twisted.web.resource.Resource
class documentationtwisted.web.resource
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Known subclasses: twisted.web.distrib.ResourceSubscription, twisted.web.distrib.UserDirectory, twisted.web.proxy.ReverseProxyResource, twisted.web.resource.ErrorPage, twisted.web.rewrite.RewriterResource, twisted.web.script.PythonScript, twisted.web.script.ResourceScriptDirectory, twisted.web.script.ResourceScriptWrapper, twisted.web.soap.SOAPPublisher, twisted.web.static.ASISProcessor, twisted.web.static.Data, twisted.web.static.DirectoryLister, twisted.web.static.File, twisted.web.static.Redirect, twisted.web.tap._AddHeadersResource, twisted.web.twcgi.CGIDirectory, twisted.web.twcgi.CGIScript, twisted.web.util.DeferredResource, twisted.web.util.ParentRedirect, twisted.web.util.Redirect, twisted.web.vhost._HostResource, twisted.web.vhost.NameVirtualHost, twisted.web.vhost.VHostMonsterResource, twisted.web.xmlrpc.XMLRPC
Implements interfaces: twisted.web.resource.IResource
Define a web-accessible resource.
This serves 2 main purposes; one is to provide a standard representation for what HTTP specification calls an 'entity', and the other is to provide an abstract directory structure for URL retrieval.
Method | __init__ | Initialize. |
Method | listStaticNames | Undocumented |
Method | listStaticEntities | Undocumented |
Method | listNames | Undocumented |
Method | listEntities | Undocumented |
Method | listDynamicNames | Undocumented |
Method | listDynamicEntities | Undocumented |
Method | getStaticEntity | Undocumented |
Method | getDynamicEntity | Undocumented |
Method | delEntity | Undocumented |
Method | reallyPutEntity | Undocumented |
Method | getChild | Retrieve a 'child' resource from me. |
Method | getChildWithDefault | Retrieve a static or dynamically generated child resource from me. |
Method | getChildForRequest | Undocumented |
Method | putChild | Register a static child. |
Method | render | Render a given resource. See IResource 's
render method. |
Method | render_HEAD | Default handling of HEAD method. |
Initialize.
Retrieve a 'child' resource from me.
Implement this to create dynamic resource generation -- resources which are always available may be registered with self.putChild().
This will not be called if the class-level variable 'isLeaf' is set in your subclass; instead, the 'postpath' attribute of the request will be left as a list of the remaining path elements.
For example, the URL /foo/bar/baz will normally be:
| site.resource.getChild('foo').getChild('bar').getChild('baz').
However, if the resource returned by 'bar' has isLeaf set to true, then the getChild call will never be made on it.
Parameters and return value have the same meaning and requirements as
those defined by IResource.getChildWithDefault
.
Retrieve a static or dynamically generated child resource from me.
First checks if a resource was added manually by putChild, and then call getChild to check for dynamic resources. Only override if you want to affect behaviour of all child lookups, rather than just dynamic ones.
This will check to see if I have a pre-registered child resource of the given name, and call getChild if I do not.
See Also | IResource.getChildWithDefault |
Register a static child.
You almost certainly don't want '/' in your path. If you intended to have the root of a folder, e.g. /foo/, you want path to be ''.
See Also | IResource.putChild |
Render a given resource. See IResource
's
render method.
I delegate to methods of self with the form 'render_METHOD' where METHOD is the HTTP that was used to make the request. Examples: render_GET, render_HEAD, render_POST, and so on. Generally you should implement those methods instead of overriding this one.
render_METHOD methods are expected to return a byte string which will be
the rendered page, unless the return value is
server.NOT_DONE_YET
, in which case it is this class's
responsibility to write the results using request.write(data)
and then call request.finish()
.
Old code that overrides render() directly is likewise expected to return a byte string or NOT_DONE_YET.
See Also | IResource.render |
Default handling of HEAD method.
I just return self.render_GET(request). When method is HEAD, the framework will handle this correctly.