compat with v1.0

Author: jbrea

src/OpenML.jl

@@ -5,7 +5,9 @@ using JSON
 import ARFFFiles
 import ScientificTypes: Continuous, Count, Textual, Multiclass, coerce, autotype
 using Markdown
-using Pkg.Artifacts
+if VERSION > v"1.3.0"
+    using Pkg.Artifacts
+end
 
 export OpenML
 

src/data.jl

@@ -54,17 +54,24 @@ df = DataFrame(table);
 ```
 """
 function load(id::Int; parser = :arff)
-    dir = first(Artifacts.artifacts_dirs())
-    toml = joinpath(dir, "OpenMLArtifacts.toml")
-    hash = artifact_hash(string(id), toml)
-    if hash === nothing || !artifact_exists(hash)
-        hash = Artifacts.create_artifact() do artifact_dir
-            url = load_Dataset_Description(id)["data_set_description"]["url"]
-            download(url, joinpath(artifact_dir, "$id.arff"))
+    if VERSION > v"1.3.0"
+        dir = first(Artifacts.artifacts_dirs())
+        toml = joinpath(dir, "OpenMLArtifacts.toml")
+        hash = artifact_hash(string(id), toml)
+        if hash === nothing || !artifact_exists(hash)
+            hash = Artifacts.create_artifact() do artifact_dir
+                url = load_Dataset_Description(id)["data_set_description"]["url"]
+                download(url, joinpath(artifact_dir, "$id.arff"))
+            end
+            bind_artifact!(toml, string(id), hash)
         end
-        bind_artifact!(toml, string(id), hash)
+        filename = joinpath(artifact_path(hash), "$id.arff")
+    else
+        url = load_Dataset_Description(id)["data_set_description"]["url"]
+        filename = tempname()
+        download(url, filename)
     end
-    data = ARFFFiles.load(joinpath(artifact_path(hash), "$id.arff"))
+    data = ARFFFiles.load(filename)
     if parser == :auto
         return coerce(data, autotype(data))
     else

test/data.jl

@@ -4,7 +4,6 @@ using Test
 using HTTP
 using OpenML
 import Tables.istable
-using Pkg.Artifacts
 
 response_test = OpenML.load_Dataset_Description(61)
 ntp_test = OpenML.load(61)
@@ -41,13 +40,15 @@ end
     @test length(filters_test["data"]["dataset"][1]) == offset
 end
 
-@testset "artifacts" begin
-    dir = first(Artifacts.artifacts_dirs())
-    toml = joinpath(dir, "OpenMLArtifacts.toml")
-    hash = artifact_hash("61", toml)
-    @test artifact_exists(hash)
+if VERSION > v"1.3.0"
+    using Pkg.Artifacts
+    @testset "artifacts" begin
+        dir = first(Artifacts.artifacts_dirs())
+        toml = joinpath(dir, "OpenMLArtifacts.toml")
+        hash = artifact_hash("61", toml)
+        @test artifact_exists(hash)
+    end
 end
 
-
 end
 true