Remove colorama. (#305)

Author: tobiasraabe

docs/source/changes.md

@@ -9,6 +9,7 @@ releases are available on [PyPI](https://pypi.org/project/pytask) and
 
 - {pull}`297` moves non-hook functions from `warnings.py` to `warnings_utils.py` and
   publishes them so that pytask-parallel can import them.
+- {pull}`305` removes traces of colorama. Whatever it did should be handled by rich.
 
 ## 0.2.5 - 2022-08-02
 

src/_pytask/capture.py

@@ -122,8 +122,6 @@ def pytask_parse_config(
 @hookimpl
 def pytask_post_parse(config: dict[str, Any]) -> None:
     """Initialize the CaptureManager."""
-    _colorama_workaround()
-
     pluginmanager = config["pm"]
     capman = CaptureManager(config["capture"])
     pluginmanager.register(capman, "capturemanager")
@@ -135,21 +133,6 @@ def pytask_post_parse(config: dict[str, Any]) -> None:
 # Copied from pytest with slightly modified docstrings.
 
 
-def _colorama_workaround() -> None:
-    """Ensure colorama is imported so that it attaches to the correct stdio handles on
-    Windows.
-
-    colorama uses the terminal on import time. So if something does the first import of
-    colorama while I/O capture is active, colorama will fail in various ways.
-
-    """
-    if sys.platform.startswith("win32"):
-        try:
-            import colorama  # noqa: F401
-        except ImportError:
-            pass
-
-
 # IO Helpers.