added binary for seed generation on compile time, closes #12, closes #11

Author: ba0f3

tempfile.nim

@@ -43,17 +43,15 @@ proc getTempDir(): string =
 
 proc mktempUnsafe*(prefix = "tmp", suffix = "", dir = "", len = 8): string =
   ## Returns a unique temporary file name. The file is not created.
-  when nimvm:
-    when defined(windows):
-      var seed = initRand(31157)
-    else:
-      var seed = initRand(staticExec("date +'%N'").parseint)
-  else:
-    discard
   var name = newString(len)
   for x in 0..MAX_RETRIES:
     for i in 0..len-1:
       when nimvm:
+        var seed: Rand
+        try:
+          seed = initRand(staticExec("tempfile_seeder").parseint)
+        except:
+          raise newException(IOError, "Cannot find seeder for compile time, make sure you have nimble's bin dir to your $PATH")
         name[i] = CHARSET[rand(seed, CHARSET.len-1)]
       else:
         name[i] = CHARSET[rand(CHARSET.len-1)]

tempfile.nimble

@@ -1,9 +1,12 @@
-[Package]
-name          = "tempfile"
-version       = "0.1.6"
+# Package
+
+version       = "0.1.7"
 author        = "Huy Doan"
 description   = "Temporary files and folders"
 license       = "MIT"
 
-[Deps]
-Requires: "nim >= 0.19.0"
+bin = @["tempfile_seeder"]
+
+# Dependencies
+
+requires "nim >= 0.19.0"

tempfile_seeder.nim

@@ -0,0 +1,9 @@
+
+when isMainModule:
+  import random
+
+  randomize()
+  echo rand(high(int))
+
+
+

tests/nim.cfg

@@ -0,0 +1 @@
+--path:".."

tests/test1.nim

@@ -0,0 +1,11 @@
+import tempfile
+
+
+proc ct(): string {.compileTime.} =
+  result = mktempUnsafe()
+  echo "Compile time: " & result
+
+const a = ct()
+
+
+echo "Run time: " & a