added logging

gentooimgr/config.py

@@ -2,11 +2,15 @@ import os
 import json
 import sys
 import argparse
+
+from gentooimgr import LOG
 import gentooimgr.configs
 import multiprocessing
 
 # A day in seconds:
 DAY_IN_SECONDS = 60*60*24
+# days until the iso is old
+DAYS = 1
 # Define threads to compile packages with
 THREADS = multiprocessing.cpu_count()
 # URL to latest image text file, defaults to amd64. This is parsed to find latest iso to download
@@ -37,9 +41,14 @@ CLOUD_MODULES = [
 ]
 
 def load_config(path):
+    assert path, "load config called with nothing"
     if os.path.exists(path):
         with open(path, 'r') as f:
-            return json.loads(f.read())
+            try:
+                return json.loads(f.read())
+            except Exception as e:
+                LOG.error(f"ERROR loading {path}")
+                raise
     return {}
 
 def load_default_config(config_name):
@@ -51,9 +60,14 @@ def load_default_config(config_name):
     if not name in gentooimgr.configs.KNOWN_CONFIGS:
         return {}
 
-    with open(os.path.join(gentooimgr.configs.CONFIG_DIR, config_name), 'r') as f:
-        return json.loads(f.read())
-
+    json_file = os.path.join(gentooimgr.configs.CONFIG_DIR, config_name)
+    ret = {}
+    with open(json_file, 'r') as f:
+        try:
+            ret = json.loads(f.read())
+        except Exception as e:
+            LOG.error(f"loading {json_file} {e}")
+    return ret
 
 def inherit_config(config: dict) -> dict:
     """Returns the json file that the inherit key specifies; will recursively update if inherit values are set.
@@ -95,10 +109,10 @@ def determine_config(args: argparse.Namespace) -> dict:
 
     # Check custom configuration
     configuration = load_default_config(args.config or 'base.json')
-    if not configuration:
+    if not configuration and args.config:
         configuration = load_config(args.config)
     if not configuration:
-        sys.stderr.write(f"\tWW: Warning: Configuration {args.config} is empty\n")
+        LOG.error(f"\tWW: Warning: Configuration {args.config} is empty\n")
     else:
         if configuration.get("inherit"):
             # newpkgs = configuration.get("packages", {})