Source code for the PTG event scheduling bot
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#! /usr/bin/env python
# Copyright (c) 2017, Thierry Carrez
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.
import calendar
import copy
import datetime
from itertools import chain
import json
import os
import random
class PTGDataBase():
BASE = {'tracks': [], 'slots': {}, 'now': {}, 'next': {}, 'colors': {},
'location': {}, 'scheduled': {}, 'additional': {}}
def __init__(self, config):
self.filename = config['db_filename']
self.slots = config['slots']
self.scheduled = config['scheduled']
self.extrarooms = config['extrarooms']
if os.path.isfile(self.filename):
with open(self.filename, 'r') as fp: = json.load(fp)
else: = copy.deepcopy(self.BASE)
old_data = copy.deepcopy(['additional'])
def load_data_from_config(self):
# Copy slots definition and scheduled rooms from configuration['slots'] = self.slots['scheduled'] = self.scheduled
# Create additional rooms dictionary from extrarooms definition
for room in self.extrarooms.keys():['additional'][room] = {}
for slot in self.extrarooms[room]:['additional'][room][slot] = ''
# Add tracks mentioned in configuration that are not in track list
for room, bookings in self.scheduled.items():
for time, track in bookings.items():
if track not in['tracks']:['tracks'].append(track)['colors'][track] = random.choice([
def merge_additional(self, old_data):
# Populate 'additional' with saved data where appropriate
for room in['additional'].keys():
for slot in['additional'][room].keys():
try:['additional'][room][slot] = old_data[room][slot]
except KeyError:
def add_now(self, track, session):['now'][track] = session
# Update location if none manually provided yet
room = self.get_track_room(track)
if room and track not in['location']:
self.add_location(track, room)
if track in['next']:
def add_color(self, track, color):['colors'][track] = color
def get_track_room(self, track):
# This simplified version returns the first room the track is
# scheduled in for the day. If the event does not run on this
# day, pick the first day.
today = calendar.day_name[]
if today not in['slots']:
today = next(iter(['slots']))
all_schedule = chain(['scheduled'].items(),['additional'].items())
for room, bookings in all_schedule:
for btime, btrack in bookings.items():
for slot in['slots'].get(today, []):
if btrack == track and btime == slot['name']:
return room
return None
def add_location(self, track, location):['location'][track] = location
def add_next(self, track, session):
if track not in['next']:['next'][track] = []['next'][track].append(session)
def is_track_valid(self, track):
return track in['tracks']
def list_tracks(self):
return sorted(['tracks'])
def add_tracks(self, tracks):
for track in tracks:
if track not in['tracks']:['tracks'].append(track)
def del_tracks(self, tracks):
for track in tracks:
if track in['tracks']:['tracks'].remove(track)
def clean_tracks(self, tracks):
for track in tracks:
if track in['now']:
if track in['next']:
def is_slot_valid_and_empty(self, room, timeslot):
return not['additional'][room][timeslot]
except KeyError:
return False
def book(self, track, room, timeslot):['additional'][room][timeslot] = track
def new_day_cleanup(self):['now'] = {}['next'] = {}['location'] = {}
def reload(self): = copy.deepcopy(self.BASE)
def save(self):
timestamp =['timestamp'] = '{:%Y-%m-%d %H:%M:%S}'.format(timestamp)['tracks'] = sorted(['tracks'])
with open(self.filename, 'w') as fp:
json.dump(, fp)