ImportError: cannot import name symbol_database
>>> import caffe
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/opt/caffe/python/caffe/__init__.py", line 1, in <module>
from .pycaffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, RMSPropSolver, AdaDeltaSolver, AdamSolver
File "/opt/caffe/python/caffe/pycaffe.py", line 15, in <module>
import caffe.io
File "/opt/caffe/python/caffe/io.py", line 8, in <module>
from caffe.proto import caffe_pb2
File "/opt/caffe/python/caffe/proto/caffe_pb2.py", line 10, in <module>
from google.protobuf import symbol_database as _symbol_database
ImportError: cannot import name symbol_database
解决
$ apt-get install libprotobuf-dev protobuf-compiler
Reading package lists... Done
Building dependency tree
Reading state information... Done
libprotobuf-dev is already the newest version (2.6.1-1.3).
protobuf-compiler is already the newest version (2.6.1-1.3).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
$ pip install protobuf==2.6
# 版本要一致,caffe不支持高于3.0.0(包括它)版本的protobuf.