def webFormPost(self, request, res, configurable, ctx, bindingName, args):
def redirectAfterPost(aspects):
redirectAfterPost = request.getComponent(
iformless.IRedirectAfterPost, None)
if redirectAfterPost is None:
ref = request.getHeader('referer') or ''
else:
## Use the redirectAfterPost url
ref = str(redirectAfterPost)
from nevow import url
refpath = url.URL.fromString(ref)
magicCookie = '%s%s%s' % (now(), request.getClientIP(),
random.random())
refpath = refpath.replace('_nevow_carryover_', magicCookie)
_CARRYOVER[magicCookie] = C = compy.Componentized(aspects)
request.redirect(str(refpath))
from nevow import static
return static.Data('You posted a form to %s' % bindingName,
'text/plain'), ()
return util.maybeDeferred(
configurable.postForm, ctx, bindingName, args).addCallback(
self.onPostSuccess, request, ctx, bindingName,
redirectAfterPost).addErrback(self.onPostFailure, request, ctx,
bindingName, redirectAfterPost)
def getResourceFor(self, root, url):
r = testutil.FakeRequest()
self.request = r
r.postpath = url.split('/')
deferred = util.maybeDeferred(
appserver.NevowSite(root).getResourceFor, r)
return util.deferredResult(deferred)
def onManualPost(self, ctx, method, bindingName, kwargs):
# This is copied from rend.Page.onWebFormPost
def redirectAfterPost(aspects):
redirectAfterPost = request.getComponent(
iformless.IRedirectAfterPost, None)
if redirectAfterPost is None:
ref = request.getHeader('referer') or ''
else:
## Use the redirectAfterPost url
ref = str(redirectAfterPost)
from nevow import url
refpath = url.URL.fromString(ref)
magicCookie = str(now())
refpath = refpath.replace('_nevow_carryover_', magicCookie)
_CARRYOVER[magicCookie] = C = tpc.Componentized()
for k, v in aspects.items():
C.setComponent(k, v)
request.redirect(str(refpath))
from nevow import static
return static.Data('You posted a form to %s' % bindingName,
'text/plain'), ()
request = inevow.IRequest(ctx)
return util.maybeDeferred(method, **kwargs).addCallback(
self.onPostSuccess, request, ctx, bindingName,
redirectAfterPost).addErrback(self.onPostFailure, request, ctx,
bindingName, redirectAfterPost)
def getResourceFor(self, root, url):
r = testutil.FakeRequest()
self.request = r
r.postpath = url.split('/')
ctx = context.RequestContext(tag=self.request)
return util.maybeDeferred(
appserver.NevowSite(root).getPageContextForRequestContext, ctx)
def getResourceFor(self, root, url):
r = testutil.FakeRequest()
self.request = r
r.postpath = url.split('/')
ctx = context.RequestContext(tag=self.request)
return util.maybeDeferred(
appserver.NevowSite(root).getPageContextForRequestContext, ctx)
def locateChild(self, ctx, segments):
request = inevow.IRequest(ctx)
## The method or property name we are going to validate against/affect
bindingName = None
name = segments[0]
if name.startswith('freeform_post!'):
configurableName, bindingName = name.split('!')[1:3]
elif name.startswith('freeform-action-post!'):
configurableName, request.args['freeform-actee'] = name.split(
'!')[1:3]
bindingName = request.args['freeform-action'][0]
if bindingName:
ctx.remember(self, inevow.IResource)
ctx.remember(request, inevow.IRequest)
cf = iformless.IConfigurableFactory(self)
def checkC(c):
if c is not None:
return self.webFormPost(request, self, c, ctx, bindingName,
request.args)
return util.maybeDeferred(cf.locateConfigurable, ctx,
configurableName).addCallback(checkC)
return NotFound
def _innerFormRenderIt(context, data):
tag = context.tag
context.remember(configurableKey, iformless.IConfigurableKey)
if configurable is None:
warnings.warn(
"No configurable was found which provides enough type information for freeform to be able to render forms")
yield ''
return
context.remember(configurable, iformless.IConfigurable)
formDefaults = iformless.IFormDefaults(context)
if bindingDefaults is None:
available = configurable.getBindingNames(context)
else:
available = bindingDefaults.iterkeys()
def _callback(binding):
renderer = iformless.IBindingRenderer(binding, defaultBindingRenderer)
try:
binding_pattern = tag.patternGenerator( 'freeform-form!!%s' % name )
except NodeNotFound:
try:
binding_pattern = tag.patternGenerator( 'freeform-form' )
except NodeNotFound:
binding_pattern = freeformDefaultForm
if binding_pattern is freeformDefaultForm:
renderer.needsSkin = True
return binding_pattern(data=binding, render=renderer, key=name)
for name in available:
if bindingDefaults is not None:
defs = formDefaults.getAllDefaults(name)
defs.update(bindingDefaults[name])
d = util.maybeDeferred(configurable.getBinding, context, name)
d.addCallback(_callback)
yield d
def webFormPost(self, request, res, configurable, ctx, bindingName, args):
"""Accept a web form post, either redisplaying the original form (with
errors) if validation fails, or redirecting to the appropriate location after
the post succeeds. This hook exists specifically for formless.
New in 0.5, _nevow_carryover_ is only used if an autocallable method
returns a result that needs to be carried over.
New in 0.5, autocallables may return a nevow.url.URL or URLOverlay
instance rather than setting IRedirectAfterPost on the request.
New in 0.5, autocallables may return a Page instance to have that Page
instance rendered at the post target URL with no redirects at all. Useful
for multi-step wizards.
"""
def redirectAfterPost(aspects):
hand = aspects.get(inevow.IHand)
refpath = None
if hand is not None:
if isinstance(hand, Page):
refpath = url.here
if 'freeform_hand' not in inevow.IRequest(ctx).prepath:
refpath = refpath.child('freeform_hand')
if isinstance(hand, (url.URL, url.URLOverlay)):
refpath, hand = hand, None
if refpath is None:
redirectAfterPost = request.getComponent(iformless.IRedirectAfterPost, None)
if redirectAfterPost is None:
ref = request.getHeader('referer')
if ref:
refpath = url.URL.fromString(ref)
else:
refpath = url.here
else:
warnings.warn("[0.5] IRedirectAfterPost is deprecated. Return a URL instance from your autocallable instead.", DeprecationWarning, 2)
## Use the redirectAfterPost url
ref = str(redirectAfterPost)
refpath = url.URL.fromString(ref)
if hand is not None or aspects.get(iformless.IFormErrors) is not None:
magicCookie = '%s%s%s' % (now(),request.getClientIP(),random.random())
refpath = refpath.replace('_nevow_carryover_', magicCookie)
_CARRYOVER[magicCookie] = C = tpc.Componentized()
for k, v in aspects.iteritems():
C.setComponent(k, v)
destination = flat.flatten(refpath, ctx)
request.redirect(destination)
from nevow import static
return static.Data('You posted a form to %s' % bindingName, 'text/plain'), ()
return util.maybeDeferred(
configurable.postForm, ctx, bindingName, args
).addCallback(
self.onPostSuccess, request, ctx, bindingName, redirectAfterPost
).addErrback(
self.onPostFailure, request, ctx, bindingName, redirectAfterPost
)
def webFormPost(self, request, res, configurable, ctx, bindingName, args):
"""Accept a web form post, either redisplaying the original form (with
errors) if validation fails, or redirecting to the appropriate location after
the post succeeds. This hook exists specifically for formless.
New in 0.5, _nevow_carryover_ is only used if an autocallable method
returns a result that needs to be carried over.
New in 0.5, autocallables may return a nevow.url.URL or URLOverlay
instance rather than setting IRedirectAfterPost on the request.
New in 0.5, autocallables may return a Page instance to have that Page
instance rendered at the post target URL with no redirects at all. Useful
for multi-step wizards.
"""
def redirectAfterPost(aspects):
hand = aspects.get(inevow.IHand)
refpath = None
if hand is not None:
if isinstance(hand, Page):
refpath = url.here
if 'freeform_hand' not in inevow.IRequest(ctx).prepath:
refpath = refpath.child('freeform_hand')
if isinstance(hand, (url.URL, url.URLOverlay)):
refpath, hand = hand, None
if refpath is None:
redirectAfterPost = request.getComponent(iformless.IRedirectAfterPost, None)
if redirectAfterPost is None:
ref = request.getHeader('referer')
if ref:
refpath = url.URL.fromString(ref)
else:
refpath = url.here
else:
warnings.warn("[0.5] IRedirectAfterPost is deprecated. Return a URL instance from your autocallable instead.", DeprecationWarning, 2)
## Use the redirectAfterPost url
ref = str(redirectAfterPost)
refpath = url.URL.fromString(ref)
if hand is not None or aspects.get(iformless.IFormErrors) is not None:
magicCookie = '%s%s%s' % (now(),request.getClientIP(),random.random())
refpath = refpath.replace('_nevow_carryover_', magicCookie)
_CARRYOVER[magicCookie] = C = tpc.Componentized()
for k, v in aspects.iteritems():
C.setComponent(k, v)
destination = flat.flatten(refpath, ctx)
request.redirect(destination)
from nevow import static
return static.Data('You posted a form to %s' % bindingName, 'text/plain'), ()
return util.maybeDeferred(
configurable.postForm, ctx, bindingName, args
).addCallback(
self.onPostSuccess, request, ctx, bindingName, redirectAfterPost
).addErrback(
self.onPostFailure, request, ctx, bindingName, redirectAfterPost
)
def getResourceFor(self, root, url):
r = testutil.FakeRequest()
self.request = r
r.postpath = url.split('/')
deferred = util.maybeDeferred(appserver.NevowSite(root).getResourceFor, r)
return util.deferredResult(
deferred
)
def locateConfigurable(self, context, name):
"""formless.webform.renderForms calls locateConfigurable on the IConfigurableFactory
instance it retrieves from the context. It passes the "name" that was passed to it,
so if renderForms() was placed in the DOM, locateConfigurable will be called with
name = ''; if renderForms('foo') was placed in the DOM, locateConfigurable will
be called with name = 'foo'.
This default implementation of locateConfigurable looks for a configurable_* method
corresponding to the name which was passed.
"""
return util.maybeDeferred(getattr(self, 'configurable_%s'%name),
context).addCallback(iformless.IConfigurable)
def _mapQuery(self, curs, query, *args):
curs.execute(query, *args)
dx = u.maybeDeferred(curs.fetchall)
def mapper(result, xcurs):
columns = [d[0] for d in xcurs.description]
return [dict(zip(columns, r)) for r in result]
def _error(error):
print error
dx.addCallback(mapper, curs)
dx.addErrback(_error)
return dx
def deferredRender(res, req):
d = util.maybeDeferred(res.renderHTTP,
context.PageContext(
tag=res, parent=context.RequestContext(
tag=req)))
def done(result):
if isinstance(result, str):
req.write(result)
return req
d.addCallback(done)
return d
def locateConfigurable(self, context, name):
"""formless.webform.renderForms calls locateConfigurable on the IConfigurableFactory
instance it retrieves from the context. It passes the "name" that was passed to it,
so if renderForms() was placed in the DOM, locateConfigurable will be called with
name = ''; if renderForms('foo') was placed in the DOM, locateConfigurable will
be called with name = 'foo'.
This default implementation of locateConfigurable looks for a configurable_* method
corresponding to the name which was passed.
"""
return util.maybeDeferred(getattr(self, 'configurable_%s' % name),
context).addCallback(iformless.IConfigurable)
def deferredRender(res):
defres = req()
d = util.maybeDeferred(res.renderHTTP,
context.PageContext(
tag=res, parent=context.RequestContext(
tag=defres)))
def done(result):
if isinstance(result, str):
defres.write(result)
defres.d.callback(defres.accumulator)
return result
d.addCallback(done)
return unittest.deferredResult(defres.d, 1)
def postForm(self, ctx, obj, bindingName, args):
self.conf = obj
ctx.remember(self, iformless.IConfigurableFactory)
def trapValidate(f):
f.trap(formless.ValidateError)
e = f.value
errors = ctx.locate(iformless.IFormErrors)
errors.setError(bindingName, e.formErrorMessage)
errors.updateErrors(bindingName, e.errors)
ctx.locate(iformless.IFormDefaults).getAllDefaults(bindingName).update(e.partialForm)
return util.maybeDeferred(self.locateConfigurable,obj).addCallback(lambda x: x.postForm(
ctx, bindingName, args
)).addErrback(trapValidate)
def mapQuery(self, curs, query, args):
curs.execute(query, args)
d = util.maybeDeferred(curs.fetchall)
def printerror(error, curs, query, args):
print error.printTraceback()
print curs
print query
print args
def finalize(result, curs):
columns = [d[0] for d in curs.description]
return [dict(zip(columns, r)) for r in result]
d.addErrback(printerror, curs, query, args)
d.addCallback(finalize, curs)
d.addErrback(printerror, curs, query, args)
return d
def deferredRender(res):
defres = req()
d = util.maybeDeferred(
res.renderHTTP,
context.PageContext(tag=res,
parent=context.RequestContext(tag=defres)))
def done(result):
if isinstance(result, str):
defres.write(result)
defres.d.callback(defres.accumulator)
return result
d.addCallback(done)
return unittest.deferredResult(defres.d, 1)
def postForm(self, ctx, obj, bindingName, args):
self.conf = obj
ctx.remember(self, iformless.IConfigurableFactory)
def trapValidate(f):
f.trap(formless.ValidateError)
e = f.value
errors = ctx.locate(iformless.IFormErrors)
## Set the overall error for this form
errors.setError(bindingName, e.formErrorMessage)
errors.updateErrors(bindingName, e.errors)
ctx.locate(iformless.IFormDefaults).getAllDefaults(bindingName).update(e.partialForm)
return util.maybeDeferred(self.locateConfigurable,obj).addCallback(lambda x: x.postForm(
ctx, bindingName, args
)).addErrback(trapValidate)
def _addTopic(self, curs, queries, args):
add_topic = queries[0]
add_post = queries[1]
topic_args = args[0]
post_args = args[1]
curs.execute(add_topic, topic_args)
d = u.maybeDeferred(curs.execute, "SELECT MAX(t.id) FROM thread t")
d.addCallback(lambda _: curs.fetchone())
def insTopic(result):
post_args['thread_id'] = result[0]
curs.execute(add_post, post_args)
return result[0]
def _error(error):
print error
d.addCallback(insTopic)
d.addErrback(_error)
return d
def deferredRender(res, request=None):
if request is None:
request = testutil.AccumulatingFakeRequest()
d = util.maybeDeferred(
res.renderHTTP,
context.PageContext(tag=res,
parent=context.RequestContext(tag=request)))
def done(result):
if isinstance(result, str):
request.write(result)
request.d.callback(request.accumulator)
return result
d.addCallback(done)
return request.d
def deferredRender(res, request=None):
if request is None:
request = testutil.FakeRequest()
request.d = defer.Deferred()
d = util.maybeDeferred(res.renderHTTP,
context.PageContext(
tag=res, parent=context.RequestContext(
tag=request)))
def done(result):
if isinstance(result, str):
request.write(result)
request.d.callback(request.accumulator)
return result
d.addCallback(done)
return request.d
def locateChild(self, ctx, segments):
request = inevow.IRequest(ctx)
bindingName = None
name = segments[0]
if name.startswith('freeform_post!'):
configurableName, bindingName = name.split('!')[1:3]
elif name.startswith('freeform-action-post!'):
configurableName, request.args['freeform-actee'] = name.split('!')[1:3]
bindingName = request.args['freeform-action'][0]
if bindingName:
ctx.remember(self, inevow.IResource)
ctx.remember(request, inevow.IRequest)
cf = iformless.IConfigurableFactory(self)
def checkC(c):
if c is not None:
return self.webFormPost(request, self, c, ctx, bindingName, request.args)
return util.maybeDeferred(cf.locateConfigurable, ctx, configurableName).addCallback(checkC)
return NotFound
def getResourceFor(root, url):
"""
Perform traversal for C{url} beginning at C{root}.
@param root: The L{nevow.inevow.IResource} at which to begin.
@param url: The relative path string of the url of the resource to
retrieve.
@type url: L{bytes}
@return: A L{Deferred} that fires with a L{PageContext} for the discovered
resource.
"""
request = testutil.FakeRequest()
request.postpath = url.split('/')
ctx = context.RequestContext(tag=request)
return util.maybeDeferred(
appserver.NevowSite(root).getPageContextForRequestContext, ctx)
def getResourceFor(root, url):
"""
Perform traversal for C{url} beginning at C{root}.
@param root: The L{nevow.inevow.IResource} at which to begin.
@param url: The relative path string of the url of the resource to
retrieve.
@type url: L{bytes}
@return: A L{Deferred} that fires with a L{PageContext} for the discovered
resource.
"""
request = testutil.FakeRequest()
request.postpath = url.split('/')
ctx = context.RequestContext(tag=request)
return util.maybeDeferred(
appserver.NevowSite(root).getPageContextForRequestContext, ctx)
def postForm(self, ctx, bindingName, args):
"""Accept a form post to the given bindingName.
The post arguments are given in args.
This will invoke the IInputProcessor for the
binding with the given name. If it succeeds, the
property will be modified or the method will have
been called. If it fails, a ValidateError exception
will be raised.
"""
def _callback(binding):
ctx.remember(binding, iformless.IBinding)
ctx.remember(self, iformless.IConfigurable)
rv = iformless.IInputProcessor(binding).process(ctx, self, args)
ctx.remember(rv, inevow.IHand)
ctx.remember('%r success.' % bindingName, inevow.IStatusMessage)
return rv
return util.maybeDeferred(self.getBinding, ctx,
bindingName).addCallback(_callback)
def _innerFormRenderIt(context, data):
tag = context.tag
# Remember the key for when the form post URL is generated.
context.remember(configurableKey, iformless.IConfigurableKey)
if configurable is None:
warnings.warn(
"No configurable was found which provides enough type information for freeform to be able to render forms"
)
yield ''
return
context.remember(configurable, iformless.IConfigurable)
formDefaults = iformless.IFormDefaults(context)
if bindingDefaults is None:
available = configurable.getBindingNames(context)
else:
available = bindingDefaults.iterkeys()
def _callback(binding):
renderer = iformless.IBindingRenderer(binding,
defaultBindingRenderer)
try:
binding_pattern = tag.patternGenerator(
'freeform-form!!%s' % name)
except NodeNotFound:
try:
binding_pattern = tag.patternGenerator('freeform-form')
except NodeNotFound:
binding_pattern = freeformDefaultForm
if binding_pattern is freeformDefaultForm:
renderer.needsSkin = True
return binding_pattern(data=binding, render=renderer, key=name)
for name in available:
if bindingDefaults is not None:
defs = formDefaults.getAllDefaults(name)
defs.update(bindingDefaults[name])
d = util.maybeDeferred(configurable.getBinding, context, name)
d.addCallback(_callback)
yield d
def postForm(self, ctx, bindingName, args):
"""Accept a form post to the given bindingName.
The post arguments are given in args.
This will invoke the IInputProcessor for the
binding with the given name. If it succeeds, the
property will be modified or the method will have
been called. If it fails, a ValidateError exception
will be raised.
"""
def _callback(binding):
ctx.remember(binding, iformless.IBinding)
ctx.remember(self, iformless.IConfigurable)
rv = iformless.IInputProcessor(binding).process(ctx, self, args)
ctx.remember(rv, inevow.IHand)
ctx.remember('%r success.' % bindingName, inevow.IStatusMessage)
return rv
return util.maybeDeferred(self.getBinding, ctx,
bindingName).addCallback(_callback)
def onManualPost(self, ctx, method, bindingName, kwargs):
# This is copied from rend.Page.onWebFormPost
def redirectAfterPost(aspects):
redirectAfterPost = request.getComponent(iformless.IRedirectAfterPost, None)
if redirectAfterPost is None:
ref = request.getHeader('referer') or ''
else:
## Use the redirectAfterPost url
ref = str(redirectAfterPost)
from nevow import url
refpath = url.URL.fromString(ref)
magicCookie = str(now())
refpath = refpath.replace('_nevow_carryover_', magicCookie)
_CARRYOVER[magicCookie] = C = compy.Componentized(aspects)
request.redirect(str(refpath))
from nevow import static
return static.Data('You posted a form to %s' % bindingName, 'text/plain'), ()
request = inevow.IRequest(ctx)
return util.maybeDeferred(method, **kwargs
).addCallback(self.onPostSuccess, request, ctx, bindingName,redirectAfterPost
).addErrback(self.onPostFailure, request, ctx, bindingName,redirectAfterPost)
def webFormPost(self, request, res, configurable, ctx, bindingName, args):
def redirectAfterPost(aspects):
redirectAfterPost = request.getComponent(iformless.IRedirectAfterPost, None)
if redirectAfterPost is None:
ref = request.getHeader('referer') or ''
else:
ref = str(redirectAfterPost)
from nevow import url
refpath = url.URL.fromString(ref)
magicCookie = '%s%s%s' % (now(),request.getClientIP(),random.random())
refpath = refpath.replace('_nevow_carryover_', magicCookie)
_CARRYOVER[magicCookie] = C = compy.Componentized(aspects)
request.redirect(str(refpath))
from nevow import static
return static.Data('You posted a form to %s' % bindingName, 'text/plain'), ()
return util.maybeDeferred(
configurable.postForm, ctx, bindingName, args
).addCallback(
self.onPostSuccess, request, ctx, bindingName, redirectAfterPost
).addErrback(
self.onPostFailure, request, ctx, bindingName, redirectAfterPost
)
def getBinding(self, ctx, name):
"""Massage bind_* methods and attributes into an
IBinding. The bind_* method or attribute can either
already implement IBinding or be a list of twoples
which will be massaged into a MethodBinding as
described in the ConfigurableMixin class docstring.
"""
def _get_binding(binding):
if callable(binding):
binding = util.maybeDeferred(binding, ctx)
return binding
def _convert_list(binding):
if isinstance(binding, list):
binding = annotate.MethodBinding(
name, annotate.Method(arguments=[
annotate.Argument(n, v, v.id)
for (n, v) in binding]))
return binding
binding = util.maybeDeferred(getattr, self, 'bind_%s' % name)
return binding.addCallback(_get_binding).addCallback(_convert_list)
def getBinding(self, ctx, name):
"""Massage bind_* methods and attributes into an
IBinding. The bind_* method or attribute can either
already implement IBinding or be a list of twoples
which will be massaged into a MethodBinding as
described in the ConfigurableMixin class docstring.
"""
def _get_binding(binding):
if callable(binding):
binding = util.maybeDeferred(binding, ctx)
return binding
def _convert_list(binding):
if isinstance(binding, list):
binding = annotate.MethodBinding(
name, annotate.Method(arguments=[
annotate.Argument(n, v, v.id)
for (n, v) in binding]))
return binding
binding = util.maybeDeferred(getattr, self, 'bind_%s' % name)
return binding.addCallback(_get_binding).addCallback(_convert_list)
def renderResource(self, u):
request = FakeRequest()
ctx = context.RequestContext(tag=request)
return util.maybeDeferred(inevow.IResource(u).renderHTTP, ctx).addCallback(
lambda r: (r, request.redirected_to))
def finisher(result):
return util.maybeDeferred(finishRequest).addCallback(lambda r: result)
def finisher(result):
request.write(io.getvalue())
return util.maybeDeferred(finishRequest).addCallback(lambda r: result)
def finishRequest():
carryover = request.args.get('_nevow_carryover_', [None])[0]
if carryover is not None and _CARRYOVER.has_key(carryover):
del _CARRYOVER[carryover]
if self.afterRender is not None:
return util.maybeDeferred(self.afterRender,ctx)
def renderHTTP(self, ctx):
if self.beforeRender is not None:
return util.maybeDeferred(self.beforeRender,ctx).addCallback(
lambda result,ctx: self._renderHTTP(ctx),ctx)
return self._renderHTTP(ctx)
def finisher(result):
return util.maybeDeferred(finishRequest).addCallback(
lambda r: result)
def finisher(result):
request.write(io.getvalue())
return util.maybeDeferred(finishRequest).addCallback(
lambda r: result)
def finishRequest():
carryover = request.args.get('_nevow_carryover_', [None])[0]
if carryover is not None and carryover in _CARRYOVER:
del _CARRYOVER[carryover]
if self.afterRender is not None:
return util.maybeDeferred(self.afterRender, ctx)
def renderResource(self, u):
request = FakeRequest()
ctx = context.RequestContext(tag=request)
return util.maybeDeferred(inevow.IResource(u).renderHTTP, ctx).addCallback(
lambda r: (r, request.redirected_to))
def formRenderer(ctx, data):
cf = ctx.locate(iformless.IConfigurableFactory)
return util.maybeDeferred(cf.locateConfigurable, ctx, configurableKey
).addCallback(_formRenderIt)
def _get_binding(binding):
if callable(binding):
binding = util.maybeDeferred(binding, ctx)
return binding
def _get_binding(binding):
if isinstance(binding, collections.Callable):
binding = util.maybeDeferred(binding, ctx)
return binding
def _get_binding(binding):
if isinstance(binding, collections.Callable):
binding = util.maybeDeferred(binding, ctx)
return binding
def formRenderer(ctx, data):
cf = ctx.locate(iformless.IConfigurableFactory)
return util.maybeDeferred(cf.locateConfigurable, ctx,
configurableKey).addCallback(_formRenderIt)
def renderHTTP(self, ctx):
if self.beforeRender is not None:
return util.maybeDeferred(self.beforeRender, ctx).addCallback(
lambda result, ctx: self._renderHTTP(ctx), ctx)
return self._renderHTTP(ctx)
def _get_binding(binding):
if callable(binding):
binding = util.maybeDeferred(binding, ctx)
return binding