diff options
Diffstat (limited to 'magic.py')
| -rw-r--r-- | magic.py | 39 |
1 files changed, 25 insertions, 14 deletions
@@ -72,7 +72,8 @@ class Magic: # by bumping the limit up. It's not clear if this is a general solution # or whether other internal limits should be increased, but given # the lack of other reports I'll assume this is rare. - self.setparam(MAGIC_PARAM_NAME_MAX, 64) + if _has_param: + self.setparam(MAGIC_PARAM_NAME_MAX, 64) def from_buffer(self, buf): """ @@ -301,32 +302,42 @@ magic_compile = libmagic.magic_compile magic_compile.restype = c_int magic_compile.argtypes = [magic_t, c_char_p] -_magic_setparam = libmagic.magic_setparam -_magic_setparam.restype = c_int -_magic_setparam.argtypes = [magic_t, c_int, POINTER(c_size_t)] -_magic_setparam.errcheck = errorcheck_negative_one +_has_param = False +if hasattr(libmagic, 'magic_setparam') and hasattr(libmagic, 'magic_getparam'): + _has_param = True + _magic_setparam = libmagic.magic_setparam + _magic_setparam.restype = c_int + _magic_setparam.argtypes = [magic_t, c_int, POINTER(c_size_t)] + _magic_setparam.errcheck = errorcheck_negative_one + _magic_getparam = libmagic.magic_getparam + _magic_getparam.restype = c_int + _magic_getparam.argtypes = [magic_t, c_int, POINTER(c_size_t)] + _magic_getparam.errcheck = errorcheck_negative_one def magic_setparam(cookie, param, val): + if not _has_param: + raise NotImplementedError("magic_setparam not implemented") v = c_size_t(val) return _magic_setparam(cookie, param, byref(v)) -_magic_getparam = libmagic.magic_getparam -_magic_getparam.restype = c_int -_magic_getparam.argtypes = [magic_t, c_int, POINTER(c_size_t)] -_magic_getparam.errcheck = errorcheck_negative_one - - def magic_getparam(cookie, param): + if not _has_param: + raise NotImplementedError("magic_getparam not implemented") val = c_size_t() _magic_getparam(cookie, param, byref(val)) return val.value -magic_version = libmagic.magic_version -magic_version.restype = c_int -magic_version.argtypes = [] +_has_version = False +if hasattr(libmagic, "magic_version"): + _has_version = True + magic_version = libmagic.magic_version + magic_version.restype = c_int + magic_version.argtypes = [] def version(): + if not _has_version: + raise NotImplementedError("magic_version not implemented") return magic_version() MAGIC_NONE = 0x000000 # No flags |