nabu-config: Force absolute dataset path

nabu/resources/cli/bootstrap.py

@@ -2,7 +2,6 @@ from os import path
 from .utils import parse_params_values
 from .cli_configs import BootstrapConfig
 from ...io.config import generate_nabu_configfile
-from ..validators import convert_to_bool
 
 def parse_sections(sections):
     sections = sections.lower()
@@ -38,11 +37,18 @@ def bootstrap():
     prefilled_values = {}
     if args["dataset"] != "":
         prefilled_values["dataset"] = {}
-        prefilled_values["dataset"]["location"] = args["dataset"]
+        user_dataset = args["dataset"]
+        if not path.isabs(user_dataset):
+            user_dataset = path.abspath(user_dataset)
+            print("Warning: using absolute dataset path %s" % user_dataset)
+        if not path.exists(user_dataset):
+            print("Error: cannot find the file or directory %s" % user_dataset)
+            exit(1)
+        prefilled_values["dataset"]["location"] = user_dataset
+
     generate_nabu_configfile(
         args["output"],
         comments=not(no_comments),
         options_level=args["level"],
         prefilled_values=prefilled_values,
     )
-