使用ctypes调用libcaptcha生成验证码代码,Python代码库,德仔网

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【Python】使用ctypes调用libcaptcha生成验证码

作者:false / 发布于2012/3/6/ 911

<div>coding:utf-8</div>
<div></div>
<div>__all__=('captcha',)</div>
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<div></div>
import os, \</div>
<div>  ctypes,ctypes.util</div>
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<div></div>
<div>LIBCAPTCHA_LIB = os.environ.get("LIBCAPTCHA_LIB", \</div>
<div>              ctypes.util.find_library("captcha") \</div>
<div>              )</div>
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<div></div>
<div></div>
<div>libcaptcha = ctypes.CDLL( LIBCAPTCHA_LIB )</div>
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<div>gifsize = ctypes.c_int.in_dll(libcaptcha,"gifsize").value</div>
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<div>get_res = lambda res:''.join( chr( _ ) for _ in res )</div>
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<div></div>
<div>def captcha():</div>
<div>  l = ( ctypes.c_ubyte * 6 )()</div>
<div>  im = ( ctypes.c_ubyte * 70 * 200 )()</div>
<div>  gif = ( ctypes.c_ubyte * gifsize )()</div>
<div></div>
<div>  libcaptcha.captcha(im,l)</div>
<div>  libcaptcha.makegif(im,gif)</div>
<div>  return dict( gif = get_res(gif),l = get_res(l)[:-1] )</div>

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