add log scale to "multibar"

src/main.py

@@ -132,6 +132,7 @@ if __name__ == "__main__":
     multi_bar_parser.add_argument("data", type=str, nargs="?", help=f"the actual data to show in a multibar plot\n\n{multi_bar.HELP}")
     multi_bar_parser.add_argument("--label", "-l", type=str, help="the measurement label of the multibar plot")
     multi_bar_parser.add_argument("--style", type=str, default="{}", help="specification for the style of the bar plots, in JSON")
+    multi_bar_parser.add_argument("--log-scale", action="store_true")
 
     common_options = [
         {
@@ -214,6 +215,7 @@ if __name__ == "__main__":
             args.label,
             plot_layout=plot_layout,
             use_tex=args.use_tex,
+            log_scale=args.log_scale,
             style=json.loads(args.style),
         )
 

src/multi_bar.py

@@ -83,6 +83,7 @@ def multi_bar(
     legend_loc: str = "upper left",
     plot_layout: str = "constrained",
     use_tex: bool = False,
+    log_scale: bool = False,
     style: dict = {},
 ) -> matplotlib.figure.Figure:
     if labels_locations is None:
@@ -105,6 +106,8 @@ def multi_bar(
 
     ax.set_ylabel(y_label)
     ax.set_title(title)
+    if log_scale:
+        ax.set_yscale('log')
     ax.set_xticks(labels_locations + width, groups)
     ax.legend(loc=legend_loc, ncols=nb_legend_cols)