graphs.py aangemaakt om grafieken te plotten met matplotlib

graphs.py

@@ -0,0 +1,35 @@
+from matplotlib.backends.backend_svg import FigureCanvasSVG
+from matplotlib.backends.backend_agg import FigureCanvasAgg
+from matplotlib.figure import Figure
+import numpy as np
+import random
+import io
+import math
+
+
+def random_plot():
+    fig = Figure()
+    axis = fig.add_subplot(1, 1, 1)
+
+    randint = random.randint(1, 50)
+    x = np.arange(randint, random.randint(randint, randint+50), 0.05)
+    y = np.tan(math.pi*x)
+
+    axis.plot(x, y)
+
+    output = io.BytesIO()
+    FigureCanvasSVG(fig).print_svg(output)
+
+    return output.getvalue()
+
+
+def plot_xy(x, y):
+    fig = Figure(figsize=(32, 18))
+    axis = fig.add_subplot(1, 1, 1)
+
+    axis.plot(x, y)
+
+    output = io.BytesIO()
+    FigureCanvasAgg(fig).print_png(output)
+
+    return output.getvalue()