added config export pattern

aprsd_twitter_plugin/cli.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+"""
+CLI tool for aprsd-twitter-plugin configuration export.
+"""
+
+import json
+import sys
+
+
+def export_config_cmd(format="json"):
+    """Export plugin configuration options."""
+    try:
+        from aprsd_twitter_plugin.conf.opts import export_config
+
+        result = export_config(format=format)
+
+        if format == "json":
+            print(result)
+        else:
+            print(json.dumps(result, indent=2))
+
+        return 0
+    except ImportError as e:
+        print(f"Error: {e}", file=sys.stderr)
+        print("\nTo export config, install oslo.config:", file=sys.stderr)
+        print("  pip install oslo.config", file=sys.stderr)
+        return 1
+    except Exception as e:
+        print(f"Error exporting config: {e}", file=sys.stderr)
+        return 1
+
+
+def main():
+    """Main entry point for CLI."""
+    import argparse
+
+    parser = argparse.ArgumentParser(
+        description="Export aprsd-twitter-plugin configuration options",
+    )
+    parser.add_argument(
+        "--format",
+        choices=["dict", "json"],
+        default="json",
+        help="Output format (default: json)",
+    )
+
+    args = parser.parse_args()
+    sys.exit(export_config_cmd(format=args.format))
+
+
+if __name__ == "__main__":
+    main()

aprsd_twitter_plugin/conf/opts.py

@@ -28,6 +28,7 @@ in this package. It is assumed that:
 
 import collections
 import importlib
+import importlib.util
 import os
 import pkgutil
 
@@ -78,3 +79,68 @@ def _append_config_options(imported_modules, config_options):
         configs = mod.list_opts()
         for key, val in configs.items():
             config_options[key].extend(val)
+
+
+def export_config(format="dict"):
+    """
+    Export configuration options as a simple data structure.
+
+    This function extracts configuration information from oslo_config
+    option objects and returns it in a simple dict or JSON format.
+    Works independently of aprsd installation.
+
+    Args:
+        format: Output format - 'dict' (default) or 'json'
+
+    Returns:
+        dict or JSON string containing all configuration options with:
+        - name: option name
+        - type: option type (StrOpt, BoolOpt, IntOpt, etc.)
+        - default: default value
+        - help: help text
+        - required: whether the option is required
+        - choices: list of valid choices (if applicable)
+        - secret: whether the option contains secret data (if applicable)
+        - min/max: min/max values for numeric types (if applicable)
+
+    Raises:
+        ImportError: if oslo_config is not installed
+    """
+    # Check if oslo_config is available
+    if importlib.util.find_spec("oslo_config") is None:
+        raise ImportError(
+            "oslo_config is required to export configuration. "
+            "Install it with: pip install oslo.config",
+        )
+
+    opts = list_opts()
+    result = {}
+
+    for group_name, opt_list in opts:
+        result[group_name] = []
+        for opt in opt_list:
+            opt_dict = {
+                "name": opt.name,
+                "type": type(opt).__name__,
+                "default": getattr(opt, "default", None),
+                "help": getattr(opt, "help", ""),
+                "required": not hasattr(opt, "default") or getattr(opt, "default", None) is None,
+            }
+
+            # Add additional attributes if available
+            if hasattr(opt, "choices") and opt.choices:
+                opt_dict["choices"] = list(opt.choices)
+            if hasattr(opt, "secret") and opt.secret:
+                opt_dict["secret"] = True
+            if hasattr(opt, "min") and opt.min is not None:
+                opt_dict["min"] = opt.min
+            if hasattr(opt, "max") and opt.max is not None:
+                opt_dict["max"] = opt.max
+
+            result[group_name].append(opt_dict)
+
+    if format == "json":
+        import json
+
+        return json.dumps(result, indent=2)
+    return result

pyproject.toml

@@ -55,6 +55,9 @@ packages = ["aprsd_twitter_plugin"]
 [project.entry-points."oslo.config.opts.defaults"]
     "aprsd_twitter_plugin.conf" = "aprsd_twitter_plugin.conf.opts:defaults"  # type: ignore
 
+[project.scripts]
+    "aprsd-twitter-plugin-export-config" = "aprsd_twitter_plugin.cli:main"
+
 [tool.pbr]
 # PBR configuration