Support -h and -v in nilm-trainola

Makefile

@@ -1,14 +1,14 @@
 #URL="http://bucket.mit.edu:8080/nilmdb"
 URL="http://localhost/nilmdb"
 
-all:
-ifeq ($(INSIDE_EMACS), t)
-	@make test
-else
-	@echo "Try 'make install'"
-endif
+all: test
 
-test: test_trainola3
+test:
+ifeq ($(INSIDE_EMACS), t)
+	@make test_trainola3
+else
+	@echo 'No test suite for nilmtools.  Try "make install"'
+endif
 
 test_pipewatch:
 	nilmtools/pipewatch.py -t 3 "seq 10 20" "seq 20 30"

nilmtools/insert.py

@@ -53,7 +53,7 @@ def parse_args(argv = None):
       is stepped forward to match 'clock'.
 
     - If 'data' is running ahead, there is overlap in the data, and an
-      error is raised.  If '--ignore' is specified, the current file
+      error is raised.  If '--skip' is specified, the current file
       is skipped instead of raising an error.
     """))
     parser.add_argument("-u", "--url", action="store",

nilmtools/prep.py

@@ -81,7 +81,8 @@ def main(argv = None):
     f.check_dest_metadata({ "prep_raw_source": f.src.path,
                             "prep_sinefit_source": sinefit.path,
                             "prep_column": args.column,
-                            "prep_rotation": repr(rotation) })
+                            "prep_rotation": repr(rotation),
+                            "prep_nshift": args.nshift })
 
     # Find the intersection of the usual set of intervals we'd filter,
     # and the intervals actually present in sinefit data.  This is

nilmtools/trainola.py

@@ -287,8 +287,21 @@ def main(argv = None):
 
     if argv is None:
         argv = sys.argv[1:]
-    if len(argv) != 1:
-        raise DataError("need one argument, either a dictionary or JSON string")
+    if len(argv) != 1 or argv[0] == '-h' or argv[0] == '--help':
+        printf("usage: %s [-h] [-v] <json-config-dictionary>\n\n", sys.argv[0])
+        printf("  Where <json-config-dictionary> is a JSON-encoded " +
+               "dictionary string\n")
+        printf("  with exemplar and stream data.\n\n")
+        printf("  See extras/trainola-test-param*.js in the nilmtools " +
+               "repository\n")
+        printf("  for examples.\n")
+        if len(argv) != 1:
+            raise SystemExit(1)
+        raise SystemExit(0)
+
+    if argv[0] == '-v' or argv[0] == '--version':
+        printf("%s\n", nilmtools.__version__)
+        raise SystemExit(0)
 
     try:
         # Passed in a JSON string (e.g. on the command line)