Match escaped square brackets in paths literally not as regexes

fsspec · Jul 7, 2023 · 8861b29 · 8861b29
1 parent 3b55be9
commit 8861b29
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/fsspec/spec.py b/fsspec/spec.py
@@ -603,6 +603,11 @@ def glob(self, path, **kwargs):
         )
         pattern = re.sub("[*]{2}", "=PLACEHOLDER=", pattern)
         pattern = re.sub("[*]", "[^/]*", pattern)
+
+        # Replace \\[ with \[ and \\] with \], which ensures that user-specified
+        # escaped square brackets are matched literally and not as regexes.
+        pattern = re.sub(r"\\\\([\[\]])", r"\\\1", pattern)
+
         pattern = re.compile(pattern.replace("=PLACEHOLDER=", ".*"))
         out = {
             p: allpaths[p]