Make prefix optional, with empty string as default.

TagPlot.py

@@ -5,7 +5,7 @@ from TagPlot_matplotlib import TagPlot_matplotlib
 import warnings
 
 
-def TagPlot(figs, prefix, engine, method=1, location='east'):
+def TagPlot(figs, engine, prefix='', method=1, location='east'):
     """
     Determine which plot engine should be used to tag the plots.
 
@@ -42,7 +42,6 @@ def TagPlot(figs, prefix, engine, method=1, location='east'):
     if isinstance(prefix, str):
         pass
     else:
-        # TODO: Make prefix optional.
         raise TypeError("Prefix is not a string.")
 
     if isinstance(figs, list):

TagPlot_matplotlib.py

@@ -32,7 +32,8 @@ def TagPlot_matplotlib(figs, prefix, method, rotation, position):
     # Loop to create and position the IDs
     for fig in figs:
         ID = CreateID.CreateID(method)
-        IDs.append(prefix + '_' + str(ID))
+        ID = prefix + str(ID)
+        IDs.append(ID)
         plt.figure(fig.number)
         plt.figtext(x=position[0], y=position[1], s=ID, ha='left', wrap=True,
                     rotation=rotation, fontsize=FONTSIZE, color=COLOR)

example.py

@@ -23,7 +23,7 @@ sys.path.append("fcn_help")
 
 
 # %% Project ID
-ProjectID = "MR04"
+ProjectID = "MR04_"
 
 # %% Plot engine
 plot_engine = "matplotlib"
@@ -56,7 +56,8 @@ fig = [fig1, fig2]
 
 
 # %% TagPlot
-[figs, ID] = TagPlot(fig, ProjectID, plot_engine, method='2', location='west')
+[figs, ID] = TagPlot(fig, plot_engine, prefix=ProjectID,
+                     method='2', location='west')
 
 # %% Figure als tiff-Datei abspeichern
 for i, figure in enumerate(figs):