)
yield serialize(toBeRenderedBy(newContext), newContext)
return
## TODO: Do we really need to bypass precompiling for *all* specials?
## Perhaps just render?
if context.precompile and ([
x for x in original._specials.values()
if x is not None and x is not Unset
] or original.slotData):
## The tags inside this one get a "fresh" parent chain, because
## when the context yielded here is serialized, the parent
## chain gets reconnected to the actual parents at that
## point, since the render function here could change
## the actual parentage hierarchy.
nestedcontext = WovenContext(precompile=context.precompile,
isAttrib=context.isAttrib)
# If necessary, remember the MacroFactory onto the new context chain.
macroFactory = IMacroFactory(context, None)
if macroFactory is not None:
nestedcontext.remember(macroFactory, IMacroFactory)
original = original.clone(deep=False)
if not contextIsMine:
context = WovenContext(context, original)
context.tag.children = precompile(context.tag.children, nestedcontext)
yield context
return
## Don't render patterns
if original.pattern is not Unset and original.pattern is not None:
return
if not contextIsMine:
if original.render:
### We must clone our tag before passing to a render function
original = original.clone(deep=False)
context = WovenContext(context, original)
if original.data is not Unset:
newdata = convertToData(original.data, context)
if isinstance(newdata, util.Deferred):
yield newdata.addCallback(
lambda newdata: _datacallback(newdata, context))
else:
_datacallback(newdata, context)
if original.render:
## If we have a render function we want to render what it returns,
## not our tag
toBeRenderedBy = original.render
# erase special attribs so if the renderer returns the tag,
# the specials won't be on the context twice.
original._clearSpecials()
yield serialize(toBeRenderedBy, context)
return
if not visible:
for child in original.children:
yield serialize(child, context)
return
yield '<%s' % original.tagName
if original.attributes:
attribContext = WovenContext(parent=context,
precompile=context.precompile,
isAttrib=True)
for (k, v) in original.attributes.iteritems():
if v is None:
continue
yield ' %s="' % k
yield serialize(v, attribContext)
yield '"'
if not original.children:
if original.tagName in allowSingleton:
yield ' />'
else:
yield '></%s>' % original.tagName
else:
yield '>'
for child in original.children:
yield serialize(child, context)
yield '</%s>' % original.tagName
def TagSerializer(original, context, contextIsMine=False):
"""
Original is the tag.
Context is either:
- the context of someone up the chain (if contextIsMine is False)
- this tag's context (if contextIsMine is True)
"""
# print "TagSerializer:",original, "ContextIsMine",contextIsMine, "Context:",context
visible = bool(original.tagName)
if visible and context.isAttrib:
raise RuntimeError("Tried to render tag '%s' in an tag attribute context." % (original.tagName))
if context.precompile and original.macro:
toBeRenderedBy = original.macro
## Special case for directive; perhaps this could be handled some other way with an interface?
if isinstance(toBeRenderedBy, directive):
toBeRenderedBy = IMacroFactory(context).macro(context, toBeRenderedBy.name)
original.macro = Unset
newContext = WovenContext(context, original)
yield serialize(toBeRenderedBy(newContext), newContext)
return
## TODO: Do we really need to bypass precompiling for *all* specials?
## Perhaps just render?
if context.precompile and (
[x for x in list(original._specials.values()) if x is not None and x is not Unset] or original.slotData
):
## The tags inside this one get a "fresh" parent chain, because
## when the context yielded here is serialized, the parent
## chain gets reconnected to the actual parents at that
## point, since the render function here could change
## the actual parentage hierarchy.
nestedcontext = WovenContext(precompile=context.precompile, isAttrib=context.isAttrib)
# If necessary, remember the MacroFactory onto the new context chain.
macroFactory = IMacroFactory(context, None)
if macroFactory is not None:
nestedcontext.remember(macroFactory, IMacroFactory)
original = original.clone(deep=False)
if not contextIsMine:
context = WovenContext(context, original)
context.tag.children = precompile(context.tag.children, nestedcontext)
yield context
return
## Don't render patterns
if original.pattern is not Unset and original.pattern is not None:
return
if not contextIsMine:
if original.render:
### We must clone our tag before passing to a render function
original = original.clone(deep=False)
context = WovenContext(context, original)
if original.data is not Unset:
newdata = convertToData(original.data, context)
if isinstance(newdata, util.Deferred):
yield newdata.addCallback(lambda newdata: _datacallback(newdata, context))
else:
_datacallback(newdata, context)
if original.render:
## If we have a render function we want to render what it returns,
## not our tag
toBeRenderedBy = original.render
# erase special attribs so if the renderer returns the tag,
# the specials won't be on the context twice.
original._clearSpecials()
yield serialize(toBeRenderedBy, context)
return
if not visible:
for child in original.children:
yield serialize(child, context)
return
yield "<%s" % original.tagName
if original.attributes:
attribContext = WovenContext(parent=context, precompile=context.precompile, isAttrib=True)
for (k, v) in sorted(original.attributes.items()):
if v is None:
continue
yield ' %s="' % k
yield serialize(v, attribContext)
yield '"'
if not original.children:
if original.tagName in allowSingleton:
yield " />"
else:
yield "></%s>" % original.tagName
else:
yield ">"
for child in original.children:
yield serialize(child, context)
yield "</%s>" % original.tagName
def cbCheckPageByClientID(result):
req = FakeRequest()
ctx = WovenContext()
ctx.remember(req, IRequest)
page1prime, seg = w.locateChild(ctx, [page1.clientID])
self.assertIdentical(page1prime, page1)
