Move environment set up to site_scons

site_scons/site_init.py

@@ -0,0 +1,20 @@
+# site_init.py
+# Eryn Wells <eryn@erynwells.me>
+
+import erw
+
+#
+# Argument utils
+#
+
+def get_bool_argument(arg):
+    '''
+    Convert the given argument value to a bool. True values are any integer that
+    is considered true by Python, and any string value that isn't a
+    capitalization variant of the word "false".
+    '''
+    try:
+        return bool(int(arg))
+    except ValueError:
+        pass
+    return str(arg).lower() != 'false'