Update input defaults

src/create_pull_request.py

@@ -15,6 +15,13 @@ DEFAULT_COMMITTER = "GitHub <noreply@github.com>"
 DEFAULT_AUTHOR = (
     "github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>"
 )
+DEFAULT_COMMIT_MESSAGE = "[create-pull-request] automated change"
+DEFAULT_TITLE = "Changes by create-pull-request action"
+DEFAULT_BODY = (
+    "Automated changes by "
+    + "[create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action"
+)
+DEFAULT_BRANCH = "create-pull-request/patch"
 
 
 def get_git_config_value(repo, name):
@@ -89,10 +96,8 @@ def set_committer_author(repo, committer, author):
 github_token = os.environ["GITHUB_TOKEN"]
 github_repository = os.environ["GITHUB_REPOSITORY"]
 # Get environment variables with defaults
-branch = os.getenv("CPR_BRANCH", "create-pull-request/patch")
-commit_message = os.getenv(
-    "CPR_COMMIT_MESSAGE", "Changes by create-pull-request action"
-)
+branch = os.getenv("CPR_BRANCH", DEFAULT_BRANCH)
+commit_message = os.getenv("CPR_COMMIT_MESSAGE", DEFAULT_COMMIT_MESSAGE)
 # Get environment variables with a default of 'None'
 committer = os.environ.get("CPR_COMMITTER")
 author = os.environ.get("CPR_AUTHOR")
@@ -178,12 +183,8 @@ if result["action"] in ["created", "updated"]:
         sys.exit()
 
     # Fetch optional environment variables with default values
-    title = os.getenv("CPR_TITLE", "Auto-generated by create-pull-request action")
-    body = os.getenv(
-        "CPR_BODY",
-        "Auto-generated pull request by "
-        "[create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub Action",
-    )
+    title = os.getenv("CPR_TITLE", DEFAULT_TITLE)
+    body = os.getenv("CPR_BODY", DEFAULT_BODY)
 
     # Create or update the pull request
     coupr.create_or_update_pull_request(