python xxd.py将数据以xxd格式打印

当你在使用Python接收网络数据的时候，并且希望能以xxd漂亮的格式打印数据的时候，下面的代码或许对你有所帮助。

</pre><pre code_snippet_id="227616" snippet_file_name="blog_20140310_1_2104289" name="code" class="python">#!  /usr/bin/python3
# author:zhangys
# date:20140310
 
import string
import struct
 
__all__ = [ "xxd_bin" ,"xxd_str" ,"line_len"]
 
__version__ = "1.0.0"
 
line_len = 16
 
"""
@binarys bytes
return none
print @binarys as xxd like style
"""
def xxd_bin(binarys):
    counter = 0
    for i in range(0,len(binarys),line_len):
        line = binarys[i:i + line_len]
        # turn byte to hex str
        buf2 = ['%02x' % i for i in line]
        print( '{0}: {1:<39}  {2}'.format(('%07x' % (counter * 16)),
        ' '.join([''.join(buf2[i:i + 2]) for i in range(0, len(buf2), 2)]),
        ''.join([chr(b) if chr(b) in string.printable[:-5] else '.' for b in line])))
 
        counter += 1
 
    return
 
"""
@buf str
return none
print @buf as xxd like style
"""
def xxd_str(buf):
    counter = 0
    for i in range(0,len(buf),line_len):
        line = buf[i:i + line_len]
        buf2 = ['%02x' % ord(i) for i in line]
 
        print( '{0}: {1:<39}  {2}'.format(('%07x' % (counter * 16)),
        ' '.join([''.join(buf2[i:i + 2]) for i in range(0, len(buf2), 2)]),
        ''.join([c if c in string.printable[:-5] else '.' for c in line])))
 
        counter += 1
    return
 
if __name__ == "__main__":
    s = "asdfhjjl;;p009888hhnncbbbc"
    xxd_bin(bytes(s,"ASCii"))
    xxd_str(s)