Version should be in setup.py and pulled from __init__

[sametmax]

Version is declared in init, and parsed with a regex in setup.py. You can make it cleaner byt declaring the version in setup.py normally, and add this to init :

try:
    __version__ = get_distribution('crossbar').version
except DistributionNotFound:
    __version__ = ('Unable to read this module metadata. ',
                   'Check manually the setup.py file for version.')

[oberstet]

No, this is by design: get_distribution only works for installed Python packages, e.g. not when running from a directory (importing directly without installation).