def process(self, csvfile, update=False):
"""Process the input file, validate and
create the users.
"""
data = tablib.Dataset()
try:
data.csv = csvfile
except tablib.core.InvalidDimensions:
return self._show_message_redirect(
_("File incorrectly formatted.")
)
try:
self.validate(data)
except custom_exc.MissingCoreFields as e:
return self._show_message_redirect(_(e.message))
except custom_exc.ExtraneousFields as e:
return self._show_message_redirect(_(e.message))
except tablib.core.HeadersNeeded as e:
return self._show_message_redirect(_(e.message))
message_type = 'error'
try:
count = self.create_update_users(data, update)
except custom_exc.DuplicateUser as e:
message = _(
u"{} on row {}".format(
e.message, e.details['row'])
)
except custom_exc.RequiredMissing as e:
message = _(
u"Missing required field {} on row {}".format(
e.message, e.details['row'])
)
except custom_exc.ConstraintNotSatisfied as e:
message = _(
u"Constraint not satisfied for {} at row {}.".format(
e.details['field'], e.details['row'])
)
except custom_exc.WrongType as e:
message = _(
u"Wrong type for {} at row {}.".format(
e.details['field'], e.details['row'])
)
else:
message_type = 'info'
verb = update and "Updated" or "Created"
message = _(u"{} user(s) {}.".format(count, verb))
if message_type == 'error':
transaction.abort()
api.portal.show_message(
message=message,
request=self.request,
type=message_type,
)
return self._redirect()
