IronLanguages / IronLanguages/ironpython3

Invalid characters in sys.path raises a ValueError when trying to import

Open
#1,188 0 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Dominant language
C#
Stars
2.8k
Forks
316
Avg merge
1d 9h
Merged PRs (30d)
1

Description

To repro:

import sys
sys.path.append(">")
import some_non_existent_module

ValueError: Illegal characters in path.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the issue with the supplied sys.path and import snippet, then trace the import handling for invalid path entries in IronPython. Check existing import-related tests if available and verify that importing a missing module reports the expected missing-module error rather than ValueError for this input.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, python
Domain
backend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.