tasks: implicit tasks + Brython task: - implicit tasks are tasks launched for every site. - a first one is made for Brython: it will install Brython and copy suitable files and set template data if Brython code is written in page `_browser` subdirectory.

import os.path

version_file = os.path.join(os.path.dirname(__file__), "VERSION")
try:
    with open(version_file) as f:
        __version__ = f.read().strip()
except NotImplementedError:
    # pyjamas workaround
    __version__ = "0.7.0D"