[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

3 files changed, 132 insertions, 0 deletions

diff --git a/library/python/testing/custom_linter_util/linter_params.py b/library/python/testing/custom_linter_util/linter_params.py
new file mode 100644
index 00000000000..522e6da9ed8
--- /dev/null
+++ b/library/python/testing/custom_linter_util/linter_params.py
@@ -0,0 +1,81 @@
+import argparse
+import json
+from dataclasses import dataclass
+from typing import Optional
+
+
+@dataclass
+class LinterArgs:
+    source_root: str
+    project_path: str
+    output_path: str
+    lint_name: str
+    depends: dict[str, str]
+    global_resources: dict[str, str]
+    configs: list[str]
+    extra_params: dict[str, str]
+    report_file: str
+    files: list[str]
+
+
+def get_params(raw_args: Optional[list[str]] = None) -> LinterArgs:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--params")
+    parser.add_argument("--source-root")
+    parser.add_argument("--project-path")
+    parser.add_argument("--output-path")
+    parser.add_argument("--lint-name", default="")
+    parser.add_argument("--depends", action="append")
+    parser.add_argument("--global-resource", action="append", dest="global_resources")
+    parser.add_argument("--config", action="append", dest="configs")
+    parser.add_argument("--extra-param", action="append", dest="extra_params")
+    parser.add_argument("--report-file", default="-")
+    parser.add_argument("files", nargs="*")
+    args = parser.parse_args(raw_args)
+
+    if args.params:
+        with open(args.params) as f:
+            params = json.load(f)
+        source_root = params["source_root"]
+        project_path = params["project_path"]
+        output_path = params["output_path"]
+        lint_name = params.get("lint_name", "")
+        depends = params.get("depends", {})
+        global_resources = params.get("global_resources", {})
+        configs = params.get("configs", [])
+        extra_params = params.get("extra_params", {})
+        report_file = params["report_file"]
+        files = params["files"]
+    else:
+        source_root = args.source_root
+        project_path = args.project_path
+        output_path = args.output_path
+        lint_name = args.lint_name
+        depends = _parse_kv_arg(args.depends, ":")
+        global_resources = _parse_kv_arg(args.global_resources, ":")
+        configs = args.configs if args.configs else []
+        extra_params = _parse_kv_arg(args.extra_params, "=")
+        report_file = args.report_file
+        files = args.files
+
+    return LinterArgs(
+        source_root=source_root,
+        project_path=project_path,
+        output_path=output_path,
+        lint_name=lint_name,
+        depends=depends,
+        global_resources=global_resources,
+        configs=configs,
+        extra_params=extra_params,
+        report_file=report_file,
+        files=files,
+    )
+
+
+def _parse_kv_arg(arg, sep):
+    result = {}
+    if arg:
+        for item in arg:
+            var, val = item.split(sep, 1)
+            result[var] = val
+    return result
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 00000000000..8ae559bca0b
--- /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)
diff --git a/library/python/testing/custom_linter_util/ya.make b/library/python/testing/custom_linter_util/ya.make
new file mode 100644
index 00000000000..c761b09afcd
--- /dev/null
+++ b/library/python/testing/custom_linter_util/ya.make
@@ -0,0 +1,12 @@
+PY3_LIBRARY()
+
+PY_SRCS(
+    linter_params.py
+    reporter.py
+)
+
+END()
+
+RECURSE_FOR_TESTS(
+    tests
+)