Fix InputFileGenerator relative paths

Change the InputFileGenerator script invocation and the
output file path in the script to correctly represent
paths relative to the project source directory

Author: rafbiels

CMakeLists.txt

@@ -32,7 +32,7 @@ endif()
 
 find_package(Python QUIET)
 if(Python_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/scripts/InputFileGenerator.py")
-    execute_process(COMMAND ${Python_EXECUTABLE} ../scripts/InputFileGenerator.py)
+    execute_process(COMMAND ${Python_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/InputFileGenerator.py)
 else()
     message(WARNING "Unable to generate input configuration files")
 endif()

scripts/InputFileGenerator.py

@@ -40,6 +40,7 @@
 import json
 import random
 import sys
+import os
 from threading import Thread
 import time
 
@@ -711,9 +712,11 @@ def main(argv):
 
     # Write configurations to JSON files
     for config in toGenerate:
-        with open("../input/" + config[0] + ".json", "w") as out:
+        outputDir = os.path.dirname(os.path.realpath(__file__)) + '/../input/'
+        outputFileName = outputDir + config[0] + ".json"
+        with open(outputFileName, "w") as out:
             json.dump(config[1], out, ensure_ascii=False, indent=4)
-        print("Finished Generating ../input/" + config[0] + ".json")
+        print("Finished Generating " + outputFileName)
 
 
 if __name__ == "__main__":