A Python module to use liquibase in python, using the Java Native Interface (JNI).

For further details on python-java integration please see here

Python-Java integration requires a Java Development Kit (JDK). Ensure a JDK is installed on your operating system.

install:

pip install pyliquibase

using command line:

pyliquibase --defaultsFile=changelogs/liquibase.properties status pyliquibase --defaultsFile=changelogs/liquibase.properties validate pyliquibase --defaultsFile=changelogs/liquibase.properties updateSQL pyliquibase --defaultsFile=changelogs/liquibase.properties update

using python:

from pyliquibase import Pyliquibase if __name__ == '__main__': liquibase = Pyliquibase(defaultsFile="changelogs/liquibase.properties", logLevel="INFO") # call execute with arguments liquibase.execute("status") liquibase.execute("rollback", "MyTag") # or  liquibase.validate() liquibase.status() liquibase.updateSQL() liquibase.update() liquibase.update_to_tag("MyTag") liquibase.rollback("MyTag") # liquibase maintenance commands liquibase.changelog_sync() liquibase.changelog_sync_to_tag("MyTag") liquibase.clear_checksums() liquibase.release_locks()

This Python library integrates with Java using the LiquibaseCommandLine class. Our Python LiquibaseCommandLine class acts as a reflection of the Java counterpart, passing Liquibase calls to the Java LiquibaseCommandLine.execute(liquibaseargs) method.

This integration leverages Pyjnius, a Python library for accessing Java classes. Pyjnius either starts a new Java Virtual Machine (JVM) within the current process or connects to an existing JVM. For more information on Pyjnius, please refer to their documentation: https://pyjnius.readthedocs.io/en/latest/.

class LiquibaseCommandLine(JavaClass, metaclass=MetaJavaClass): __javaclass__ = 'liquibase/integration/commandline/LiquibaseCommandLine' # methods execute = JavaMethod('([Ljava/lang/String;)I')

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