Get version information for components used by Spyder

def get_versions(reporev=True):
    """Get version information for components used by Spyder"""
    import sys
    import platform

    import qtpy
    import qtpy.QtCore

    revision = None
    if reporev:
        from spyder.utils import vcs
        revision, branch = vcs.get_git_revision(os.path.dirname(__dir__))

    if not sys.platform == 'darwin':  # To avoid a crash with our Mac app
        system = platform.system()
    else:
        system = 'Darwin'

    return {
        'spyder': __version__,
        'python': platform.python_version(),  # "2.7.3"
        'bitness': 64 if sys.maxsize > 2**32 else 32,
        'qt': qtpy.QtCore.__version__,
        'qt_api': qtpy.API_NAME,      # PyQt5
        'qt_api_ver': qtpy.PYQT_VERSION,
        'system': system,   # Linux, Windows, ...
        'release': platform.release(),  # XP, 10.6, 2.2.0, etc.
        'revision': revision,  # '9fdf926eccce'
    }