\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. from __future__ import absolute_import, division, print_function import abc import binascii import inspect import sys import warnings # the functions deprecated in 1.0 and 1.4 are on an arbitrarily extended # deprecation cycle and should not be removed until we agree on when that cycle # ends. DeprecatedIn10 = DeprecationWarning DeprecatedIn14 = DeprecationWarning DeprecatedIn16 = DeprecationWarning def read_only_property(name): return property(lambda self: getattr(self, name)) def register_interface(iface): def register_decorator(klass): verify_interface(iface, klass) iface.register(klass) return klass return register_decorator def register_interface_if(predicate, iface): def register_decorator(klass): if predicate: verify_interface(iface, klass) iface.register(klass) return klass return register_decorator if hasattr(int, "from_bytes"): int_from_bytes = int.from_bytes else: def int_from_bytes(data, byteorder, signed=False): assert byteorder == 'big' assert not signed # call bytes() on data to allow the use of bytearrays return int(bytes(data).encode('hex'), 16) def int_to_bytes(integer, length=None): hex_string = '%x' % integer if length is None: n = len(hex_string) else: n = length * 2 return binascii.unhexlify(hex_string.zfill(n + (n & 1))) class InterfaceNotImplemented(Exception): pass if hasattr(inspect, "signature"): signature = inspect.signature else: signature = inspect.getargspec def verify_interface(iface, klass): for method in iface.__abstractmethods__: if not hasattr(klass, method): raise InterfaceNotImplemented( "{0} is missing a {1!r} method".format(klass, method) ) if isinstance(getattr(iface, method), abc.abstractproperty): # Can't properly verify these yet. cont