python install jnius, sikuli ;Exception: Unable to determine JDK_HOME

python :

pip install  jnius, sikuli

Raise：Exception: Unable to determine JDK_HOME

java，need to be in system path

jython, also need to be in system path,

参考 pyjnius 文档

http://pyjnius.readthedocs.io/en/latest/installation.html

Installation for Windows

Python and pip must be installed and present in PATH.

1. Download and install JDK and JRE:

   http://www.oracle.com/technetwork/java/javase/downloads/index.html

2. Edit your system and environment variables (use the appropriate Java version):

   Add to Environment Variables:

   • JDK_HOME: C:Program FilesJavajdk1.7.0_79
   • PATH: C:Program FilesJavajdk1.7.0_79jreinserver

   Add to System Variables:

   • PATH: C:Program FilesJavajdk1.7.0_79in\`

3. Download and install Microsoft Visual C++ Compiler for Python 2.7:

   http://aka.ms/vcpython27

4. Update pip and setuptools:

   python -m pip install --upgrade pip setuptools
   

5. Install Cython:

   python -m pip install --upgrade Cython
   

6. Install Pyjnius:

   pip install pyjnius