PyJNIus depends on Cython and the Java Development Kit (includes the Java RuntimeEnvironment).
Installation on GNU/Linux distributions¶
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You need the GNU Compiler Collection (GCC), the JDK and JRE installed (openjdkwill do), and Cython. Then, just type:
If you want to compile the extension within the directory for any development,just type:
You can run the tests suite to make sure everything is running right:
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Installation for Android¶
To use pyjnius in an Android app, you must include it in your compiledPython distribution. This is done automatically if you build a Kivy app, but you can also add it to yourrequirements explicitly as follows.
If you use buildozer, add pyjnius to yourrequirements in buildozer.spec:
If you use python-for-android directly, addpyjnius to the requirements argument when creating a dist or apk:
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Installation for Windows¶
Python and pip must be installed and present in the PATH
environment variable.
Download and install the JDK containing the JRE:
Edit your system and environment variables (use the appropriate Java bitnessand version in the paths):
Add to your Environment Variables:
JAVA_HOME
: C:Program FilesJavajdk1.7.0_79binPATH
: C:Program FilesJavajdk1.7.0_79jrebinservercontains thejvm.dll
necessary for importing and using PyJNIus.Note
set PATH=%PATH%;C:Program FilesJavajdk1.7.0_79jrebinserver
- Add to System Variables or have it present in your
PATH
: PATH
: C:Program FilesJavajdk1.7.0_79bin`
Download and install the C compiler:
Microsoft Visual C++ Compiler for Python 2.7:
MinGWPy for Python 2.7:
Microsoft Visual C++ Build Tools (command-line tools subset of VisualStudio) for Python 3.5 and 3.6:
For other versions see Python’s Windows Compilers wiki.
Update pip and setuptools:
Install Cython:
Install Pyjnius:
Note
In case of MinGWPy’s GCC returning a
CreateProcessfailed:5
erroryou need to run the command prompt with elevated permissions, so thatthe compiler can access the JDK inC:ProgramFilesJavajdkx.y.z_b
orC:ProgramFiles(x86)Javajdkx.y.z_b
.
Installation for macOS¶
Python and pip must be installed and present in the PATH
environment variable.
Download and install the JDK containing the JRE:
Edit your system and environment variables (use the appropriate Java bitnessand version in the paths):
Add to your Environment Variables:
exportJAVA_HOME=/usr/libexec/java_home
Install Xcode command-line tools.
Update pip and setuptools:
Install Cython:
Install Pyjnius:
Installation for Conda¶
Similar to PIP there is a package manager forAnaconda <https://www.anaconda.com/what-is-anaconda/> called Conda.An unofficial compiled distributions of PyJNIus for Conda supportedplatforms you can find at https://anaconda.org/conda-forge/pyjnius.
You can install pyjnius
with this command:
Or if you want a specific package label e.g. gcc7
: