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codebase: add encoding='utf-8' to all bare open() calls (PLW1514)

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Closes the last Python-on-Windows UTF-8 exposure by making every
text-mode open() call explicit about its encoding.

Before: on Windows, bare open(path, 'r') defaults to the system
locale encoding (cp1252 on US-locale installs).  That means reading
any config/yaml/markdown/json file with non-ASCII content either
crashes with UnicodeDecodeError or silently mis-decodes bytes.

After: all 89 affected call sites in production code now pass
encoding='utf-8' explicitly.  Works identically on every platform
and every locale, no surprise behavior.

Mechanical sweep via:
  ruff check --preview --extend-select PLW1514 --unsafe-fixes --fix     --exclude 'tests,venv,.venv,node_modules,website,optional-skills,               skills,tinker-atropos,plugins' .

All 89 fixes have the same shape: open(x) or open(x, mode) became
open(x, encoding='utf-8') or open(x, mode, encoding='utf-8').  Nothing
else changed.  Every modified file still parses and the Windows/sandbox
test suite is still green (85 passed, 14 skipped, 0 failed across
tests/tools/test_code_execution_windows_env.py +
tests/tools/test_code_execution_modes.py + tests/tools/test_env_passthrough.py +
tests/test_hermes_bootstrap.py).

Scope notes:
  - tests/ excluded: test fixtures can use locale encoding intentionally
    (exercising edge cases).  If we want to tighten tests later that's
    a separate PR.
  - plugins/ excluded: plugin-specific conventions may differ; plugin
    authors own their code.
  - optional-skills/ and skills/ excluded: skill scripts are user-authored
    and we don't want to mass-edit them.
  - website/ and tinker-atropos/ excluded: vendored / generated content.

46 files touched, 89 +/- lines (symmetric replacement).  No behavior
change on POSIX or on Windows when the file is ASCII; bug fix on
Windows when the file contains non-ASCII.
This commit is contained in:
Teknium 2026-05-07 19:24:45 -07:00
parent d94fb47717
commit cbce5e93fc
46 changed files with 89 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

4
hermes_cli/memory_setup.py
View file

@ -69,7 +69,7 @@ def _install_dependencies(provider_name: str) -> None:
try:
import yaml
with open(yaml_path) as f:
with open(yaml_path, encoding="utf-8") as f:
meta = yaml.safe_load(f) or {}
except Exception:
return
@ -377,7 +377,7 @@ def _write_env_vars(env_path: Path, env_writes: dict) -> None:
if key not in updated_keys:
new_lines.append(f"{key}={val}")
env_path.write_text("\n".join(new_lines) + "\n")
env_path.write_text("\n".join(new_lines) + "\n", encoding="utf-8")
# ---------------------------------------------------------------------------