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hedyorg / hedy

Hedy is a gradual programming language to teach children programming. Gradual languages use different language levels, where each level adds new concepts and syntactic complexity. At the end of the Hedy level sequence, kids master a subset of syntactically valid Python.
https://www.hedy.org
European Union Public License 1.2
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🪲 Filtering programs in programs page results in bug #5559

Closed jpelay closed 1 month ago

jpelay commented 1 month ago

Describe the bug Trying to use the filters in the programs page results in a bug.

This is the traceback I get in the console:

Traceback (most recent call last):
  File "/home/capybara/hedy/.env/lib/python3.12/site-packages/flask/app.py", line 1488, in __call__
    return self.wsgi_app(environ, start_response)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/.env/lib/python3.12/site-packages/flask/app.py", line 1466, in wsgi_app
    response = self.handle_exception(e)
               ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/.env/lib/python3.12/site-packages/flask/app.py", line 1463, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/.env/lib/python3.12/site-packages/flask/app.py", line 872, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/.env/lib/python3.12/site-packages/flask/app.py", line 870, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/.env/lib/python3.12/site-packages/flask/app.py", line 855, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/website/auth.py", line 253, in inner
    return f(*args, user=current_user(), **kws)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/app.py", line 1016, in programs_page
    all_programs = DATABASE.filtered_programs_for_user(from_user or username,
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/website/database.py", line 251, in filtered_programs_for_user
    return PROGRAMS.get_page({"username": username},
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/website/dynamo.py", line 447, in get_page
    inverse_page, initial_pagination_token = decode_page_token(pagination_token)
                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/hedy/website/dynamo.py", line 1376, in decode_page_token
    return inverted, json.loads(base64.urlsafe_b64decode(x.encode("ascii")).decode("utf-8"))
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/.pyenv/versions/3.12.2/lib/python3.12/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/.pyenv/versions/3.12.2/lib/python3.12/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/capybara/.pyenv/versions/3.12.2/lib/python3.12/json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)