安装nvidia digits

一、参考：
http://blog.csdn.net/enjoyyl/article/details/47397505#
https://github.com/NVIDIA/DIGITS/blob/master/docs/BuildDigits.md




二、安装：
1、打开https://developer.nvidia.com/digits 网站下载 digits.


三、源码安装：
1、下载digits 源码
   git clone https://github.com/NVIDIA/DIGITS.git


2、安装依赖：(切换用python2.7，用python3.4安装有问题sudo apt-get install graphviz gunicorn)
sudo apt-get install --no-install-recommends git graphviz python-dev python-flask python-flaskext.wtf python-gevent python-h5py python-numpy python-pil python-pip python-scipy python-tk


sudo apt-get install graphviz gunicorn


3、
sudo pip install -r  DIGITS/requirements.txt
或者
sudo pip2 install -r  DIGITS/requirements.txt


四、运行：
./digits-devserver


访问：
http://192.168.0.106:5000/
或者：
http://0.0.0.0:5000/




五、例子：
https://github.com/NVIDIA/DIGITS/blob/master/docs/GettingStarted.md
1.下载mnist数据
cd digits/DIGITS/digits/download_data
./mnist.py -c mnist /home/xxx/disk4/data/mnist/digits_mnist


2.




问题解决：
-------------------------------------------------------------------------
问题1：
  File "digits/utils/forms.py", line 8, in <module>
    from wtforms.compat import string_types
ImportError: No module named compat
解决方案：
参考：https://github.com/NVIDIA/DIGITS/issues/48
sudo apt-get purge python-flaskext.wtf
sudo pip2 install --upgrade Flask-WTF


问题2：
  File "digits/webapp.py", line 7, in <module>
    from flask.ext.socketio import SocketIO
  File "/usr/local/lib/python2.7/dist-packages/flask/exthook.py", line 110, in load_module
    raise ImportError('No module named %s' % fullname)
ImportError: No module named flask.ext.socketio
解决方案：
sudo pip2 install --upgrade Flask-SocketIO


问题3：
  File "digits/extensions/view/imageSegmentation/view.py", line 11, in <module>
    import skfmm
ImportError: No module named skfmm
Exception KeyError: KeyError(140285854072496,) in <module 'threading' from '/usr/lib/python2.7/threading.pyc'> ignored
解决方案：
sudo pip2 install --upgrade scikit-fmm




问题4：
    exc_class, code = self._get_exc_class_and_code(code_or_exception)
  File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1104, in _get_exc_class_and_code
    exc_class = default_exceptions[exc_class_or_code]
KeyError: 300
Exception KeyError: KeyError(140296077254320,) in <module 'threading' from '/usr/lib/python2.7/threading.pyc'> ignored
解决方案：
sudo pip2 install -r  DIGITS/requirements.txt


问题5：
  File "/usr/local/lib/python2.7/dist-packages/skfmm/__init__.py", line 51, in <module>
    from .pfmm import distance, travel_time, extension_velocities
  File "/usr/local/lib/python2.7/dist-packages/skfmm/pfmm.py", line 4, in <module>
    from .cfmm import cFastMarcher
ImportError: numpy.core.multiarray failed to import
Exception KeyError: KeyError(140310024284752,) in <module 'threading' from '/usr/lib/python2.7/threading.pyc'> ignored
解决方案：
sudo pip2 install numpy --upgrade