add utils

Signed-off-by: vax521 <13263397018@163.com>

utils.py

@@ -0,0 +1,46 @@
+import numpy as np
+import plotly.graph_objects as go
+
+
+def draw_radar_chart(data, categories):
+    arr = np.array(data, dtype='int')
+    fig = go.Figure()
+    fig.add_trace(go.Scatterpolar(
+        r=arr,
+        theta=categories,
+        fill='toself'
+    ))
+    fig.update_layout(
+        polar=dict(
+            radialaxis=dict(
+                visible=True,
+                range=(0, 100)
+            )),
+        showlegend=False
+    )
+    return fig
+
+
+def draw_multi_radar_chart(data, categories):
+    # arr = np.array(data, dtype='int')
+    # categories = ['A', 'B', 'C', 'D', 'E']
+
+    fig = go.Figure()
+    for arr in data:
+        fig.add_trace(go.Scatterpolar(
+            r=arr,
+            theta=categories,
+            fill='toself'
+        ))
+
+    fig.update_layout(
+        polar=dict(
+            radialaxis=dict(
+                visible=True,
+                range=(0, 100)
+            )),
+        showlegend=False
+    )
+
+    return fig
+