environment/lib/python2.7/site-packages/IPython/parallel/controller/dependency.py
def require(*mods):
    """Simple decorator for requiring names to be importable.
    
    Examples
    --------
    
    In [1]: @require('numpy')
       ...: def norm(a):
       ...:     import numpy
       ...:     return numpy.linalg.norm(a,2)
    """
    names = []
    for mod in mods:
        if isinstance(mod, ModuleType):
            mod = mod.__name__
        
        if isinstance(mod, basestring):
            names.append(mod)
        else:
            raise TypeError("names must be modules or module names, not %s"%type(mod))
    
    return depend(_require, *names)
def require(*mods):
    """Simple decorator for requiring names to be importable.
    
    Examples
    --------
    
    In [1]: @require('numpy')
       ...: def norm(a):
       ...:     import numpy
       ...:     return numpy.linalg.norm(a,2)
    """
    names = []
    for mod in mods:
        if isinstance(mod, ModuleType):
            mod = mod.__name__
        
        if isinstance(mod, basestring):
            names.append(mod)
        else:
            raise TypeError("names must be modules or module names, not %s"%type(mod))
    
    return depend(_require, *names)
def require ( * mods ) : names = [ ] for mod in mods : if isinstance ( mod , ModuleType ) : mod = mod . __name__ if isinstance ( mod , basestring ) : names . append ( mod ) else : raise TypeError ( "names must be modules or module names, not %s" % type ( mod ) ) return depend ( _require , * names )
Simple decorator for requiring names to be importable.
    
    Examples
    --------
    
    In [1]: @require('numpy')
       ...: def norm(a):
       ...:     import numpy
       ...:     return numpy.linalg.norm(a,2)
Simple decorator for requiring names to be importable . Examples -------- In [ 1 ] :