Weathertop: Add --language flag to deploy.py runner. (#6967)

* Add --language flag to deploy.py runner.

.tools/test/DEPLOYMENT.md

@@ -25,14 +25,15 @@ python -m venv .venv && source .venv/bin/activate && pip install -r requirements
 #### Command Syntax
 
 ```bash
-python stacks/deploy.py --type <deployment_type>
+cd stacks ; python deploy.py <stack>
 ```
 
-Replace `<deployment_type>` with one of the supported types:
+Replace `<stack>` with one of the supported stacks:
 
 - `admin`: Deploys admin-specific resources.
 - `images`: Deploys image-related resources.
 - `plugin`: Deploys plugin-specific resources.
+  - To deploy only a specific language's plugin, pass `--language <language>` where language is an account in [targets.yaml](stacks/config/targets.yaml).
 
 #### Additional Notes
 

.tools/test/stacks/deploy.py

@@ -98,8 +98,9 @@ def deploy_resources(account_id, account_name, dir, lang="typescript"):
 
 
 def main():
-    parser = argparse.ArgumentParser(description="admin, images, or plugin flag.")
+    parser = argparse.ArgumentParser(description="admin, images, or plugin stack.")
     parser.add_argument("type", choices=["admin", "images", "plugin"])
+    parser.add_argument("--language")
     args = parser.parse_args()
 
     accounts = None
@@ -122,11 +123,17 @@ def main():
                 accounts = yaml.safe_load(file)
         except Exception as e:
             print(f"Failed to read config data: \n{e}")
-
+    
     if accounts is None:
         raise ValueError(f"Could not load accounts for stack {args.type}")
 
-    for account_name, account_info in accounts.items():
+    if args.language:
+        items = [(args.language, accounts[args.language])]
+    else:
+        items = accounts.items()
+
+    for account_name, account_info in items:
+
         print(
             f"Reading from account {account_name} with ID {account_info['account_id']}"
         )