add command line options --tmin and --tmax

apps/lassie

@@ -18,6 +18,13 @@ def d2u(d):
         return d.replace('-', '_')
 
 
+def str_to_time(s):
+    try:
+        return util.str_to_time(s)
+    except util.TimeStrError, e:
+        raise lassie.LassieError(str(e))
+
+
 subcommand_descriptions = {
     'init': 'create initial configuration file',
     'scan': 'detect seismic events',
@@ -236,16 +243,35 @@ def command_scan(args):
             '--stop-after-first', dest='stop_after_first', action='store_true',
             help='show plot for every detection found')
 
+        parser.add_option(
+            '--tmin', dest='tmin', metavar="'YYYY-MM-DD HH:MM:SS.XXX'",
+            help='beginning of processing time window '
+                 '(overrides config file settings)')
+
+        parser.add_option(
+            '--tmax', dest='tmax', metavar="'YYYY-MM-DD HH:MM:SS.XXX'",
+            help='end of processing time window '
+                 '(overrides config file settings)')
+
     parser, options, args = cl_parse('scan', args, setup=setup)
     if len(args) != 1:
         help_and_die(parser, 'missing argument')
 
     config_path = args[0]
     config = lassie.read_config(config_path)
-    print config
     try:
+        tmin = tmax = None
+
+        if options.tmin:
+            tmin = str_to_time(options.tmin)
+
+        if options.tmax:
+            tmax = str_to_time(options.tmax)
+
         lassie.scan(
             config,
+            override_tmin=tmin,
+            override_tmax=tmax,
             force=options.force,
             show_detections=options.show_detections,
             show_movie=options.show_movie,

src/core.py

@@ -15,6 +15,8 @@ logger = logging.getLogger('lassie.core')
 
 def scan(
         config,
+        override_tmin=None,
+        override_tmax=None,
         show_detections=False,
         show_movie=False,
         force=False,
@@ -63,8 +65,8 @@ def scan(
 
     station_weights = {}
 
-    tmin = config.tmin
-    tmax = config.tmax
+    tmin = override_tmin or config.tmin
+    tmax = override_tmax or config.tmax
     for trs in p.chopper(
             tmin=tmin, tmax=tmax, tinc=tinc, tpad=tpad,
             want_incomplete=False,