[build/plugins/ytest] Allow prebuilt linters for opensource

Без этого, ydb или не сможет запускать flake8 с помощью ya make.
Или к ним поедет сборка flake8.
Возможно последнее и не так плохо, но сейчас предлагается пока так

1 files changed, 39 insertions, 0 deletions

diff --git a/library/python/testing/custom_linter_util/reporter.py b/library/python/testing/custom_linter_util/reporter.py
new file mode 100644
index 0000000000..8ae559bca0
--- /dev/null
+++ b/library/python/testing/custom_linter_util/reporter.py
@@ -0,0 +1,39 @@
+import json
+import sys
+from enum import Enum
+from typing import Optional
+
+
+class LintStatus(Enum):
+    GOOD = "GOOD"
+    FAIL = "FAIL"
+    SKIPPED = "SKIPPED"
+
+
+class LintReport():
+    def __init__(self):
+        self._report = {}
+
+    def add(self, file_name: str, status: LintStatus, message: str = "", elapsed: float = 0.0):
+        self._report[file_name] = {
+            "status": status.value,
+            "message": message,
+            "elapsed": elapsed,
+        }
+
+    def dump(self, report_file, pretty: Optional[bool] = None):
+        data = {
+            "report": self._report,
+        }
+        if report_file == "-":
+            if pretty is None:
+                pretty = True
+            self._do_dump(sys.stdout, data, pretty)
+        else:
+            with open(report_file, "w") as f:
+                self._do_dump(f, data, pretty)
+
+    @staticmethod
+    def _do_dump(dest, data, pretty):
+        indent = 4 if pretty else None
+        json.dump(data, dest, indent=indent)