DbSession.factory returns 'None' value

db_session.py

/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/bin/python "/Users/michael/Library/Application Support/JetBrains/Toolbox/apps/PyCharm-P/ch-0/193.6494.30/PyCharm.app/Contents/plugins/python/helpers/pycharm/pycharm_load_entry_point.py" /Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/development.ini
Connecting to DB at: sqlite:////Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/timesheets/db/timesheets.sqlite
Loading starter data...
Traceback (most recent call last):
  File "/Users/michael/Library/Application Support/JetBrains/Toolbox/apps/PyCharm-P/ch-0/193.6494.30/PyCharm.app/Contents/plugins/python/helpers/pycharm/pycharm_load_entry_point.py", line 12, in <module>
    sys.exit(f())
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/pyramid/scripts/pserve.py", line 34, in main
    return command.run()
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/pyramid/scripts/pserve.py", line 275, in run
    app = loader.get_wsgi_app(app_name, config_vars)
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/plaster_pastedeploy/__init__.py", line 129, in get_wsgi_app
    global_conf=defaults,
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/paste/deploy/loadwsgi.py", line 253, in loadapp
    return loadobj(APP, uri, name=name, **kw)
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/paste/deploy/loadwsgi.py", line 278, in loadobj
    return context.create()
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/paste/deploy/loadwsgi.py", line 715, in create
    return self.object_type.invoke(self)
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/paste/deploy/loadwsgi.py", line 152, in invoke
    return fix_call(context.object, context.global_conf, **context.local_conf)
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/paste/deploy/util.py", line 58, in fix_call
    reraise(*exc_info)
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/paste/deploy/compat.py", line 32, in reraise
    raise e.with_traceback(tb)
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/venv/lib/python3.7/site-packages/paste/deploy/util.py", line 55, in fix_call
    val = callable(*args, **kw)
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/timesheets/__init__.py", line 18, in main
    init_db()
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/timesheets/__init__.py", line 30, in init_db
    load_base_data.load_starter_data()
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/timesheets/bin/load_base_data.py", line 16, in load_starter_data
    session = DbSession.create_session()
  File "/Users/michael/Developer/TalkPython/100-days-of-web/100-days-of-web-with-python/037-pyramid/timesheets/timesheets/data/db_session.py", line 39, in create_session
    return DbSession.factory()
TypeError: 'NoneType' object is not callable

Process finished with exit code 1

Thanks Michael!

What's the best way to diff two folders? Use diff from the Terminal?

Thanks
Michael

You could probably take just the source files and overwrite what you have in the repo then see the changes in pycharm, assuming you have the project open in pycharm. It'll show you the changed files and diff those.

…

On Tue, Feb 25, 2020 at 9:53 PM Michael B ***@***.***> wrote: Thanks Michael! What's the best way to diff two folders? Use diff from the Terminal? Thanks Michael — You are receiving this because you commented. Reply to this email directly, view it on GitHub <https://gist.github.com/fd84826f0c505be1e61f7f7493925bd0?email_source=notifications&email_token=AAPQ62LOUTW5OTSUAFTVADLREX7V3A5CNFSM4K35KW62YY3PNVWWK3TUL52HS4DFVNDWS43UINXW23LFNZ2KUY3PNVWWK3TUL5UWJTQAGCV2M#gistcomment-3189670>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAPQ62O6TIKILK7EBYR5G73REX7V3ANCNFSM4K35KW6Q> .

Oh sure, of course, thanks. And yes, I'm using PyCharm.

Thanks Michael!

The main issue is the paths in the __init__.py file, right?

I notice that you used "billtracker.bin", etc., in the bill tracker project (presumably absolute) but you have provided me with the relative(?) path ".bin" etc., in the timesheet project. Are there any advantages of using one over the other?

How did you find them so quicky though?

Also, thanks for fixing the other issues!

Hi @gloc-mike

How did I fix it quickly? I just started trying to run it, hit the first problem, tried a few things until it was fixed, then ran again until it hit the next issue, repeat. :) Some were not obvious. I think I might have put default=datetime.datetime.now() rather than default=datetime.datetime.now so be aware you need an update there. :)

As for paths, absolute paths are better if you can manage them!