Custom IDs

README.md

@@ -56,6 +56,8 @@ The argument "plot_engine" defines which plot engine was used to create the figu
 tagplot returns a PlotIDTransfer object that contains the tagged figures and the corresponding IDs as strings.
 
 Optional parameters can be used to customize the tag process.
+- *figure_ids*: list of str, optional
+        IDs that will be printed on the plot. If empty, IDs will be generated for each plot. If this option is used, an ID for each plot has to be specified. Default: [].
 - *prefix* : str, optional
         Will be added as prefix to the ID.
 - *id_method* : str, optional

examples/image_example.py

@@ -29,6 +29,7 @@ FIGS_AND_IDS = tagplot(
     "image",
     prefix=PROJECT_ID,
     id_method="time",
+    location="west",
     qrcode=True,
 )
 # Required arguments: tagplot(images as list, desired plot engine)

plotid/plotoptions.py

@@ -86,6 +86,9 @@ class PlotOptions:
         self.position = position
         self.prefix = kwargs.get("prefix", "")
         self.id_method = kwargs.get("id_method", "time")
+        # Overwrite id_method if figure_ids were defined by the user
+        if self.figure_ids:
+            self.id_method = "custom"
         self.qrcode = kwargs.get("qrcode", False)
         self.qr_position = kwargs.get("qr_position", (1, 0))
         self.qr_size = kwargs.get("qr_size", 100)

plotid/tagplot.py

@@ -39,6 +39,10 @@ def tagplot(
 
     Other Parameters
     ----------------
+    figure_ids: list of str, optional
+        IDs that will be printed on the plot. If empty, IDs will be generated for each
+        plot. If this option is used, an ID for each plot has to be specified.
+        Default: [].
     location : str, optional
         Location for ID to be displayed on the plot. Default is "east".
     rotation: float or int, optional

plotid/tagplot_image.py

@@ -56,9 +56,22 @@ def tagplot_image(plotid_object: PlotOptions) -> PlotIDTransfer:
         except OSError:
             warnings.warn("Font was not found.\nplotID continues with fallback font.")
 
-    for i, img in enumerate(plotid_object.figs):
+    if plotid_object.font:
+        try:
+            # Absolute path to font file (.ttf or .otf) has to be given
+            font = ImageFont.truetype(plotid_object.font, plotid_object.fontsize)
+        except OSError:
+            warnings.warn("Font was not found.\nplotID continues with fallback font.")
+
+    for j, img in enumerate(plotid_object.figs):
+        if plotid_object.id_method == "custom":
+            # If IDs were given by the user, use them
+            img_id: str = str(plotid_object.figure_ids[j])
+        else:
+            # Create ID with given method
             img_id = plotid_object.prefix + create_id(plotid_object.id_method)
             plotid_object.figure_ids.append(img_id)
+
         img = Image.open(img)
 
         if plotid_object.id_on_plot:
@@ -92,7 +105,7 @@ def tagplot_image(plotid_object: PlotOptions) -> PlotIDTransfer:
                     ),
                 ),
             )
-        plotid_object.figs[i] = img
+        plotid_object.figs[j] = img
 
     figs_and_ids = PlotIDTransfer(plotid_object.figs, plotid_object.figure_ids)
     return figs_and_ids

plotid/tagplot_matplotlib.py

@@ -50,8 +50,13 @@ def tagplot_matplotlib(plotid_object: PlotOptions) -> PlotIDTransfer:
         font = matplotlib.font_manager.FontProperties(fname=font)
 
     # Loop to create and position the IDs
-    for fig in plotid_object.figs:
-        fig_id: str = create_id(plotid_object.id_method)
+    for j, fig in enumerate(plotid_object.figs):
+        if plotid_object.id_method == "custom":
+            # If IDs were given by the user, use them
+            fig_id: str = str(plotid_object.figure_ids[j])
+        else:
+            # Create ID with given method
+            fig_id = create_id(plotid_object.id_method)
             fig_id = plotid_object.prefix + fig_id
             plotid_object.figure_ids.append(fig_id)
         plt.figure(fig)

tests/test_tagplot_image.py

@@ -16,7 +16,6 @@ FIG1 = plt.figure()
 IMG1 = "image1.png"
 FIG2 = plt.figure()
 IMG2 = "image2.jpg"
-IMGS_AS_LIST = [IMG1, IMG2]
 
 # Constants for tests
 PROJECT_ID = "MR01"
@@ -40,9 +39,10 @@ class TestTagplotImage(unittest.TestCase):
         respectively.
         """
         options = PlotOptions(
-            IMGS_AS_LIST,
+            [IMG1, IMG2],
             ROTATION,
             POSITION,
+            figure_ids=["test123456", "654321tset"],
             prefix=PROJECT_ID,
             id_method=METHOD,
             qrcode=True,

tests/test_tagplot_matplotlib.py

@@ -33,6 +33,7 @@ class TestTagplotMatplotlib(unittest.TestCase):
             FIGS_AS_LIST,
             ROTATION,
             POSITION,
+            figure_ids=["test123456", "654321tset"],
             prefix=PROJECT_ID,
             id_method=METHOD,
             qrcode=True,