Fix from_dict for PyPy

capnp/capnp.pyx

@@ -1,7 +1,7 @@
 # capnp.pyx
 # distutils: language = c++
 # distutils: extra_compile_args = --std=c++11 -fpermissive
-# distutils: libraries = capnpc
+# distutils: libraries = capnpc capnp
 # cython: c_string_type = str
 # cython: c_string_encoding = default
 # cython: embedsignature = True
@@ -447,12 +447,13 @@ cdef _to_dict(msg):
 
 import collections as _collections
 cdef _from_dict_helper(msg, field, d):
-    if isinstance(d, dict):
+    d_type = type(d)
+    if d_type is dict:
         sub_msg = getattr(msg, field)
         for key, val in d.iteritems():
             if key != 'which':
                 _from_dict_helper(sub_msg, key, val)
-    elif isinstance(d, _collections.Iterable) and not isinstance(d, basestring):
+    elif d_type is list and not isinstance(d, basestring):
         l = msg.init(field, len(d))
         for i in range(len(d)):
             if isinstance(d[i], dict):

capnp/capnp_cpp.pxd

@@ -1,7 +1,6 @@
 # schema.capnp.cpp.pyx
 # distutils: language = c++
 # distutils: extra_compile_args = --std=c++11
-# distutils: libraries = capnpc
 from schema_cpp cimport Node, Data, StructNode, EnumNode
 
 from libc.stdint cimport *

capnp/schema_cpp.pxd

@@ -1,7 +1,7 @@
 # schema.capnp.cpp.pyx
 # distutils: language = c++
 # distutils: extra_compile_args = --std=c++11
-# distutils: libraries = capnp
+# distutils: libraries = capnpc capnp
 
 from libc.stdint cimport *
 from capnp_cpp cimport DynamicOrphan

test/test_serialization.py

@@ -38,7 +38,6 @@ def test_roundtrip_bytes(all_types):
     msg = all_types.TestAllTypes.from_bytes(message_bytes)
     test_regression.check_all_types(msg)
 
-@pytest.mark.skipif("platform.python_implementation() == 'PyPy'")
 def test_roundtrip_dict(all_types):
     msg = all_types.TestAllTypes.new_message()
     test_regression.init_all_types(msg)