precompile init function to save 4-5 seconds

Author: Christopher Doris

Project.toml

@@ -12,6 +12,7 @@ Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Markdown = "d6f4376e-aef5-505a-96c1-9c027394607a"
 Requires = "ae029012-a4dd-5104-9daa-d747884805df"
+SnoopCompile = "aa65fe97-06da-5843-b5b1-d5d13cad87d2"
 TableTraits = "3783bdb8-4a98-5b6b-af9a-565f29a5fe9c"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 UnsafePointers = "e17b2a0c-0bdf-430a-bd0c-3a23cae4ff39"

src/init.jl

@@ -9,7 +9,7 @@ check_libpath(PyCall) = begin
     end
 end
 
-@init begin
+init() = begin
     # Check if libpython is already loaded (i.e. if the Julia interpreter was started from a Python process)
     CONFIG.isembedded = haskey(ENV, "JULIA_PYTHONCALL_LIBPTR")
 
@@ -327,3 +327,6 @@ end
 
     @debug "Initialized PythonCall.jl" CONFIG.isembedded CONFIG.isinitialized CONFIG.exepath CONFIG.libpath CONFIG.libptr CONFIG.pyprogname CONFIG.pyhome CONFIG.version CONFIG.isconda CONFIG.condaenv
 end
+precompile(init, ())
+
+@init init()