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-rw-r--r--testing/language_helpers.py35
1 files changed, 35 insertions, 0 deletions
diff --git a/testing/language_helpers.py b/testing/language_helpers.py
new file mode 100644
index 0000000..f9ae0b1
--- /dev/null
+++ b/testing/language_helpers.py
@@ -0,0 +1,35 @@
+from __future__ import annotations
+
+import os
+from typing import Sequence
+
+import pre_commit.constants as C
+from pre_commit.languages.all import Language
+from pre_commit.prefix import Prefix
+
+
+def run_language(
+ path: os.PathLike[str],
+ language: Language,
+ exe: str,
+ args: Sequence[str] = (),
+ file_args: Sequence[str] = (),
+ version: str = C.DEFAULT,
+ deps: Sequence[str] = (),
+ is_local: bool = False,
+) -> tuple[int, bytes]:
+ prefix = Prefix(str(path))
+
+ language.install_environment(prefix, version, deps)
+ with language.in_env(prefix, version):
+ ret, out = language.run_hook(
+ prefix,
+ exe,
+ args,
+ file_args,
+ is_local=is_local,
+ require_serial=True,
+ color=False,
+ )
+ out = out.replace(b'\r\n', b'\n')
+ return ret, out