ian-weisser

#!/usr/bin/python3

import tkinter
import time

"""
Example tkinter Clock widget, counting seconds and minutes in realtime.

Functions just like a Label widget.

ian-weisser

#!/usr/bin/python3

"""
Locate stop_id candidates from a GTFS stops file.

This is a helper application. You use it to discover a list
  of possible stop_ids for your *real* application. It's handy
  during debugging, or during setup of an application.

Example: You know an intersection name or a lat/lon pair or

ian-weisser

#!/usr/bin/python3

"""
Check a GTFS file's calendar and calendar_dates tables.
Return True if the dates are current or future.
Return False if all dates are in the past and the GTFS file
  can be safely deleted.

This is a working example. Try it. Edit the path to match your GTFS file.
"""

ian-weisser

#!/usr/bin/python3

import curses
import time
import threading


class Clock(threading.Thread):
    """ Clock curses string class. Updates every second. Easy to install """

ian-weisser

#!/usr/bin/python3

"""
tkentrycomplete.py

A tkinter widget that features autocompletion.

Created by Mitja Martini on 2008-11-29.
Converted to Python3 by Ian weisser on 2014-04-06.
"""

ian-weisser

def map_gtfs_table_to_dict(gtfs_file, table_name):
    """
    Read data from a GTFS table, map the data into a list or dict for
    easier iteration or searching or other use. Each line of the table
    is mapped into a separate subdict, with a unique key.

    Many GTFS tables include a unique value (Example: trips_id in the
    trips.txt table) that this function automatically uses as the
    dict key. If a tables has no unique key (Example: calendar_dates.txt),
    the system generates a unique key using an incrementing row counter.

ian-weisser

def map_stop_times_to_dict(gtfs_file, list_of_stops):
    """
    The stop_times.txt table can be *huge*, and can eat all your RAM
    as 100MB of string data gets split into 1GB of dict data.

    Instead, load the table in chunks, and filter it for the content
    we want before loading the next chunk.

    Reducing the huge stop_times file by ~95% also has the side effect
    of cutting the script runtime in half.

ian-weisser

#!/usr/bin/python3

import subprocess 

def right_network (fqdn):
   """
   # Example of using 'dig' to find the IP address of a network IP address
   $ dig -4 +short www.example.com
   24.209.187.117