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Description:

javatools 1.6.0

Overview of python-javatools
A python module for unpacking and inspecting Java Class files,
JARs, and collections of either. Supporting features up to JDK 8.
It can do deep checking of classes to perform comparisons of
functionality, and output reports in multiple formats.

python-javatools on GitHub
python-javatools on PyPI

If you have suggestions, please use the issue tracker on github. Or
heck, just fork it!
Requirements

Python 2.7, 3.7, 3.8, 3.9, 3.10, 3.11
Setuptools
Six
Cheetah3 is used in the generation of HTML reports
M2Crypto (optional) is used for cryptographic operations

In addition, the following tools are used in building and testing the
project.

Tox
GNU Make
Flake8

All of these packages are available in most linux distributions
(eg. Fedora), and for OSX via MacPorts and HomeBrew, or available
directly from pip.
M2Crypto can be difficult on some platforms, and so is set as an
optional dependency. If an execution path attempts to perform an
action which requires M2Crypto (primarily Jar signing and Jar
signature verification), then a CryptoDisabled exception will be
raised, or a message will be printed to stdout explaining that the
feature is unavailable. See the M2Crypto Install Guide for
workarounds in your environment.
Building
This module uses setuptools, so running the following will build the
project:
python setup.py build
to install, run:
python -m pip install . --user
Testing
Tests are written as unittest test cases. If you'd like to run the tests,
simply invoke:
python setup.py test
or invoke tests across a wider range of platforms via tox
RPM
If you'd prefer to build an RPM, see the wiki entry for
Building as an RPM.
Javatools Scripts

classinfo - similar to the javap utility included with most
JVMs. Also does provides/requires tracking.

classdiff - attempts to find differences between two Java class
files

jarinfo - prints information about a JAR. Also does
provides/requires tracking.

jardiff - prints the deltas between the contents of a JAR, and runs
classdiff on differing Java class files contained in the JARs

jarutil - creates and signs JARs, verifies JAR signatures

manifest - creates and queries JAR manifests

distinfo - prints information about a mixed multi-jar/class
distribution, such as provides/requires lists.

distdiff - attempts to find differences between two distributions,
deep-checking any JARs or Java class files found in either
directory.

Additional References

Oracle's Java Virtual Machine Specification
Chapter 4 "The class File Format"
Java Archive (JAR) Files

Contact
Author: Christopher O'Brien obriencj@gmail.com
If you're interested in my other projects, feel free to visit
my blog.
Original Git Repository: https://github.com/obriencj/python-javatools
License
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 3 of the
License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see
http://www.gnu.org/licenses/.