我正在使用一个Python库,但其他的都是Java。 我希望能够从Java访问和使用Python库,所以我开始研究和使用Jython。我需要使用numpy和neurokit库
我用Java编写了以下简单代码:
PythonInterpreter interpreter = new PythonInterpreter();
interpreter.set("values", 10 );
interpreter.execfile("D:\\PyCharmWorkspace\\IoTproject\\Test.py");
PyObject b = interpreter.get("result");
以及Python中的代码:
import sys
sys.path.append("D:\\PyCharmWorkspace\\venv\\lib\\site-packages")
import numpy as np
result = values + 20
问题是,当它尝试加载模块numpy时,出现以下错误:
Exception in thread "main" Traceback (most recent call last):
File "D:\PyCharmWorkspace\IoTproject\TestECGfeature.py", line 4, in <module>
import numpy as np
File "D:\PyCharmWorkspace\venv\lib\site-packages\numpy\__init__.py", line 142, in <module>
from . import core
File "D:\PyCharmWorkspace\venv\lib\site-packages\numpy\core\__init__.py", line 24, in <module>
from . import multiarray
File "D:\PyCharmWorkspace\venv\lib\site-packages\numpy\core\__init__.py", line 24, in <module>
from . import multiarray
File "D:\PyCharmWorkspace\venv\lib\site-packages\numpy\core\multiarray.py", line 14, in <module>
from . import overrides
File "D:\PyCharmWorkspace\venv\lib\site-packages\numpy\core\overrides.py", line 166
SyntaxError: unqualified exec is not allowed in function 'decorator' because it contains free variables
我也试着这样做:
interpreter.exec("import sys");
interpreter.exec("sys.path.append('D:\\PyCharmWorkspace\\venv\\lib\\site-packages')");
interpreter.exec("import numpy as np");
我得到:
Exception in thread "main" Traceback (most recent call last):
File "<string>", line 1, in <module>
ImportError: No module named numpy
要安装Jython,我必须将jar文件添加到项目构建路径中
我发现jep和jpy可以使java与python进行通信,但我没有找到如何安装或使用它们
我需要的是调用一个Python函数,给出参数并得到结果。 我如何使用Jython解决问题
以下代码可用于执行python脚本
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