_scproxy.py 文件源码

def _CFSetup():
    sc = cdll.LoadLibrary(find_library("SystemConfiguration"))
    cf = cdll.LoadLibrary(find_library("CoreFoundation"))
    sctable = [
        ('SCDynamicStoreCopyProxies', [c_void_p], c_void_p),
    ]
    cftable = [
        ('CFArrayGetCount', [c_void_p], c_int64),
        ('CFArrayGetValueAtIndex', [c_void_p, c_int64], c_void_p),
        ('CFDictionaryGetValue', [c_void_p, c_void_p], c_void_p),
        ('CFStringCreateWithCString', [c_void_p, c_char_p, c_int32], c_void_p),
        ('CFStringGetLength', [c_void_p], c_int32),
        ('CFStringGetCString', [c_void_p, c_char_p, c_int32, c_int32], c_int32),
        ('CFNumberGetValue', [c_void_p, c_int, c_void_p], c_int32),
        ('CFRelease', [c_void_p], None),
    ]
    scconst = [
        'kSCPropNetProxiesExceptionsList',
        'kSCPropNetProxiesExcludeSimpleHostnames',
        'kSCPropNetProxiesHTTPEnable',
        'kSCPropNetProxiesHTTPProxy',
        'kSCPropNetProxiesHTTPPort',
        'kSCPropNetProxiesHTTPSEnable',
        'kSCPropNetProxiesHTTPSProxy',
        'kSCPropNetProxiesHTTPSPort',
        'kSCPropNetProxiesFTPEnable',
        'kSCPropNetProxiesFTPProxy',
        'kSCPropNetProxiesFTPPort',
        'kSCPropNetProxiesGopherEnable',
        'kSCPropNetProxiesGopherProxy',
        'kSCPropNetProxiesGopherPort',
    ]
    class CFProxy(object):
        def __init__(self):
            for mod, table in [(sc, sctable), (cf, cftable)]:
                for fname, argtypes, restype in table:
                    func = getattr(mod, fname)
                    func.argtypes = argtypes
                    func.restype = restype
                    setattr(self, fname, func)
            for k in scconst:
                v = None
                try:
                    v = c_void_p.in_dll(sc, k)
                except ValueError:
                    v = None
                setattr(self, k, v)
    return CFProxy()