[script][figure] Add decimal control in the printing of metrics

bob/measure/script/common_options.py

@@ -375,6 +375,19 @@ def criterion_option(lcriteria=['eer', 'min-hter', 'far'], **kwargs):
     return custom_criterion_option
 
 
+def decimal_option(dflt=2, **kwargs):
+    '''Get option to get decimal value'''
+    def custom_decimal_option(func):
+        def callback(ctx, param, value):
+            ctx.meta['decimal'] = value
+            return value
+        return click.option(
+            '-d', '--decimal', type=click.INT, default=dflt,
+            help='Number of decimals to be printed.',
+            callback=callback, show_default=True, **kwargs)(func)
+    return custom_decimal_option
+
+
 def far_option(**kwargs):
     '''Get option to get far value'''
     def custom_far_option(func):
@@ -589,6 +602,7 @@ def metrics_command(docstring, criteria=('eer', 'min-hter', 'far')):
         @verbosity_option()
         @click.pass_context
         @functools.wraps(func)
+        @decimal_option()
         def wrapper(*args, **kwds):
             return func(*args, **kwds)
         return wrapper

bob/measure/script/figure.py

@@ -219,15 +219,17 @@ class Metrics(MeasureBase):
                 recall, f1_score)
 
     def _strings(self, metrics):
-        fta_str = "%.1f%%" % (100 * metrics[0])
-        fmr_str = "%.1f%% (%d/%d)" % (100 * metrics[1], metrics[6], metrics[7])
-        fnmr_str = "%.1f%% (%d/%d)" % (100 * metrics[2], metrics[8], metrics[9])
-        far_str = "%.1f%%" % (100 * metrics[4])
-        frr_str = "%.1f%%" % (100 * metrics[5])
-        hter_str = "%.1f%%" % (100 * metrics[3])
-        prec_str = "%.1f" % (metrics[10])
-        recall_str = "%.1f" % (metrics[11])
-        f1_str = "%.1f" % (metrics[12])
+        fta_str = "%s%%" % format(100 * metrics[0], '.%df' % self._decimal)
+        fmr_str = "%s%% (%d/%d)" % (format(100 * metrics[1], '.%df' % self._decimal),
+                                    metrics[6], metrics[7])
+        fnmr_str = "%s%% (%d/%d)" % (format(100 * metrics[2], '.%df' % self._decimal),
+                                     metrics[8], metrics[9])
+        far_str = "%s%%" % format(100 * metrics[4], '.%df' % self._decimal)
+        frr_str = "%s%%" % format(100 * metrics[5], '.%df' % self._decimal)
+        hter_str = "%s%%" % format(100 * metrics[3], '.%df' % self._decimal)
+        prec_str = "%s" % format(metrics[10], '.%df' % self._decimal)
+        recall_str = "%s" % format(metrics[11], '.%df' % self._decimal)
+        f1_str = "%s" % format(metrics[12], '.%df' % self._decimal)
 
         return (fta_str, fmr_str, fnmr_str, far_str, frr_str, hter_str,
                 prec_str, recall_str, f1_str)