Source Code for Module geometry.manifolds.exceptions

 1  from geometry.formatting import formatm 
 2   
 3   
 4 -class DoesNotBelong(Exception): 
 5      ''' Exception thrown when a point does not belong 
 6          to a certain manifold *M*. ''' 
 7 -    def __init__(self, M, point, e, context=None): 
 8          self.M = M 
 9          self.point = point 
10          self.e = '%s' % e 
11          self.context = context 
12   
13 -    def __str__(self): 
14          try: 
15              s = '' 
16              if self.context is not None: 
17                  s += '%s\n' % self.context 
18              s += ('%s: The point does not belong here:\n%s' % 
19                    (self.M, formatm('p', self.point))) 
20              s += self.e 
21              return s 
22          except Exception as e: 
23              return "(%s) %s: %s" % (e, self.M, self.point) 
24