Difficulties installing Theano on 64-bit Windows 10 System, Python 3

Question

Pulling my hair out here, about 8 hours in, sort of desperate about this...

Basically I get the following trace when running "import theano" from the Python command line:

Problem occurred during compilation with the command line below:
"C:\Users\User Name\Anaconda3\Scripts\g++.bat" -shared -g -DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION -m64 -DMS_WIN64 -I"C:\Users\User Name\Anaconda3\lib\site-packages\numpy\core\include" -I"C:\Users\User Name\Anaconda3\include" -I"C:\Users\User Name\Anaconda3\lib\site-packages\theano\gof" -L"C:\Users\User Name\Anaconda3\libs" -L"C:\Users\User Name\Anaconda3" -o C:\Users\User Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\lazylinker_ext.pyd C:\Users\User Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\mod.cpp -lpython34
g++.exe: error: Kronk\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\lazylinker_ext.pyd: No such file or directory
g++.exe: error: C:\Users\Charles: No such file or directory
g++.exe: error: Kronk\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\mod.cpp: No such file or directory

Traceback (most recent call last):
  File "C:\Users\User Name\Anaconda3\lib\site-packages\theano\gof\lazylinker_c.py", line 75, in <module>
    raise ImportError()
ImportError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\User Name\Anaconda3\lib\site-packages\theano\gof\lazylinker_c.py", line 92, in <module>
    raise ImportError()
ImportError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\User Name\Anaconda3\lib\site-packages\theano\__init__.py", line 70, in <module>
    from theano.compile import (
  File "C:\Users\User Name\Anaconda3\lib\site-packages\theano\compile\__init__.py", line 10, in <module>
    from theano.compile.function_module import *
  File "C:\Users\User Name\Anaconda3\lib\site-packages\theano\compile\function_module.py", line 21, in <module>
    import theano.compile.mode
  File "C:\Users\User Name\Anaconda3\lib\site-packages\theano\compile\mode.py", line 10, in <module>
    import theano.gof.vm
  File "C:\Users\User Name\Anaconda3\lib\site-packages\theano\gof\vm.py", line 659, in <module>
    from . import lazylinker_c
  File "C:\Users\User Name\Anaconda3\lib\site-packages\theano\gof\lazylinker_c.py", line 127, in <module>
    preargs=args)
  File "C:\Users\User Name\Anaconda3\lib\site-packages\theano\gof\cmodule.py", line 2323, in compile_str
    (status, compile_stderr.replace('\n', '. ')))
Exception: Compilation failed (return status=1): g++.exe: error: Kronk\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\lazylinker_ext.pyd: No such file or direc. g++.exe: error: Kronk\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_Genui. Intel-3.4.5-64\lazylinker_ext\mod.cpp: No such file or directory

I've tried a dozen or so online tutorials at this point, so I'll go through what I've done so far/have installed.

SYSTEM SPECIFICATIONS: OS Name: Microsoft Windows 10 Home System Type: x64-based PC BIOS Mode: UEFI

PYTHON INSTALLATION [python -V]: Python 3.4.5 :: Anaconda custom (64-bit)

PYTHON PACKAGES INSTALLED [conda list]:

# packages in environment at C:\Users\User Name\Anaconda3:
#
_license                  1.1                      py34_1
alabaster                 0.7.9                    py34_0
anaconda                  custom                   py34_0
anaconda-client           1.5.3                    py34_0
argcomplete               1.0.0                    py34_1
astropy                   1.2.1               np111py34_0
babel                     2.3.4                    py34_0
backports_abc             0.4                      py34_0
bcolz                     1.0.0                    py34_0
beautiful-soup            4.3.2                    py34_1
binstar                   0.12                          2
bitarray                  0.8.1                    py34_1
blaze-core                0.9.0                    py34_0
blz                       removed                       0
bokeh                     0.12.3                   py34_1
boto                      2.43.0                   py34_0
bottleneck                1.1.0               np111py34_0
bzip2                     1.0.6                    vc10_3  [vc10]
certifi                   2016.2.28                py34_0
cffi                      1.8.3                    py34_0
click                     6.6                      py34_0
clyent                    1.2.2                    py34_0
colorama                  0.3.7                    py34_0
comtypes                  1.1.2                    py34_0
conda                     4.2.12                   py34_0
conda-build               2.0.7                    py34_0
conda-env                 2.6.0                         0
configobj                 5.0.6                    py34_0
cryptography              1.5.2                    py34_0
cycler                    0.10.0                   py34_0
cython                    0.25.1                   py34_0
cytoolz                   0.8.0                    py34_0
datashape                 0.5.2                    py34_0
decorator                 4.0.10                   py34_0
Django                    1.10.2                    <pip>
docutils                  0.12                     py34_2
dynd-python               removed                       0
entrypoints               0.2.2                    py34_0
et_xmlfile                1.0.1                    py34_0
fastcache                 1.0.2                    py34_1
filelock                  2.0.6                    py34_0
flask                     0.11.1                   py34_0
freetype                  2.5.5                    vc10_1  [vc10]
greenlet                  0.4.10                   py34_0
h5py                      2.6.0               np111py34_2
hdf5                      1.8.15.1                 vc10_4  [vc10]
idna                      2.1                      py34_0
imagesize                 0.7.1                    py34_0
ipykernel                 4.5.0                    py34_0
ipython                   5.1.0                    py34_0
ipython-notebook          4.0.4                    py34_3
ipython-qtconsole         4.0.1                    py34_4
ipython_genutils          0.1.0                    py34_0
itsdangerous              0.24                     py34_0
jdcal                     1.3                      py34_0
jedi                      0.9.0                    py34_1
jinja2                    2.8                      py34_1
jpeg                      8d                       vc10_2  [vc10]
jsonschema                2.5.1                    py34_0
jupyter_client            4.4.0                    py34_0
jupyter_core              4.2.0                    py34_0
Lasagne                   0.1                       <pip>
launcher                  1.0.0                         4
libpng                    1.6.22                   vc10_0  [vc10]
libpython                 3.4.3                     <pip>
libpython                 2.0                      py34_0
libtiff                   4.0.6                    vc10_2  [vc10]
llvmlite                  0.14.0                   py34_0
lxml                      3.6.4                    py34_0
m2w64-binutils            2.25.1                        4
m2w64-bzip2               1.0.6                         5
m2w64-crt-git             5.0.0.4636.2595836               1
m2w64-gcc                 5.3.0                         5
m2w64-gcc-ada             5.3.0                         5
m2w64-gcc-fortran         5.3.0                         5
m2w64-gcc-libgfortran     5.3.0                         5
m2w64-gcc-libs            5.3.0                         6
m2w64-gcc-objc            5.3.0                         5
m2w64-gmp                 6.1.0                         1
m2w64-headers-git         5.0.0.4636.c0ad18a               1
m2w64-isl                 0.16.1                        1
m2w64-libiconv            1.14                          5
m2w64-libmangle-git       5.0.0.4509.2e5a9a2               1
m2w64-libwinpthread-git   5.0.0.4634.697f757               1
m2w64-make                4.1.2351.a80a8b8               1
m2w64-mpc                 1.0.3                         2
m2w64-mpfr                3.1.4                         3
m2w64-pkg-config          0.29.1                        1
m2w64-toolchain           5.3.0                         6
m2w64-tools-git           5.0.0.4592.90b8472               1
m2w64-windows-default-manifest 6.4                           2
m2w64-winpthreads-git     5.0.0.4634.697f757               1
m2w64-zlib                1.2.8                         9
markupsafe                0.23                     py34_2
matplotlib                1.5.1               np111py34_0
menuinst                  1.4.2                    py34_1
mingw                     4.7                           1
mistune                   0.7.3                    py34_0
mkl                       11.3.3                        1
mkl-service               1.1.2                    py34_2
mock                      2.0.0                    py34_0
mpmath                    0.19                     py34_1
msys2-conda-epoch         20160418                      0
multipledispatch          0.4.9                    py34_0
mysqlclient               1.3.7                     <pip>
nbconvert                 4.2.0                    py34_0
nbformat                  4.1.0                    py34_0
networkx                  1.11                     py34_0
nltk                      3.2.1                    py34_0
node-webkit               0.10.1                        0
nose                      1.3.7                    py34_1
notebook                  4.2.3                    py34_0
numba                     0.29.0              np111py34_0
numexpr                   2.6.1               np111py34_1
numpy                     1.11.2                   py34_0
odo                       0.5.0                    py34_1
openpyxl                  2.4.0                    py34_0
openssl                   1.0.2j                   vc10_0  [vc10]
pandas                    0.19.0              np111py34_0
path.py                   8.2.1                    py34_0
patsy                     0.4.1                    py34_0
pbr                       1.10.0                   py34_0
pep8                      1.7.0                    py34_0
pickleshare               0.7.4                    py34_0
pillow                    3.4.2                    py34_0
pip                       8.1.2                    py34_0
pip                       9.0.0                     <pip>
pip                       8.1.2                     <pip>
pkginfo                   1.3.2                    py34_0
ply                       3.9                      py34_0
prompt_toolkit            1.0.8                    py34_0
psutil                    4.4.2                    py34_0
psycopg2                  2.6.2                     <pip>
py                        1.4.31                   py34_0
pyasn1                    0.1.9                    py34_0
pycosat                   0.6.1                    py34_1
pycparser                 2.16                     py34_0
pycrypto                  2.6.1                    py34_4
pyflakes                  1.3.0                    py34_0
pygments                  2.1.3                    py34_0
pyopenssl                 16.0.0                   py34_0
pyparsing                 2.1.4                    py34_0
pyqt                      4.11.4                   py34_7
pyreadline                2.1                      py34_0
pytables                  3.2.2               np111py34_4
pytest                    3.0.3                    py34_0
python                    3.4.5                         0
python-dateutil           2.5.3                    py34_0
pytz                      2016.7                   py34_0
pywin32                   220                      py34_1
pyyaml                    3.12                     py34_0
pyzmq                     16.0.0                   py34_0
qt                        4.8.7                    vc10_9  [vc10]
qtconsole                 4.2.1                    py34_0
requests                  2.11.1                   py34_0
rope                      0.9.4                    py34_1
ruamel_yaml               0.11.14                  py34_0
runipy                    0.1.3                    py34_0
scikit-image              0.12.3              np111py34_1
scikit-learn              0.17.1                    <pip>
scikit-learn              0.18                np111py34_0
scikit-neuralnetwork      0.7                       <pip>
scipy                     0.18.1              np111py34_0
setuptools                27.2.0                   py34_1
simplegeneric             0.8.1                    py34_1
sip                       4.18                     py34_0
six                       1.10.0                   py34_0
snowballstemmer           1.2.1                    py34_0
sockjs-tornado            1.0.3                    py34_0
sphinx                    1.4.8                    py34_0
sphinx_rtd_theme          0.1.9                    py34_0
spyder                    2.3.8                    py34_1
spyder-app                2.3.8                    py34_0
sqlalchemy                1.1.3                    py34_0
statsmodels               0.6.1               np111py34_1
sympy                     1.0                      py34_0
Theano                    0.9.0.dev4                <pip>
theano                    0.8.2                    py34_0
tk                        8.5.18                   vc10_0  [vc10]
toolz                     0.8.0                    py34_0
tornado                   4.4.2                    py34_0
traitlets                 4.3.1                    py34_0
ujson                     1.35                     py34_0
vs2010_runtime            10.00.40219.1                 2
wcwidth                   0.1.7                    py34_0
werkzeug                  0.11.11                  py34_0
wheel                     0.29.0                   py34_0
win_unicode_console       0.5                      py34_0
xlrd                      1.0.0                    py34_0
xlsxwriter                0.9.3                    py34_0
xlwings                   0.10.0                   py34_0
xlwt                      1.1.2                    py34_0
zlib                      1.2.8                    vc10_3  [vc10]

INSTALLED PROGRAMS (the ones I think are relevant?):

Microsoft .NET Framework 4.5 SDK
Microsoft .NET Framework 4.6 SDK
Microsoft .NET Framework 4.6.1 SDK
Microsoft Visual C++ 2005 Redistributable
Microsoft Visual C++ 2008 Redistributable
Microsoft Visual C++ 2010 Redistributable
Microsoft Visual C++ 2012 Redistributable
Microsoft Visual C++ 2013 Redistributable
Microsoft Visual C++ 2015 Redistributable
Microsoft Visual C++ Compilers 2010 SP1 Standard
Microsoft Visual Studio Community 2015 with Updates
Microsoft Visual Studio Express 2012 for Windows Desktop
Microsoft Visual Studio Express 2015 for Windows Desktop
Microsoft Windows SDK for Windows 7 (7.1)
NVIDIA CUDA Toolkit 5.5
NVIDIA Graphics Driver 354.74
TDM-GCC

ENVIRONMENTAL VARIABLES (echo %PATH%):

C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\bin;C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v5.5\libnvvp;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Common Files\lenovo\easyplussdk\bin;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\Program Files\SASHome\SASFoundation\9.4\ets\sasexe;C:\Program Files\SASHome\Secure\ccme4;C:\Program Files\SASHome\x86\Secure\ccme4;C:\Program Files (x86)\PharosSystems\Core;C:\Program Files (x86)\Brackets\command;C:\Program Files\Git\cmd;C:\Program Files\nodejs\;C:\Program Files (x86)\Skype\Phone\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft Windows Performance Toolkit\;C:\Program Files (x86)\QuickTime\QTSystem\;C:\Program Files\Microsoft SQL Server\120\Tools\Binn\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\WINDOWS\system32\config\systemprofile\.dnx\bin;C:\Program Files\Microsoft DNX\Dnvm\;C:\Users\User Name\Anaconda3;C:\Users\User Name\Anaconda3\Scripts;C:\Users\User Name\AppData\Roaming\npm;C:\Users\User Name\AppData\Local\Microsoft\WindowsApps;C:\TDM-GCC-64\x86_64-w64-mingw32\bin;C:\blaslapack;Name=THEANO_FLAGS, Value=floatX=float32,device=cpu,blas.ldflags=-LC:/blaslapack -lblas;C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin

Any help would be VERY, VERY, VERY appreciated!!!!

Please let me know if more information is needed for a proper diagnosis.

EDIT 1:

The error I got following the tutorial posted by Andrej Žukov-Gregorič below:

Problem occurred during compilation with the command line below:
C:\Users\User Name\Anaconda3\envs\py34\MinGW\bin\g++.exe -shared -g -DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION -m64 -DMS_WIN64 -I"C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\numpy\core\include" -I"C:\Users\User Name\Anaconda3\envs\py34\include" -I"C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof" -L"C:\Users\User Name\Anaconda3\envs\py34\libs" -L"C:\Users\User Name\Anaconda3\envs\py34" -o C:\Users\User Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\lazylinker_ext.pyd C:\Users\User Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\mod.cpp -lpython34
'C:\Users\User' is not recognized as an internal or external command,
operable program or batch file.

Traceback (most recent call last):
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\lazylinker_c.py", line 75, in <module>
    raise ImportError()
ImportError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\lazylinker_c.py", line 92, in <module>
    raise ImportError()
ImportError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\__init__.py", line 70, in <module>
    from theano.compile import (
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\compile\__init__.py", line 10, in <module>
    from theano.compile.function_module import *
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\compile\function_module.py", line 21, in <module>
    import theano.compile.mode
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\compile\mode.py", line 10, in <module>
    import theano.gof.vm
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\vm.py", line 659, in <module>
    from . import lazylinker_c
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\lazylinker_c.py", line 127, in <module>
    preargs=args)
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\cmodule.py", line 2323, in compile_str
    (status, compile_stderr.replace('\n', '. ')))
Exception: Compilation failed (return status=1): 'C:\Users\User' . operable program or batch file.or external command,

EDIT 2:

OK, so I messed up my .theanorc file... I had:

[global]
cxx=C:\Users\User Name\Anaconda3\envs\py34\MinGW\bin\g++.exe

Instead of

[global]
cxx="C:\Users\User Name\Anaconda3\envs\py34\MinGW\bin\g++.exe"

However, now I'm getting the following error:

Problem occurred during compilation with the command line below:
"C:\Users\User Name\Anaconda3\envs\py34\MinGW\bin\g++.exe" -shared -g -DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION -m64 -DMS_WIN64 -I"C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\numpy\core\include" -I"C:\Users\User Name\Anaconda3\envs\py34\include" -I"C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof" -L"C:\Users\User Name\Anaconda3\envs\py34\libs" -L"C:\Users\User Name\Anaconda3\envs\py34" -o C:\Users\User Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\lazylinker_ext.pyd C:\Users\User Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\mod.cpp -lpython34
g++.exe: error: Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\lazylinker_ext.pyd: No such file or directory
g++.exe: error: C:\Users\User: No such file or directory
g++.exe: error: Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\mod.cpp: No such file or directory

Traceback (most recent call last):
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\lazylinker_c.py", line 75, in <module>
    raise ImportError()
ImportError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\lazylinker_c.py", line 92, in <module>
    raise ImportError()
ImportError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\__init__.py", line 70, in <module>
    from theano.compile import (
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\compile\__init__.py", line 10, in <module>
    from theano.compile.function_module import *
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\compile\function_module.py", line 21, in <module>
    import theano.compile.mode
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\compile\mode.py", line 10, in <module>
    import theano.gof.vm
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\vm.py", line 659, in <module>
    from . import lazylinker_c
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\lazylinker_c.py", line 127, in <module>
    preargs=args)
  File "C:\Users\User Name\Anaconda3\envs\py34\lib\site-packages\theano\gof\cmodule.py", line 2323, in compile_str
    (status, compile_stderr.replace('\n', '. ')))
Exception: Compilation failed (return status=1): g++.exe: error: Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\lazylinker_ext.pyd: No such file. g++.exe: error: Name\AppData\Local\Theano\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64\lazylinker_ext\mo. cpp: No such file or directory

Andrej Žukov-Gregorič · Answer 1 · 2016-11-04T10:22:48.433

3

Installing theano:

Set up Anaconda - a free open source distribution of the python language. It comes with conda, its own package manager. Download the 64-bit python 3.x installer from Anaconda's website and install it.
Install a python 3.4 environment (I've heard of people having problems with 3.5) by running conda create -n py34 python=3.4 anaconda. To switch from the default python 3.x environment to the 3.4 one just run activate py34.
Run conda install mingw libpython this will install a c++ compiler into your py34 environment.
Checkout the latest bleeding edge version of theano. Go to Theano's github page, click on Clone or download > Downdload ZIP.
Run pip --no-cache-dir install theano-master.zip. (At the time of writing conda does not contain theano so you must use pip to install it.) The reason for the --no-cache-dir flag is to force a clean install and prevent pip from using any previously cached theano files.
Create a blank file called .theanorc and place it in your home directory which is usually C:\Users\username on windows. Populate it with the following:
```
[global]
cxx=C:\<path_to_anaconda>\Anaconda3\envs\py34\MinGW\bin\g++.exe 
```
This tells theano where to find the c++ compiler.
Add g++.exe to your environment path

Tips:

A nice linux console emulator for windows because the windows command prompt is just annoying for some: cmdr - use this to enter in your conda commands etc.
How to set environment variables in windows - essentially, add ;C:\<path_to_anaconda>\Anaconda3\envs\py34\MinGW\bin\g++.exe to the end of your path.

edited Nov 04 '16 at 10:22

answered Nov 04 '16 at 10:15

Andrej Žukov-Gregorič

555
3
15

I followed this and am getting a new error when I run `activate py34`, `python`, and `import theano`. (Note I did restart the command prompt once I changed the environmental variable, which is confirmed by running `echo %PATH%`). I will post the error as an edit to the original question. – user3684314 Nov 04 '16 at 15:33
Wait hold on... I messed something up, but I'm still getting a different error hold on... – user3684314 Nov 04 '16 at 15:43
Seems like it's pointing to the wrong location :( Did you enter your username correctly? Are there any spaces in the path? Did you call your python 3.4 environment py34? Not sure if this: http://stackoverflow.com/questions/3848357/createprocess-no-such-file-or-directory is related but maybe you have to reboot / open a new terminal. – Andrej Žukov-Gregorič Nov 04 '16 at 22:27
There are spaces in the path... Is there any way to solve that? Thanks!! – user3684314 Nov 07 '16 at 14:57
Take a look at this: http://stackoverflow.com/questions/39595392/windows-theano-keras-lazylinker-ext-mod-cpp-no-such-file-or-directory – Andrej Žukov-Gregorič Nov 08 '16 at 11:43
I'm confused about this... I added the line `compiledir="C:\Users\User Name"` and I'm getting an error: `ValueError: Unable to create the compiledir directory 'C:\Users\User Name\"C:\Users\User Name"\compiledir_Windows-10-10.0.14393-Intel64_Family_6_Model_94_Stepping_3_GenuineIntel-3.4.5-64'. Check the permissions.` which doesn't make any sense? – user3684314 Nov 08 '16 at 19:41
At least we now know the errors have to do with your filepaths. Are you sure you have full permissions in that dir? – Andrej Žukov-Gregorič Nov 08 '16 at 19:45
Which dir do you mean and which permissions? (Like read/write?) – user3684314 Nov 08 '16 at 21:37

score 0 · Answer 2 · answered Nov 04 '16 at 04:52

I was able to install Theano for python 3 on my windows 10 machine with GPU support. For me I found the most helpful guide to be this one, and I followed it very carefully.

If you are looking for more inspiration you could try the links below as well, but I would strongly suggest only following the tutorial linked above. alt-link-1, alt-link-2

Good luck.

Difficulties installing Theano on 64-bit Windows 10 System, Python 3

2 Answers2