Helpful error messages and progress bar

Manifest.toml

@@ -37,6 +37,12 @@ uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 deps = ["Markdown"]
 uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
 
+[[Juno]]
+deps = ["Base64", "Logging", "Media", "Profile", "Test"]
+git-tree-sha1 = "4e4a8d43aa7ecec66cadaf311fbd1e5c9d7b9175"
+uuid = "e5e0dc1b-0480-54bc-9374-aad01c23163d"
+version = "0.7.0"
+
 [[LatinHypercubeSampling]]
 deps = ["Random", "StatsBase", "Test"]
 git-tree-sha1 = "7cd8af9c1c8591b7501e82ae5d6f39fcb826aae9"
@@ -72,11 +78,17 @@ version = "0.5.0"
 deps = ["Base64"]
 uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
 
+[[Media]]
+deps = ["MacroTools", "Test"]
+git-tree-sha1 = "75a54abd10709c01f1b86b84ec225d26e840ed58"
+uuid = "e89f7d12-3494-54d1-8411-f7d8b9ae1f27"
+version = "0.5.0"
+
 [[Missings]]
-deps = ["Dates", "InteractiveUtils", "SparseArrays", "Test"]
-git-tree-sha1 = "d1d2585677f2bd93a97cfeb8faa7a0de0f982042"
+deps = ["SparseArrays", "Test"]
+git-tree-sha1 = "f0719736664b4358aa9ec173077d4285775f8007"
 uuid = "e1d29d7a-bbdc-5cf2-9ac0-f12de2c33e28"
-version = "0.4.0"
+version = "0.4.1"
 
 [[Mmap]]
 uuid = "a63ad114-7e13-5084-954f-fe012c677804"
@@ -101,6 +113,10 @@ uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 deps = ["Unicode"]
 uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 
+[[Profile]]
+deps = ["Printf"]
+uuid = "9abbd945-dff8-562f-b5e8-e1ebf5ef1b79"
+
 [[REPL]]
 deps = ["InteractiveUtils", "Markdown", "Sockets"]
 uuid = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"

Project.toml

@@ -1,10 +1,11 @@
 name = "Hyperopt"
 uuid = "93e5fe13-2215-51db-baaf-2e9a34fb2712"
 author = ["Fredrik Bagge Carlson <[email protected]>"]
-version = "0.2.1"
+version = "0.2.2"
 
 [deps]
 Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b"
+Juno = "e5e0dc1b-0480-54bc-9374-aad01c23163d"
 LatinHypercubeSampling = "a5e1c1ea-c99a-51d3-a14d-a9a37257b02d"
 Lazy = "50d2b5c4-7a5e-59d5-8109-a42b560f39c0"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
@@ -16,5 +17,5 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-julia = "1.0"
 LatinHypercubeSampling = "1.2"
+julia = "1.0"

src/Hyperopt.jl

@@ -4,6 +4,7 @@ export Hyperoptimizer, @hyperopt, @phyperopt, printmin, printmax
 export RandomSampler, BlueNoiseSampler, LHSampler, CLHSampler, Continuous, Categorical
 
 using LinearAlgebra, Statistics
+using Juno
 using Lazy
 using MacroTools
 using MacroTools: postwalk, prewalk
@@ -50,7 +51,7 @@ function Base.iterate(ho::Hyperoptimizer, state=1)
 end
 
 function preprocess_expression(ex)
-    ex.head == :for || error("Wrong syntax, Use For-loop syntax")
+    ex.head == :for || error("Wrong syntax, Use For-loop syntax, ex: @hyperopt for i=100, param=LinRange(1,10,100) ...")
     params     = []
     candidates = []
     sampler_ = :(RandomSampler())
@@ -62,7 +63,7 @@ function preprocess_expression(ex)
             deleteat!(loop,i) # Remove the sampler from the args
             continue
         end
-        @capture(loop[i], param_ = list_) || error("Wrong syntax In @hyperopt")
+        @capture(loop[i], param_ = list_) || error("Wrong syntax, Use For-loop syntax, ex: @hyperopt for i=100, param=LinRange(1,10,100) ...")
         push!(params, param)
         push!(candidates, list)
         i += 1
@@ -76,9 +77,12 @@ macro hyperopt(ex)
     params, candidates, sampler_ = preprocess_expression(ex)
     quote
         ho = Hyperoptimizer(iterations = $(esc(candidates[1])), params = $(esc(params[2:end])), candidates = $(Expr(:tuple, esc.(candidates[2:end])...)), sampler=$(esc(sampler_)))
-        for $(Expr(:tuple, esc.(params)...)) = ho
-            res = $(esc(ex.args[2])) # ex.args[2] = Body of the For loop
-            push!(ho.results, res)
+        Juno.progress() do id
+            for $(Expr(:tuple, esc.(params)...)) = ho
+                res = $(esc(ex.args[2])) # ex.args[2] = Body of the For loop
+                push!(ho.results, res)
+                Base.CoreLogging.@logmsg -1 "Hyperopt" progress=$(esc(params[1]))/ho.iterations  _id=id
+            end
         end
         ho
     end