Update Requirements

Project.toml

@@ -1,6 +1,6 @@
 name    = "ToQUBO"
 uuid    = "9a412ddf-83fa-43b6-9748-7843c851aa65"
-authors = ["pedromxavier <[email protected]>", "pedroripper <[email protected]>", "joaquimg <[email protected]>", "AndradeTiago <[email protected]>", "bernalde <[email protected]>"]
+authors = ["pedromxavier <mail@pedro.ϵλ>", "pedroripper <[email protected]>", "joaquimg <[email protected]>", "AndradeTiago <[email protected]>", "bernalde <[email protected]>"]
 version = "0.1.9"
 
 [deps]
@@ -13,5 +13,5 @@ TOML                      = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
 [compat]
 MathOptInterface          = "1"
 PseudoBooleanOptimization = "0.2"
-QUBOTools                 = "0.9"
+QUBOTools                 = "0.10"
 julia                     = "1.9"

src/ToQUBO.jl

@@ -7,9 +7,37 @@ import PseudoBooleanOptimization as PBO
 import QUBOTools
 
 # Versioning
-using TOML
-const __PROJECT__ = abspath(@__DIR__, "..")
-const __VERSION__ = VersionNumber(getindex(TOML.parsefile(joinpath(__PROJECT__, "Project.toml")), "version"))
+import TOML
+
+const __PROJECT__ = Ref{Union{String,Nothing}}(nothing)
+
+function __project__()
+    if isnothing(__PROJECT__[])
+        proj_path = abspath(dirname(@__DIR__))
+
+        @assert isdir(proj_path)
+
+        __PROJECT__[] = proj_path
+    end
+
+    return __PROJECT__[]::String
+end
+
+const __VERSION__ = Ref{Union{VersionNumber,Nothing}}(nothing)
+
+function __version__()::VersionNumber
+    if isnothing(__VERSION__[])
+        proj_file_path = abspath(__project__(), "Project.toml")
+
+        @assert isfile(proj_file_path)
+
+        proj_file_data = TOML.parsefile(proj_file_path)
+
+        __VERSION__[] = VersionNumber(proj_file_data["version"])
+    end
+
+    return __VERSION__[]::VersionNumber
+end
 
 # MOI Aliases
 const MOIU = MOI.Utilities