class twisted.web.template._NSContext: (source)
A mapping from XML namespaces onto their prefixes in the document.
| Method | __init__ | Pull out the parent's namespaces, if there's no parent then default to XML. | 
| Instance Variable | parent | Undocumented | 
| Instance Variable | nss | Undocumented | 
| Method | get | Get a prefix for a namespace. | 
| Method | __setitem__ | Proxy through to setting the prefix for the namespace. | 
| Method | __getitem__ | Proxy through to getting the prefix for the namespace. | 
Pull out the parent's namespaces, if there's no parent then default to XML.
Get a prefix for a namespace.
| Parameters | k | Undocumented | 
| d | The default prefix value. |