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# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
import datetime
import gettext
import locale
from collections import OrderedDict
__all__ = ['format', 'parse']
_ = gettext.gettext
DEFAULT_CONVERTER = {
's': 1,
}
DEFAULT_CONVERTER['m'] = DEFAULT_CONVERTER['s'] * 60
DEFAULT_CONVERTER['h'] = DEFAULT_CONVERTER['m'] * 60
DEFAULT_CONVERTER['d'] = DEFAULT_CONVERTER['h'] * 24
DEFAULT_CONVERTER['w'] = DEFAULT_CONVERTER['d'] * 7
DEFAULT_CONVERTER['M'] = DEFAULT_CONVERTER['d'] * 30
DEFAULT_CONVERTER['Y'] = DEFAULT_CONVERTER['d'] * 365
def _get_separators():
return OrderedDict([
('Y', _('Y')),
('M', _('M')),
('w', _('w')),
('d', _('d')),
('h', _('h')),
('m', _('m')),
('s', _('s')),
])
def format(value, converter=None):
'Convert timedelta to text'
if value is None:
return ''
if not converter:
converter = DEFAULT_CONVERTER
text = []
value = value.total_seconds()
sign = ''
if value < 0:
sign = '-'
value = abs(value)
converter = [(k, converter.get(k)) for k in _get_separators()]
values = []
for k, v in converter:
if v:
part = value // v
value -= part * v
values.append(part)
else:
values.append(0)
for (k, _), v in zip(converter[:-3], values):
if v:
text.append(
locale.format_string('%d', v, True) + _get_separators()[k])
if any(values[-3:]) or not text:
time = '%02d:%02d' % tuple(values[-3:-1])
if values[-1] or value:
time += ':%02d' % values[-1]
text.append(time)
text = sign + ' '.join(text)
if value:
if not any(values[-3:]):
# Add space if no time
text += ' '
text += locale.format_string('%.6f', value)[1:]
return text
def parse(text, converter=None):
if not text:
return
if not converter:
converter = DEFAULT_CONVERTER
for separator in list(_get_separators().values()):
text = text.replace(separator, separator + ' ')
seconds = 0
for part in text.split():
if ':' in part:
for t, v in zip(part.split(':'),
[converter['h'], converter['m'], converter['s']]):
try:
seconds += abs(locale.atof(t)) * v
except ValueError:
pass
else:
for key, separator in list(_get_separators().items()):
if part.endswith(separator):
part = part[:-len(separator)]
try:
seconds += abs(locale.atof(part)) * converter[key]
except ValueError:
pass
break
else:
try:
seconds += abs(locale.atof(part))
except ValueError:
pass
if '-' in text:
seconds *= -1
return datetime.timedelta(seconds=seconds)
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