Re: Werkzeug >= 3.1.0 does not work

Hi Peter

We have already fixed the "AttributeError: module 'jinja2.ext' has no
attribute 'autoescape'" issue and pin the Werkzeug to 2.0.3
Fixes will be available in the next release of pgAdmin 4 v6.8 on coming
Thursday.

On Sun, Apr 3, 2022 at 3:24 AM Peter <pmc(at)citylink(dot)dinoex(dot)sub(dot)org> wrote:

> Tried to install pgadmin4 6.7, did not work.
>
> Issue #1: does not start, error is
> AttributeError: module 'jinja2.ext' has no attribute 'autoescape'
>
> This one is already known and discussed here:
> https://github.com/sphinx-doc/sphinx/issues/10289
> Reverting from Jinja 3.1.1 to 3.0.3 solves the issue.
>
>
> Issue #2: Web connects are responded with "400 bad request".
> The issue appears with Werkzeug 2.1.1 and 2.1.0. It is solved with
> installing Werkzeug 2.0.3 or below.
>
> This one is kerberos related; it does not seem to happen with no
> kerberos login enabled.
>
> I give You the backtrace:
>
> pgadmin: 400 Bad Request: The browser (or proxy) sent a request
> that this server could not understand. Traceback (most recent call
> last):
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/flask/wrappers.py",
> line 128, in on_json_loading_failed
> return super().on_json_loading_failed(e)
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/werkzeug/wrappers/request.py",
> line 611, in on_json_loading_failed
> raise BadRequest( werkzeug.exceptions.BadRequest: 400 Bad
> Request: Did not attempt to load JSON data because the
> request Content-Type was not 'application/json'.
> The above exception was the direct cause of the following exception:
> Traceback (most recent call last):
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/flask/app.py",
> line 1521, in full_dispatch_request
> rv = self.preprocess_request()
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/flask/app.py",
> line 1861, in preprocess_request
> rv = self.ensure_sync(before_func)()
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/pgadmin4/pgadmin/__init__.py",
> line 792, in before_request
> return authenticate.login()
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/pgadmin4/pgadmin/authenticate/__init__.py",
> line 120, in login
> status, msg = auth_obj.authenticate()
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/pgadmin4/pgadmin/authenticate/__init__.py",
> line 231, in authenticate
> status, msg = source.authenticate(self.form)
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/pgadmin4/pgadmin/authenticate/kerberos.py",
> line 182, in authenticate
> if request.json:
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/werkzeug/wrappers/request.py",
> line 540, in json
> return self.get_json()
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/werkzeug/wrappers/request.py",
> line 571, in get_json
> return self.on_json_loading_failed(None)
> File
> "/ext/py-virt/py38-pga64/lib/python3.8/site-packages/flask/wrappers.py",
> line 133, in on_json_loading_failed
> raise BadRequest() from e werkzeug.exceptions.BadRequest: 400
> Bad Request: The browser (or proxy) sent a request that
> this server could not understand.
>
>
>

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*Akshay Joshi*
*pgAdmin Hacker | Principal Software Architect*
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