def getMailTemplate(self, obj, what, ec_bindings=None):
"""Return the template to notify for the ``what`` of an object
``obj``, ``what`` being one of the implemented notification
("*item_modification*", "*wf_transition*", etc.), or ``None``
if none could be found.
``ec_bindings`` is a mapping which is injected into the
expression context of the expression of the rules.
"""
rules = self.getProperty('on_%s_mail_template' % what, None)
if rules is None:
raise NotImplementedError, \
'Notification on "%s" is not implemented.'
ec = getExpressionContext(obj, ec_bindings)
template = None
for rule in rules:
try:
match_expr, template_expr = rule.split(RULE_DELIMITER)
match_expr, template_expr = match_expr.strip(), template_expr.strip()
except ValueError:
LOG.error("'%s' is not a valid rule "\
"('on_%s_mail_template' on '%s')",
rule, what, obj.absolute_url(1))
continue
match_expr = match_expr.strip()
template_expr = template_expr.strip()
try:
if not self._match(match_expr, ec):
continue
except ConflictError:
raise
except:
LOG.error("Error in 'on_%s_mail_template' rule "\
"('%s') for '%s'",
what, match_expr, obj.absolute_url(1),
exc_info=True)
continue
try:
template = Expression(template_expr)(ec)
except ConflictError:
raise
except:
LOG.error("Error in 'on_%s_mail_template' rule "\
"('%s') for '%s'",
what, template_expr, obj.absolute_url(1),
exc_info=True)
continue
if type(template) == StringType:
template = getattr(obj, template, None)
if template is not None:
break
return template
def getUsersToNotify(self, obj, what, ec_bindings=None):
"""Return a list of users to notify for the ``what`` of an object
``obj``, ``what`` being one of the implemented notification
("*item_modification*", "*wf_transition*", etc.).
``ec_bindings`` is a mapping which is injected into the
expression context of the expression of the rules.
"""
rules = self.getProperty('on_%s_users' % what, None)
if rules is None:
raise NotImplementedError, \
'Notification on "%s" is not implemented.' % what
ec = getExpressionContext(obj, ec_bindings)
users = []
for rule in rules:
try:
match_expr, users_expr = rule.split(RULE_DELIMITER)
match_expr, users_expr = match_expr.strip(), users_expr.strip()
except ValueError:
LOG.error("'%s' is not a valid rule "\
"('on_%s_users' on '%s')",
rule, what, obj.absolute_url(1))
continue
match_expr = match_expr.strip()
users_expr = users_expr.strip()
try:
if not self._match(match_expr, ec):
continue
except ConflictError:
raise
except:
LOG.error("Error in 'on_%s_users' rule "\
"('%s') for '%s'",
what, match_expr, obj.absolute_url(1),
exc_info=True)
continue
if users_expr == '*':
users.extend(self.getAllUsers())
break
else:
try:
users.extend(Expression(users_expr)(ec))
except ConflictError:
raise
except:
LOG.error("Error in 'on_%s_users' rule "\
"('%s') for '%s'",
what, users_expr, obj.absolute_url(1),
exc_info=True)
return users
def ignoreNotification(self, obj):
"""Return ``True`` iff notification have been set to be ignored for
``obj``.
"""
ec = getExpressionContext(obj)
users = []
for match_expr in self.getProperty('ignore_rules', ()):
try:
if self._match(match_expr, ec):
return True
except ConflictError:
raise
except:
LOG.error("Error in 'ignore_rules' rule "\
"('%s') for '%s'",
match_expr, obj.absolute_url(1),
exc_info=True)
return False