Error : TypeError: '>' not supported between instances of 'int' and 'NoneType'

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#1,587 opened on May 20, 2024 2 comments 3 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 25/100

Issue type: Bug
Clarity: Needs clarification
Activity status: Stale
Tech stack: python
Domain: devtools

Research direction

Start in _vendored/pydevd/_pydevd_bundle/pydevd_frame_utils.py, following map_columns_to_line and _utf8_byte_offset_to_character_offset from the reported stack trace. Reproduce the failure using the provided Python 3.12 and debugpy context, then identify the triggering input and add coverage for it. Done means the TypeError no longer occurs for that case.

Written by the indexing model from the issue text.

Description

bug

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Environment data

debugpy version: 1.8.1
OS and version: Darwin Kernel Version 23.4.0 arm64
Python version (& distribution if applicable, e.g. Anaconda): python3.12
Using VS Code

Actual behavior

    self._cmd = py_db.cmd_factory.make_get_thread_stack_message(
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<project>/.venv/lib/python3.12/site-packages/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_net_command_factory_json.py", line 278, in make_get_thread_stack_message
    colno, endcolno = line_col_info.map_columns_to_line(line_text)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<project>/.venv/lib/python3.12/site-packages/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_frame_utils.py", line 101, in map_columns_to_line
    colno = _utf8_byte_offset_to_character_offset(original_line, self.colno)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<project>/.venv/lib/python3.12/site-packages/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_frame_utils.py", line 143, in _utf8_byte_offset_to_character_offset
    if byte_offset > offset:
       ^^^^^^^^^^^^^^^^^^^^
TypeError: '>' not supported between instances of 'int' and 'NoneType'

Dominant language: Python
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Merged PRs (30d): 1

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