File Read issue by using module binascii
Jimmie He
jimmie.he at gmail.com
Sat Apr 27 00:22:11 EDT 2013
when I commet the line of "print('bin: ',bsstr,type(bsstr)) ",it can be run,so maybe the problem is the memory allocate of so long strings......Am I right?
在 2013年4月27日星期六UTC+8上午11时57分45秒,Jimmie He写道:
> When I run the readbmp on an example.bmp(about 100k),the Shell is become to "No respose",when I change f.read() to f.read(1000),it is ok,could someone tell me the excat reason for this?
>
> Thank you in advance!
>
>
>
> Python Code as below!!
>
>
>
> import binascii
>
>
>
> def read_bmp():
>
> f = open('example.bmp','rb')
>
> rawdata = f.read() #f.read(1000) is ok
>
> hexstr = binascii.b2a_hex(rawdata) #Get an HEX number
>
> bsstr = bin (int(hexstr,16))[2:]
>
> f.close()
>
> print('bin: ',bsstr,type(bsstr))
>
> return
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