Fix failure setting optimize option (#480)

Author: Dani Pinyol

src/julia/options.py

@@ -134,7 +134,7 @@ class JuliaOptions(object):
     compile = Choices("compile", yes_no_etc("all", "min"))
     depwarn = Choices("depwarn", yes_no_etc("error"))
     warn_overwrite = Choices("warn_overwrite", yes_no_etc())
-    optimize = Choices("optimize", dict(zip(range(4), range(4))))
+    optimize = Choices("optimize", dict(zip(range(4), map(str, range(4)))))
     inline = Choices("inline", yes_no_etc())
     check_bounds = Choices("check_bounds", yes_no_etc())
 

src/julia/tests/test_juliaoptions.py

@@ -11,7 +11,7 @@
     (dict(compiled_modules="no"), ["--compiled-modules", "no"]),
     (dict(depwarn="error"), ["--depwarn", "error"]),
     (dict(sysimage="PATH"), ["--sysimage", "PATH"]),
-    (dict(bindir="PATH"), ["--home", "PATH"]),
+    (dict(optimize=3), ["--optimize", "3"]),
 ])
 # fmt: on
 def test_as_args(kwargs, args):

src/julia/tests/test_options.py

@@ -1,4 +1,4 @@
-from julia.options import JuliaOptions, options_docs
+from julia.options import JuliaOptions, options_docs, parse_jl_options
 
 
 def parse_options_docs(docs):
@@ -23,3 +23,9 @@ def test_options_docs():
         odef = optdefs.pop(desc.name)
         assert odef["domain"] == desc._domain()
     assert not optdefs
+
+
+def test_parse_jl_options():
+    opts = parse_jl_options(["--home", "/home", "--sysimage", "/sys/image", "--optimize", "3"])
+    assert opts.home == "/home"
+    assert opts.sysimage == "/sys/image"