Create base.py

base.py

@@ -0,0 +1,44 @@
+# Функция для замены NULL на пустые строки
+def replace_null_with_empty_string(conn):
+    cursor = conn.cursor()
+    query = """
+        UPDATE contacts
+        SET 
+            name = COALESCE(name, ''),
+            phone = COALESCE(phone, ''),
+            email = COALESCE(email, ''),
+            vk_id = COALESCE(vk_id, ''),
+            chat_id = COALESCE(chat_id, ''),
+            ws_st = COALESCE(ws_st, ''),
+            ws_stop = COALESCE(ws_stop, ''),
+            web_st = COALESCE(web_st, ''),
+            fin_prog = COALESCE(fin_prog, ''),
+            b_city = COALESCE(b_city, ''),
+            b_fin = COALESCE(b_fin, ''),
+            b_ban = COALESCE(b_ban, ''),
+            b_ign = COALESCE(b_ign, ''),
+            b_baners = COALESCE(b_baners, ''),
+            b_butt = COALESCE(b_butt, ''),
+            b_mess = COALESCE(b_mess, ''),
+            shop_st = COALESCE(shop_st, ''),
+            curator = COALESCE(curator, ''),
+            pr1 = COALESCE(pr1, ''),
+            pr2 = COALESCE(pr2, ''),
+            pr3 = COALESCE(pr3, ''),
+            pr4 = COALESCE(pr4, ''),
+            pr5 = COALESCE(pr5, ''),
+            gc_url = COALESCE(gc_url, ''),
+            key_pr = COALESCE(key_pr, ''),
+            n_con = COALESCE(n_con, ''),
+            canal = COALESCE(canal, ''),
+            data_on = COALESCE(data_on, ''),
+            data_t = COALESCE(data_t, ''),
+            utm_source = COALESCE(utm_source, ''),
+            utm_medium = COALESCE(utm_medium, ''),
+            utm_campaign = COALESCE(utm_campaign, ''),
+            utm_term = COALESCE(utm_term, ''),
+            utm_content = COALESCE(utm_content, ''),
+            gcpc = COALESCE(gcpc, '')
+    """
+    cursor.execute(query)
+    conn.commit()