/usr/lib/python2.7/dist-packages/trytond/model/fields/date.py is in tryton-server 3.8.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# this repository contains the full copyright notices and license terms.
import datetime
from sql import Query, Expression
from ... import backend
from .field import Field, SQLType
class Date(Field):
'''
Define a date field (``date``).
'''
_type = 'date'
@staticmethod
def sql_format(value):
if isinstance(value, (Query, Expression)):
return value
if value is None:
return None
if isinstance(value, basestring):
year, month, day = map(int, value.split("-", 2))
return datetime.date(year, month, day)
assert(isinstance(value, datetime.date))
# Allow datetime with min time for XML-RPC
# datetime must be tested separately because datetime is a
# subclass of date
assert(not isinstance(value, datetime.datetime)
or value.time() == datetime.time())
return value
def sql_type(self):
return SQLType('DATE', 'DATE')
class DateTime(Field):
'''
Define a datetime field (``datetime``).
'''
_type = 'datetime'
def __init__(self, string='', format='%H:%M:%S', help='', required=False,
readonly=False, domain=None, states=None, select=False,
on_change=None, on_change_with=None, depends=None,
context=None, loading='eager'):
'''
:param format: The validation format as used by strftime.
'''
super(DateTime, self).__init__(string=string, help=help,
required=required, readonly=readonly, domain=domain, states=states,
select=select, on_change=on_change, on_change_with=on_change_with,
depends=depends, context=context, loading=loading)
self.format = format
__init__.__doc__ += Field.__init__.__doc__
@staticmethod
def sql_format(value):
if isinstance(value, (Query, Expression)):
return value
if not value:
return None
if isinstance(value, basestring):
datepart, timepart = value.split(" ")
year, month, day = map(int, datepart.split("-", 2))
hours, minutes, seconds = map(int, timepart.split(":"))
return datetime.datetime(year, month, day, hours, minutes, seconds)
assert(isinstance(value, datetime.datetime))
return value.replace(microsecond=0)
def sql_type(self):
db_type = backend.name()
if db_type == 'sqlite':
return SQLType('TIMESTAMP', 'TIMESTAMP')
elif db_type == 'mysql':
return SQLType('TIMESTAMP', 'TIMESTAMP NULL')
return SQLType('TIMESTAMP', 'TIMESTAMP(0)')
class Timestamp(Field):
'''
Define a timestamp field (``datetime``).
'''
_type = 'timestamp'
@staticmethod
def sql_format(value):
if isinstance(value, (Query, Expression)):
return value
if value is None:
return None
if isinstance(value, basestring):
datepart, timepart = value.split(" ")
year, month, day = map(int, datepart.split("-", 2))
timepart_full = timepart.split(".", 1)
hours, minutes, seconds = map(int, timepart_full[0].split(":"))
if len(timepart_full) == 2:
microseconds = int(timepart_full[1])
else:
microseconds = 0
return datetime.datetime(year, month, day, hours, minutes, seconds,
microseconds)
assert(isinstance(value, datetime.datetime))
return value
def sql_type(self):
db_type = backend.name()
if db_type == 'sqlite':
return SQLType('TIMESTAMP', 'TIMESTAMP')
elif db_type == 'mysql':
return SQLType('TIMESTAMP', 'TIMESTAMP NULL')
return SQLType('TIMESTAMP', 'TIMESTAMP(6)')
class Time(DateTime):
'''
Define a time field (``time``).
'''
_type = 'time'
@staticmethod
def sql_format(value):
if isinstance(value, (Query, Expression)):
return value
if value is None:
return None
if isinstance(value, basestring):
hours, minutes, seconds = map(int, value.split(":"))
return datetime.time(hours, minutes, seconds)
assert(isinstance(value, datetime.time))
return value.replace(microsecond=0)
def sql_type(self):
return SQLType('TIME', 'TIME')
class TimeDelta(Field):
'''
Define a timedelta field (``timedelta``).
'''
_type = 'timedelta'
def __init__(self, string='', converter=None, help='', required=False,
readonly=False, domain=None, states=None, select=False,
on_change=None, on_change_with=None, depends=None,
context=None, loading='eager'):
'''
:param converter: The name of the context key containing
the time converter.
'''
super(TimeDelta, self).__init__(string=string, help=help,
required=required, readonly=readonly, domain=domain, states=states,
select=select, on_change=on_change, on_change_with=on_change_with,
depends=depends, context=context, loading=loading)
self.converter = converter
@staticmethod
def sql_format(value):
if isinstance(value, (Query, Expression)):
return value
if value is None:
return None
assert(isinstance(value, datetime.timedelta))
db_type = backend.name()
if db_type == 'mysql':
return value.total_seconds()
return value
def sql_type(self):
db_type = backend.name()
if db_type == 'mysql':
return SQLType('DOUBLE', 'DOUBLE(255, 6)')
return SQLType('INTERVAL', 'INTERVAL')
@classmethod
def get(cls, ids, model, name, values=None):
result = {}
for row in values:
value = row[name]
if (value is not None
and not isinstance(value, datetime.timedelta)):
if value >= datetime.timedelta.max.total_seconds():
value = datetime.timedelta.max
elif value <= datetime.timedelta.min.total_seconds():
value = datetime.timedelta.min
else:
value = datetime.timedelta(seconds=value)
result[row['id']] = value
else:
result[row['id']] = value
return result
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