@property
    def source(self):
        return self.p1
Given a string value, returns a GEOSGeometry object.
dataset/ETHPy150Open sympy/sympy/sympy/geometry/line.py/Ray.source--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/gis/geos/factory.py/fromstr