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ImportError: dynamic module does not define module export function (PyInit__caffe) #6054

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monajalal opened this issue Nov 13, 2017 · 12 comments

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@monajalal
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@monajalal monajalal commented Nov 13, 2017

[jalal@goku caffe]$ pwd
/scratch/caffe

$make clean
$mkdir build
$cd build 
$cmake -DBLAS=open ..
$make install all -j 12
$sudo make install

(I get no error for above). The only change I have made in the code I got from git repo is copying Makefile.config.example to Makefile.config and changing a few things to reflect I am using opencv, Anaconda Python and also cudnn

[jalal@goku caffe]$ python
Python 3.5.4 |Anaconda custom (64-bit)| (default, Nov  9 2017, 00:39:12) 
[GCC 7.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import caffe
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/scratch/caffe/python/caffe/__init__.py", line 1, in <module>
    from .pycaffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, RMSPropSolver, AdaDeltaSolver, AdamSolver, NCCL, Timer
  File "/scratch/caffe/python/caffe/pycaffe.py", line 13, in <module>
    from ._caffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, \
ImportError: dynamic module does not define module export function (PyInit__caffe)
>>> quit()
[jalal@goku caffe]$ tail -5 ~/.bashrc
#export PYTHONPATH=$HOME/caffe/python
export PYTHONPATH=/scratch/caffe/python
#export CAFFE_ROOT=$HOME/caffe

export PATH=/usr/local/anaconda3/bin/python:$PATH


I basically need to import caffe in the Anaconda Python 3.
ImportError: dynamic module does not define module export function (PyInit__caffe)

Here is the Makefile.config

[jalal@goku caffe]$ cat Makefile.config
## Refer to http://caffe.berkeleyvision.org/installation.html
# Contributions simplifying and improving our build system are welcome!

# cuDNN acceleration switch (uncomment to build with cuDNN).
USE_CUDNN := 1

# CPU-only switch (uncomment to build without GPU support).
# CPU_ONLY := 1

# uncomment to disable IO dependencies and corresponding data layers
USE_OPENCV := 1
# USE_LEVELDB := 0
# USE_LMDB := 0

# uncomment to allow MDB_NOLOCK when reading LMDB files (only if necessary)
#	You should not set this flag if you will be reading LMDBs with any
#	possibility of simultaneous read and write
# ALLOW_LMDB_NOLOCK := 1

# Uncomment if you're using OpenCV 3
OPENCV_VERSION := 3

# To customize your choice of compiler, uncomment and set the following.
# N.B. the default for Linux is g++ and the default for OSX is clang++
# CUSTOM_CXX := g++

# CUDA directory contains bin/ and lib/ directories that we need.
CUDA_DIR := /usr/local/cuda
# On Ubuntu 14.04, if cuda tools are installed via
# "sudo apt-get install nvidia-cuda-toolkit" then use this instead:
# CUDA_DIR := /usr

# CUDA architecture setting: going with all of them.
# For CUDA < 6.0, comment the *_50 through *_61 lines for compatibility.
# For CUDA < 8.0, comment the *_60 and *_61 lines for compatibility.
CUDA_ARCH := -gencode arch=compute_20,code=sm_20 \
		-gencode arch=compute_20,code=sm_21 \
		-gencode arch=compute_30,code=sm_30 \
		-gencode arch=compute_35,code=sm_35 \
		-gencode arch=compute_50,code=sm_50 \
		-gencode arch=compute_52,code=sm_52 \
		-gencode arch=compute_60,code=sm_60 \
		-gencode arch=compute_61,code=sm_61 \
		-gencode arch=compute_61,code=compute_61

# BLAS choice:
# atlas for ATLAS (default)
# mkl for MKL
# open for OpenBlas
BLAS := atlas
# Custom (MKL/ATLAS/OpenBLAS) include and lib directories.
# Leave commented to accept the defaults for your choice of BLAS
# (which should work)!
BLAS_INCLUDE := /usr/lib64/atlas #added by Mona
BLAS_LIB := /usr/lib64/atlas #added by Mona

# Homebrew puts openblas in a directory that is not on the standard search path
# BLAS_INCLUDE := $(shell brew --prefix openblas)/include
# BLAS_LIB := $(shell brew --prefix openblas)/lib

# This is required only if you will compile the matlab interface.
# MATLAB directory should contain the mex binary in /bin.
# MATLAB_DIR := /usr/local
# MATLAB_DIR := /Applications/MATLAB_R2012b.app

# NOTE: this is required only if you will compile the python interface.
# We need to be able to find Python.h and numpy/arrayobject.h.
#PYTHON_INCLUDE := /usr/include/python2.7 \
#		/usr/lib/python2.7/dist-packages/numpy/core/include


# Anaconda Python distribution is quite popular. Include path:
# Verify anaconda location, sometimes it's in root.
ANACONDA_HOME := /usr/local/anaconda3
PYTHON_INCLUDE := $(ANACONDA_HOME)/include \
		 $(ANACONDA_HOME)/include/python3.5m \
		 $(ANACONDA_HOME)/lib/python3.5/site-packages/numpy/core/include

# Uncomment to use Python 3 (default is Python 2)
# PYTHON_LIBRARIES := boost_python3 python3.5m
# PYTHON_INCLUDE := /usr/include/python3.5m \
#                 /usr/lib/python3.5/dist-packages/numpy/core/include

# We need to be able to find libpythonX.X.so or .dylib.
#PYTHON_LIB := /usr/lib
PYTHON_LIB := $(ANACONDA_HOME)/lib

# Homebrew installs numpy in a non standard path (keg only)
# PYTHON_INCLUDE += $(dir $(shell python -c 'import numpy.core; print(numpy.core.__file__)'))/include
# PYTHON_LIB += $(shell brew --prefix numpy)/lib

# Uncomment to support layers written in Python (will link against Python libs)
# WITH_PYTHON_LAYER := 1

# Whatever else you find you need goes here.
INCLUDE_DIRS := $(PYTHON_INCLUDE) /usr/local/include
LIBRARY_DIRS := $(PYTHON_LIB) /usr/local/lib /usr/lib

# If Homebrew is installed at a non standard location (for example your home directory) and you use it for general dependencies
# INCLUDE_DIRS += $(shell brew --prefix)/include
# LIBRARY_DIRS += $(shell brew --prefix)/lib

# NCCL acceleration switch (uncomment to build with NCCL)
# https://github.com/NVIDIA/nccl (last tested version: v1.2.3-1+cuda8.0)
# USE_NCCL := 1

# Uncomment to use `pkg-config` to specify OpenCV library paths.
# (Usually not necessary -- OpenCV libraries are normally installed in one of the above $LIBRARY_DIRS.)
USE_PKG_CONFIG := 1

# N.B. both build and distribute dirs are cleared on `make clean`
BUILD_DIR := build
DISTRIBUTE_DIR := distribute

# Uncomment for debugging. Does not work on OSX due to https://github.com/BVLC/caffe/issues/171
# DEBUG := 1

# The ID of the GPU that 'make runtest' will use to run unit tests.
TEST_GPUID := 0

# enable pretty build (comment to see full commands)
Q ?= @
[jalal@goku caffe]$ 

Please suggest what is wrong and how to fix it?

[jalal@goku caffe]$ uname -a
Linux goku.bu.edu 3.10.0-693.5.2.el7.x86_64 #1 SMP Fri Oct 20 20:32:50 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

[jalal@goku caffe]$ lsb_release -a
LSB Version: :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description: CentOS Linux release 7.4.1708 (Core)
Release: 7.4.1708
Codename: Core



>>> print(cv2.getBuildInformation())

General configuration for OpenCV 3.1.0 =====================================
  Version control:               unknown

  Platform:
    Host:                        Linux 4.8.0-46-generic x86_64
    CMake:                       3.6.3
    CMake generator:             Unix Makefiles
    CMake build tool:            /usr/bin/gmake
    Configuration:               Release

  C/C++:
    Built as dynamic libs?:      YES
    C++ Compiler:                /opt/rh/devtoolset-2/root/usr/bin/c++  (ver 4.8.2)
    C++ flags (Release):         -I/cs/software/anaconda3/include    -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wno-narrowing -Wno-delete-non-virtual-dtor -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -mno-avx -msse3 -mno-ssse3 -mno-sse4.1 -mno-sse4.2 -ffunction-sections -fvisibility=hidden -fvisibility-inlines-hidden -fopenmp -O3 -DNDEBUG  -DNDEBUG
    C++ flags (Debug):           -I/cs/software/anaconda3/include    -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wno-narrowing -Wno-delete-non-virtual-dtor -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -mno-avx -msse3 -mno-ssse3 -mno-sse4.1 -mno-sse4.2 -ffunction-sections -fvisibility=hidden -fvisibility-inlines-hidden -fopenmp -g  -O0 -DDEBUG -D_DEBUG
    C Compiler:                  /opt/rh/devtoolset-2/root/usr/bin/cc
    C flags (Release):           -I/cs/software/anaconda3/include    -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wno-narrowing -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -mno-avx -msse3 -mno-ssse3 -mno-sse4.1 -mno-sse4.2 -ffunction-sections -fvisibility=hidden -fopenmp -O3 -DNDEBUG  -DNDEBUG
    C flags (Debug):             -I/cs/software/anaconda3/include    -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wno-narrowing -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -msse -msse2 -mno-avx -msse3 -mno-ssse3 -mno-sse4.1 -mno-sse4.2 -ffunction-sections -fvisibility=hidden -fopenmp -g  -O0 -DDEBUG -D_DEBUG
    Linker flags (Release):
    Linker flags (Debug):
    Precompiled headers:         YES
    Extra dependencies:          /cs/software/anaconda3/lib/libjpeg.so /cs/software/anaconda3/lib/libpng.so /cs/software/anaconda3/lib/libtiff.so /cs/software/anaconda3/lib/libhdf5.so /usr/lib64/librt.so /usr/lib64/libpthread.so /cs/software/anaconda3/lib/libz.so /usr/lib64/libdl.so /usr/lib64/libm.so dl m pthread rt
    3rdparty dependencies:       libwebp libjasper IlmImf libprotobuf

  OpenCV modules:
    To be built:                 core flann hdf imgproc ml photo reg surface_matching video dnn fuzzy imgcodecs shape videoio highgui objdetect plot superres xobjdetect xphoto bgsegm bioinspired dpm face features2d line_descriptor saliency text calib3d ccalib datasets rgbd stereo structured_light tracking videostab xfeatures2d ximgproc aruco optflow stitching python3
    Disabled:                    world contrib_world
    Disabled by dependency:      -
    Unavailable:                 cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev java python2 ts viz cvv matlab sfm

  GUI: 
    QT:                          NO
    GTK+:                        NO
    GThread :                    NO
    GtkGlExt:                    NO
    OpenGL support:              NO
    VTK support:                 NO

  Media I/O: 
    ZLib:                        /cs/software/anaconda3/lib/libz.so (ver 1.2.8)
    JPEG:                        /cs/software/anaconda3/lib/libjpeg.so (ver 80)
    WEBP:                        build (ver 0.3.1)
    PNG:                         /cs/software/anaconda3/lib/libpng.so (ver 1.6.27)
    TIFF:                        /cs/software/anaconda3/lib/libtiff.so (ver 42 - 4.0.6)
    JPEG 2000:                   build (ver 1.900.1)
    OpenEXR:                     build (ver 1.7.1)
    GDAL:                        NO

  Video I/O:
    DC1394 1.x:                  NO
    DC1394 2.x:                  NO
    FFMPEG:                      NO
      codec:                     NO
      format:                    NO
      util:                      NO
      swscale:                   NO
      resample:                  NO
      gentoo-style:              NO
    GStreamer:                   NO
    OpenNI:                      NO
    OpenNI PrimeSensor Modules:  NO
    OpenNI2:                     NO
    PvAPI:                       NO
    GigEVisionSDK:               NO
    UniCap:                      NO
    UniCap ucil:                 NO
    V4L/V4L2:                    YES/YES
    XIMEA:                       NO
    Xine:                        NO
    gPhoto2:                     NO

  Parallel framework:            OpenMP

  Other third-party libraries:
    Use IPP:                     9.0.1 [9.0.1]
         at:                     /opt/conda/conda-bld/opencv_1491943704081/work/opencv-3.1.0/3rdparty/ippicv/unpack/ippicv_lnx
    Use IPP Async:               NO
    Use VA:                      NO
    Use Intel VA-API/OpenCL:     NO
    Use Eigen:                   YES (ver 3.2.8)
    Use Cuda:                    NO
    Use OpenCL:                  NO
    Use custom HAL:              NO

  Python 2:
    Interpreter:                 (ver 3.5.3)

  Python 3:
    Interpreter:                 /cs/software/anaconda3/bin/python (ver 3.5.3)
    Libraries:                   /cs/software/anaconda3/lib/libpython3.5m.so (ver 3.5.3)
    numpy:                       /cs/software/anaconda3/lib/python3.5/site-packages/numpy/core/include (ver 1.12.1)
    packages path:               /cs/software/anaconda3/lib/python3.5/site-packages

  Python (for build):            

  Java:
    ant:                         NO
    JNI:                         NO
    Java wrappers:               NO
    Java tests:                  NO

  Matlab:                        NO

  Tests and samples:
    Tests:                       NO
    Performance tests:           NO
    C/C++ Examples:              NO

  Install path:                  /cs/software/anaconda3

  cvconfig.h is in:              /opt/conda/conda-bld/opencv_1491943704081/work/opencv-3.1.0/build
-----------------------------------------------------------------


>>> cv2.__version__
'3.1.0'
>>> 



@nn-ww

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@nn-ww nn-ww commented Jan 23, 2018

Hi monajalal,
I also get the same error:
import error: dynamic module does not define module export function (PyInit__caffe)
Have you solved the error?

@sunblade

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@sunblade sunblade commented Feb 8, 2018

I have the same issue, but in my case it was working just after compiling source. I have exited a shell, and after opening it again problem started.

.bashrc

export PYTHONPATH=$HOME/caffe/python:$PYTHONPATH

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@nn-ww nn-ww commented Feb 9, 2018

@pencilzhang

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@pencilzhang pencilzhang commented Mar 16, 2018

@nn-ww Hi, how did you solve this issue? Thanks!

@WUhailing

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@WUhailing WUhailing commented Mar 22, 2018

@pencilzhang Did you fix it? I ran into the same dynamic error when import caffe.

@nn-ww

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@nn-ww nn-ww commented Mar 23, 2018

@WUhailing

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@WUhailing WUhailing commented Mar 23, 2018

@nn-ww Thanks. It turns out to be 'cmake' issue, so switch to 'make', it works.

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@nn-ww nn-ww commented Mar 23, 2018

@pencilzhang

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@pencilzhang pencilzhang commented Apr 16, 2018

Thank you @nn-ww . I switch to cmake then everything works fine on a Mac OS system. @WUhailing

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@AllenYLJiang AllenYLJiang commented Dec 31, 2018

I've solved the problem. In my case, in the first anaconda envs, the protoc is not compatible with pycaffe (caffe), so I entered another envs.

@mrgloom

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@mrgloom mrgloom commented Feb 24, 2019

This problem happens when you use python2 build with python3

Just uncomment:

# Uncomment to use Python 3 (default is Python 2)
PYTHON_LIBRARIES := boost_python3 python3.5m
PYTHON_INCLUDE := /usr/include/python3.5m \
                 /usr/lib/python3.5/dist-packages/numpy/core/include
fanghuaqi added a commit to foss-for-synopsys-dwc-arc-processors/synopsys-caffe that referenced this issue Aug 15, 2019
…function (PyInit__caffe) #6054

see BVLC/caffe#6054

Signed-off-by: Huaqi Fang <Huaqi.Fang@synopsys.com>
@selvakarna

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@selvakarna selvakarna commented Oct 17, 2019

Hi @mrgloom ,
I got following error when i import cadquery package, this package are installed but i got error bellow,

import freecad
import cadquery
Traceback (most recent call last):
File "/home/hp/.local/lib/python3.6/site-packages/cadquery/freecad_impl/init.py", line 151, in
import FreeCAD
ModuleNotFoundError: No module named 'FreeCAD'

During handling of the above exception, another exception occurred:

import FreeCAD
ImportError: dynamic module does not define module export function (PyInit_FreeCAD)

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