Problems with signature changes of imported local modules on include

General Usage
25

Including a file like this should occur exactly once in only one module. You should not be including it multiple times in multiple modules like this.

I’m confused because you do not actually declare moduleA or moduleB anywhere.

Let’s start from scratch.

Let’s construct a proper package.

$ tree
.
├── MyModel
│   ├── Project.toml
│   └── src
│       └── MyModel.jl
└── MyPackage
    ├── Manifest.toml
    ├── Project.toml
    ├── config.toml
    └── src
        ├── ModuleA.jl
        ├── ModuleB.jl
        └── MyPackage.jl

4 directories, 8 files



$ find . -print   -exec cat {} \;   -printf "\n"
.
cat: .: Is a directory
./MyPackage
cat: ./MyPackage: Is a directory
./MyPackage/Project.toml
name = "MyPackage"
uuid = "331a3bf3-8bf7-4b5c-8fe0-a68622373184"
authors = ["root "]
version = "0.1.0"

[deps]
MyModel = "99c7e603-0d09-40a3-8af7-b79e4bce3e38"
TOML = "fa267f1f-6049-4f14-aa54-33bafae1ed76"

./MyPackage/src
cat: ./MyPackage/src: Is a directory
./MyPackage/src/MyPackage.jl
module MyPackage

import TOML
using MyModel: Model, getdata
# I recommend Preferences.jl here
const configs = TOML.parsefile(
    joinpath(@__DIR__, "..", "config.toml")
)
const runtimevars = configs["runtimevars"]
const models = Dict{String, Model}()

isentrypoint() = abspath(PROGRAM_FILE) == @__FILE__

for var in runtimevars
    models[var] = Model(var)
end

for var in runtimevars
    # We might confuse run time and compile time
    # by changing model in between includes
    # global model = Model(var)
    if var == "Evaluate in ModuleA."
        include("ModuleA.jl")
    elseif var == "Evaluate in ModuleB."
        include("ModuleB.jl")
    end
end

end # module MyPackage

./MyPackage/src/ModuleA.jl
module A
    using ..MyPackage: Model, getdata, isentrypoint, models
    processdataA(model::Model) = println(getdata(model))

    function __init__()
        if isentrypoint()
            println(getdata(models["Evaluate in ModuleA."]))
            println("We are evaluating in ModuleA.")
        end
    end
end


./MyPackage/src/ModuleB.jl
module B
   using MyModel: Model, getdata
   using ..MyPackage: models, isentrypoint
   processdataB(model::Model) = println(getdata(model))

   function __init__()
        if isentrypoint()
            processdataB(models["Evaluate in ModuleB."])
            println("We are evaluating in ModuleB.")
        end
    end
end

./MyPackage/Manifest.toml
# This file is machine-generated - editing it directly is not advised

julia_version = "1.9.3"
manifest_format = "2.0"
project_hash = "a583b77fe794703b105dd8a19da10f8b2723c0b5"

[[deps.Dates]]
deps = ["Printf"]
uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"

[[deps.MyModel]]
path = "../MyModel"
uuid = "99c7e603-0d09-40a3-8af7-b79e4bce3e38"
version = "0.1.0"

[[deps.Printf]]
deps = ["Unicode"]
uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"

[[deps.TOML]]
deps = ["Dates"]
uuid = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
version = "1.0.3"

[[deps.Unicode]]
uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"

./MyPackage/config.toml
runtimevars=["Evaluate in ModuleA.", "Evaluate in ModuleB."]

./MyModel
cat: ./MyModel: Is a directory
./MyModel/Project.toml
name = "MyModel"
uuid = "99c7e603-0d09-40a3-8af7-b79e4bce3e38"
authors = ["root "]
version = "0.1.0"

./MyModel/src
cat: ./MyModel/src: Is a directory
./MyModel/src/MyModel.jl
module MyModel

struct Model
data::String
end
root@localhost:~/hijit# find . -print   -exec cat {} \;   -printf "\n"
.
cat: .: Is a directory
./MyPackage
cat: ./MyPackage: Is a directory
./MyPackage/Project.toml
name = "MyPackage"
uuid = "331a3bf3-8bf7-4b5c-8fe0-a68622373184"
authors = ["root "]
version = "0.1.0"

[deps]
MyModel = "99c7e603-0d09-40a3-8af7-b79e4bce3e38"
TOML = "fa267f1f-6049-4f14-aa54-33bafae1ed76"

./MyPackage/src
cat: ./MyPackage/src: Is a directory
./MyPackage/src/MyPackage.jl
module MyPackage

import TOML
using MyModel: Model, getdata
# I recommend Preferences.jl here
const configs = TOML.parsefile(
    joinpath(@__DIR__, "..", "config.toml")
)
const runtimevars = configs["runtimevars"]
const models = Dict{String, Model}()

isentrypoint() = abspath(PROGRAM_FILE) == @__FILE__

for var in runtimevars
    models[var] = Model(var)
end

for var in runtimevars
    # We might confuse run time and compile time
    # by changing model in between includes
    # global model = Model(var)
    if var == "Evaluate in ModuleA."
        include("ModuleA.jl")
    elseif var == "Evaluate in ModuleB."
        include("ModuleB.jl")
    end
end

end # module MyPackage

./MyPackage/src/ModuleA.jl
module A
    using ..MyPackage: Model, getdata, isentrypoint, models
    processdataA(model::Model) = println(getdata(model))

    function __init__()
        if isentrypoint()
            println(getdata(models["Evaluate in ModuleA."]))
            println("We are evaluating in ModuleA.")
        end
    end
end


./MyPackage/src/ModuleB.jl
module B
   using MyModel: Model, getdata
   using ..MyPackage: models, isentrypoint
   processdataB(model::Model) = println(getdata(model))

   function __init__()
        if isentrypoint()
            processdataB(models["Evaluate in ModuleB."])
            println("We are evaluating in ModuleB.")
        end
    end
end

./MyPackage/Manifest.toml
# This file is machine-generated - editing it directly is not advised

julia_version = "1.9.3"
manifest_format = "2.0"
project_hash = "a583b77fe794703b105dd8a19da10f8b2723c0b5"

[[deps.Dates]]
deps = ["Printf"]
uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"

[[deps.MyModel]]
path = "../MyModel"
uuid = "99c7e603-0d09-40a3-8af7-b79e4bce3e38"
version = "0.1.0"

[[deps.Printf]]
deps = ["Unicode"]
uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"

[[deps.TOML]]
deps = ["Dates"]
uuid = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
version = "1.0.3"

[[deps.Unicode]]
uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"

./MyPackage/config.toml
runtimevars=["Evaluate in ModuleA.", "Evaluate in ModuleB."]

./MyModel
cat: ./MyModel: Is a directory
./MyModel/Project.toml
name = "MyModel"
uuid = "99c7e603-0d09-40a3-8af7-b79e4bce3e38"
authors = ["root "]
version = "0.1.0"

./MyModel/src
cat: ./MyModel/src: Is a directory
./MyModel/src/MyModel.jl
module MyModel

struct Model
data::String
end

getdata(model::Model) = model.data

end # module MyModel

Executing…

$ julia --project=MyPackage MyPackage/src/MyPackage.jl
Evaluate in ModuleA.
We are evaluating in ModuleA.
Evaluate in ModuleB.
We are evaluating in ModuleB.

Loading as a library:

$ cd MyPackage && julia --project -e "using MyPackage"
# no output

Having formatting issues. Will fix later. Scroll right

Interactive usage:

julia> using Pkg

julia> pkg"activate MyPackage"                                  Activating project at `~/hijit/MyPackage`
                                                              
julia> using MyPackage

julia> model = MyPackage.models["Evaluate in ModuleA."]
MyModel.Model("Evaluate in ModuleA.")

julia> MyPackage.A.processdataA(model)
Evaluate in ModuleA.
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