unrar2-cffi 0.4.0

Read RAR file from python -- cffi edition

unrar2-cffi -- Work with RAR files.

Description

unrar2-cffi is a python extension that exposes unrar library functionality through a zipfile-like interface.

This is a fork/modified version of unrar-cffi that supports modern Python starting from 3.9+

This build also target unrar 7.x instead of unrar 5.x from the original unrar-cffi project.

Difference

This packages has some difference to the original one:

• Added typing information
• Added __slots__ to improve performance a bit.
• Moved all the RarInfo into at-property data
  • Now you can access the raw header data by using file._header
• Added docstring to most functions.
• Implement RarFile.printdir()

Features

The package implements the following RarFile functions:

• namelist()
• infolist()
• getinfo()
• read()
• open()
• testrar()
• rarfile.is_rar_file()

Usage

1. Install with PIP:

   pip install unrar2-cffi

2. Use from code:

from unrar.cffi import rarfile

rar = rarfile.RarFile('sample.rar')

assert rar.testrar() == None

for filename in rar.namelist():
    info = rar.getinfo(filename)
    print("Reading {}, {}, {} bytes ({} bytes compressed)".format(info.filename, info.date_time, info.file_size, info.compress_size))
    data = rar.read(filename)
    print("\t{}...\n".format(data[:100]))

Build

Requirements

Linux/macOS:

• gcc compiler suite (build-essential packages should be enough)
• docker (only for buildmanylinux)

Windows:

• VS2022 Build Tools (PLATFORM_TOOLSET=v143)
• Visual C++ compiler suite
• vswhere

Compile and test

1. ./build.sh init
2. ./build.sh build
3. ./build.sh test

If you have docker installed, you can build all the manylinux wheels:

1. ./build.sh within [manylinux docker image] buildmanylinux
2. ./build.sh within [manylinux docker image] testmanylinux

By deafult the image quay.io/pypa/manylinux2010_x86_64 will be used. Use $DOCKER_IMAGE and $PLAT variables to customize the build.

Problems

Windows:

• If you need to retarget solution, apply the 0001-build-retarget-to-vs2022-10.0-v143.patch that will utilize the latest version.

macOS:

• The macOS version are monkeypatching unrar 6.x makefile to utilize C++11