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community.general/plugins/filter/time.py

143 lines
4.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (c) 2020, René Moser <mail@renemoser.net>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import re
from ansible.errors import AnsibleFilterError
UNIT_FACTORS = {
'ms': [],
's': [1000],
'm': [1000, 60],
'h': [1000, 60, 60],
'd': [1000, 60, 60, 24],
'w': [1000, 60, 60, 24, 7],
'mo': [1000, 60, 60, 24, 30],
'y': [1000, 60, 60, 24, 365],
}
UNIT_TO_SHORT_FORM = {
'millisecond': 'ms',
'msec': 'ms',
'msecond': 'ms',
'sec': 's',
'second': 's',
'hour': 'h',
'min': 'm',
'minute': 'm',
'day': 'd',
'week': 'w',
'month': 'mo',
'year': 'y',
}
def multiply(factors):
result = 1
for factor in factors:
result = result * factor
return result
def to_time_unit(human_time, unit='ms', **kwargs):
''' Return a time unit from a human readable string '''
unit_to_short_form = UNIT_TO_SHORT_FORM
unit_factors = UNIT_FACTORS
unit = unit_to_short_form.get(unit.rstrip('s'), unit)
if unit not in unit_factors:
raise AnsibleFilterError("to_time_unit() can not convert to the following unit: %s. "
"Available units (singular or plural): %s. "
"Available short units: %s"
% (unit, ', '.join(unit_to_short_form.keys()), ', '.join(unit_factors.keys())))
if 'year' in kwargs:
unit_factors['y'] = unit_factors['y'][:-1] + [kwargs.pop('year')]
if 'month' in kwargs:
unit_factors['mo'] = unit_factors['mo'][:-1] + [kwargs.pop('month')]
if kwargs:
raise AnsibleFilterError('to_time_unit() got unknown keyword arguments: %s' % ', '.join(kwargs.keys()))
result = 0
for h_time_string in human_time.split():
res = re.match(r'(-?\d+)(\w+)', h_time_string)
if not res:
raise AnsibleFilterError(
"to_time_unit() can not interpret following string: %s" % human_time)
h_time_int = int(res.group(1))
h_time_unit = res.group(2)
h_time_unit = unit_to_short_form.get(h_time_unit.rstrip('s'), h_time_unit)
if h_time_unit not in unit_factors:
raise AnsibleFilterError(
"to_time_unit() can not interpret following string: %s" % human_time)
time_in_milliseconds = h_time_int * multiply(unit_factors[h_time_unit])
result += time_in_milliseconds
return round(result / multiply(unit_factors[unit]), 12)
def to_milliseconds(human_time, **kwargs):
''' Return milli seconds from a human readable string '''
return to_time_unit(human_time, 'ms', **kwargs)
def to_seconds(human_time, **kwargs):
''' Return seconds from a human readable string '''
return to_time_unit(human_time, 's', **kwargs)
def to_minutes(human_time, **kwargs):
''' Return minutes from a human readable string '''
return to_time_unit(human_time, 'm', **kwargs)
def to_hours(human_time, **kwargs):
''' Return hours from a human readable string '''
return to_time_unit(human_time, 'h', **kwargs)
def to_days(human_time, **kwargs):
''' Return days from a human readable string '''
return to_time_unit(human_time, 'd', **kwargs)
def to_weeks(human_time, **kwargs):
''' Return weeks from a human readable string '''
return to_time_unit(human_time, 'w', **kwargs)
def to_months(human_time, **kwargs):
''' Return months from a human readable string '''
return to_time_unit(human_time, 'mo', **kwargs)
def to_years(human_time, **kwargs):
''' Return years from a human readable string '''
return to_time_unit(human_time, 'y', **kwargs)
class FilterModule(object):
''' Ansible time jinja2 filters '''
def filters(self):
filters = {
'to_time_unit': to_time_unit,
'to_milliseconds': to_milliseconds,
'to_seconds': to_seconds,
'to_minutes': to_minutes,
'to_hours': to_hours,
'to_days': to_days,
'to_weeks': to_weeks,
'to_months': to_months,
'to_years': to_years,
}
return filters