Клиент: начальный импорт кодовой базы

Основа — Horizon (MIT). История апстрима не переносится: этот репозиторий ведёт свою.

tools/runtime.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+"""Shared Java dependency and platform helpers for Rust comparison benchmarks."""
+
+import json
+import time
+import urllib.error
+
+try:
+    from . import lab
+except ImportError:
+    import lab
+
+ROOT = lab.ROOT
+CACHE = ROOT / ".local" / "runtime"
+library_allowed = lab.library_allowed
+native_library_matches = lab.native_library_matches
+
+
+def fetch(url, path, checksum, algorithm="sha1"):
+    for attempt in range(3):
+        try:
+            return lab.download(url, path, checksum, algorithm)
+        except (OSError, urllib.error.URLError):
+            if attempt == 2:
+                raise
+            time.sleep(attempt + 1)
+
+
+def fabric_libraries():
+    profile = json.loads((ROOT / "tools/benchmark-deps/fabric.lock.json").read_text())
+    jars = []
+    for library in profile["libraries"]:
+        group, artifact, version = library["name"].split(":")
+        relative = f"{group.replace('.', '/')}/{artifact}/{version}/{artifact}-{version}.jar"
+        jars.append(fetch(library["url"] + relative, CACHE / "fabric" / relative,
+                          library["sha256"], "sha256"))
+    return jars
+
+
+
+def conditional_client_jvm_options(manifest, system=None, architecture=None):
+    """Use official OS/architecture flags alongside our managed JVM/classpath options."""
+    options = []
+    for argument in manifest.get("arguments", {}).get("jvm", []):
+        if not isinstance(argument, dict) or not library_allowed(argument, system, architecture):
+            continue
+        value = argument["value"]
+        values = [value] if isinstance(value, str) else value
+        if not isinstance(values, list) or any(not isinstance(item, str) or "${" in item for item in values):
+            raise ValueError("Unsupported conditional client JVM argument")
+        options.extend(values)
+    return options