Allow msgpack (0.6 <= v < 2.0) (#156)

* Update msgpack

* Relax msgpack version requirement to avoid breaking change

---------

Co-authored-by: James Clark <james.clark@zapatacomputing.com>

VERSION.txt

@@ -1 +1 @@
-3.10.0
+3.11.0

requirements.txt

@@ -3,9 +3,7 @@
 #
 # https://github.com/conda-forge/rpcq-feedstock/blob/master/recipe/meta.yaml
 
-# msgpack 1.0 introduced breaking changes. See
-# https://github.com/rigetti/rpcq/issues/118
-msgpack >=0.6,<1.0
+msgpack >=0.6,<2.0
 python-rapidjson
 pyzmq>=17
 ruamel.yaml

rpcq/_base.py

@@ -173,8 +173,14 @@ def from_msgpack(b, *, max_bin_len=MAX_BIN_LEN, max_str_len=MAX_STR_LEN):
     #   Otherwise, unpack to Python str (or unicode on Python 2) by decoding with UTF-8 encoding (recommended).
     #   In msgpack >= 0.6, max_xxx_len is reduced from 2 GB to 1 MB, so we set the relevant ones
     #       to 2 GB as to not run into issues with the size of the values returned from rpcq
-    return msgpack.loads(b, object_hook=_object_hook, raw=False,
-                         max_bin_len=max_bin_len, max_str_len=max_str_len)
+    return msgpack.loads(
+        b,
+        object_hook=_object_hook,
+        raw=False,
+        max_bin_len=max_bin_len,
+        max_str_len=max_str_len,
+        strict_map_key=False,
+    )
 
 
 def to_json(obj):

setup.py

@@ -51,10 +51,10 @@
     long_description=long_description,
     long_description_content_type='text/markdown',
     install_requires=[
-        'msgpack>=0.6,<1.0',
-        'python-rapidjson',
-        'pyzmq>=17',
-        'ruamel.yaml',
+        "msgpack>=0.6,<2.0",
+        "python-rapidjson",
+        "pyzmq>=17",
+        "ruamel.yaml",
     ],
     keywords='quantum rpc qcs',
     python_requires='>=3.6',