class ExceptionView(object):
""" Exception view, for error messages.
Note that context might not be related to what caused the error.
"""
def __init__(self, exception, request):
self.exception = exception
self.context = request.context
self.request = request
self.api = APIView(request.context, request)
@view_config(context=HTTPForbidden, permission=NO_PERMISSION_REQUIRED)
def forbidden_view(self):
""" I.e. 403. If it is a xhr request return Forbidden else
find first context where user has view permission
if they're logged in, otherwise redirect to login form.
"""
if self.request.is_xhr:
return HTTPForbidden(self.exception.detail)
self.api.flash_messages.add(self.exception.detail,
type='error',
close_button=False)
# is user logged in
if self.api.userid:
obj = self.context
while obj.__parent__:
if self.api.context_has_permission(security.VIEW, obj):
url = resource_url(obj, self.request)
return HTTPFound(location=url)
obj = obj.__parent__
return HTTPFound(location=self.request.application_url)
#Redirect to login
return HTTPFound(location="%s/login?came_from=%s" %
(self.request.application_url, self.request.url))
@view_config(context=HTTPNotFound, permission=NO_PERMISSION_REQUIRED)
def not_found_view(self):
""" I.e. 404. If it is a xhr request return NotFound else
find first context where user has view permission
"""
err_msg = _(
u"404_error_msg",
default=
u"Can't find anything at '${path}'. Maybe it has been removed?",
mapping={'path': self.exception.detail})
if self.request.is_xhr:
return HTTPNotFound(err_msg)
self.api.flash_messages.add(err_msg, type='error', close_button=False)
return HTTPFound(location=_find_good_redirect_url(
self.context, self.request, self.api))
@view_config(context=SMTPError, permission=NO_PERMISSION_REQUIRED)
def smtp_error_view(self):
""" SMTP connection error caused during transaction commits.
Note that the SMTP action is performed after the request has completed.
In other words, things may be committed to database even though send failed.
"""
if self.request.is_xhr:
raise self.exception
exc_txt = unicode(self.exception)
err_msg = _(u"smtp_error_msg",
default=u"There was an error while sending mail. "
u"Error was: ${exc_txt}",
mapping={'exc_txt': exc_txt})
self.api.flash_messages.add(err_msg, type='error')
logger.critical("SMTP exception: %s" % exc_txt)
return HTTPFound(location=_find_good_redirect_url(
self.context, self.request, self.api))
class ExceptionView(object):
""" Exception view, for error messages.
Note that context might not be related to what caused the error.
"""
def __init__(self, exception, request):
self.exception = exception
self.context = request.context
self.request = request
self.api = APIView(request.context, request)
@view_config(context=HTTPForbidden, permission=NO_PERMISSION_REQUIRED)
def forbidden_view(self):
""" I.e. 403. If it is a xhr request return Forbidden else
find first context where user has view permission
if they're logged in, otherwise redirect to login form.
"""
if self.request.is_xhr:
return HTTPForbidden(self.exception.detail)
self.api.flash_messages.add(self.exception.detail,
type = 'error',
close_button = False)
# is user logged in
if self.api.userid:
obj = self.context
while obj.__parent__:
if self.api.context_has_permission(security.VIEW, obj):
url = self.request.resource_url(obj)
return HTTPFound(location = url)
obj = obj.__parent__
return HTTPFound(location = self.request.application_url)
#Redirect to login
return HTTPFound(location="%s/login?came_from=%s" %(self.request.application_url, self.request.url))
@view_config(context = HTTPNotFound, permission = NO_PERMISSION_REQUIRED)
def not_found_view(self):
""" I.e. 404. If it is a xhr request return NotFound else
find first context where user has view permission
"""
err_msg = _(u"404_error_msg",
default = u"Can't find anything at '${path}'. Maybe it has been removed?",
mapping = {'path': self.exception.detail})
if self.request.is_xhr:
return HTTPNotFound(err_msg)
self.api.flash_messages.add(err_msg,
type = 'error',
close_button = False)
return HTTPFound(location = _find_good_redirect_url(self.context, self.request, self.api))
@view_config(context = SMTPError, permission = NO_PERMISSION_REQUIRED)
def smtp_error_view(self):
""" SMTP connection error caused during transaction commits.
Note that the SMTP action is performed after the request has completed.
In other words, things may be committed to database even though send failed.
"""
if self.request.is_xhr:
raise self.exception
exc_txt = unicode(self.exception)
err_msg = _(u"smtp_error_msg",
default = u"There was an error while sending mail. "
u"Error was: ${exc_txt}",
mapping = {'exc_txt': exc_txt})
self.api.flash_messages.add(err_msg,
type = 'error')
logger.critical("SMTP exception: %s" % exc_txt)
return HTTPFound(location = _find_good_redirect_url(self.context, self.request, self.api))
@view_config(context = HTTPError, permission = NO_PERMISSION_REQUIRED, renderer = "voteit.core:views/templates/exception.pt")
def error_view(self):
""" More chatty http-errors that users might need to understand.
Will also catch CSRF errors.
"""
if self.request.is_xhr:
raise self.exception
return {'exc': self.exception, 'api': self.api}
