eng, automation, use raw string on regex pattern (Azure#45211)

Author: weidongxu-microsoft

eng/automation/generate.py

@@ -437,7 +437,7 @@ def main():
 
         readme = args["readme"]
         match = re.match(
-            "specification/([^/]+)/resource-manager(/.*)*/readme.md",
+            r"specification/([^/]+)/resource-manager(/.*)*/readme.md",
             readme,
             re.IGNORECASE,
         )

eng/automation/generate_utils.py

@@ -158,7 +158,7 @@ def generate_changelog_and_breaking_change(
 
 
 def update_changelog(changelog_file, changelog):
-    version_pattern = "^## (\d+\.\d+\.\d+(?:-[\w\d\.]+)?) \((.*?)\)"
+    version_pattern = r"^## (\d+\.\d+\.\d+(?:-[\w\d\.]+)?) \((.*?)\)"
     with open(changelog_file, "r") as fin:
         old_changelog = fin.read()
 
@@ -175,8 +175,8 @@ def update_changelog(changelog_file, changelog):
 
     first_version_part = old_changelog[: first_version.end() + second_version.start()]
     # remove text starting from the first '###' (usually the block '### Features Added')
-    first_version_part = re.sub("\n###.*", "\n", first_version_part, flags=re.S)
-    first_version_part = re.sub("\s+$", "", first_version_part)
+    first_version_part = re.sub(r"\n###.*", "\n", first_version_part, flags=re.S)
+    first_version_part = re.sub(r"\s+$", "", first_version_part)
 
     first_version_part += "\n\n"
     if changelog.strip() != "":
@@ -252,7 +252,7 @@ def get_version(
 
 
 def valid_service(service: str):
-    return re.sub("[^a-z0-9_]", "", service.lower())
+    return re.sub(r"[^a-z0-9_]", "", service.lower())
 
 
 def read_api_specs(api_specs_file: str) -> Tuple[str, dict]:

eng/automation/install_instruction.py

@@ -25,7 +25,7 @@ def main():
 
     for artifact in config.get("artifacts", []):
         logging.debug("Got artifact: {0}".format(artifact))
-        if re.match("{0}-\d+\.\d+\.\d+(-beta\.\d+)?\.jar".format(artifact_id), artifact):
+        if re.match(r"{0}-\d+\.\d+\.\d+(-beta\.\d+)?\.jar".format(artifact_id), artifact):
             logging.debug("Match jar package: {0}".format(artifact))
             download_url = config.get("downloadUrlPrefix", "") + artifact
             with open(sys.argv[2], "w") as fout:

eng/automation/sdk_generate.py

@@ -252,7 +252,7 @@ def main():
 
     readme = args["readme"]
     match = re.match(
-        "specification/([^/]+)/resource-manager/readme.md",
+        r"specification/([^/]+)/resource-manager/readme.md",
         readme,
         re.IGNORECASE,
     )

eng/automation/utils.py

@@ -41,7 +41,7 @@ def add_module_to_default_profile(pom: str, module: str) -> Tuple[bool, str]:
     for profile in re.finditer(r"<profile>[\s\S]*?</profile>", pom):
         profile_value = profile.group()
         if re.search(r"<id>default</id>", profile_value):
-            if len(re.findall("<modules>", profile_value)) > 1:
+            if len(re.findall(r"<modules>", profile_value)) > 1:
                 logging.error("[POM][Profile][Skip] find more than one <modules> in <profile> default")
                 return (False, "")
             modules = re.search(r"<modules>[\s\S]*</modules>", profile_value)
@@ -61,7 +61,7 @@ def add_module_to_pom(pom: str, module: str) -> Tuple[bool, str]:
         logging.info("[POM][Skip] pom already has module {0}".format(module))
         return (True, pom)
 
-    if len(re.findall("<modules>", pom)) > 1:
+    if len(re.findall(r"<modules>", pom)) > 1:
         if pom.find("<profiles>") >= 0:
             return add_module_to_default_profile(pom, module)
         logging.error("[POM][Skip] find more than one <modules> in pom")
@@ -164,7 +164,7 @@ def update_service_files_for_new_lib(sdk_root: str, service: str, group: str, mo
                 )
 
             ci_yml_str = yaml.dump(ci_yml, width=sys.maxsize, sort_keys=False, Dumper=ListIndentDumper)
-            ci_yml_str = re.sub("(\n\S)", r"\n\1", ci_yml_str)
+            ci_yml_str = re.sub(r"(\n\S)", r"\n\1", ci_yml_str)
 
             with open(ci_yml_file, "w") as fout:
                 fout.write(CI_HEADER)
@@ -310,7 +310,7 @@ def set_or_increase_version(
 ) -> Tuple[str, str]:
     version_file = os.path.join(sdk_root, "eng/versioning/version_client.txt")
     project = "{0}:{1}".format(group, module)
-    version_pattern = "(\d+)\.(\d+)\.(\d+)(-beta\.\d+)?"
+    version_pattern = r"(\d+)\.(\d+)\.(\d+)(-beta\.\d+)?"
     version_format = "{0}.{1}.{2}{3}"
     default_version = version if version else DEFAULT_VERSION