From eb004479645a4e1f0d842e4434b909f476569dcc Mon Sep 17 00:00:00 2001
From: Julian Berman <Julian@GrayVines.com>
Date: Sun, 5 Mar 2023 08:26:30 +0200
Subject: Replace the other usages of pyrsistent with rpds.

---
 jsonschema/_types.py         | 26 +++++++++++---------------
 jsonschema/tests/test_cli.py |  6 ++----
 jsonschema/validators.py     |  4 ++--
 3 files changed, 15 insertions(+), 21 deletions(-)

(limited to 'jsonschema')

diff --git a/jsonschema/_types.py b/jsonschema/_types.py
index 5b543f7..9f8dfa0 100644
--- a/jsonschema/_types.py
+++ b/jsonschema/_types.py
@@ -1,26 +1,22 @@
 from __future__ import annotations
 
+from typing import Any, Callable, Mapping
 import numbers
-import typing
 
-from pyrsistent import pmap
-from pyrsistent.typing import PMap
+from rpds import HashTrieMap
 import attr
 
 from jsonschema.exceptions import UndefinedTypeCheck
 
 
-# unfortunately, the type of pmap is generic, and if used as the attr.ib
+# unfortunately, the type of HashTrieMap is generic, and if used as the attr.ib
 # converter, the generic type is presented to mypy, which then fails to match
 # the concrete type of a type checker mapping
 # this "do nothing" wrapper presents the correct information to mypy
-def _typed_pmap_converter(
-    init_val: typing.Mapping[
-        str,
-        typing.Callable[["TypeChecker", typing.Any], bool],
-    ],
-) -> PMap[str, typing.Callable[["TypeChecker", typing.Any], bool]]:
-    return pmap(init_val)
+def _typed_map_converter(
+    init_val: Mapping[str, Callable[["TypeChecker", Any], bool]],
+) -> HashTrieMap[str, Callable[["TypeChecker", Any], bool]]:
+    return HashTrieMap.convert(init_val)
 
 
 def is_array(checker, instance):
@@ -82,11 +78,11 @@ class TypeChecker:
             The initial mapping of types to their checking functions.
     """
 
-    _type_checkers: PMap[
-        str, typing.Callable[["TypeChecker", typing.Any], bool],
+    _type_checkers: HashTrieMap[
+        str, Callable[["TypeChecker", Any], bool],
     ] = attr.ib(
-        default=pmap(),
-        converter=_typed_pmap_converter,
+        default=HashTrieMap(),
+        converter=_typed_map_converter,
     )
 
     def __repr__(self):
diff --git a/jsonschema/tests/test_cli.py b/jsonschema/tests/test_cli.py
index 6d5873a..c5b0b2e 100644
--- a/jsonschema/tests/test_cli.py
+++ b/jsonschema/tests/test_cli.py
@@ -16,8 +16,6 @@ try:  # pragma: no cover
 except ImportError:  # pragma: no cover
     import importlib_metadata as metadata  # type: ignore
 
-from pyrsistent import m
-
 from jsonschema import Draft4Validator, Draft202012Validator
 from jsonschema.exceptions import (
     SchemaError,
@@ -70,13 +68,13 @@ def _message_for(non_json):
 
 class TestCLI(TestCase):
     def run_cli(
-        self, argv, files=m(), stdin=StringIO(), exit_code=0, **override,
+        self, argv, files=None, stdin=StringIO(), exit_code=0, **override,
     ):
         arguments = cli.parse_args(argv)
         arguments.update(override)
 
         self.assertFalse(hasattr(cli, "open"))
-        cli.open = fake_open(files)
+        cli.open = fake_open(files or {})
         try:
             stdout, stderr = StringIO(), StringIO()
             actual_exit_code = cli.run(
diff --git a/jsonschema/validators.py b/jsonschema/validators.py
index bd13544..3182d13 100644
--- a/jsonschema/validators.py
+++ b/jsonschema/validators.py
@@ -16,8 +16,8 @@ import reprlib
 import warnings
 
 from jsonschema_specifications import REGISTRY as SPECIFICATIONS
-from pyrsistent import m
 from referencing import Specification
+from rpds import HashTrieMap
 import attr
 import referencing.jsonschema
 
@@ -802,7 +802,7 @@ class _RefResolver:
         self,
         base_uri,
         referrer,
-        store=m(),
+        store=HashTrieMap(),
         cache_remote=True,
         handlers=(),
         urljoin_cache=None,
-- 
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