selecttlb.py 文件源码

python
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项目:pupy 作者: ru-faraon 项目源码 文件源码
def EnumTlbs(excludeFlags = 0):
    """Return a list of TypelibSpec objects, one for each registered library.
    """
    key = win32api.RegOpenKey(win32con.HKEY_CLASSES_ROOT, "Typelib")
    iids = EnumKeys(key)
    results = []
    for iid, crap in iids:
        try:
            key2 = win32api.RegOpenKey(key, str(iid))
        except win32api.error:
            # A few good reasons for this, including "access denied".
            continue
        for version, tlbdesc in EnumKeys(key2):
            major_minor = version.split('.', 1)
            if len(major_minor) < 2:
                major_minor.append('0')
            # For some reason, this code used to assume the values were hex.
            # This seems to not be true - particularly for CDO 1.21
            # *sigh* - it appears there are no rules here at all, so when we need
            # to know the info, we must load the tlb by filename and request it.
            # The Resolve() method on the TypelibSpec does this.
            # For this reason, keep the version numbers as strings - that
            # way we can't be wrong!  Let code that really needs an int to work
            # out what to do.  FWIW, http://support.microsoft.com/kb/816970 is
            # pretty clear that they *should* be hex.
            major = major_minor[0]
            minor = major_minor[1]
            key3 = win32api.RegOpenKey(key2, str(version))
            try:
                # The "FLAGS" are at this point
                flags = int(win32api.RegQueryValue(key3, "FLAGS"))
            except (win32api.error, ValueError):
                flags = 0
            if flags & excludeFlags==0:
                for lcid, crap in EnumKeys(key3):
                    try:
                        lcid = int(lcid)
                    except ValueError: # not an LCID entry
                        continue
                    # Only care about "{lcid}\win32" key - jump straight there.
                    try:
                        key4 = win32api.RegOpenKey(key3, "%s\\win32" % (lcid,))
                    except win32api.error:
                        continue
                    try:
                        dll, typ = win32api.RegQueryValueEx(key4, None)
                        if typ==win32con.REG_EXPAND_SZ:
                            dll = win32api.ExpandEnvironmentStrings(dll)
                    except win32api.error:
                        dll = None
                    spec = TypelibSpec(iid, lcid, major, minor, flags)
                    spec.dll = dll
                    spec.desc = tlbdesc
                    spec.ver_desc = tlbdesc + " (" + version + ")"
                    results.append(spec)
    return results
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