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import string
from flags import flags
def getDiskPart(dev, storage):
path = storage.devicetree.getDeviceByName(dev).path[5:]
cut = len(dev)
if dev[-1] in string.digits:
if (path.startswith('rd/') or path.startswith('ida/') or
path.startswith('cciss/') or path.startswith('sx8/') or
path.startswith('mapper/') or path.startswith('mmcblk') or
path.startswith('md')):
if dev[-2] == 'p':
cut = -2
elif dev[-3] == 'p' and dev[-2] in string.digits:
cut = -3
else:
if dev[-2] in string.digits:
cut = -2
else:
cut = -1
name = dev[:cut]
if cut < 0:
part = dev[cut:]
if part[0] == 'p':
part = part[1:]
partNum = int(part) - 1
else:
partNum = None
return (name, partNum)
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