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# ``twisted`.`python`.`roots`.`Collection``

class documentation

`class Collection: (source)`

Known subclasses: `twisted.python.roots.Constrained`

View In Hierarchy

I represent a static collection of entities.

I contain methods designed to represent collections that can be dynamically created.

Method | `__init__` | Initialize me.
Method | `delEntity` | Remove a static reference for 'name'.
Method | `getDynamicEntity` | Subclass this to generate an entity on demand.
Method | `getEntity` | Retrieve an entity from me.
Method | `getStaticEntity` | Get an entity that was added to me using putEntity.
Method | `listDynamicEntities` | A list of all name, entity that I can generate on demand.
Method | `listDynamicNames` | Retrieve a list of the names of entities that I store references to.
Method | `listEntities` | Retrieve a list of all name, entity pairs I contain.
Method | `listNames` | Retrieve a list of all names for entities that I contain.
Method | `listStaticEntities` | Retrieve a list of all name, entity pairs that I store references to.
Method | `listStaticNames` | Retrieve a list of the names of entities that I store references to.
Method | `putEntity` | Store a static reference on 'name' for 'entity'.
Method | `removeEntity` | Remove an entity for 'name', based on the content of 'request'.
Method | `storeEntity` | Store an entity for 'name', based on the content of 'request'.
Instance Variable | `entities` | Undocumented

def __init__(self, entities=None): (source)
overridden in `twisted.web.vhost.VirtualHostCollection`

Initialize me.

def delEntity(self, name): (source)
overridden in `twisted.web.vhost.VirtualHostCollection`

Remove a static reference for 'name'.

Raises a KeyError if the operation fails.

def getDynamicEntity(self, name, request): (source)

Subclass this to generate an entity on demand.

This method should return 'None' if it fails.

def getEntity(self, name, request): (source)

Retrieve an entity from me.

I will first attempt to retrieve an entity statically; static entities will obscure dynamic ones. If that fails, I will retrieve the entity dynamically.

If I cannot retrieve an entity, I will return 'None'.

def getStaticEntity(self, name): (source)
overridden in `twisted.web.vhost.VirtualHostCollection`

Get an entity that was added to me using putEntity.

This method will return 'None' if it fails.

def listDynamicEntities(self, request): (source)

A list of all name, entity that I can generate on demand.

See getDynamicEntity.

def listDynamicNames(self): (source)

Retrieve a list of the names of entities that I store references to.

See getDynamicEntity.

def listEntities(self, request): (source)

Retrieve a list of all name, entity pairs I contain.

See getEntity.

def listNames(self, request): (source)

Retrieve a list of all names for entities that I contain.

See getEntity.

def listStaticEntities(self): (source)
overridden in `twisted.web.vhost.VirtualHostCollection`

Retrieve a list of all name, entity pairs that I store references to.

See getStaticEntity.

def listStaticNames(self): (source)

Retrieve a list of the names of entities that I store references to.

See getStaticEntity.

def putEntity(self, name, entity): (source)
overridden in `twisted.python.roots.Constrained`

Store a static reference on 'name' for 'entity'.

Raises a KeyError if the operation fails.

def removeEntity(self, name, request): (source)

Remove an entity for 'name', based on the content of 'request'.

def storeEntity(self, name, request): (source)

Store an entity for 'name', based on the content of 'request'.

entities = (source)

Undocumented