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jip 0.5.1 : Python Package Index

jip 0.5.1

jip installs packages, for Jython

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Latest Version:
0.7

Jip is the jython equivalent of pip to python. It will resolve
dependencies and download jars for your jython environment.

License

jip itself is distributed according to MIT License .

Install

jip is required to run within virtualenv, which is a best practice
for python/jython developers to created a standalone, portable
environment.

Create virtualenv with jython:

virtualenv -p /usr/local/bin/jython jython-env

Activate the shell environment:

cd jython-dev
source bin/activate

Download and install jip with pip:

pip install jip

Usage

Install a Java package

jip will resolve dependencies and download jars from maven
repositories. You can install a Java package just like what you do
python with pip:

jip install <groupId>:<artifactId>:<version>

Take spring as example:

jip install org.springframework:spring-core:3.0.5.RELEASE

Resolve dependencies defined in a pom

jip allows you to define dependencies in a maven pom file, which is
more maintainable than typing install command one by one:

jip resolve pom.xml

Resolve dependencies for an artifact

With jip, you can resolve and download all dependencies of an
artifact, without grab the artifact itself (whenever the artifact
is downloadable, for example, just a plain pom). This is especially
useful when you are about to setup an environment for an artifact.
Also, java dependencies for a jython package is defined in this
way.

jip deps info.sunng.gefr:gefr:0.2-SNAPSHOT

Update snapshot artifact

You can use update command to find and download a new deployed
snapshot:

jip update info.sunng.bason:bason-annotation:0.1-SNAPSHOT

Run jython with installed java packages in path

Another script jython-all is shipped with jip. To run jython
with Java packages included in path, just use jython-all
instead of jython

List

Use jip list to see artifacts you just installed

Remove a package

You are suggested to use jip remove to remove an artifact. This
will keep library index consistent with file system.

jip remove org.springframework:spring-core:3.0.5.RELEASE

Currently, there is no dependency check in artifact removal. So you should
be careful when use this command.

Clean

jip clean will remove everything you downloaded, be careful to
use it.

Search

You can also search maven central repository with a jip search [keyword].
The search service is provided by
Sonatype's official Maven search .

Persist current environment state

Before you distribute you environment, you can use freeze to persist
current state into a pom file.

jip freeze > pom.xml

Configuration

You can configure custom maven repository with a dot file, jip will
search configurations in the following order:

1. $VIRTUAL_ENV/.jip, your virtual environment home
2. $HOME/.jip, your home

Here is an example:

[repos:jboss]
uri=http://repository.jboss.org/maven2/
type=remote

[repos:local]
uri=/home/sun/.m2/repository/
type=local

[repos:central]
uri=http://repo1.maven.org/maven2/
type=remote

Be careful that the .jip file will overwrite default settings, so
you must include default local and central repository explicitly.
jip will skip repositories once it finds package matches the maven
coordinator.

From 0.4, you can also define repositories in pom.xml if you use
the resolve command. jip will add these custom repositories
with highest priority.

Distribution helpers

From 0.4, you can use jip in your setup.py to simplify jython
source package distribution. Create pom.xml in the same directory
with setup.py. Fill it with your Java dependencies in standard way.
In this file, you can also define custom repositories. Here is
an example:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

    ...

    <dependencies>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.6.1</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.6.1</version>
        </dependency>

        ...

    </dependencies>

    <repositories>
        <repository>
            <id>sonatype-oss-sonatype</id>
            <url>http://oss.sonatype.org/content/repositories/snapshots/</url>
        </repository>
    </repositories>
</project>

And in your setup.py, use the jip setup wrapper instead of the one
provided by setuptools or distutils. You can add keyword argument
pom to specify a custom name of the pom file.

from jip.dist import setup

Other than the traditional pom configuration, jip also allows you to
describe dependencies in python. You can define a data structure in
your setup.py like:

requires_java = {
    'dependencies':[
        ## (groupdId, artifactId, version)
        ('org.slf4j', 'slf4j-api', '1.6.1'),
        ('org.slf4j', 'slf4j-log4j12', '1.6.1'),
        ('info.sunng.soldat', 'soldat', '1.0-SNAPSHOT'),
        ('org.apache.mina', 'mina-core', '2.0.2')
    ],
    'repositories':[
        ('sonatype-oss-snapshot', 'http://oss.sonatype.org/content/repositories/snapshots/')
    ]
}

And pass it to jip setup as keyword argument requires_java. Once
jip found this argument, it won't try to load a pom file.

from jip.dist import setup
setup(
    ...
    requires_java=requires_java,
    ...)

Another resolve command was added to setuptools, you can use this
command to download all dependencies to library path

jython setup.py resolve

All dependencies will be installed when running

jython setup.py install

So with jip's setup() wrapper, pip will automatically install
what your package needs. You can publish your package to python
cheese shop, and there is just one command for everything

pip install [your-package-name]