Add support for custom variables

inni/cli.py

@@ -1,5 +1,7 @@
 import sys
-from typing import Optional
+from importlib import import_module
+from pathlib import Path
+from typing import Any, Optional
 
 import click
 from rich.console import Console
@@ -15,12 +17,25 @@ error_console = Console(stderr=True, style="red bold")
 @click.option(
     "-c", "--config", type=click.Path(exists=True, dir_okay=False, readable=True)
 )
+@click.option(
+    "-v", "--vars-file", type=click.Path(exists=True, dir_okay=False, readable=True)
+)
 @click.pass_context
-def inni(ctx: click.Context, config: Optional[str]):
+def inni(ctx: click.Context, config: Optional[str], vars_file: Optional[str]):
     ctx.ensure_object(dict)
     if config is None:
         config = str(default_config())
     ctx.obj["config"] = read_config(config)
+    if vars_file is not None:
+        vars_module: Path = Path(vars_file)
+    else:
+        vars_module: Path = default_config().parent / "vars.py"
+
+    if vars_module.exists():
+        module_dir = vars_module.parent
+        sys.path.append(str(module_dir))
+        ctx.obj["vars"] = import_module(vars_module.name.removesuffix(".py"))
+        sys.path.remove(str(module_dir))
 
 
 def _login_out(ctx: click.Context, login: bool):
@@ -47,8 +62,11 @@ def _login_out(ctx: click.Context, login: bool):
         variables_to_prompt.update(
             module.template_variables()["login" if login else "logout"]
         )
+    variables_to_prompt.remove("vars")
 
-    responses = {}
+    responses: dict[str, Any] = {
+        "vars": ctx.obj.get("vars", {}),
+    }
     for var in variables_to_prompt:
         prompt = prompts.get(var, f"{var}:").strip() + " "
         responses[var] = console.input("[blue]" + prompt)