Mercurial > libervia-web
annotate libervia/pages/_browser/aio_bridge.py @ 1398:556df721aa69
install (setup.py): update console script name and setup:
- console script name is now "libervia-web" following global project name change
- update classifiers to reflect current Python version compatibility
author | Goffi <goffi@goffi.org> |
---|---|
date | Sat, 20 Mar 2021 18:22:10 +0100 |
parents | 72f9639594b2 |
children | 106bae41f5c8 |
rev | line source |
---|---|
1347 | 1 from browser import window, aio |
2 import javascript | |
3 | |
4 | |
5 class BridgeException(Exception): | |
6 """An exception which has been raised from the backend and arrived to the frontend.""" | |
7 | |
8 def __init__(self, name, message="", condition=""): | |
9 """ | |
10 | |
11 @param name (str): full exception class name (with module) | |
12 @param message (str): error message | |
13 @param condition (str) : error condition | |
14 """ | |
15 Exception.__init__(self) | |
16 self.fullname = str(name) | |
17 self.message = str(message) | |
18 self.condition = str(condition) if condition else "" | |
19 self.module, __, self.classname = str(self.fullname).rpartition(".") | |
20 | |
21 def __str__(self): | |
1394
72f9639594b2
browser (lists): code is now async + item removal for non creator:
Goffi <goffi@goffi.org>
parents:
1347
diff
changeset
|
22 return f"{self.classname}: {self.message or ''}" |
1347 | 23 |
24 def __eq__(self, other): | |
25 return self.classname == other | |
26 | |
27 | |
28 class Bridge: | |
29 | |
30 def __getattr__(self, attr): | |
31 return lambda *args, **kwargs: self.call(attr, *args, **kwargs) | |
32 | |
33 async def call(self, method_name, *args, **kwargs): | |
34 data = javascript.JSON.stringify({ | |
35 "args": args, | |
36 "kwargs": kwargs, | |
37 }) | |
38 url = f"/_bridge/{method_name}" | |
39 r = await aio.post( | |
40 url, | |
41 headers={ | |
42 'X-Csrf-Token': window.csrf_token, | |
43 }, | |
44 data=data, | |
45 ) | |
46 | |
47 if r.status == 200: | |
48 return javascript.JSON.parse(r.data) | |
49 elif r.status == 502: | |
50 ret = javascript.JSON.parse(r.data) | |
51 raise BridgeException(ret['fullname'], ret['message'], ret['condition']) | |
52 else: | |
53 print(f"bridge called failed: code: {r.status}, text: {r.statusText}") | |
54 raise BridgeException("InternalError", r.statusText) |