It’s what the decorator returns in lieu of the wrapped function. _auth(self, blogid, user, password, struct, publish)Īnd evals it to create a lambda. My decoratorįormats a string like: lambda self, blogid, user, password, struct, publish:\ The Action Web Service API in Rails, which is intended to implement such APIs, has deprecated a while ago. But for this case, it’s the only way to create a new wrapperįunction with the same signature as the wrapped function. The XML-RPC system is rather bewildering - there's a lot of different variations (Atom, MovableType, metaWeblog, Blogger, TypePad, probably others), never mind actually implementing any of them. # For tornadorpc to think _auth has the same arguments as fn,įormatted_args = inspect.formatargspec(*argspec)įormatted_args.lstrip('(').rstrip(')'), formatted_args) Inspired by Mock, I found this solution: def auth(fn): Wrapped function’s values, but it doesn’t change the wrapper’s actual wraps ( )Ĭan change a wrapper’s module, name, docstring, and _dict_ to the wraps ( ) isn’t enough to fool Tornado-RPC when it inspects my handler methods’ signatures using inspect. Password, and either returns an authentication fault, or executes the Simple enough, right? My decorated method checks the user and Self.result(xmlrpclib.Fault(403, 'Bad login/pass combination.'))
If not check_authentication(user, password): The obvious approach is aĭecorator: metaWeblog_newPost(self, blogid, user, password, struct, publish): Method, without duplicating a ton of code.
#XML RPC MARSEDIT PASSWORD#
I want to check that the user and password are correct in each handler
But my XML-RPC handlers tend to all have similar signatures: def metaWeblog_newPost(self, blogid, user, password, struct, publish):ĭef metaWeblog_editPost(self, postid, user, password, struct, publish):ĭef metaWeblog_getPost(self, postid, user, password): With Tornado-RPC, I declare my particular handlers (e.g., the metaWeblog.getRecentPosts handler), and Tornado-RPC introspects my methods’ signatures to check if they’re receiving the right arguments at run time: args, varargs, varkw, defaults = inspect.getargspec(func) To implement this API I use Josh Marshall’s My blog simply implements the portion of the metaWeblog XML-RPC API Rather than build an admin UI where I can create, edit, and delete blog
#XML RPC MARSEDIT DRIVER#
In my particular case, I’m building my blog using Tornado, MongoDB, andĪn experimental MongoDB driver I wrote, which I’ll announce soon. You can learn more about this by checking out the article “What are pingbacks and trackbacks?”.Like all Python programmers, I’m writing a minimal blogging platform. In addition, the transfer format is the basis for the pingback technique which has been an important link-building tool for bloggers for many years. Content management systems such as WordPress often use an XML-RPC interface for exchanging data with other web services. For example, the German Federal Central Tax Office (the Bundeszentralamt für Steuern) provides an XML-RPC interface for performing automated checks of foreign VAT IDs (as of 2019 via HTTPS requests). for enabling simple data transfer between external services). Nevertheless, there are still web applications today that use the XML-RPC interface (e.g. This was quickly developed in the form of the aforementioned SOAP (also developed by Winer’s team in collaboration with Microsoft). As a result, a significant amount of work was required for conversion which rendered finding a new solution more or less vital. This is partly due to its limited extensibility and the fact that it cannot transfer its own XML structures. After its publication in 1998, this transfer format quickly proved to be too inflexible. XML-RPC is no longer very important in modern network communication.
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