py(deps) libtmux 0.40.1 -> 0.42.0, modernize run_before_script() (#958)

## py(deps) libtmux 0.40.1 -> 0.42.0

- tree: https://github.com/tmux-python/libtmux/tree/v0.42.0
- releases: https://github.com/tmux-python/libtmux/releases/tag/v0.42.0
- changelog: https://libtmux.git-pull.com/history.html#libtmux-0-42-0-2025-02-02
- PyPI: https://pypi.org/project/libtmux/0.42.0/

## run_before_script: Remove reliance on `console_to_str()`

See also: tmux-python/libtmux#560

Author: tony

CHANGES

@@ -19,6 +19,12 @@ $ pipx install --suffix=@next 'tmuxp' --pip-args '\--pre' --force
 
 <!-- Maintainers, insert changes / features for the next release here -->
 
+### Development
+
+- libtmux: Bump minimum version from 0.40.1 -> 0.42.0 (#958)
+
+  - `run_before_script()`: Remove reliance on `console_to_str()`
+
 ## tmuxp 1.51.0 (2025-02-02)
 
 _Maintenance only, no bug fixes or new features_

pyproject.toml

@@ -39,7 +39,7 @@ include = [
   { path = "conftest.py", format = "sdist" },
 ]
 dependencies = [
-  "libtmux~=0.40.1",
+  "libtmux~=0.42.0",
   "colorama>=0.3.9",
   "PyYAML>=6.0"
 ]

src/tmuxp/util.py

@@ -9,8 +9,6 @@
 import sys
 import typing as t
 
-from libtmux._compat import console_to_str
-
 from . import exc
 
 if t.TYPE_CHECKING:
@@ -37,16 +35,19 @@ def run_before_script(
             stderr=subprocess.PIPE,
             stdout=subprocess.PIPE,
             cwd=cwd,
+            text=True,
+            errors="backslashreplace",
+            encoding="utf-8",
         )
         if proc.stdout is not None:
-            for line in iter(proc.stdout.readline, b""):
-                sys.stdout.write(console_to_str(line))
+            for line in iter(proc.stdout.readline, ""):
+                sys.stdout.write(line)
         proc.wait()
 
         if proc.returncode and proc.stderr is not None:
             stderr = proc.stderr.read()
             proc.stderr.close()
-            stderr_strlist = console_to_str(stderr).split("\n")
+            stderr_strlist = stderr.split("\n")
             stderr_str = "\n".join(list(filter(None, stderr_strlist)))  # filter empty
 
             raise exc.BeforeLoadScriptError(