Macintosh-Tools/machfs
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Work around partitioned images

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Just scan for the magic BD
This commit is contained in:
Elliot Nunn 2019-08-18 21:36:48 +08:00
parent fb493a154f
commit 873cce2cc9
1 changed files with 7 additions and 0 deletions
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7
machfs/main.py
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@ -121,6 +121,13 @@ class Volume(AbstractFolder):
self.name = 'Untitled' self.name = 'Untitled'
def read(self, from_volume): def read(self, from_volume):
for i in range(0, len(from_volume), 512):
if from_volume[i+1024:i+1024+2] == b'BD':
if i: from_volume = from_volume[i:]
break
else:
raise ValueError('Magic number not found in image')
drSigWord, drCrDate, drLsMod, drAtrb, drNmFls, \ drSigWord, drCrDate, drLsMod, drAtrb, drNmFls, \
drVBMSt, drAllocPtr, drNmAlBlks, drAlBlkSiz, drClpSiz, drAlBlSt, \ drVBMSt, drAllocPtr, drNmAlBlks, drAlBlkSiz, drClpSiz, drAlBlSt, \
drNxtCNID, drFreeBks, drVN, drVolBkUp, drVSeqNum, \ drNxtCNID, drFreeBks, drVN, drVolBkUp, drVSeqNum, \