def scale(x, y, pt=None):
    rv = eye(3)
    rv[0, 0] = x
    rv[1, 1] = y
    if pt:
        from sympy.geometry.point import Point
        pt = Point(pt)
        tr1 = translate(*(-pt).args)
        tr2 = translate(*pt.args)
        return tr1*rv*tr2
    return rv
Permanently delete blob from Blobstore.
dataset/ETHPy150Open sympy/sympy/sympy/geometry/entity.py/scale--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/blobstore/blobstore.py/BlobInfo.delete