# Path: petlib/pack.py
# def encode(structure, custom_encoder=None):
#     """ Encode a structure containing petlib objects to a binary format. May define a custom encoder for user classes. """
#     encoder = make_encoder(custom_encoder)
#     packed_data = msgpack.packb(structure, default=encoder, use_bin_type=True)
#     return packed_data
# 
# def decode(packed_data, custom_decoder=None):
#     """ Decode a binary byte sequence into a structure containing pelib objects. May define a custom decoder for custom classes. """
#     decoder = make_decoder(custom_decoder)
#     structure = msgpack.unpackb(
#         packed_data,
#         ext_hook=decoder,
#         encoding='utf-8')
#     return structure
# 
# def make_encoder(out_encoder=None):
#     if out_encoder is None:
#         return default
#     else:
#         def new_encoder(obj):
#             try:
#                 encoded = default(obj)
#                 return encoded
#             except BaseException:
#                 return out_encoder(obj)
#         return new_encoder
# 
# def make_decoder(custom_decoder=None):
#     if custom_decoder is None:
#         return ext_hook
#     else:
#         def new_decoder(code, data):
#             out = ext_hook(code, data)
#             if not isinstance(out, msgpack.ExtType):
#                 return out
#             else:
#                 return custom_decoder(code, data)
#         return new_decoder
# 
# Path: petlib/pack.py
# def encode(structure, custom_encoder=None):
#     """ Encode a structure containing petlib objects to a binary format. May define a custom encoder for user classes. """
#     encoder = make_encoder(custom_encoder)
#     packed_data = msgpack.packb(structure, default=encoder, use_bin_type=True)
#     return packed_data
# 
# def decode(packed_data, custom_decoder=None):
#     """ Decode a binary byte sequence into a structure containing pelib objects. May define a custom decoder for custom classes. """
#     decoder = make_decoder(custom_decoder)
#     structure = msgpack.unpackb(
#         packed_data,
#         ext_hook=decoder,
#         encoding='utf-8')
#     return structure


import sys
import asyncio
            import traceback
import pytest # requires pytest-asyncio!
import time
    import time
    import time
from io import BytesIO
from msgpack import Unpacker
from petlib.pack import encode, decode, make_encoder, make_decoder
from amacscreds import cred_setup, cred_CredKeyge, cred_UserKeyge, cred_secret_issue_user, cred_secret_issue, cred_secret_issue_user_decrypt, cred_show, cred_show_check, cred_secret_issue_user_check
from genzkp import *
from petlib.pack import encode, decode


class SReader():
    """ Define an asyncio msgpack stream decoder. """

    def __init__(self, reader, writer):
        """ Pass ina  stream reader to unmarshall msgpack objects from. """
        self.reader = reader
        self.writer = writer
        self.decoder = make_decoder()
        self.unpacker = Unpacker(ext_hook=self.decoder, encoding="utf8")
        self.obj_buf = []


    @asyncio.coroutine
    def get(self):
        """ The co-routine providing objects. """

        while len(self.obj_buf) == 0:
            buf = yield from self.reader.read(1000)

            self.unpacker.feed(buf)
            for o in self.unpacker:
                self.obj_buf.append(o)

        return self.obj_buf.pop(0)


    def put(self, obj):
        """ Write an object to the channel. """

# Path: petlib/pack.py
# def encode(structure, custom_encoder=None):
#     """ Encode a structure containing petlib objects to a binary format. May define a custom encoder for user classes. """
#     encoder = make_encoder(custom_encoder)
#     packed_data = msgpack.packb(structure, default=encoder, use_bin_type=True)
#     return packed_data
# 
# def decode(packed_data, custom_decoder=None):
#     """ Decode a binary byte sequence into a structure containing pelib objects. May define a custom decoder for custom classes. """
#     decoder = make_decoder(custom_decoder)
#     structure = msgpack.unpackb(
#         packed_data,
#         ext_hook=decoder,
#         encoding='utf-8')
#     return structure
# 
# def make_encoder(out_encoder=None):
#     if out_encoder is None:
#         return default
#     else:
#         def new_encoder(obj):
#             try:
#                 encoded = default(obj)
#                 return encoded
#             except BaseException:
#                 return out_encoder(obj)
#         return new_encoder
# 
# def make_decoder(custom_decoder=None):
#     if custom_decoder is None:
#         return ext_hook
#     else:
#         def new_decoder(code, data):
#             out = ext_hook(code, data)
#             if not isinstance(out, msgpack.ExtType):
#                 return out
#             else:
#                 return custom_decoder(code, data)
#         return new_decoder
# 
# Path: petlib/pack.py
# def encode(structure, custom_encoder=None):
#     """ Encode a structure containing petlib objects to a binary format. May define a custom encoder for user classes. """
#     encoder = make_encoder(custom_encoder)
#     packed_data = msgpack.packb(structure, default=encoder, use_bin_type=True)
#     return packed_data
# 
# def decode(packed_data, custom_decoder=None):
#     """ Decode a binary byte sequence into a structure containing pelib objects. May define a custom decoder for custom classes. """
#     decoder = make_decoder(custom_decoder)
#     structure = msgpack.unpackb(
#         packed_data,
#         ext_hook=decoder,
#         encoding='utf-8')
#     return structure


# Path: contrib/cred_server.py
import sys
import asyncio
            import traceback
import pytest # requires pytest-asyncio!
import time
    import time
    import time
from io import BytesIO
from msgpack import Unpacker
from petlib.pack import encode, decode, make_encoder, make_decoder
from amacscreds import cred_setup, cred_CredKeyge, cred_UserKeyge, cred_secret_issue_user, cred_secret_issue, cred_secret_issue_user_decrypt, cred_show, cred_show_check, cred_secret_issue_user_check
from genzkp import *
from petlib.pack import encode, decode



class SReader():
    """ Define an asyncio msgpack stream decoder. """

    def __init__(self, reader, writer):
        """ Pass ina  stream reader to unmarshall msgpack objects from. """
        self.reader = reader
        self.writer = writer
        self.decoder = make_decoder()
        self.unpacker = Unpacker(ext_hook=self.decoder, encoding="utf8")
        self.obj_buf = []


    @asyncio.coroutine
    def get(self):
        """ The co-routine providing objects. """

        while len(self.obj_buf) == 0:
            buf = yield from self.reader.read(1000)

            self.unpacker.feed(buf)
            for o in self.unpacker:
                self.obj_buf.append(o)

        return self.obj_buf.pop(0)


    def put(self, obj):
        """ Write an object to the channel. """

        self.writer.write(encode(obj))