$ ls -laF .tox/py34/lib/python3.4/site-packages/ | grep proto
drwxrwxr-x  2 tseaver tseaver   4096 Mar 25 12:58 googleapis_common_protos-1.1.0.dist-info/
-rw-rw-r--  1 tseaver tseaver    687 Mar 25 12:58 googleapis_common_protos-1.1.0-py3.4-nspkg.pth
drwxrwxr-x  2 tseaver tseaver   4096 Mar 25 12:58 protobuf-3.0.0b2.post2.dist-info/
-rw-rw-r--  1 tseaver tseaver    305 Mar 25 12:58 protobuf-3.0.0b2.post2-py3.4-nspkg.pth

$ ls .tox/py34/lib/python3.4/site-packages/google/protobuf/*.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/any_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/api_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/descriptor_database.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/descriptor_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/descriptor_pool.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/descriptor.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/duration_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/empty_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/field_mask_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/__init__.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/json_format.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/message_factory.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/message.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/proto_builder.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/reflection.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/service.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/service_reflection.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/source_context_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/struct_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/symbol_database.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/text_encoding.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/text_format.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/timestamp_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/type_pb2.py
.tox/py34/lib/python3.4/site-packages/google/protobuf/wrappers_pb2.py

$ ls -laF .tox/py27/lib/python2.7/site-packages/ | grep proto
drwxrwxr-x  2 tseaver tseaver   4096 Mar 25 13:08 googleapis_common_protos-1.1.0.dist-info/
-rw-rw-r--  1 tseaver tseaver    687 Mar 25 13:08 googleapis_common_protos-1.1.0-py2.7-nspkg.pth
drwxrwxr-x  2 tseaver tseaver   4096 Mar 25 13:08 protobuf-3.0.0b2.post2.dist-info/
-rw-rw-r--  1 tseaver tseaver    305 Mar 25 13:08 protobuf-3.0.0b2.post2-py2.7-nspkg.pth

$ ls .tox/py27/lib/python2.7/site-packages/google/protobuf/*.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/any_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/api_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/descriptor_database.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/descriptor_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/descriptor_pool.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/descriptor.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/duration_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/empty_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/field_mask_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/__init__.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/json_format.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/map_unittest_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/message_factory.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/message.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/proto_builder.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/reflection.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/service.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/service_reflection.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/source_context_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/struct_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/symbol_database.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/text_encoding.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/text_format.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/timestamp_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/type_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_arena_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_custom_options_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_import_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_import_public_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_mset_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_mset_wire_format_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_no_arena_import_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_no_arena_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_no_generic_services_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/unittest_proto3_arena_pb2.py
.tox/py27/lib/python2.7/site-packages/google/protobuf/wrappers_pb2.py