def get(self, now=None):
"""Shows template displaying the configured cron jobs."""
if not now:
now = datetime.datetime.now()
values = {'request': self.request}
cron_info = _ParseCronYaml()
values['cronjobs'] = []
values['now'] = str(now)
if cron_info and cron_info.cron:
for entry in cron_info.cron:
job = {}
values['cronjobs'].append(job)
if entry.description:
job['description'] = entry.description
else:
job['description'] = '(no description)'
if entry.timezone:
job['timezone'] = entry.timezone
job['url'] = entry.url
job['schedule'] = entry.schedule
schedule = groctimespecification.GrocTimeSpecification(
entry.schedule)
matches = schedule.GetMatches(now, 3)
job['times'] = []
for match in matches:
job['times'].append({
'runtime':
match.strftime("%Y-%m-%d %H:%M:%SZ"),
'difference':
str(match - now)
})
self.generate('cron.html', values)
def Validate(self, value, key=None):
"""Validates a schedule."""
if value is None:
raise validation.MissingAttribute('schedule must be specified')
if not isinstance(value, basestring):
raise TypeError('schedule must be a string, not \'%r\''%type(value))
try:
groctimespecification.GrocTimeSpecification(value)
except groc.GrocException, e:
raise validation.ValidationError('schedule \'%s\' failed to parse: %s'%(
value, e.args[0]))
def _ValidateCronEntry(self, cron):
if not cron.url:
return 'No URL for <cron> entry'
if not cron.schedule:
return "No schedule provided for <cron> entry with URL '%s'" % cron.url
try:
groctimespecification.GrocTimeSpecification(cron.schedule)
except groc.GrocException:
return ("Text '%s' in <schedule> node failed to parse,"
' for <cron> entry with url %s.' %
(cron.schedule, cron.url))
def _get_cron_jobs(self):
cron_info = self._parse_cron_yaml()
if not cron_info or not cron_info.cron:
return []
jobs = []
for entry in cron_info.cron:
job = entry.ToDict()
if not entry.timezone or pytz:
now = datetime.datetime.utcnow()
schedule = groctimespecification.GrocTimeSpecification(
entry.schedule, entry.timezone)
matches = schedule.GetMatches(now, 3)
job['times'] = []
for match in matches:
job['times'].append(
{'runtime': match.strftime('%Y-%m-%d %H:%M:%SZ'),
'difference': str(match - now)})
jobs.append(job)
return jobs
