fix imports from Core/Base not working

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Fixed
+- Fixed an issue when importing from submodules of the imported package without using relative imports.
+- Fixed an issue when trying to import (either directly or indirectly via `import *`) from Base or Core.
+
 ## [0.9.1] - 2025-07-14
 This is the first version were the CHANGELOG was added
 

src/frompackage/imports_helpers.jl

@@ -145,7 +145,12 @@ function process_modpath!(mwn::ModuleWithNames, p::FromPackageController{name};
     elseif root_name === :>
         # Deps import
         @assert !is_catchall(mwn) "You can't use the catch-all expression when importing from dependencies"
-        m = get_dep_from_loaded_modules(p, first(path); allow_manifest=true)
+        modname = first(path)
+        m = if modname in (:Base, :Core)
+            modname == :Base ? Base : Core
+        else
+            get_dep_from_loaded_modules(p, first(path); allow_manifest=true)
+        end
         # Replace the deps name with the uuid_name symbol from loaded modules
         path[1] = unique_module_name(m)
         # Add the loaded module path

test/TestPackage/src/TestPackage.jl

@@ -3,6 +3,9 @@ module TestPackage
 import PlutoDevMacros
 export toplevel_variable
 
+using Base.Threads: Threads, Event
+using Core: MethodTable
+
 const TEST_INIT = Ref{Int}(0)
 
 toplevel_variable = 15

test/TestPackage/src/notebook1.jl

@@ -1,5 +1,5 @@
 ### A Pluto.jl notebook ###
-# v0.20.13
+# v0.20.18
 
 using Markdown
 using InteractiveUtils
@@ -32,9 +32,17 @@ toplevel_variable + hidden_toplevel_variable
 # # We define a method
 testmethod(x) = "ANY"
 
+# ╔═╡ cd0230d0-2a08-4839-a788-630fbce8faf1
+Event == Base.Threads.Event || error("There was a problem loading from Base")
+
+# ╔═╡ 6338e7c7-8218-4e65-beca-94e43ece936e
+MethodTable == Core.MethodTable || error("There was a problem loading from Core")
+
 # ╔═╡ Cell order:
 # ╠═8de53a58-e6ab-11ed-1db7-ef087d78eaef
 # ╠═22f0a6a4-907b-4389-b6b7-1f175289c69b
 # ╠═cf9f785b-f8f5-4d1b-9a48-ca5983843ba4
 # ╠═9a8ae7e2-d3c4-4cf2-876e-bcde84741540
 # ╠═c9997396-bd93-41f1-8c3c-d13c7c6c5c3e
+# ╠═cd0230d0-2a08-4839-a788-630fbce8faf1
+# ╠═6338e7c7-8218-4e65-beca-94e43ece936e