Merge pull request #297 from Aurora7913/close-filehandles

Fix python warnings about filehandles left open

compiler/debug.py

@@ -90,6 +90,7 @@ def log(str):
                 compile_log.write(line)
             log.setup_output = []
         compile_log.write(str + '\n')
+        compile_log.close()
     else:
         log.setup_output.append(str + "\n")
 

compiler/globals.py

@@ -23,7 +23,8 @@ from openram import options
 
 
 from openram import OPENRAM_HOME
-VERSION = open(OPENRAM_HOME + "/../VERSION").read().rstrip()
+with open(OPENRAM_HOME + "/../VERSION", "r", encoding="utf-8") as version_file:
+    VERSION = version_file.read().rstrip()
 NAME = "OpenRAM v{}".format(VERSION)
 USAGE = "sram_compiler.py [options] <config file>\nUse -h for help.\n"