Fixed an issue that prevented recursively traversing URLs

Author: forman

CHANGES.md

@@ -1,5 +1,11 @@
 # XRLint Change History
 
+## Version 0.4.1 (in development)
+
+- Fixed an issue that prevented recursively traversing folders referred 
+  to by URLs (such as `s3://<bucket>/<path>/`) rather than local directory 
+  paths. (#39)
+
 ## Version 0.4.0 (from 2025-01-27)
 
 - Fixed and enhanced core rule `time-coordinate`. `(#33)

xrlint/cli/engine.py

@@ -175,6 +175,7 @@ def compute_config(p: str):
         for file_path in file_paths:
             _fs, root = fsspec.url_to_fs(file_path)
             fs: fsspec.AbstractFileSystem = _fs
+            is_local = isinstance(fs, fsspec.implementations.local.LocalFileSystem)
 
             config = compute_config(file_path)
             if config is not None:
@@ -185,13 +186,15 @@ def compute_config(p: str):
                 for path, dirs, files in fs.walk(root, topdown=True):
                     for d in list(dirs):
                         d_path = f"{path}/{d}"
+                        d_path = d_path if is_local else fs.unstrip_protocol(d_path)
                         c = compute_config(d_path)
                         if c is not None:
                             dirs.remove(d)
                             yield d_path, c
 
                     for f in files:
                         f_path = f"{path}/{f}"
+                        f_path = f_path if is_local else fs.unstrip_protocol(f_path)
                         c = compute_config(f_path)
                         if c is not None:
                             yield f_path, c