我的问题是关于在C ++中嵌入python。我想嵌入一个导入tensorflow和numpy的python模块。我能够嵌入一个无法成功导入tensorflow或numpy的python代码。另外,在我的python中使用tensorflow也没有问题。 我的设置是 操作系统:Linux Ubuntu 16.04 Python版本:3.5
我使用PyRun_SimpleString()测试了各种情况。我尝试了Importing tensorflow when embedding python in c++ returns null
Py_Initialize();
PySys_SetArgv(argc, (wchar_t**)argv);
PyRun_SimpleString("import os \n"
"print('Hello TF!!!')");)
Py_Finalize();
但是它给出了错误
Fatal Python error: no mem for sys.argv
ValueError: character U+65442f2e is not in range [U+0000; U+10ffff]
Current thread 0x00007f5a69506740 (most recent call first):
Aborted (core dumped)
这是我的main.cpp和CMakeLists.txt文件:
main.cpp:
#include "Python.h"
#include <iostream>
using namespace std;
int main(int argc, char *argv[]) {
Py_Initialize();
PyRun_SimpleString("import tensorflow \n"
"print('Hello TF!!!')");
Py_Finalize();
return 0;
}
CMakeLists.txt
cmake_minimum_required(VERSION 3.13)
project(Demo)
set(CMAKE_CXX_STANDARD 14)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I/usr/include/python3.5 -I/usr/include/x86_64-linux-gnu/python3.5 -fno-strict-aliasing -Wdate-time -D_FORTIFY_SOURCE=2 -g -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes")
add_executable(Demo main.cpp)
set(PYTHON_EXECUTABLE "/usr/bin/python3.5")
set(PYTHON_INCLUDE_DIR "/usr/include/python3.5m")
set(PYTHON_LIBRARIES "/usr/lib/x86_64-linux-gnu/libpython3.5m.so")
include_directories(${PYTHON_INCLUDE_DIRS})
include_directories(${PYTHON_DIRECTORIES})
target_link_libraries(Demo ${PYTHON_LIBRARIES})
使用命令构建代码:
cmake --build . --target Demo -- -j 2
使用命令执行:
./Demo
执行程序时,出现以下错误提示:
Traceback (most recent call last):
File "<string>", line 1, in <module>
ImportError: No module named 'tensorflow'
如果我使用“ import os” /“ import time”代替“ import tensorflow”,则使用“ Hello TF !!!”。是结果。
如何解决此错误? CMakeList.txt中是否缺少任何内容?
答案 0 :(得分:0)
我又按照https://www.tensorflow.org/install/pip中给出的步骤安装了Tensorflow,并在创建的虚拟环境中执行了上述代码。然后,问题解决了。