Fix escaped characters in quoted property selectors.

Author: jg-rp

CHANGELOG.md

@@ -2,13 +2,12 @@
 
 ## Version 0.3.0 (unreleased)
 
-**Features**
-
 - Added support for function extensions.
 - Added the built-in `length()` function.
 - Added the built-in `count()` function. `count()` is an alias for `length()`
 - Added the built-in `keys()` function.
 - Support filters without parentheses.
+- Adhere to IETF JSONPath draft escaping in quoted property selectors.
 
 ## Version 0.2.0
 

jsonpath/parse.py

@@ -1,6 +1,7 @@
 """The default JSONPath parser."""
 from __future__ import annotations
 
+import codecs
 import re
 from typing import TYPE_CHECKING
 from typing import Callable
@@ -302,8 +303,10 @@ def parse_selector_list(self, stream: TokenStream) -> ListSelector:
                     PropertySelector(
                         env=self.env,
                         token=stream.current,
-                        name=stream.current.value,
-                    )
+                        name=codecs.decode(
+                            stream.current.value.replace("\\/", "/"), "unicode-escape"
+                        ),
+                    ),
                 )
             elif stream.current.kind == TOKEN_SLICE_START:
                 list_items.append(self.parse_slice(stream))

tests/compliance.py

@@ -59,14 +59,11 @@ def mangle_filter(case: Case) -> Case:
             case.selector = case.selector.replace("$[?", "$.*[?")
         return case
 
-    # TODO: skipping "escaped" test cases for now.
     # XXX: skipping filter functions. Not supported.
     return [
         mangle_filter(case)
         for case in cases()
-        if not case.invalid_selector
-        and "escaped" not in case.name
-        and "function" not in case.name
+        if not case.invalid_selector and "function" not in case.name
     ]