def child(self, context, n):
args = []
if n.find(' ') != -1:
name, args = n.split(None, 1)
args = [arg.strip() for arg in args.split(',')]
else:
name = n
callable = getattr(self, 'data_%s' % name, None)
## If this page doesn't have an appropriate data_* method...
if callable is None:
## See if our self.original has an IContainer...
container = inevow.IContainer(self.original, None)
if container is None:
util.log.msg(
"ERROR: The data named '%s' was not found in %r." %
(name, self))
callable = lambda context, data: context.tag[
"The data named '%s' was not found in %r." % (name, self)]
else:
## And delegate to it if so.
return container.child(context, n)
if args:
return callable(*args)
return callable
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