Upon upgrading to 2.0 I just removed my empty __init__.py files or at least
I tried to (hoping I won't need them any more).
Eventually I realised I had to put some of them back as config.scan() broke
without them.
My recommendation is that if possible, can you make a better error message
for this? Because I basically got a 73 line long stack trace, which
contained absolutely no information about what is the problem. I mean, just
as a nice to have, for other users who happen run into this very long
stacktrace.
2022-11-27 11:44:39,679 ERROR [waitress] Exception while serving /
Traceback (most recent call last):
File "python3.10/site-packages/waitress/channel.py", line 428, in service
task.service()
File "python3.10/site-packages/waitress/task.py", line 168, in service
self.execute()
File "python3.10/site-packages/waitress/task.py", line 434, in execute
app_iter = self.channel.server.application(environ, start_response)
File "python3.10/site-packages/pyramid/router.py", line 270, in __call__
response = self.execution_policy(environ, self)
File "python3.10/site-packages/pyramid/router.py", line 276, in
default_execution_policy
return router.invoke_request(request)
File "python3.10/site-packages/pyramid/router.py", line 245, in
invoke_request
response = handle_request(request)
File "python3.10/site-packages/pyramid_tm/__init__.py", line 178, in
tm_tween
raise exc from None
File "python3.10/site-packages/pyramid_tm/__init__.py", line 145, in
tm_tween
response = handler(request)
File "python3.10/site-packages/pyramid/tweens.py", line 43, in
excview_tween
response = _error_handler(request, exc)
File "python3.10/site-packages/pyramid/tweens.py", line 17, in
_error_handler
reraise(*exc_info)
File "python3.10/site-packages/pyramid/util.py", line 733, in reraise
raise value
File "python3.10/site-packages/pyramid/tweens.py", line 41, in
excview_tween
response = handler(request)
File "python3.10/site-packages/pyramid/router.py", line 143, in
handle_request
response = _call_view(
File "python3.10/site-packages/pyramid/view.py", line 674, in _call_view
response = view_callable(context, request)
File "python3.10/site-packages/pyramid/viewderivers.py", line 512, in
csrf_view
return view(context, request)
File "md_server/view_derivers.py", line 30, in wrapper_view
response = view(context, request)
File "md_server/view_derivers.py", line 43, in wrapper_view
response = view(context, request)
File "md_server/view_derivers.py", line 65, in wrapper_view
response = view(context, request)
File "md_server/view_derivers.py", line 142, in wrapper_view
response = view(context, request)
File "python3.10/site-packages/pyramid/viewderivers.py", line 450, in
rendered_view
response = view_renderer.render_view(
File "python3.10/site-packages/pyramid/renderers.py", line 443, in
render_view
return self.render_to_response(response, system, request=request)
File "python3.10/site-packages/pyramid/renderers.py", line 466, in
render_to_response
result = self.render(value, system_values, request=request)
File "python3.10/site-packages/pyramid/renderers.py", line 462, in render
result = renderer(value, system_values)
File "python3.10/site-packages/pyramid_jinja2/__init__.py", line 260, in
__call__
template = self.template_loader()
File "python3.10/site-packages/pyramid_jinja2/__init__.py", line 275, in
template_loader
return self.environment.get_template(name_with_package)
File "python3.10/site-packages/jinja2/environment.py", line 1010, in
get_template
return self._load_template(name, globals)
File "python3.10/site-packages/jinja2/environment.py", line 969, in
_load_template
template = self.loader.load(self, name, self.make_globals(globals))
File "python3.10/site-packages/jinja2/loaders.py", line 126, in load
source, filename, uptodate = self.get_source(environment, name)
File "python3.10/site-packages/pyramid_jinja2/__init__.py", line 197, in
get_source
src = self._get_absolute_source(template)
File "python3.10/site-packages/pyramid_jinja2/__init__.py", line 137, in
_get_absolute_source
filename = abspath_from_asset_spec(template)
File "python3.10/site-packages/pyramid/asset.py", line 43, in
abspath_from_asset_spec
return pkg_resources.resource_filename(pname, filename)
File "python3.10/site-packages/pkg_resources/__init__.py", line 1154, in
resource_filename
return get_provider(package_or_requirement).get_resource_filename(
File "python3.10/site-packages/pkg_resources/__init__.py", line 361, in
get_provider
return _find_adapter(_provider_factories, loader)(module)
File "python3.10/site-packages/pkg_resources/__init__.py", line 1403, in
__init__
self.module_path = os.path.dirname(getattr(module, '__file__', ''))
File "/Users/user/.pyenv/versions/3.10.8/lib/python3.10/posixpath.py",
line 152, in dirname
p = os.fspath(p)
TypeError: expected str, bytes or os.PathLike object, not NoneType
Zsolt
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