Cannot start wger server on a leap day

[bramvdzee]

This is an issue found with the docker image, however this bug seems to originate from the code.

Steps to Reproduce

1. Start wger containers / instance

Expected results:
Wger server starts normally

Actual results:
Wger server could not start due to incorrect date constraint in Date of Birth field.

Logs

Copied from Dozzle, please excuse the timestamps.

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10:11:08
During handling of the above exception, another exception occurred:
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Traceback (most recent call last):
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  File "/usr/local/lib/python3.10/dist-packages/gunicorn/workers/sync.py", line 135, in handle
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    self.handle_request(listener, req, client, addr)
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  File "/usr/local/lib/python3.10/dist-packages/gunicorn/workers/sync.py", line 178, in handle_request
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    respiter = self.wsgi(environ, resp.start_response)
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  File "/usr/local/lib/python3.10/dist-packages/django/core/handlers/wsgi.py", line 124, in __call__
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    response = self.get_response(request)
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  File "/usr/local/lib/python3.10/dist-packages/django/core/handlers/base.py", line 140, in get_response
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    response = self._middleware_chain(request)
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  File "/usr/local/lib/python3.10/dist-packages/django/core/handlers/exception.py", line 57, in inner
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    response = response_for_exception(request, exc)
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  File "/usr/local/lib/python3.10/dist-packages/django/core/handlers/exception.py", line 140, in response_for_exception
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    response = handle_uncaught_exception(
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  File "/usr/local/lib/python3.10/dist-packages/django/core/handlers/exception.py", line 181, in handle_uncaught_exception
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    return debug.technical_500_response(request, *exc_info)
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  File "/usr/local/lib/python3.10/dist-packages/django/views/debug.py", line 67, in technical_500_response
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    html = reporter.get_traceback_html()
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  File "/usr/local/lib/python3.10/dist-packages/django/views/debug.py", line 410, in get_traceback_html
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    c = Context(self.get_traceback_data(), use_l10n=False)
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  File "/usr/local/lib/python3.10/dist-packages/django/views/debug.py", line 393, in get_traceback_data
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    c["raising_view_name"] = get_caller(self.request)
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  File "/usr/local/lib/python3.10/dist-packages/django/views/debug.py", line 100, in get_caller
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    resolver_match = resolve(request.path)
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  File "/usr/local/lib/python3.10/dist-packages/django/urls/base.py", line 24, in resolve
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    return get_resolver(urlconf).resolve(path)
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  File "/usr/local/lib/python3.10/dist-packages/django/urls/resolvers.py", line 663, in resolve
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    for pattern in self.url_patterns:
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  File "/usr/local/lib/python3.10/dist-packages/django/utils/functional.py", line 57, in __get__
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    res = instance.__dict__[self.name] = self.func(instance)
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  File "/usr/local/lib/python3.10/dist-packages/django/urls/resolvers.py", line 715, in url_patterns
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    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
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  File "/usr/local/lib/python3.10/dist-packages/django/utils/functional.py", line 57, in __get__
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    res = instance.__dict__[self.name] = self.func(instance)
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  File "/usr/local/lib/python3.10/dist-packages/django/urls/resolvers.py", line 708, in urlconf_module
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    return import_module(self.urlconf_name)
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  File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module
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    return _bootstrap._gcd_import(name[level:], package, level)
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  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
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  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
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  File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
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  File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
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  File "<frozen importlib._bootstrap_external>", line 883, in exec_module
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  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
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  File "/home/wger/src/wger/urls.py", line 44, in <module>
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    from wger.core.api import views as core_api_views
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  File "/home/wger/src/wger/core/api/views.py", line 67, in <module>
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    from wger.core.forms import UserLoginForm
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  File "/home/wger/src/wger/core/forms.py", line 107, in <module>
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    class UserPreferencesForm(forms.ModelForm):
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  File "/home/wger/src/wger/core/forms.py", line 121, in UserPreferencesForm
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    'max': str(date.today().replace(year=date.today().year - 10)),
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ValueError: day is out of range for month

[rolandgeider]

our first leap year bug 😅

But I see what's happening, 10 years ago wasn't a leap year, so the error is valid. But also the max and min dates are set during startup and not dynamically which in this case is alright, but not very clean

[bramvdzee]

our first leap year bug 😅

But I see what's happening, 10 years ago wasn't a leap year, so the error is valid. But also the max and min dates are set during startup and not dynamically which in this case is alright, but not very clean

Wouldn't that make it increasingly harder each year to set a date of birth? (Of course, only if you'd never stop the server, which isn't very likely).