Mercurial > libervia-web
view libervia/pages/_browser/aio_bridge.py @ 1453:d62df81440c6
pages (lists/view): fix serialisation of `extra` when calling `listGet`
author | Goffi <goffi@goffi.org> |
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date | Wed, 08 Sep 2021 12:08:00 +0200 |
parents | 72f9639594b2 |
children | 106bae41f5c8 |
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from browser import window, aio import javascript class BridgeException(Exception): """An exception which has been raised from the backend and arrived to the frontend.""" def __init__(self, name, message="", condition=""): """ @param name (str): full exception class name (with module) @param message (str): error message @param condition (str) : error condition """ Exception.__init__(self) self.fullname = str(name) self.message = str(message) self.condition = str(condition) if condition else "" self.module, __, self.classname = str(self.fullname).rpartition(".") def __str__(self): return f"{self.classname}: {self.message or ''}" def __eq__(self, other): return self.classname == other class Bridge: def __getattr__(self, attr): return lambda *args, **kwargs: self.call(attr, *args, **kwargs) async def call(self, method_name, *args, **kwargs): data = javascript.JSON.stringify({ "args": args, "kwargs": kwargs, }) url = f"/_bridge/{method_name}" r = await aio.post( url, headers={ 'X-Csrf-Token': window.csrf_token, }, data=data, ) if r.status == 200: return javascript.JSON.parse(r.data) elif r.status == 502: ret = javascript.JSON.parse(r.data) raise BridgeException(ret['fullname'], ret['message'], ret['condition']) else: print(f"bridge called failed: code: {r.status}, text: {r.statusText}") raise BridgeException("InternalError", r.statusText)