fix: load policy rule without splitting custom functions (#293)

* fix: load policy rule without splitting custom functions

* fix: Update adapter.py

* build: update python and os for tests

* fix: update CI

---------

Co-authored-by: hsluoyz <hsluoyz@qq.com>

Author: flynndcs

.github/workflows/build.yml

@@ -11,8 +11,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
-        os: [ubuntu-18.04, macOS-latest, windows-latest]
+        python-version: ['3.9', '3.10', '3.11']
+        os: [ubuntu-latest, macOS-latest, windows-latest]
 
     steps:
     - name: Checkout

casbin/persist/adapter.py

@@ -25,12 +25,12 @@ def load_policy_line(line, model):
     stack = []
     tokens = []
     for c in line:
-        if c == "[":
+        if c == "[" or c == "(":
             stack.append(c)
-            tokens[-1] += "["
-        elif c == "]":
+            tokens[-1] += c
+        elif c == "]" or c == ")":
             stack.pop()
-            tokens[-1] += "]"
+            tokens[-1] += c
         elif c == "," and len(stack) == 0:
             tokens.append("")
         else: