Swift: let keras = Python.import("keras") ......Using TensorFlow backend.

[johndpope]

Using TensorFlow backend.
Fatal error: 'try!' expression unexpectedly raised an error: Python exception: Traceback (most recent call last):
File "/Users/jpope/miniconda3/envs/gymai/lib/python2.7/site-packages/tensorflow/python/pywrap_tensorflow.py", line 58, in
from tensorflow.python.pywrap_tensorflow_internal import *
File "/Users/jpope/miniconda3/envs/gymai/lib/python2.7/site-packages/tensorflow/python/pywrap_tensorflow_internal.py", line 28, in
_pywrap_tensorflow_internal = swig_import_helper()
File "/Users/jpope/miniconda3/envs/gymai/lib/python2.7/site-packages/tensorflow/python/pywrap_tensorflow_internal.py", line 24, in swig_import_helper
_mod = imp.load_module('_pywrap_tensorflow_internal', fp, pathname, description)
ImportError: dlopen(/Users/jpope/miniconda3/envs/gymai/lib/python2.7/site-packages/tensorflow/python/_pywrap_tensorflow_internal.so, 6): Symbol not found: __ZN10tensorflow17FunctionCallFrame14ConsumeRetvalsEPNSt3__16vectorINS_6TensorENS1_9allocatorIS3_EEEE
Referenced from: /Users/jpope/miniconda3/envs/gymai/lib/python2.7/site-packages/tensorflow/python/_pywrap_tensorflow_internal.so
Expected in: /Library/Developer/Toolchains/swift-latest/usr/lib/swift/macosx/libtensorflow_framework.so
in /Users/jpope/miniconda3/envs/gymai/lib/python2.7/site-packages/tensorflow/python/_pywrap_tensorflow_internal.so

is there a way to get this symbol into the _pywrap_tensorflow_internal.so ?
do we need a special build ?

__ZN10tensorflow17FunctionCallFrame14ConsumeRetvalsEPNSt3__16vectorINS_6TensorENS1_9allocatorIS3_EEEE

sample project
https://github.com/johndpope/SwiftReinforce/commit/690c368b9129516715692873a6abed1498d68046

[johndpope]

I found a way forward / just edit config to use theano
code $HOME/.keras/keras.json tensorflow -> theano

Thread 1: Fatal error: 'try!' expression unexpectedly raised an error: Python exception: No module named cPickle

would be good to be able to dial up tensorflow python package here.
(I tried pip install six with no luck)

[johndpope]

Probably need a desingated repo for python / swift problems

if I try
let torch = Python.import("torch") // pip install torch - I get this problem.
I will capture this here and post solution in case I solve this.

Fatal error: 'try!' expression unexpectedly raised an error: Python exception: module compiled against API version 0xa but this version of numpy is 0x9: file /usr/local/src/swift-build/swift/stdlib/public/core/ErrorType.swift, line 185

import numpy
numpy.version.version
numpy.version.version
'1.14.5'

pip install numpy=="1.14.5"

https://github.com/pytorch/pytorch

it seems like even if I install using sudo
sudo pip install numpy=="1.14.5" // succeeds

the base version of numpy on mac stays hardcoded to 1.8.0rc1

INFO: numpy version - 1.8.0rc1
let np = Python.import("numpy")
let numpy = Python.import("numpy")
print("INFO: numpy version - ",np.version.version)

It's like we need a way to guide python to select correct environment (rather than forcing end user to mess with system)

 source activate gym

Python.activateEnvironment("gym")

sudo pip install --ignore-installed numpy=="1.14.5" // works but doesn't reflect

https://stackoverflow.com/questions/41651317/reinstalling-numpy-on-os-x-using-pip-can-t-be-modified-or-deleted-because-it

I thought it maybe a virtual env but 1.8.0rc1 persists

Terminal - problem persists

digging deeper / can confirm this
maybe I can delete the sysPath.

/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python

        sys = Python.import("sys")
        print("INFO: macOS sysPath:", sys.path)

INFO: macOS sysPath: ['/Library/Python/2.7/site-packages/pip-9.0.1-py2.7.egg', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python27.zip', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-old', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload', '/Library/Python/2.7/site-packages', '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python', '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC']

[johndpope]

fixed using insert

eg. ```swift

  sys.path.insert(0,path3)
    sys = Python.import("sys")
    print("INFO: macOS sysPath:", sys.path)  

func importConda(){

    print("INFO: 🐍 conda environment:",environmentName)
    let  path2 = "/Users/\(NSUserName())/miniconda2/envs/\(environmentName)/lib/python2.7/site-packages/"
    sys.path.insert(0,path2)
    let  path3 = "/Users/\(NSUserName())/miniconda3/envs/\(environmentName)/lib/python2.7/site-packages/"
    sys.path.insert(0,path3)
    // N.B. use insert rather than append otherwise ran into problems
    // numpy version    //https://github.com/tensorflow/swift/issues/73 - numpy  1.8.0rc1

    print("INFO: sys path \n",path)


}

```

[porterchild]

Were you able to import Keras? I used the sys.path.insert and that worked, but I get ImportError: dlopen(/Users/porter/anaconda3/envs/py2/lib/python2.7/site-packages/tensorflow/python/_pywrap_tensorflow_internal.so, 6): Symbol not found: __ZN10tensorflow11NodeBuilderC1EN4absl11string_viewES2_PKNS_19OpRegistryInterfaceE

[johndpope]

I made more instructions on getting up and running with miniconda https://github.com/johndpope/swifttorch

There’s a few gotchas with version mismatches and paths - try my xcodegen suggestion in above repo.

https://github.com/johndpope/SwiftTorch/blob/master/NewProjects.md

[bbvch13531]

Thanks johndpope. I get an idea after reading it and finally solved my problem.

pip3 install 'numpy==1.16.1'

In my case it works.