routes.py Python 3 regex error

[Bryan Chance]

I'm working to switch my web2py application to Python 3. However, I now get errors when loading due to my routes.py:

  File "/usr/lib/python3.6/sre_parse.py", line 401, in _escape

    raise source.error("bad escape %s" % escape, len(escape))

sre_constants.error: bad escape \g at position 35

My routes.py is posted below, and the idea behind it is that myurl.com/client_name gets routed to myurl.com/myappname?client=client_name:

routes_app = ((r'/(?P<app>admin|app)\b.*', r'\\g<app>'),

              (

              r'/(?P<app>app_to_be_excluded)\b.*',

              r'\g<app>')

              )

routes_in = [

    # make sure you do not break admin

    ('/admin', '/admin'),

    ('/admin/$anything', '/admin/$anything'),

    # make sure you do not break appadmin

    ('/$app/appadmin', '/$app/appadmin'),

    ('/$app/appadmin/$anything', '/$app/appadmin/$anything'),

    ('/static/$anything', '/myappname/static/$anything'),

    ('/$domain(?P<rest>.*)$', '/myappname\\g<rest>?client=$domain'),

]

routes_out = [(a, b) for (b, a) in routes_in]

Does anyone have any ideas how I can update this regex to work?

[Bryan Chance]

one correction, the \\g's are actually \g

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[Leonel Câmara]

You probably need to use raw strings in routes_in too if that \\g is indeed just \g

[Bryan Chance]

Added those, but the underlying issue is still there.

On Fri, Sep 28, 2018 at 12:32 PM Leonel Câmara <leonel...@gmail.com> wrote:

You probably need to use raw strings in routes_in too if that \\g is indeed just \g

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