Extract cache directory name in a constant

GitOrigin-RevId: 0b1fecbbae5032d34cb81c683154fdf5d1860987

python/helpers/generator3.py

@@ -511,7 +511,7 @@ def process_one(name, mod_file_name, doing_builtins, sdk_skeletons_dir):
     sdk_skeletons_dir = sdk_skeletons_dir.rstrip(os.path.sep)
     try:
         python_stubs_dir = os.path.dirname(sdk_skeletons_dir)
-        global_cache_dir = os.path.join(python_stubs_dir, 'cache')
+        global_cache_dir = os.path.join(python_stubs_dir, CACHE_DIR_NAME)
         mod_cache_dir = build_cache_dir_path(global_cache_dir, name, mod_file_name)
         # At the moment this is actually enforced on Java-side
         if not should_update_skeleton(sdk_skeletons_dir, name, mod_file_name):

python/helpers/pycharm_generator_utils/constants.py

@@ -812,4 +812,7 @@ BLACKLIST_VERSION_LINE = re.compile(r'(?P<path>[^=]+) = (?P<version>\d+\.\d+) (?
 ENV_TEST_MODE_FLAG = 'GENERATOR3_TEST_MODE'
 ENV_VERSION = 'GENERATOR3_VERSION'
 ENV_REQUIRED_GEN_VERSION_FILE = 'GENERATOR3_REQUIRED_GEN_VERSION_FILE'
+
 FAILED_VERSION_STAMP_PREFIX = '.failed__'
+
+CACHE_DIR_NAME = 'cache'

python/helpers/pycharm_generator_utils/test/test_generation.py

@@ -11,6 +11,7 @@ from pycharm_generator_utils.constants import (
     ENV_TEST_MODE_FLAG,
     ENV_VERSION,
     ENV_REQUIRED_GEN_VERSION_FILE,
+    CACHE_DIR_NAME,
 )
 from pycharm_generator_utils.test import GeneratorTestCase
 
@@ -95,7 +96,7 @@ class SkeletonCachingTest(GeneratorTestCase):
 
     @property
     def temp_cache_dir(self):
-        return os.path.join(self.temp_dir, self.PYTHON_STUBS_DIR, 'cache')
+        return os.path.join(self.temp_dir, self.PYTHON_STUBS_DIR, CACHE_DIR_NAME)
 
     @staticmethod
     def imported_module_path(mod_qname, extra_syspath_entry):