dmypy does not detect the --no-color option
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Description
Bug Report
The mypy daemon does not parse the --no-color correctly on windows. The output of dmypy is not properly displayed in a windows console.
(there are two issues here: dmypy ignoring --no-color and the problems in displaying colors)
To Reproduce
- Run
dmypyfrom a windows termimal
Expected Behavior
The output of dmypy should render colors correctly. Not having any colored output at all is also acceptable.
The mypy daemon does not parse color output correctly on windows. This could be resolved by using the --no-color option, but this is not used by dmpypy.
Actual Behavior
See the screenshot below: the invocations of mypy work fine, but the output for dmpypy hs hard to interpret.
Related: #8164
Your Environment
- Mypy version used: 0.931
- Mypy command-line flags:
- Mypy configuration options from
mypy.ini(and other config files): None - Python version used: 3.9
- Operating system and version: Windows 10
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing dmypy on a Windows console with the --no-color option, then trace the daemon's command-line handling and output display path. Done means dmypy honors --no-color and its output is readable without malformed color sequences; the issue also mentions that correctly rendering colors could be an alternative.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- cli, operating-systems
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100