[Infra] Use raw string for TAG_VERSION_REGEX (#68063)

Author: SigureMo

python/env_dict.py.in

@@ -3,7 +3,7 @@ env_dict={
     'PADDLE_SOURCE_DIR':'@PADDLE_SOURCE_DIR@',
     'PADDLE_VERSION':'@PADDLE_VERSION@',
     'PADDLE_BINARY_DIR':'@PADDLE_BINARY_DIR@',
-    'TAG_VERSION_REGEX':'@TAG_VERSION_REGEX@',
+    'TAG_VERSION_REGEX':r'@TAG_VERSION_REGEX@',
     'WITH_GPU':'@WITH_GPU@',
     'WITH_NCCL':'@WITH_NCCL@',
     'CUDNN_MAJOR_VERSION':'@CUDNN_MAJOR_VERSION@',

python/setup.py.in

@@ -43,7 +43,7 @@ def _get_version_detail(idx):
     assert idx < 3, "vesion info consists of %(major)d.%(minor)d.%(patch)d, \
         so detail index must less than 3"
 
-    if re.match('@TAG_VERSION_REGEX@', '@PADDLE_VERSION@'):
+    if re.match(r'@TAG_VERSION_REGEX@', '@PADDLE_VERSION@'):
         version_details = '@PADDLE_VERSION@'.split('.')
 
         if len(version_details) >= 3:

python/setup_cinn.py.in

@@ -27,7 +27,7 @@ def _get_version_detail(idx):
     assert idx < 3, "vesion info consists of %(major)d.%(minor)d.%(patch)d, \
         so detail index must less than 3"
 
-    if re.match('${TAG_VERSION_REGEX}', '${PADDLE_VERSION}'):
+    if re.match(r'${TAG_VERSION_REGEX}', '${PADDLE_VERSION}'):
         version_details = '${PADDLE_VERSION}'.split('.')
 
         if len(version_details) >= 3: