chore: remove Python code and pyproject.toml

vendor/zerocopy/ci/validate_auto_approvers.py

@@ -1,142 +0,0 @@
-#!/usr/bin/env python3
-
-import argparse
-import json
-import re
-import sys
-import posixpath
-import os
-
-# Exit codes
-SUCCESS = 0
-NOT_APPROVED = 1
-TECHNICAL_ERROR = 255
-
-
-def main():
-    parser = argparse.ArgumentParser(
-        description="Validate PR changes against auto-approver rules."
-    )
-    parser.add_argument(
-        "--config",
-        default=".github/auto-approvers.json",
-        help="Path to the rules JSON.",
-    )
-    parser.add_argument(
-        "--changed-files", help="Path to the fetched changed files JSON."
-    )
-    parser.add_argument(
-        "--expected-count", type=int, help="Total number of files expected in the PR."
-    )
-    parser.add_argument(
-        "--contributors", nargs="+", help="List of GitHub usernames to validate."
-    )
-    parser.add_argument(
-        "--check-config",
-        action="store_true",
-        help="Only validate the configuration file and exit.",
-    )
-    args = parser.parse_args()
-
-    # REGEX: Strict path structure, prevents absolute paths and weird characters
-    VALID_PATH = re.compile(r"^([a-zA-Z0-9_.-]+/)+$")
-
-    # Load and validate config
-    try:
-        with open(args.config) as f:
-            rules = json.load(f)
-    except FileNotFoundError:
-        print(f"::error::❌ Config file not found at {args.config}")
-        sys.exit(TECHNICAL_ERROR)
-    except json.JSONDecodeError as e:
-        print(f"::error::❌ Failed to parse config JSON: {e}")
-        sys.exit(TECHNICAL_ERROR)
-
-    safe_rules = {}
-    for directory, users in rules.items():
-        if not isinstance(users, list):
-            print(
-                f"::error::❌ Users for '{directory}' must be a JSON array (list), not a string."
-            )
-            sys.exit(TECHNICAL_ERROR)
-
-        if not VALID_PATH.match(directory) or ".." in directory.split("/"):
-            print(f"::error::❌ Invalid config path: {directory}")
-            sys.exit(TECHNICAL_ERROR)
-
-        safe_rules[directory] = [str(u).lower() for u in users]
-
-    if not args.check_config:
-        # Validate that required arguments are present if not in --check-config mode
-        if not (
-            args.changed_files and args.expected_count is not None and args.contributors
-        ):
-            print(
-                "::error::❌ Missing required arguments: --changed-files, --expected-count, and --contributors are required unless --check-config is used."
-            )
-            sys.exit(TECHNICAL_ERROR)
-
-        # Load and flatten changed files
-        try:
-            with open(args.changed_files) as f:
-                file_objects = json.load(f)
-        except FileNotFoundError:
-            print(f"::error::❌ Changed files JSON not found at {args.changed_files}")
-            sys.exit(TECHNICAL_ERROR)
-        except json.JSONDecodeError as e:
-            print(f"::error::❌ Failed to parse changed files JSON: {e}")
-            sys.exit(TECHNICAL_ERROR)
-
-        if not file_objects or len(file_objects) != args.expected_count:
-            print(
-                f"::error::❌ File truncation mismatch or empty PR. Expected {args.expected_count}, got {len(file_objects) if file_objects else 0}."
-            )
-            sys.exit(TECHNICAL_ERROR)
-
-        if not all(isinstance(obj, list) for obj in file_objects):
-            print("::error::❌ Invalid payload format. Expected a list of lists.")
-            sys.exit(TECHNICAL_ERROR)
-
-        changed_files = [path for obj in file_objects for path in obj]
-
-        # Validate every file against every contributor
-        contributors = set(str(c).lower() for c in args.contributors)
-        print(f"👥 Validating contributors: {', '.join(contributors)}")
-
-        for raw_file_path in changed_files:
-            file_path = posixpath.normpath(raw_file_path)
-
-            # Find the most specific (longest) matching directory rule.
-            longest_match_dir = None
-            for directory in safe_rules.keys():
-                if file_path.startswith(directory):
-                    if longest_match_dir is None or len(directory) > len(
-                        longest_match_dir
-                    ):
-                        longest_match_dir = directory
-
-            # First, explicitly fail if the file isn't covered by ANY rule.
-            if not longest_match_dir:
-                print(
-                    f"::error::❌ File '{file_path}' does not fall under any configured auto-approve directory."
-                )
-                sys.exit(NOT_APPROVED)
-
-            # Then, verify every contributor has access to that specific rule.
-            for user in contributors:
-                if user not in safe_rules[longest_match_dir]:
-                    print(
-                        f"::error::❌ Contributor @{user} not authorized for '{file_path}'."
-                    )
-                    sys.exit(NOT_APPROVED)
-
-    if args.check_config:
-        print("✅ Configuration is structurally valid")
-    else:
-        print("✅ Validation passed")
-
-    sys.exit(SUCCESS)
-
-
-if __name__ == "__main__":
-    main()