def _RequestEachItem(title, items, request_callback):
'''Runs a task |request_callback| named |title| for each item in |items|.
|request_callback| must take an item and return a servlet response.
Returns true if every item was successfully run, false if any return a
non-200 response or raise an exception.
'''
_cronlog.info('%s: starting', title)
success_count, failure_count = 0, 0
timer = Timer()
try:
for i, item in enumerate(items):
def error_message(detail):
return '%s: error rendering %s (%s of %s): %s' % (
title, item, i + 1, len(items), detail)
try:
response = request_callback(item)
if response.status == 200:
success_count += 1
else:
_cronlog.error(
error_message('response status %s' % response.status))
failure_count += 1
except Exception as e:
_cronlog.error(error_message(traceback.format_exc()))
failure_count += 1
if IsDeadlineExceededError(e): raise
finally:
_cronlog.info('%s: rendered %s of %s with %s failures in %s', title,
success_count, len(items), failure_count,
timer.Stop().FormatElapsed())
return success_count == len(items)
def resolve():
resolve_timer = Timer()
try:
future.Get()
except Exception as e:
_cronlog.error('%s: error %s' %
(title, traceback.format_exc()))
results.append(False)
if IsDeadlineExceededError(e): raise
finally:
resolve_timer.Stop()
_cronlog.info(
'%s took %s: %s to initialize and %s to resolve' %
(title,
init_timer.With(resolve_timer).FormatElapsed(),
init_timer.FormatElapsed(),
resolve_timer.FormatElapsed()))