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Python ʹÓÃC´úÂë——swig

Ref : http://www.swig.org/translations/chinese/tutorial.html
¼ÙÉèÄãÓÐһЩcÄãÏëÔÙ¼ÓPython.¡£¾ÙÀýÀ´ËµÓÐÕâôһ¸öÎļþexample.c
 /* File : example.c */
 #include <time.h>
 double My_variable = 3.0;
 int fact(int n) {
     if (n <= 1) return 1;
     else return n*fact(n-1);
 }
 
 int my_mod(int x, int y) {
     return (x%y);
 }
 char *get_time()
 {
     time_t ltime;
     time(&ltime);
     return ctime(&ltime);
 }
 ½Ó¿ÚÎļþ
ÏÖÔÚ£¬ÎªÁËÔö¼ÓÕâЩÎļþµ½Äãϲ»¶µÄÓïÑÔÖУ¬ÄãÐèҪдһ¸ö½Ó¿ÚÎļþ£¨interface file£©Í¶Èëµ½swigÖС£ÕâЩC functionsµÄ½Ó¿ÚÎļþ¿ÉÄÜÈçÏÂËùʾ£º
     /* example.i */
     %module example
     %{
     /* Put header files here or function declarations like below */
     extern double My_variable;
     extern int fact(int n);
     extern int my_mod(int x, int y);
     extern char *get_time();
     %}
    
     extern double My_variable;
     extern int fact(int n);
     extern int my_mod(int x, int y);
     extern char *get_time();
    
      ½¨Á¢PythonÄ£¿é
ת»»±àÂëC³ÉPythonÄ£¿éºÜ¼òµ¥£¬Ö»ÐèÒª°´ÈçÏÂ×ö¼´¿É£¨Çë¼ûÆäËû²Ù×÷ϵͳµÄSWIG ¹²Ïí¿â°ïÖúÊֲᣩ:
     unix % swig -python example.i
     unix % gcc -c -fPIC
-m32
example.c example_wrap.c \
            -I/usr/(local/include/python2.1)include/python2.4
    unix % (ld)gcc
-shared -m32
example.o example_wrap.o -o _example.so
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'SOCKET' : illegal use of this type as an expression
syntax error : missing ';' before 'type'
syntax error : identifier 'InitWinsock'   -->       bool   InitWinsock( ......

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f=open('/etc/motd','r')
longest=0
while True:
    lineLen=len(f.readline().strip())
    if not lineLen: break
    if lineLen > longest:
        longest=lineLen
f.close()
return longest
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