Squash Odysseus development history

src/workspace_paths.py

@@ -0,0 +1,64 @@
+"""Workspace path mapping for host-driven clients and Docker backends."""
+
+from __future__ import annotations
+
+import os
+from pathlib import PurePosixPath
+
+
+def _clean_path(value: str | None) -> str:
+    text = str(value or "").strip()
+    if not text or "\n" in text or "\r" in text:
+        return ""
+    return os.path.abspath(os.path.expanduser(text))
+
+
+def _path_pairs() -> list[tuple[str, str]]:
+    pairs: list[tuple[str, str]] = []
+
+    mapping = os.environ.get("ODYSSEUS_WORKSPACE_MOUNTS", "")
+    for item in mapping.replace(";", ",").split(","):
+        if not item.strip() or "=" not in item:
+            continue
+        host, container = item.split("=", 1)
+        host_path = _clean_path(host)
+        container_path = _clean_path(container)
+        if host_path and container_path:
+            pairs.append((host_path, container_path))
+
+    host_root = _clean_path(os.environ.get("ODYSSEUS_WORKSPACE_HOST_ROOT"))
+    container_root = _clean_path(
+        os.environ.get("ODYSSEUS_WORKSPACE_CONTAINER_ROOT") or "/workspace"
+    )
+    if host_root and container_root:
+        pairs.append((host_root, container_root))
+
+    pairs.sort(key=lambda pair: len(pair[0]), reverse=True)
+    return pairs
+
+
+def workspace_mount_pairs() -> list[tuple[str, str]]:
+    """Configured (host_root, container_root) mount pairs, longest-first."""
+    return _path_pairs()
+
+
+def backend_workspace_path(path: str | None) -> str:
+    """Translate a user-facing host workspace path into a backend-visible path."""
+    original = str(path or "").strip()
+    if not original or "\n" in original or "\r" in original:
+        return ""
+
+    expanded = os.path.abspath(os.path.expanduser(original))
+    for host_root, container_root in _path_pairs():
+        try:
+            common = os.path.commonpath([host_root, expanded])
+        except ValueError:
+            continue
+        if common != host_root:
+            continue
+        rel = os.path.relpath(expanded, host_root)
+        if rel == ".":
+            return container_root
+        return str(PurePosixPath(container_root) / rel)
+    return expanded
+