Implementation of 'local://' URI Scheme Support (#1381)

Author: glesperance

fsspec/implementations/local.py

@@ -29,7 +29,7 @@ class LocalFileSystem(AbstractFileSystem):
     """
 
     root_marker = "/"
-    protocol = "file"
+    protocol = "file", "local"
     local_file = True
 
     def __init__(self, auto_mkdir=False, **kwargs):
@@ -215,6 +215,10 @@ def _strip_protocol(cls, path):
             path = path[7:]
         elif path.startswith("file:"):
             path = path[5:]
+        elif path.startswith("local://"):
+            path = path[8:]
+        elif path.startswith("local:"):
+            path = path[6:]
         return make_path_posix(path).rstrip("/") or cls.root_marker
 
     def _isfilestore(self):

fsspec/implementations/tests/test_reference.py

@@ -408,7 +408,7 @@ def test_fss_has_defaults(m):
 
     fs = fsspec.filesystem("reference", fs={"memory": m}, fo={})
     assert fs.fss["memory"] is m
-    assert fs.fss[None].protocol == "file"
+    assert fs.fss[None].protocol == ("file", "local")
 
     fs = fsspec.filesystem("reference", fs={None: m}, fo={})
     assert fs.fss[None] is m

fsspec/registry.py

@@ -61,6 +61,7 @@ def register_implementation(name, cls, clobber=False, errtxt=None):
 # updated with register_implementation
 known_implementations = {
     "file": {"class": "fsspec.implementations.local.LocalFileSystem"},
+    "local": {"class": "fsspec.implementations.local.LocalFileSystem"},
     "memory": {"class": "fsspec.implementations.memory.MemoryFileSystem"},
     "dropbox": {
         "class": "dropboxdrivefs.DropboxDriveFileSystem",