Post-EuroPython 2005 PyPy Sprint 1st - 7th July 2005

Discussion in 'Python' started by Armin Rigo, Jun 12, 2005.

  1. Armin Rigo

    Armin Rigo Guest

    Post-EuroPython 2005 PyPy Sprint 1st - 7th July 2005

    The next PyPy sprint is scheduled right after EuroPython 2005
    in Gothenborg, Sweden. Its main focus is translation to
    lower level backends but there are also other possible topics.
    We'll give newcomer-friendly introductions. To learn more
    about the new PyPy Python-in-Python implementation look here:

    On a side note, there are a number of sub projects that may be
    interesting for participating in google's summer-of-code event
    (deadline June 14th!). The PyPy group is willing to mentor
    projects that have some link with PyPy, so if you are accepted
    in such a project, the sprint could also serve as a good
    meeting and kick-off point. Further down you'll find some
    examples, but there are certainly more and bigger ones :)

    Goals and topics of the sprint

    The main, though not the only, focus of the sprint will be on
    the "translation" aspect of PyPy. The goal here is to
    progress towards a completely translated PyPy. How much will
    already have been done before EuroPython is unknown; as a
    guess, we will be left with:

    - completing the "rtyper", the piece of code that assigns low-level
    C-like types to high-level RPython objects (lists, dicts, instances,
    etc.) and low-level control flow graphs to high-level ones;

    - polish off the GenC and GenLLVM back-ends, responsible for turning
    the low-level C-like flow graphs into real C or LLVM source code.

    See for more
    information (10th of June status).

    Non-translation-related topics are welcome too. Here are some suggestions
    from the issue tracker (

    - integrate the parser module, possibly making it RPython

    - rewrite in Python a C module you are familiar with
    (partial list of missing/incomplete modules: os, math, array,
    regular expressions, binascii...)

    - implement Python 2.3's import hook extensions (zip-imports etc.)

    - fix Windows-related issues, '%'-formatting rounding errors,
    add missing docstrings on app-level built-in types and functions,

    - weakrefs (but this requires discussion and planning on pypy-dev
    before the sprint! feel free to start such a discussion, though.)

    Location & Accomodation

    The sprint will be held in the former Math Center building
    near the crossing of Gibraltargatan and Eklandagatan. Entrance
    is on the middle of the side facing Gibraltargatan. The doors
    to the building are normally locked, so you need the phone number
    of somebody inside to get in. Instructions on whom to call will be
    posted on the door.

    The sprint will be co-located with several other sprints. See the
    `EuroPython Wiki`_, to find out what other sprints will be running.

    Nearest, and probably cheapest is to book accomodation at SGS Veckobostäder
    through the Europython website. This option will be available until about
    20 June.

    ... _`EuroPython special accomodation`:
    ... _`EuroPython Wiki`:

    Exact times

    The public Pypy sprint is held Friday 1st July - Thursday 7 July 2005.
    Hours will be from 09:00 until people have had enough. It's a good
    idea to arrive a day before the sprint starts.

    (There is a sprint for people who are familiar with the Pypy codebase
    before Europython as well. This will be held at Jacob & Laura's home
    on Götabergsgatan 22.)

    Network, Food, currency

    Sweden is not part of the Euro zone. One SEK (krona in singular, kronor
    in plural) is roughly 1/10th of a Euro (9.15 SEK to 1 Euro).

    There are some pizzerias, kebab places and the like close to the venue.
    Their food is edible and cheap, but not very good. For good food, you need to
    go downtown.

    You need a wireless network card to access the network. You will be
    issued a login to the Chalmers NOMAD network. This will allow you to
    use access points all over Chalmers. However, we can likely provide
    a wireless/ethernet bridge.

    Sweden uses the same kind of plugs as Germany. 230V AC.

    Registration etc.pp.

    Please subscribe to the `PyPy sprint mailing list`_, introduce
    yourself and post a note that you want to come. Feel free
    to ask any questions there!

    ... _`PyPy sprint mailing list`:

    Armin Rigo & the PyPy team
    Armin Rigo, Jun 12, 2005
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