Set up stations table in Setup

setup.py

@@ -3,9 +3,17 @@ import requests
 import sys
 from typing import List
 import configparser
+import mysql.connector
 
 HTTP = requests.session()
 
+VRR_STATIONS_TABLE = """
+CREATE TABLE IF NOT EXISTS vrr_stations (
+station_id int not null primary key,
+station_name text);
+
+"""
+
 
 def yn(s: str) -> bool:
     return s in ['y', 'Y', 'J', 'j', '']
@@ -24,13 +32,27 @@ def search_station(search: str) -> List or None:
     return resp.json()['suggestions']
 
 
-def get_station() -> int:
+def add_stations_to_db(results: list, db: dict) -> None:
+    cx = mysql.connector.connect(**db)
+    cr = cx.cursor()
+    cr.execute(VRR_STATIONS_TABLE)
+    for r in results:
+        cr.execute('REPLACE INTO vrr_stations'
+               '(station_id, station_name)'
+               'VALUES (%s, %s)', (r['data'], r['value']))
+    cx.commit()
+    cr.close()
+    cx.close()
+
+
+def get_station(db: dict) -> int:
     station_id = None
     while station_id is None:
         search = input("Which station would you like to monitor? ")
         print("Getting suggestions...")
         results = search_station(search)
         if results:  # empty lists and None are False
+            add_stations_to_db(results, db)
             for i, result in enumerate(results):
                 print(str(i) + ". " + result['value'] + "\t" + result['data'])
             choice_ptr = None
@@ -87,8 +109,29 @@ def get_lines(station_id: int) -> List[str]:
             for r in filt_arr]
 
 
+def config_db() -> dict:
+    def _enter_details() -> dict:
+        r = dict()
+        r['host'] = input("Please enter the database hostname: ")
+        r['user'] = input("Please enter the database user: ")
+        r['password'] = input("Please enter the database password: ")
+        r['database'] = input("Please enter the database name: ")
+        return r
+    successful = False
+    while not successful:
+        r = _enter_details()
+        try:
+            cx = mysql.connector.connect(**r)
+        except:
+            print("The database settings seem incorrect. Please try again.")
+        else:
+            successful = True
+            return r
+
+
 def setup() -> None:
-    station_id = get_station()
+    db_config = config_db()
+    station_id = get_station(db_config)
     lines_ch = input("Would you like to choose specific lines? (Y/n)", )
     if yn(lines_ch):
         lines = get_lines(station_id)
@@ -109,10 +152,10 @@ def setup() -> None:
     cfg['crawl']['use_elevated_trains'] = 'yes'
     cfg['crawl']['use_lines'] = ",".join(lines) if lines is not None else ""
     cfg.add_section('db')
-    cfg['db']['user'] = 'vrr'
-    cfg['db']['pass'] = 'vrr'
-    cfg['db']['host'] = 'localhost'
-    cfg['db']['database'] = 'vrr'
+    cfg['db']['user'] = db_config['user']
+    cfg['db']['pass'] = db_config['password']
+    cfg['db']['host'] = db_config['host']
+    cfg['db']['database'] = db_config['database']
     print("Please save the following output to 'vrr.ini' and adjust any further settings:")
     print("\n" * 3)
     cfg.write(sys.stdout)