8th day of python challenges 111-117

venv/lib/python3.6/site-packages/pandas/io/msgpack/__init__.py

@@ -0,0 +1,52 @@
+# coding: utf-8
+
+from collections import namedtuple
+
+from pandas.io.msgpack.exceptions import *  # noqa
+from pandas.io.msgpack._version import version  # noqa
+
+
+class ExtType(namedtuple("ExtType", "code data")):
+    """ExtType represents ext type in msgpack."""
+
+    def __new__(cls, code, data):
+        if not isinstance(code, int):
+            raise TypeError("code must be int")
+        if not isinstance(data, bytes):
+            raise TypeError("data must be bytes")
+        if not 0 <= code <= 127:
+            raise ValueError("code must be 0~127")
+        return super().__new__(cls, code, data)
+
+
+import os  # noqa
+
+from pandas.io.msgpack._packer import Packer  # noqa
+from pandas.io.msgpack._unpacker import unpack, unpackb, Unpacker  # noqa
+
+
+def pack(o, stream, **kwargs):
+    """
+    Pack object `o` and write it to `stream`
+
+    See :class:`Packer` for options.
+    """
+    packer = Packer(**kwargs)
+    stream.write(packer.pack(o))
+
+
+def packb(o, **kwargs):
+    """
+    Pack object `o` and return packed bytes
+
+    See :class:`Packer` for options.
+    """
+    return Packer(**kwargs).pack(o)
+
+
+# alias for compatibility to simplejson/marshal/pickle.
+load = unpack
+loads = unpackb
+
+dump = pack
+dumps = packb

venv/lib/python3.6/site-packages/pandas/io/msgpack/_version.py

@@ -0,0 +1 @@
+version = (0, 4, 6)

venv/lib/python3.6/site-packages/pandas/io/msgpack/exceptions.py

@@ -0,0 +1,31 @@
+class UnpackException(Exception):
+    pass
+
+
+class BufferFull(UnpackException):
+    pass
+
+
+class OutOfData(UnpackException):
+    pass
+
+
+class UnpackValueError(UnpackException, ValueError):
+    pass
+
+
+class ExtraData(ValueError):
+    def __init__(self, unpacked, extra):
+        self.unpacked = unpacked
+        self.extra = extra
+
+    def __str__(self):
+        return "unpack(b) received extra data."
+
+
+class PackException(Exception):
+    pass
+
+
+class PackValueError(PackException, ValueError):
+    pass