Add script to generate qr from clipboard

prog/qr.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+
+"""
+QR Code creation from clipboard.
+
+Test this program simply with pipx:
+
+pipx run https://git.sekun.eu/sekun/utils/raw/branch/main/prog/qr.py
+
+"""
+
+# /// script
+# dependencies = [
+# "pyqrcode",
+# ]
+# ///
+
+
+import tkinter as tk
+from tkinter import messagebox
+
+import pyqrcode as qr
+
+
+def main():
+
+    root = tk.Tk()
+    root.title = "Qr code"
+    root.state("iconic")
+    data = root.clipboard_get()
+    try:
+        code = qr.create(data)
+    except ValueError as e:
+        messagebox.showerror(
+            "Qr code", f"Erreur lors de la création du code QR.\n«{e}»"
+        )
+        exit(1)
+
+    sw = root.winfo_screenwidth()
+    sh = root.winfo_screenheight()
+    size = min(sw, sh) - 100
+
+    scale = size // (len(code.code[0]) + 8)
+    img = tk.BitmapImage(data=code.xbm(scale=scale))
+    w = img.width()
+    root.geometry(f"{w}x{w}+50+50")
+    img.config(background="white")
+    label = tk.Label(root, image=img)
+    label.pack()
+    root.mainloop()
+
+
+if __name__ == "__main__":
+    main()