mirror of https://gitlab.com/bashrc2/epicyon
527 lines
19 KiB
Python
527 lines
19 KiB
Python
__filename__ = "happening.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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__version__ = "1.1.0"
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__maintainer__ = "Bob Mottram"
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__email__ = "bob@freedombone.net"
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__status__ = "Production"
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import os
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from uuid import UUID
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from datetime import datetime
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from utils import loadJson
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from utils import saveJson
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from utils import locatePost
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from utils import daysInMonth
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from utils import mergeDicts
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def validUuid(testUuid: str, version=4):
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"""Check if uuid_to_test is a valid UUID
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"""
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try:
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uuid_obj = UUID(testUuid, version=version)
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except ValueError:
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return False
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return str(uuid_obj) == testUuid
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def removeEventFromTimeline(eventId: str, tlEventsFilename: str) -> None:
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"""Removes the given event Id from the timeline
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"""
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if eventId + '\n' not in open(tlEventsFilename).read():
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return
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with open(tlEventsFilename, 'r') as fp:
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eventsTimeline = fp.read().replace(eventId + '\n', '')
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try:
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with open(tlEventsFilename, 'w+') as fp2:
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fp2.write(eventsTimeline)
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except BaseException:
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print('ERROR: unable to save events timeline')
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pass
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def saveEventPost(baseDir: str, handle: str, postId: str,
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eventJson: {}) -> bool:
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"""Saves an event to the calendar and/or the events timeline
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If an event has extra fields, as per Mobilizon,
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Then it is saved as a separate entity and added to the
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events timeline
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See https://framagit.org/framasoft/mobilizon/-/blob/
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master/lib/federation/activity_stream/converter/event.ex
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"""
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calendarPath = baseDir + '/accounts/' + handle + '/calendar'
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if not os.path.isdir(calendarPath):
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os.mkdir(calendarPath)
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# get the year, month and day from the event
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eventTime = datetime.strptime(eventJson['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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eventYear = int(eventTime.strftime("%Y"))
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if eventYear < 2020 or eventYear >= 2100:
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return False
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eventMonthNumber = int(eventTime.strftime("%m"))
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if eventMonthNumber < 1 or eventMonthNumber > 12:
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return False
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eventDayOfMonth = int(eventTime.strftime("%d"))
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if eventDayOfMonth < 1 or eventDayOfMonth > 31:
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return False
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if eventJson.get('name') and eventJson.get('actor') and \
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eventJson.get('uuid') and eventJson.get('content'):
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if not validUuid(eventJson['uuid']):
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return False
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print('Mobilizon type event')
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# if this is a full description of an event then save it
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# as a separate json file
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eventsPath = baseDir + '/accounts/' + handle + '/events'
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if not os.path.isdir(eventsPath):
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os.mkdir(eventsPath)
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eventsYearPath = \
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baseDir + '/accounts/' + handle + '/events/' + str(eventYear)
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if not os.path.isdir(eventsYearPath):
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os.mkdir(eventsYearPath)
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eventId = str(eventYear) + '-' + eventTime.strftime("%m") + '-' + \
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eventTime.strftime("%d") + '_' + eventJson['uuid']
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eventFilename = eventsYearPath + '/' + eventId + '.json'
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saveJson(eventJson, eventFilename)
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# save to the events timeline
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tlEventsFilename = baseDir + '/accounts/' + handle + '/events.txt'
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if os.path.isfile(tlEventsFilename):
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removeEventFromTimeline(eventId, tlEventsFilename)
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try:
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with open(tlEventsFilename, 'r+') as tlEventsFile:
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content = tlEventsFile.read()
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tlEventsFile.seek(0, 0)
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tlEventsFile.write(eventId + '\n' + content)
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except Exception as e:
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print('WARN: Failed to write entry to events file ' +
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tlEventsFilename + ' ' + str(e))
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return False
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else:
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tlEventsFile = open(tlEventsFilename, 'w+')
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tlEventsFile.write(eventId + '\n')
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tlEventsFile.close()
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# create a directory for the calendar year
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if not os.path.isdir(calendarPath + '/' + str(eventYear)):
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os.mkdir(calendarPath + '/' + str(eventYear))
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# calendar month file containing event post Ids
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calendarFilename = calendarPath + '/' + str(eventYear) + \
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'/' + str(eventMonthNumber) + '.txt'
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# Does this event post already exist within the calendar month?
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if os.path.isfile(calendarFilename):
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if postId in open(calendarFilename).read():
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# Event post already exists
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return False
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# append the post Id to the file for the calendar month
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calendarFile = open(calendarFilename, 'a+')
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if not calendarFile:
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return False
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calendarFile.write(postId + '\n')
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calendarFile.close()
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# create a file which will trigger a notification that
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# a new event has been added
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calendarNotificationFilename = \
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baseDir + '/accounts/' + handle + '/.newCalendar'
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calendarNotificationFile = \
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open(calendarNotificationFilename, 'w+')
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if not calendarNotificationFile:
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return False
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calendarNotificationFile.write('/calendar?year=' +
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str(eventYear) +
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'?month=' +
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str(eventMonthNumber) +
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'?day=' +
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str(eventDayOfMonth))
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calendarNotificationFile.close()
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return True
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def isHappeningEvent(tag: {}) -> bool:
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"""Is this tag an Event or Place ActivityStreams type?
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"""
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if not tag.get('type'):
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return False
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if tag['type'] != 'Event' and tag['type'] != 'Place':
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return False
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return True
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def isHappeningPost(postJsonObject: {}) -> bool:
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"""Is this a post with tags?
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"""
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if not postJsonObject:
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return False
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if not postJsonObject.get('object'):
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return False
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if not isinstance(postJsonObject['object'], dict):
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return False
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if not postJsonObject['object'].get('tag'):
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return False
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return True
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def getTodaysEvents(baseDir: str, nickname: str, domain: str,
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currYear=None, currMonthNumber=None,
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currDayOfMonth=None) -> {}:
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"""Retrieves calendar events for today
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Returns a dictionary of lists containing Event and Place activities
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"""
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now = datetime.now()
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if not currYear:
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year = now.year
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else:
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year = currYear
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if not currMonthNumber:
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monthNumber = now.month
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else:
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monthNumber = currMonthNumber
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if not currDayOfMonth:
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dayNumber = now.day
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else:
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dayNumber = currDayOfMonth
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calendarFilename = \
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baseDir + '/accounts/' + nickname + '@' + domain + \
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'/calendar/' + str(year) + '/' + str(monthNumber) + '.txt'
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events = {}
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if not os.path.isfile(calendarFilename):
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return events
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calendarPostIds = []
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recreateEventsFile = False
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with open(calendarFilename, 'r') as eventsFile:
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for postId in eventsFile:
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postId = postId.replace('\n', '').replace('\r', '')
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postFilename = locatePost(baseDir, nickname, domain, postId)
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if not postFilename:
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recreateEventsFile = True
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continue
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postJsonObject = loadJson(postFilename)
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if not isHappeningPost(postJsonObject):
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continue
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postEvent = []
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dayOfMonth = None
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for tag in postJsonObject['object']['tag']:
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if not isHappeningEvent(tag):
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continue
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# this tag is an event or a place
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if tag['type'] == 'Event':
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# tag is an event
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if not tag.get('startTime'):
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continue
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eventTime = \
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datetime.strptime(tag['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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if int(eventTime.strftime("%Y")) == year and \
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int(eventTime.strftime("%m")) == monthNumber and \
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int(eventTime.strftime("%d")) == dayNumber:
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dayOfMonth = str(int(eventTime.strftime("%d")))
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if '#statuses#' in postId:
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# link to the id so that the event can be
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# easily deleted
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tag['postId'] = postId.split('#statuses#')[1]
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postEvent.append(tag)
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else:
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# tag is a place
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postEvent.append(tag)
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if postEvent and dayOfMonth:
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calendarPostIds.append(postId)
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if not events.get(dayOfMonth):
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events[dayOfMonth] = []
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events[dayOfMonth].append(postEvent)
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# if some posts have been deleted then regenerate the calendar file
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if recreateEventsFile:
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calendarFile = open(calendarFilename, "w")
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for postId in calendarPostIds:
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calendarFile.write(postId + '\n')
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calendarFile.close()
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return events
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def todaysEventsCheck(baseDir: str, nickname: str, domain: str) -> bool:
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"""Are there calendar events today?
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"""
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now = datetime.now()
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year = now.year
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monthNumber = now.month
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dayNumber = now.day
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calendarFilename = \
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baseDir + '/accounts/' + nickname + '@' + domain + \
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'/calendar/' + str(year) + '/' + str(monthNumber) + '.txt'
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if not os.path.isfile(calendarFilename):
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return False
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eventsExist = False
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with open(calendarFilename, 'r') as eventsFile:
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for postId in eventsFile:
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postId = postId.replace('\n', '').replace('\r', '')
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postFilename = locatePost(baseDir, nickname, domain, postId)
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if not postFilename:
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continue
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postJsonObject = loadJson(postFilename)
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if not isHappeningPost(postJsonObject):
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continue
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for tag in postJsonObject['object']['tag']:
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if not isHappeningEvent(tag):
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continue
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# this tag is an event or a place
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if tag['type'] != 'Event':
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continue
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# tag is an event
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if not tag.get('startTime'):
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continue
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eventTime = \
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datetime.strptime(tag['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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if int(eventTime.strftime("%Y")) == year and \
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int(eventTime.strftime("%m")) == monthNumber and \
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int(eventTime.strftime("%d")) == dayNumber:
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eventsExist = True
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break
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return eventsExist
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def thisWeeksEventsCheck(baseDir: str, nickname: str, domain: str) -> bool:
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"""Are there calendar events this week?
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"""
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now = datetime.now()
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year = now.year
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monthNumber = now.month
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dayNumber = now.day
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calendarFilename = \
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baseDir + '/accounts/' + nickname + '@' + domain + \
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'/calendar/' + str(year) + '/' + str(monthNumber) + '.txt'
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if not os.path.isfile(calendarFilename):
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return False
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eventsExist = False
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with open(calendarFilename, 'r') as eventsFile:
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for postId in eventsFile:
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postId = postId.replace('\n', '').replace('\r', '')
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postFilename = locatePost(baseDir, nickname, domain, postId)
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if not postFilename:
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continue
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postJsonObject = loadJson(postFilename)
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if not isHappeningPost(postJsonObject):
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continue
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for tag in postJsonObject['object']['tag']:
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if not isHappeningEvent(tag):
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continue
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# this tag is an event or a place
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if tag['type'] != 'Event':
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continue
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# tag is an event
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if not tag.get('startTime'):
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continue
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eventTime = \
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datetime.strptime(tag['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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if (int(eventTime.strftime("%Y")) == year and
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int(eventTime.strftime("%m")) == monthNumber and
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(int(eventTime.strftime("%d")) > dayNumber and
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int(eventTime.strftime("%d")) <= dayNumber + 6)):
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eventsExist = True
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break
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return eventsExist
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def getThisWeeksEvents(baseDir: str, nickname: str, domain: str) -> {}:
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"""Retrieves calendar events for this week
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Returns a dictionary indexed by day number of lists containing
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Event and Place activities
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Note: currently not used but could be with a weekly calendar screen
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"""
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now = datetime.now()
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year = now.year
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monthNumber = now.month
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dayNumber = now.day
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calendarFilename = \
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baseDir + '/accounts/' + nickname + '@' + domain + \
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'/calendar/' + str(year) + '/' + str(monthNumber) + '.txt'
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events = {}
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if not os.path.isfile(calendarFilename):
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return events
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calendarPostIds = []
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recreateEventsFile = False
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with open(calendarFilename, 'r') as eventsFile:
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for postId in eventsFile:
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postId = postId.replace('\n', '').replace('\r', '')
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postFilename = locatePost(baseDir, nickname, domain, postId)
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if not postFilename:
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recreateEventsFile = True
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continue
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postJsonObject = loadJson(postFilename)
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if not isHappeningPost(postJsonObject):
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continue
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postEvent = []
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dayOfMonth = None
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weekDayIndex = None
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for tag in postJsonObject['object']['tag']:
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if not isHappeningEvent(tag):
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continue
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# this tag is an event or a place
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if tag['type'] == 'Event':
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# tag is an event
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if not tag.get('startTime'):
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continue
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eventTime = \
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datetime.strptime(tag['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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if (int(eventTime.strftime("%Y")) == year and
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int(eventTime.strftime("%m")) == monthNumber and
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(int(eventTime.strftime("%d")) >= dayNumber and
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int(eventTime.strftime("%d")) <= dayNumber + 6)):
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dayOfMonth = str(int(eventTime.strftime("%d")))
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weekDayIndex = dayOfMonth - dayNumber
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postEvent.append(tag)
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else:
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# tag is a place
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postEvent.append(tag)
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if postEvent and weekDayIndex:
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calendarPostIds.append(postId)
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if not events.get(dayOfMonth):
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events[weekDayIndex] = []
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events[dayOfMonth].append(postEvent)
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# if some posts have been deleted then regenerate the calendar file
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if recreateEventsFile:
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calendarFile = open(calendarFilename, "w")
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for postId in calendarPostIds:
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calendarFile.write(postId + '\n')
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calendarFile.close()
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lastDayOfMonth = daysInMonth(year, monthNumber)
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if dayNumber+6 > lastDayOfMonth:
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monthNumber += 1
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if monthNumber > 12:
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monthNumber = 1
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year += 1
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for d in range(1, dayNumber + 6 - lastDayOfMonth):
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dailyEvents = \
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getTodaysEvents(baseDir, nickname, domain,
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year, monthNumber, d)
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if dailyEvents:
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if dailyEvents.get(d):
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newEvents = {}
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newEvents[d + (7 - (dayNumber + 6 - lastDayOfMonth))] = \
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dailyEvents[d]
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events = mergeDicts(events, newEvents)
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return events
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def getCalendarEvents(baseDir: str, nickname: str, domain: str,
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year: int, monthNumber: int) -> {}:
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"""Retrieves calendar events
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Returns a dictionary indexed by day number of lists containing
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Event and Place activities
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"""
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calendarFilename = \
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baseDir + '/accounts/' + nickname + '@' + domain + \
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'/calendar/' + str(year) + '/' + str(monthNumber) + '.txt'
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events = {}
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if not os.path.isfile(calendarFilename):
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return events
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calendarPostIds = []
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recreateEventsFile = False
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with open(calendarFilename, 'r') as eventsFile:
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for postId in eventsFile:
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postId = postId.replace('\n', '').replace('\r', '')
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postFilename = locatePost(baseDir, nickname, domain, postId)
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if not postFilename:
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recreateEventsFile = True
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continue
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postJsonObject = loadJson(postFilename)
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if not isHappeningPost(postJsonObject):
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continue
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postEvent = []
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dayOfMonth = None
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for tag in postJsonObject['object']['tag']:
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if not isHappeningEvent(tag):
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continue
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# this tag is an event or a place
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if tag['type'] == 'Event':
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# tag is an event
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if not tag.get('startTime'):
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continue
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eventTime = \
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datetime.strptime(tag['startTime'],
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"%Y-%m-%dT%H:%M:%S%z")
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if int(eventTime.strftime("%Y")) == year and \
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int(eventTime.strftime("%m")) == monthNumber:
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dayOfMonth = str(int(eventTime.strftime("%d")))
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postEvent.append(tag)
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else:
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# tag is a place
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postEvent.append(tag)
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if postEvent and dayOfMonth:
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calendarPostIds.append(postId)
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if not events.get(dayOfMonth):
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events[dayOfMonth] = []
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events[dayOfMonth].append(postEvent)
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# if some posts have been deleted then regenerate the calendar file
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if recreateEventsFile:
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calendarFile = open(calendarFilename, "w")
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for postId in calendarPostIds:
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calendarFile.write(postId + '\n')
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calendarFile.close()
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return events
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def removeCalendarEvent(baseDir: str, nickname: str, domain: str,
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year: int, monthNumber: int, messageId: str) -> None:
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"""Removes a calendar event
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"""
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calendarFilename = \
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baseDir + '/accounts/' + nickname + '@' + domain + \
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'/calendar/' + str(year) + '/' + str(monthNumber) + '.txt'
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if not os.path.isfile(calendarFilename):
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return
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if '/' in messageId:
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messageId = messageId.replace('/', '#')
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if messageId not in open(calendarFilename).read():
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return
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lines = None
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with open(calendarFilename, "r") as f:
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lines = f.readlines()
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if not lines:
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return
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with open(calendarFilename, "w+") as f:
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for line in lines:
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if messageId not in line:
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f.write(line)
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