fix: Fix file encoding issues in setup.py and test files

setup.py

@@ -29,7 +29,7 @@ def find_src():
     extra_link_args=["-lstdc++", "-lm"] + strip_flags,
 )
 
-with open("src/version_template.h") as f:
+with open("src/version_template.h", encoding='utf-8') as f:
     version_template = f.read()
 
 

test/benchmark_test.py

@@ -29,7 +29,7 @@ def test_benchmark_encode(self):
 
         for filename in bench_files:
             base_name = os.path.basename(filename)
-            with open(filename, "r") as f:
+            with open(filename, "r", encoding='utf-8') as f:
                 data = json.load(f)
             time_std = self.time_benchmark(1000, json.dumps, data, indent=None, ensure_ascii=False)
             print(f"test encode, file: {base_name}, time_std: {time_std}")
@@ -45,7 +45,7 @@ def test_benchmark_decode(self):
 
         for filename in bench_files:
             base_name = os.path.basename(filename)
-            with open(filename, "r") as f:
+            with open(filename, "r", encoding='utf-8') as f:
                 data = f.read()
             time_std = self.time_benchmark(1000, json.loads, data)
             print(f"test decode, file: {base_name}, time_std: {time_std}")

test/decode_test.py

@@ -87,7 +87,7 @@ def test_decode(self):
 
         test_cases = [json.dumps(case, ensure_ascii=False) for case in test_cases_origin]
         for bench_file in bench_files:
-            with open(bench_file, "r") as f:
+            with open(bench_file, "r", encoding='utf-8') as f:
                 test_cases.append(f.read())
 
         for case in test_cases:

test/encode_test.py

@@ -109,7 +109,7 @@ def test_encode(self):
         ]
 
         for file in self._get_benchfiles_fullpath():
-            with open(file, "r") as f:
+            with open(file, "r", encoding='utf-8') as f:
                 test_cases.append(json.load(f))
 
         for case in test_cases:

test/memory_test.py

@@ -152,7 +152,7 @@ def test_decode_leak(self):
 
         datas = []
         for file in self._get_benchfiles_fullpath():
-            with open(file, "r") as f:
+            with open(file, "r", encoding='utf-8') as f:
                 datas.append(f.read())
 
         # warm up. CPython will not release memory immediately.