Mercurial > libervia-web
view libervia/pages/_browser/bridge.py @ 1306:c07112ef01cd
browser (template): adapted filters/global/extensions to manage SàT templates:
`template` module has been update so most SàT template can be run from browser:
- `profile` and `csrf_token` are set as globals
- an implementation of `xmlattr` filter has been added
- `date_fmt` filter has been implemented using `moment.js`
- i18n method `_` has been added to globals, and `{% trans %}` statement has been
implemented using an extension. For now they are not actually translating but just
returning the unmodified string.
- new `get_args` helper method to handle `nunjucks` convention for arguments.
- fixed `get_elt` to only return the first child element (avoiding any text child) + added
a defaut value for `context`
author | Goffi <goffi@goffi.org> |
---|---|
date | Thu, 16 Jul 2020 09:08:50 +0200 |
parents | 999dccf0093e |
children | 8998f01088ac |
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from browser import window import javascript class Bridge: def __getattr__(self, attr): return lambda *args, **kwargs: self.call(attr, *args, **kwargs) def on_load(self, xhr, ev, callback, errback): if xhr.status == 200: ret = javascript.JSON.parse(xhr.response) if ret is None: callback() else: callback(ret) elif xhr.status == 502: # PROXY_ERROR is used for bridge error ret = javascript.JSON.parse(xhr.response) errback(ret) else: print(f"bridge called failed: code: {xhr.response}, text: {xhr.statusText}") errback({"fullname": "InternalError", "message": xhr.statusText}) def call(self, method_name, *args, callback, errback, **kwargs): xhr = window.XMLHttpRequest.new() xhr.bind('load', lambda ev: self.on_load(xhr, ev, callback, errback)) xhr.bind('error', lambda ev: errback( {"fullname": "ConnectionError", "message": xhr.statusText})) xhr.open("POST", f"/_bridge/{method_name}", True) data = javascript.JSON.stringify({ "args": args, "kwargs": kwargs, }) xhr.setRequestHeader('X-Csrf-Token', window.csrf_token) xhr.send(data)