core: introduce global context (MR 2252)

We can't totally escape the need for some runtime state defined by args.
To make the migration easier, introduce a global "Context" class and
move some of the read-only global options there.

Signed-off-by: Caleb Connolly <caleb@postmarketos.org>

pmb/helpers/args.py

@@ -114,9 +114,23 @@ def init(args: PmbArgs) -> PmbArgs:
     pmb.config.merge_with_args(args)
     replace_placeholders(args)
 
+    # Configure runtime context
+    context = pmb.core.get_context()
+    context.command_timeout = args.timeout
+    context.details_to_stdout = args.details_to_stdout
+    context.sudo_timer = args.sudo_timer
+    context.quiet = args.quiet
+
     # Initialize logs (we could raise errors below)
     pmb.helpers.logging.init(args)
 
+    # Remove attributes from args so they don't get used by mistake
+    delattr(args, "timeout")
+    delattr(args, "details_to_stdout")
+    delattr(args, "sudo_timer")
+    delattr(args, "log")
+    delattr(args, "quiet")
+
     # Initialization code which may raise errors
     check_pmaports_path(args)
     if args.action not in ["init", "checksum", "config", "bootimg_analyze", "log",