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Archived:How to count number of bitmaps in a mbm file using PySymbian

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Archived.pngAquivado: Este artigo foi arquivado, pois o conteúdo não é mais considerado relevante para se criar soluções comerciais atuais. Se você achar que este artigo ainda é importante, inclua o template {{ForArchiveReview|escreva a sua justificativa}}.

All PySymbian articles have been archived. PySymbian is no longer maintained by Nokia and is not guaranteed to work on more recent Symbian devices. It is not possible to submit apps to Nokia Store.

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Article
Created: cyke64 (24 Mar 2007)
Last edited: hamishwillee (31 May 2013)

1st and 2nd Edition

# a helping function
#
# mbmcount.py
#
from struct import unpack
def readL(f, pos=None):
if pos is not None:
f.seek(pos)
return unpack('L', f.read(4))[0]
 
# the real counting function
def mbm_count(mbm_file):
f = open(mbm_file, 'rb')
mbm_type = readL(f)
if mbm_type == 0x10000041: # mbm on ROM (Z:)
return readL(f)
elif mbm_type == 0x10000037L: # mbm on file (normal)
return readL(f, readL(f, 16)) # read at trailer
else: # what type is it?
return None

Put it in library and try this :

from mbmcount import *
mbm_count('z:\\system\\data\\avkon.mbm')
# result = 503L

3rd Edition

MIF files are used instead ! TODO : MIF files ...

This page was last modified on 31 May 2013, at 04:08.
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