def page_content(self):
"""Get traversable content providers for the context.
Say, we have a viewlet manager named ExtraInfo, registered for persons.
As viewlet managers implement IContentProvider, we can do:
<div tal:repeat="person view/persons">
<p tal:content="person/title"></p>
<div tal:replace="structure person/schooltool:page_content/ExtraInfo"></div>
</div>
"""
if self.engine is None:
return None
vars = self.engine.vars
context = self.context
request = vars.get('request', None)
page = view = vars.get('view', None)
while (page is not None and
not IPageBase.providedBy(page)):
page = getattr(page, '__parent__', None)
if page is None:
page = view
while (page is not None and
not IBrowserPage.providedBy(page)):
page = getattr(page, '__parent__', None)
providers = queryMultiAdapter(
(context, request, page),
IContentProviders)
if ITALESFunctionNamespace.providedBy(providers):
providers.setEngine(self.engine)
return providers
def render_error(self, error, last_known_obj):
"""Render and log an error.
"""
if IBrowserPage.providedBy(last_known_obj):
#of the last obj is a view, use it's context (which should be
# an IAcquirer)
last_known_obj = last_known_obj.context
if not IAcquirer.providedBy(last_known_obj):
last_known_site = getSite()
if last_known_site is not None:
last_known_obj = last_known_site
context = DefaultError(error)
if IAcquirer.providedBy(last_known_obj):
context = context.__of__(last_known_obj)
error_view = queryMultiAdapter(
(context, self.request), name='error.html')
if IBrowserPublisher.providedBy(error_view):
error_view, error_path = error_view.browserDefault(self.request)
if error_path:
raise NotImplementedError(
u'Error browserDefault retuned an path. '
u'This is not implemented.')
if error_view is not None:
notify(interfaces.PublicationBeforeError(
self.request, last_known_obj))
try:
error_result = error_view()
if error_result is not None:
self.response.setBody(error_result)
notify(interfaces.PublicationAfterRender(
self.request, error_view))
except Exception:
log_last_error(
self.request, self.response, obj=last_known_obj,
extra=u"Error while rendering error message")
self.response.setStatus(500)
self.response.setBody(ERROR_WHILE_RENDERING_ERROR_TEMPLATE)
else:
logger.error('No action defined for last exception')
self.response.setStatus(500)
self.response.setBody(DEFAULT_ERROR_TEMPLATE)
def publish(
request,
module_name,
after_list,
debug=0,
# Optimize:
call_object=call_object,
missing_name=missing_name,
dont_publish_class=dont_publish_class,
mapply=mapply,
):
(bobo_before, bobo_after, object, realm, debug_mode, err_hook,
validated_hook, transactions_manager) = get_module_info(module_name)
parents = None
response = None
try:
notify(pubevents.PubStart(request))
# TODO pass request here once BaseRequest implements IParticipation
newInteraction()
request.processInputs()
request_get = request.get
response = request.response
# First check for "cancel" redirect:
if request_get('SUBMIT', '').strip().lower() == 'cancel':
cancel = request_get('CANCEL_ACTION', '')
if cancel:
# Relative URLs aren't part of the spec, but are accepted by
# some browsers.
for part, base in zip(
urlparse(cancel)[:3],
urlparse(request['BASE1'])[:3]):
if not part:
continue
if not part.startswith(base):
cancel = ''
break
if cancel:
raise Redirect(cancel)
after_list[0] = bobo_after
if debug_mode:
response.debug_mode = debug_mode
if realm and not request.get('REMOTE_USER', None):
response.realm = realm
noSecurityManager()
if bobo_before is not None:
bobo_before()
# Get the path list.
# According to RFC1738 a trailing space in the path is valid.
path = request_get('PATH_INFO')
request['PARENTS'] = parents = [object]
if transactions_manager:
transactions_manager.begin()
object = request.traverse(path, validated_hook=validated_hook)
if IBrowserPage.providedBy(object):
request.postProcessInputs()
notify(pubevents.PubAfterTraversal(request))
if transactions_manager:
recordMetaData(object, request)
result = mapply(object,
request.args,
request,
call_object,
1,
missing_name,
dont_publish_class,
request,
bind=1)
if result is not response:
response.setBody(result)
notify(pubevents.PubBeforeCommit(request))
if transactions_manager:
transactions_manager.commit()
notify(pubevents.PubSuccess(request))
endInteraction()
return response
except:
# save in order to give 'PubFailure' the original exception info
exc_info = sys.exc_info()
# DM: provide nicer error message for FTP
sm = None
if response is not None:
sm = getattr(response, "setMessage", None)
if sm is not None:
from asyncore import compact_traceback
cl, val = sys.exc_info()[:2]
sm('%s: %s %s' % (getattr(cl, '__name__', cl), val,
debug_mode and compact_traceback()[-1] or ''))
# debug is just used by tests (has nothing to do with debug_mode!)
if not debug and err_hook is not None:
retry = False
if parents:
parents = parents[0]
try:
try:
return err_hook(
parents,
request,
sys.exc_info()[0],
sys.exc_info()[1],
sys.exc_info()[2],
)
except Retry:
if not request.supports_retry():
return err_hook(
parents,
request,
sys.exc_info()[0],
sys.exc_info()[1],
sys.exc_info()[2],
)
retry = True
finally:
# Note: 'abort's can fail.
# Nevertheless, we want end request handling.
try:
try:
notify(
pubevents.PubBeforeAbort(request, exc_info, retry))
finally:
if transactions_manager:
transactions_manager.abort()
finally:
endInteraction()
notify(pubevents.PubFailure(request, exc_info, retry))
# Only reachable if Retry is raised and request supports retry.
newrequest = request.retry()
request.close() # Free resources held by the request.
# Set the default layer/skin on the newly generated request
if ISkinnable.providedBy(newrequest):
setDefaultSkin(newrequest)
try:
return publish(newrequest, module_name, after_list, debug)
finally:
newrequest.close()
else:
# Note: 'abort's can fail.
# Nevertheless, we want end request handling.
try:
try:
notify(pubevents.PubBeforeAbort(request, exc_info, False))
finally:
if transactions_manager:
transactions_manager.abort()
finally:
endInteraction()
notify(pubevents.PubFailure(request, exc_info, False))
raise
def publish(
request,
module_name,
after_list,
debug=0,
# Optimize:
call_object=call_object,
missing_name=missing_name,
dont_publish_class=dont_publish_class,
mapply=mapply,
):
(
bobo_before,
bobo_after,
object,
realm,
debug_mode,
err_hook,
validated_hook,
transactions_manager,
) = get_module_info(module_name)
parents = None
response = None
try:
notify(PubStart(request))
# TODO pass request here once BaseRequest implements IParticipation
newInteraction()
request.processInputs()
request_get = request.get
response = request.response
# First check for "cancel" redirect:
if request_get("SUBMIT", "").strip().lower() == "cancel":
cancel = request_get("CANCEL_ACTION", "")
if cancel:
# Relative URLs aren't part of the spec, but are accepted by
# some browsers.
for part, base in zip(urlparse(cancel)[:3], urlparse(request["BASE1"])[:3]):
if not part:
continue
if not part.startswith(base):
cancel = ""
break
if cancel:
raise Redirect, cancel
after_list[0] = bobo_after
if debug_mode:
response.debug_mode = debug_mode
if realm and not request.get("REMOTE_USER", None):
response.realm = realm
if bobo_before is not None:
bobo_before()
# Get the path list.
# According to RFC1738 a trailing space in the path is valid.
path = request_get("PATH_INFO")
request["PARENTS"] = parents = [object]
if transactions_manager:
transactions_manager.begin()
object = request.traverse(path, validated_hook=validated_hook)
if IBrowserPage.providedBy(object):
request.postProcessInputs()
notify(PubAfterTraversal(request))
if transactions_manager:
transactions_manager.recordMetaData(object, request)
result = mapply(
object, request.args, request, call_object, 1, missing_name, dont_publish_class, request, bind=1
)
if result is not response:
response.setBody(result)
notify(PubBeforeCommit(request))
if transactions_manager:
transactions_manager.commit()
endInteraction()
notify(PubSuccess(request))
return response
except:
# save in order to give 'PubFailure' the original exception info
exc_info = sys.exc_info()
# DM: provide nicer error message for FTP
sm = None
if response is not None:
sm = getattr(response, "setMessage", None)
if sm is not None:
from asyncore import compact_traceback
cl, val = sys.exc_info()[:2]
sm("%s: %s %s" % (getattr(cl, "__name__", cl), val, debug_mode and compact_traceback()[-1] or ""))
# debug is just used by tests (has nothing to do with debug_mode!)
if not debug and err_hook is not None:
retry = False
if parents:
parents = parents[0]
try:
try:
return err_hook(parents, request, sys.exc_info()[0], sys.exc_info()[1], sys.exc_info()[2])
except Retry:
if not request.supports_retry():
return err_hook(parents, request, sys.exc_info()[0], sys.exc_info()[1], sys.exc_info()[2])
retry = True
finally:
# Note: 'abort's can fail. Nevertheless, we want end request handling
try:
try:
notify(PubBeforeAbort(request, exc_info, retry))
finally:
if transactions_manager:
transactions_manager.abort()
finally:
endInteraction()
notify(PubFailure(request, exc_info, retry))
# Only reachable if Retry is raised and request supports retry.
newrequest = request.retry()
request.close() # Free resources held by the request.
# Set the default layer/skin on the newly generated request
if ISkinnable.providedBy(newrequest):
setDefaultSkin(newrequest)
try:
return publish(newrequest, module_name, after_list, debug)
finally:
newrequest.close()
else:
# Note: 'abort's can fail. Nevertheless, we want end request handling
try:
try:
notify(PubBeforeAbort(request, exc_info, False))
finally:
if transactions_manager:
transactions_manager.abort()
finally:
endInteraction()
notify(PubFailure(request, exc_info, False))
raise
def publish(request, module_name, after_list, debug=0,
# Optimize:
call_object=call_object,
missing_name=missing_name,
dont_publish_class=dont_publish_class,
mapply=mapply,
):
(bobo_before, bobo_after, object, realm, debug_mode, err_hook,
validated_hook, transactions_manager)= get_module_info(module_name)
parents=None
response=None
try:
time_started = time.clock()
notify(PubStart(request))
# TODO pass request here once BaseRequest implements IParticipation
newInteraction()
request.processInputs()
request_get=request.get
response=request.response
# First check for "cancel" redirect:
if request_get('SUBMIT','').strip().lower()=='cancel':
cancel=request_get('CANCEL_ACTION','')
if cancel:
raise Redirect, cancel
after_list[0]=bobo_after
if debug_mode:
response.debug_mode=debug_mode
if realm and not request.get('REMOTE_USER',None):
response.realm=realm
if bobo_before is not None:
bobo_before()
# Get the path list.
# According to RFC1738 a trailing space in the path is valid.
path=request_get('PATH_INFO')
request['PARENTS']=parents=[object]
if transactions_manager:
transactions_manager.begin()
object=request.traverse(path, validated_hook=validated_hook)
if IBrowserPage.providedBy(object):
request.postProcessInputs()
notify(PubAfterTraversal(request))
if transactions_manager:
transactions_manager.recordMetaData(object, request)
result=mapply(object, request.args, request,
call_object,1,
missing_name,
dont_publish_class,
request, bind=1)
if result is not response:
response.setBody(result)
notify(PubBeforeCommit(request))
if transactions_manager:
transactions_manager.commit()
endInteraction()
notify(PubSuccess(request))
if Globals.DevelopmentMode and not path.endswith( ( '.css', '.js', '.kss', '.png', '.gif', '.jpg' ) ):
LOG.info('Request: ' + str(int((time.clock() - time_started)*1000)).rjust(4) + 'ms @ ' + path)
return response
except:
# save in order to give 'PubFailure' the original exception info
exc_info = sys.exc_info()
# DM: provide nicer error message for FTP
sm = None
if response is not None:
sm = getattr(response, "setMessage", None)
if sm is not None:
from asyncore import compact_traceback
cl,val= sys.exc_info()[:2]
sm('%s: %s %s' % (
getattr(cl,'__name__',cl), val,
debug_mode and compact_traceback()[-1] or ''))
# debug is just used by tests (has nothing to do with debug_mode!)
if not debug and err_hook is not None:
retry = False
if parents:
parents=parents[0]
try:
try:
return err_hook(parents, request,
sys.exc_info()[0],
sys.exc_info()[1],
sys.exc_info()[2],
)
except Retry:
if not request.supports_retry():
return err_hook(parents, request,
sys.exc_info()[0],
sys.exc_info()[1],
sys.exc_info()[2],
)
retry = True
finally:
# Note: 'abort's can fail. Nevertheless, we want end request handling
try:
try:
notify(PubBeforeAbort(request, exc_info, retry))
finally:
if transactions_manager:
transactions_manager.abort()
finally:
endInteraction()
notify(PubFailure(request, exc_info, retry))
# Only reachable if Retry is raised and request supports retry.
newrequest=request.retry()
request.close() # Free resources held by the request.
# Set the default layer/skin on the newly generated request
if ISkinnable.providedBy(newrequest):
setDefaultSkin(newrequest)
try:
return publish(newrequest, module_name, after_list, debug)
finally:
newrequest.close()
else:
# Note: 'abort's can fail. Nevertheless, we want end request handling
try:
try:
notify(PubBeforeAbort(request, exc_info, False))
finally:
if transactions_manager:
transactions_manager.abort()
finally:
endInteraction()
notify(PubFailure(request, exc_info, False))
raise
