minor cleanup

data.py

@@ -56,23 +56,15 @@ def open_db(filename=FILENAME):
 
 
 def main(filename):
-    print('Initializing db file', filename)
     conn = initialize_db_tables(filename)
     stars.init_db(conn)
 
 
-##def stars():
-##    global conn
-##    c = conn.cursor()
-##    c.execute('select x, y, radius from stars')
-##    yield from c.fetchall()
-##    c.close()
-
-
 if __name__ == '__main__':
     import pathlib
 
     if not pathlib.Path(FILENAME).exists():
+        print('Initializing db file', FILENAME)
         main(FILENAME)
     else:
         print(FILENAME, 'already exists!  Not overwriting.')

ui.py

@@ -19,6 +19,7 @@
 #    along with game.  If not see <http://www.gnu.org/licenses/>.
 #
 from tkinter import *
+from tkinter.ttk import Notebook
 
 import data, stars
 
@@ -29,32 +30,32 @@ class App:
     '''
 
     def __init__(self, master=None, *canvas_args, **canvas_kw):
-        frame = self.frame = Frame(root, bg='green')
+        frame = self.frame = Frame(root, background='green')
         frame.rowconfigure(0, weight=1)
         frame.columnconfigure(0, weight=1)
         frame.pack(expand=True, fill=BOTH)
 
-        C = self.canvas = Canvas(frame, *canvas_args, **canvas_kw)
+        canvas = self.canvas = Canvas(frame, *canvas_args, **canvas_kw)
 
         scrollY = self.scrollY = Scrollbar(
             frame,
             orient=VERTICAL,
-            command=C.yview,
+            command=canvas.yview,
             )
-        C['yscrollcommand'] = scrollY.set
+        canvas['yscrollcommand'] = scrollY.set
 
         scrollX = self.scrollX = Scrollbar(
             frame,
             orient=HORIZONTAL,
-            command=C.xview,
+            command=canvas.xview,
             )
-        C['xscrollcommand'] = scrollX.set
+        canvas['xscrollcommand'] = scrollX.set
 
-        C.grid(row=0, column=0, sticky=N+S+E+W)
+        canvas.grid(row=0, column=0, sticky=N+S+E+W)
         scrollY.grid(row=0, column=1, sticky=N+S)
         scrollX.grid(row=1, column=0, sticky=E+W)
 
-        C.bind("<Configure>", self.handle_canvas_resize)
+        canvas.bind("<Configure>", self.handle_canvas_resize)
 
     def handle_canvas_resize(self, event):
         print(event)
@@ -75,7 +76,7 @@ for x, y, radius in stars.iter_stars(data.conn):
         activeoutline='orange',
         activewidth=3,
         )
-    app.canvas.tag_bind(star_id, '<Enter>', (lambda event, sid=star_id, x=x, y=y: root.title(f'{x}, {y}')))
+    app.canvas.tag_bind(star_id, '<Enter>', (lambda event, x=x, y=y: root.title(f'{x}, {y}')))
 
-app.frame.mainloop()
-data.close_db()
+##app.frame.mainloop()
+##data.close_db()