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Project Description


PyMMBfuse is a FUSE (Filesystem in User Space) written in Python to provide access to BBC Microcomputer DFS disc images, and MMB disc image bundles.


The BBC Microcomputer has been around for many years (over 30 years now), and in all that time it has supported Tape, Floppy Disk, and occasionally small Hard Disk Drive storage (If you have a 1770 and ADFS) but thanks to the work of a number of enthusiasts there is now an inexpensive add-on to allow any BBC Microcomputer (even those without Floppy Disk hardware) to access mass storage on MMC Flash Cards.

This is wonderful but then poses a further problem, how to get the disk images that the MMC/SuperMMC/TurboMMC hardware supports onto the flash card?

There are some tools which have been used for several years, they work ok, as long as you are running a supported version of Windows (They don’t work, for example, under Wine or CrossoverOffice), but I’ve found them a little confusing. The process to create an MMB, add a new disk and put files on it is well documented but requires several steps and provides ample opportunity for mistakes.


This is where PyMMB is intended to fit in. The aim of the project is to provide a platform independant library, command-line toolset, GUI application and FUSE binding for managing files stored on DFS disks, contained within MMB files.

This package is the FUSE driver which allows you to mount a DFS or MMB file as though it were a normal device on your Un*x type system.


  • PyMMB - The library (part of the PyMMB project) which supports all all MMB and DFS access functionality.
  • fusepy (> 2.0) - Provides access to the FUSE OS functionality.

This package is written for Python 2.x (at least 2.5) and currently is not supported under Python 3.x


You can install PyMMBfuse with your favourite egg installer. We recommend using pip

pip install PyMMBfuse


If you are using pip you can uninstall using

pip uninstall PyMMBfuse


Contributions of code, development time, testing, or money are welcome. If you are kind enough to donate money, your name (and optionally company name, and email or web address) will be listed as a sponsor.

You can join the project, see the current auto-build status, download the code or browse the repository at

Please consider joining the PyMMB project before you fork. While you are welcome to do either, joining us will help propell PyMMB forwards faster the larger the contributor base becomes.


Development of this project is being sponsored by the following generous individuals or organisations :


  • Acorn Computers - For producing probably the most innovative computer for its time ever.
  • Martin Mather - For developing the original MMC Flash Card interface (and the MMB file format which bears his initials) for the BBC Micro.
  • Steve O’Leary - The code for FS Manager which helped me understand both MMB and DFS formats better.



  • First alpha release
Release History

Release History


This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
PyMMBfuse-0.1.tar.gz (12.2 kB) Copy SHA256 Checksum SHA256 Source Dec 25, 2012

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