SickGear/lib/hachoir/field/timestamp.py

108 lines
3.3 KiB
Python

from hachoir.core.tools import (humanDatetime, humanDuration,
timestampUNIX, timestampMac32, timestampUUID60,
timestampWin64, durationWin64, durationMillisWin64)
from hachoir.field import Bits, FieldSet
from datetime import datetime
class GenericTimestamp(Bits):
def __init__(self, parent, name, size, description=None):
Bits.__init__(self, parent, name, size, description)
def createDisplay(self):
return humanDatetime(self.value)
def createRawDisplay(self):
value = Bits.createValue(self)
return str(value)
def __bool__(self):
return Bits.createValue(self) != 0
def timestampFactory(cls_name, handler, size):
class Timestamp(GenericTimestamp):
def __init__(self, parent, name, description=None):
GenericTimestamp.__init__(self, parent, name, size, description)
def createValue(self):
value = Bits.createValue(self)
return handler(value)
cls = Timestamp
cls.__name__ = cls_name
return cls
TimestampUnix32 = timestampFactory("TimestampUnix32", timestampUNIX, 32)
TimestampUnix64 = timestampFactory("TimestampUnix64", timestampUNIX, 64)
TimestampMac32 = timestampFactory("TimestampMac32", timestampMac32, 32)
TimestampUUID60 = timestampFactory("TimestampUUID60", timestampUUID60, 60)
TimestampWin64 = timestampFactory("TimestampWin64", timestampWin64, 64)
class TimeDateMSDOS32(FieldSet):
"""
32-bit MS-DOS timestamp (16-bit time, 16-bit date)
"""
static_size = 32
def createFields(self):
# TODO: Create type "MSDOS_Second" : value*2
yield Bits(self, "second", 5, "Second/2")
yield Bits(self, "minute", 6)
yield Bits(self, "hour", 5)
yield Bits(self, "day", 5)
yield Bits(self, "month", 4)
# TODO: Create type "MSDOS_Year" : value+1980
yield Bits(self, "year", 7, "Number of year after 1980")
def createValue(self):
return datetime(
1980 + self["year"].value, self["month"].value or 1, self["day"].value or 1,
self["hour"].value, self["minute"].value, 2 * self["second"].value)
def createDisplay(self):
return humanDatetime(self.value)
class DateTimeMSDOS32(TimeDateMSDOS32):
"""
32-bit MS-DOS timestamp (16-bit date, 16-bit time)
"""
def createFields(self):
yield Bits(self, "day", 5)
yield Bits(self, "month", 4)
yield Bits(self, "year", 7, "Number of year after 1980")
yield Bits(self, "second", 5, "Second/2")
yield Bits(self, "minute", 6)
yield Bits(self, "hour", 5)
class TimedeltaWin64(GenericTimestamp):
def __init__(self, parent, name, description=None):
GenericTimestamp.__init__(self, parent, name, 64, description)
def createDisplay(self):
return humanDuration(self.value)
def createValue(self):
value = Bits.createValue(self)
return durationWin64(value)
class TimedeltaMillisWin64(GenericTimestamp):
def __init__(self, parent, name, description=None):
GenericTimestamp.__init__(self, parent, name, 64, description)
def createDisplay(self):
return humanDuration(self.value)
def createValue(self):
value = Bits.createValue(self)
return durationMillisWin64(value)