mirror of
https://github.com/moparisthebest/SickRage
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61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
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"""
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Utilities used to convert a field to human classic reprentation of data.
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"""
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from lib.hachoir_core.tools import (
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humanDuration, humanFilesize, alignValue,
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durationWin64 as doDurationWin64,
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deprecated)
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from types import FunctionType, MethodType
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from lib.hachoir_core.field import Field
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def textHandler(field, handler):
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assert isinstance(handler, (FunctionType, MethodType))
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assert issubclass(field.__class__, Field)
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field.createDisplay = lambda: handler(field)
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return field
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def displayHandler(field, handler):
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assert isinstance(handler, (FunctionType, MethodType))
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assert issubclass(field.__class__, Field)
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field.createDisplay = lambda: handler(field.value)
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return field
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@deprecated("Use TimedeltaWin64 field type")
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def durationWin64(field):
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"""
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Convert Windows 64-bit duration to string. The timestamp format is
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a 64-bit number: number of 100ns. See also timestampWin64().
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>>> durationWin64(type("", (), dict(value=2146280000, size=64)))
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u'3 min 34 sec 628 ms'
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>>> durationWin64(type("", (), dict(value=(1 << 64)-1, size=64)))
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u'58494 years 88 days 5 hours'
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"""
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assert hasattr(field, "value") and hasattr(field, "size")
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assert field.size == 64
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delta = doDurationWin64(field.value)
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return humanDuration(delta)
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def filesizeHandler(field):
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"""
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Format field value using humanFilesize()
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"""
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return displayHandler(field, humanFilesize)
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def hexadecimal(field):
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"""
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Convert an integer to hexadecimal in lower case. Returns unicode string.
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>>> hexadecimal(type("", (), dict(value=412, size=16)))
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u'0x019c'
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>>> hexadecimal(type("", (), dict(value=0, size=32)))
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u'0x00000000'
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"""
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assert hasattr(field, "value") and hasattr(field, "size")
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size = field.size
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padding = alignValue(size, 4) // 4
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pattern = u"0x%%0%ux" % padding
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return pattern % field.value
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