def get_timestamp(context, formatting=None):
"""Get timestamp matching context modification date"""
if formatting == 'iso':
format_func = datetime.isoformat
else:
format_func = datetime.timestamp
zdc = IZopeDublinCore(context, None)
if zdc is not None:
return format_func(tztime(zdc.modified))
return format_func(tztime(datetime.utcnow()))
def check_history(self, duration, length):
"""Check history container contents"""
if duration:
now = tztime(datetime.utcnow())
for key in list(self.keys()):
if (now - tztime(self[key].date)).days > duration:
del self[key]
if length and (len(self) > length):
keys = sorted(self.keys(), reverse=True)[:length]
for key in list(self.keys()):
if key not in keys:
del self[key]
def get_metas(self):
"""Metas getter"""
config = IZMIConfiguration(self.request.root, None)
if (config is not None) and (config.favicon is not None):
icon = config.favicon
icon_url = absolute_url(icon, self.request)
icon_size = icon.get_image_size()[0] # pylint: disable=no-member
dc = IZopeDublinCore(icon) # pylint: disable=invalid-name
timestamp = datetime.timestamp(tztime(dc.modified))
for size in (180, 144, 114, 72, 32, 16):
if icon_size >= size:
yield LinkMeta(
'apple-touch-icon',
type=icon.content_type, # pylint: disable=no-member
href=THUMB_HREF_STR.format(icon_url, size, size,
timestamp),
sizes='{0}x{0}'.format(size))
for size in (128, 124, 32):
if icon_size >= size:
yield LinkMeta(
'icon',
type=icon.content_type, # pylint: disable=no-member
href=THUMB_HREF_STR.format(icon_url, size, size,
timestamp),
sizes='{0}x{0}'.format(size))
yield LinkMeta('shortcut-icon',
type=icon.content_type,
href=icon_url) # pylint: disable=no-member
def get_trigger(self, task):
"""Get loop interval trigger"""
if not self.marker_interface.providedBy(task):
raise Exception(
_("Task is not configured for loop-style scheduling!"))
info = self.schema(task, None)
if info is None:
return None
return IntervalTrigger(
weeks=info.weeks,
days=info.days,
hours=info.hours,
minutes=info.minutes,
seconds=info.seconds,
start_date=tztime(date_to_datetime(info.start_date)),
end_date=tztime(date_to_datetime(info.end_date)))
def _log_report(report, message, add_timestamp=True, level=logging.INFO):
"""Execution log report"""
if isinstance(message, bytes):
message = message.decode()
if add_timestamp:
message = '{0} - {1}'.format(tztime(datetime.utcnow()).strftime('%c'), message)
if report is not None:
report.write(message + '\n')
LOGGER.log(level, message)
def get_trigger(self, task):
"""Get date trigger"""
if not self.marker_interface.providedBy(task):
raise Exception(
_("Task is not configured for date-style scheduling!"))
info = self.schema(task, None)
if info is None:
return None
return DateTrigger(run_date=tztime(date_to_datetime(info.start_date)))
def _log_exception(report, message=None):
"""Exception log report"""
if isinstance(message, bytes):
message = message.decode()
message = '{0} - {1}'.format(tztime(datetime.utcnow()).strftime('%c'),
message or 'An error occurred') + '\n\n'
if report is not None:
report.write(message)
report.write(traceback.format_exc() + '\n')
LOGGER.exception(message)
def publication(self):
"""Publication label used to display workflow publication state"""
request = check_request()
translate = request.localizer.translate
sm = get_utility(ISecurityManager) # pylint: disable=invalid-name
return translate(_('{date} by {principal}')).format(
date=format_datetime(tztime(
IWorkflowPublicationInfo(self).publication_date),
request=request),
principal=translate(sm.get_principal(self.publisher).title))
def get_trigger(self, task):
"""Get cron-like task trigger"""
if not self.marker_interface.providedBy(task):
raise Exception(
_("Task is not configured for cron-style scheduling!"))
info = self.schema(task, None)
if info is None:
return None
return CronTrigger(year=info.year or '*',
month=info.month or '*',
day=info.day or '*',
week=info.week or '*',
day_of_week=info.day_of_week or '*',
hour=info.hour or '*',
minute=info.minute or '*',
second=info.second or '0',
start_date=tztime(date_to_datetime(
info.start_date)),
end_date=tztime(date_to_datetime(info.end_date)))
def is_published(self, check_parent=True):
"""Check if content is published"""
# check is parent is also published...
if check_parent:
parent = get_parent(self.__parent__,
IWorkflowPublicationSupport,
allow_context=False)
if (parent is not None
) and not IWorkflowPublicationInfo(parent).is_published():
return False
# associated workflow?
workflow = IWorkflow(self.__parent__, None)
if (workflow is not None) and not workflow.visible_states:
return False
# check content versions
versions = IWorkflowVersions(self.__parent__, None)
if (versions is not None) and not versions.get_versions(
workflow.visible_states):
return False
now = tztime(datetime.utcnow())
return (self.publication_effective_date is not None) and \
(self.publication_effective_date <= now) and \
((self.publication_expiration_date is None) or
(self.publication_expiration_date >= now))
def format_date(value, format_string=EXT_DATE_FORMAT, request=None):
"""Format given date with the given format
:param datetime value: the value to format
:param str format_string: a format string to use by `strftime` function
:param request: the request from which to extract localization info for translation
:return: str; input datetime converted to given format
>>> from datetime import datetime
>>> from pyams_utils.date import format_date, SH_DATE_FORMAT
>>> value = datetime(2016, 11, 15, 10, 13, 12)
>>> format_date(value)
'on 15/11/2016'
>>> format_date(value, SH_DATE_FORMAT)
'15/11/2016'
>>> format_date(None)
'--'
"""
if not value:
return '--'
if request is None:
request = check_request()
localizer = request.localizer
return datetime.strftime(tztime(value), localizer.translate(format_string))
def to_field_value(self, value):
if not value:
return None
return tztime(parse_date(value))
def to_widget_value(self, value):
if not value:
return None
return tztime(value).isoformat()
