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generateICS.py
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generateICS.py
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#!/usr/bin/env python3
# -*- coding:utf-8 -*-
"""
generateICS 生成及导出.ics日历文件
@Author: MiaoTony, Triple-Z(原作者)
"""
from icalendar import Calendar, Event
from datetime import datetime, timedelta
from pytz import timezone
# import tempfile
from hashlib import md5
import os
# from sys import getsizeof
def create_ics(lessons, semester_start_date):
"""
生成课表的ical
:param lessons: {list} Lesson类组成的列表
:param semester_start_date: {datatime}学期开始日期
:return: cal {Calendar}
"""
cal = Calendar()
cal.add('prodid', '-//miaotony//NUAA_ClassSchedule//CN')
cal.add('version', '2.0')
cal.add('X-WR-TIMEZONE', 'Asia/Shanghai')
for lesson in lessons:
for week in lesson.vaildWeeks:
event = Event()
event.add('summary', lesson.courseName)
# 错峰时间批次对应的教学楼
batch1_jjl = ('1', '6', '7', 'D2') # 将军路校区
batch1_mgg = ('18',) # 明故宫校区
batch2_jjl = ('2', '4', '5', 'D1', 'D3')
batch2_mgg = ('7', '13')
batch1_tmh = ('T11', 'T12', 'T13')
batch2_tmh = ('T14', 'T15')
# Lesson start time
# 潜在bug: roomName为空的情况默认为将军路明故宫的时间表
if '天目湖' in lesson.roomName:
if lesson.roomName.startswith(batch1_tmh):
course_order = {
'1': "08:30",
'2': "09:25",
'3': "10:25",
'4': "11:20",
'5': "14:00",
'6': "14:55",
'7': "16:00",
'8': "16:55",
'9': "18:45",
'10': "19:40",
'11': "20:35",
}
end_time = {
'1': "09:20",
'2': "10:15",
'3': "11:15",
'4': "12:10",
'5': "14:50",
'6': "15:45",
'7': "16:50",
'8': "17:45",
'9': "19:35",
'10': "20:30",
'11': "21:25",
}
elif lesson.roomName.startswith(batch2_tmh):
course_order = {
'1': "08:30",
'2': "09:25",
'3': "10:40",
'4': "11:35",
'5': "14:00",
'6': "14:55",
'7': "16:00",
'8': "16:55",
'9': "18:45",
'10': "19:40",
'11': "20:35",
}
end_time = {
'1': "09:20",
'2': "10:15",
'3': "11:30",
'4': "12:25",
'5': "14:50",
'6': "15:45",
'7': "16:50",
'8': "17:45",
'9': "19:35",
'10': "20:30",
'11': "21:25",
}
else:
course_order = {
'1': "08:30",
'2': "09:25",
'3': "10:30",
'4': "11:25",
'5': "14:00",
'6': "14:55",
'7': "16:00",
'8': "16:55",
'9': "18:45",
'10': "19:40",
'11': "20:35",
}
end_time = {
'1': "09:20",
'2': "10:15",
'3': "11:20",
'4': "12:15",
'5': "14:50",
'6': "15:45",
'7': "16:50",
'8': "17:45",
'9': "19:35",
'10': "20:30",
'11': "21:25",
}
elif ('明故宫' in lesson.roomName and lesson.roomName.startswith(batch1_mgg)) or \
('将军路' in lesson.roomName and lesson.roomName.startswith(batch1_jjl)):
# Batch 1
course_order = {
'1': "08:00",
'2': "08:55",
'3': "10:05",
'4': "11:00",
'5': "14:00",
'6': "14:55",
'7': "16:15",
'8': "17:10",
'9': "18:45",
'10': "19:40",
'11': "20:35",
}
end_time = {
'1': "08:50",
'2': "09:45",
'3': "10:55",
'4': "11:50",
'5': "14:50",
'6': "15:45",
'7': "17:05",
'8': "18:00",
'9': "19:35",
'10': "20:30",
'11': "21:25",
}
elif ('明故宫' in lesson.roomName and lesson.roomName.startswith(batch2_mgg)) or \
('将军路' in lesson.roomName and lesson.roomName.startswith(batch2_jjl)):
# Batch 2
course_order = {
'1': "08:00",
'2': "08:55",
'3': "10:25",
'4': "11:20",
'5': "14:00",
'6': "14:55",
'7': "16:15",
'8': "17:10",
'9': "18:45",
'10': "19:40",
'11': "20:35",
}
end_time = {
'1': "8:50",
'2': "9:45",
'3': "11:15",
'4': "12:10",
'5': "14:50",
'6': "15:45",
'7': "17:05",
'8': "18:00",
'9': "19:35",
'10': "20:30",
'11': "21:25",
}
else:
course_order = {
'1': "08:00",
'2': "08:55",
'3': "10:15",
'4': "11:10",
'5': "14:00",
'6': "14:55",
'7': "16:15",
'8': "17:10",
'9': "18:45",
'10': "19:40",
'11': "20:35",
}
end_time = {
'1': "08:50",
'2': "09:45",
'3': "11:05",
'4': "12:00",
'5': "14:50",
'6': "15:45",
'7': "17:05",
'8': "18:00",
'9': "19:35",
'10': "20:30",
'11': "21:25",
}
lesson_start = course_order[lesson.course_unit[0]].split(":")
lesson_start_hour = int(lesson_start[0])
lesson_start_minute = int(lesson_start[1])
lesson_start_time = semester_start_date + \
timedelta(weeks=week - 1, days=int(lesson.day_of_week) - 1,
hours=lesson_start_hour - semester_start_date.hour,
minutes=lesson_start_minute - semester_start_date.minute,
seconds=-semester_start_date.second,
milliseconds=-semester_start_date.microsecond)
elapsed_time = datetime.strptime(end_time[lesson.course_unit[len(lesson.course_unit) - 1]], "%H:%M") - \
datetime.strptime(course_order[lesson.course_unit[0]], "%H:%M")
lesson_end_time = lesson_start_time + \
timedelta(minutes=(elapsed_time / 60).seconds)
event.add('dtstart', lesson_start_time)
event.add('dtend', lesson_end_time)
# event.add('dtstamp', datetime.now(tz=timezone('Asia/Shanghai')))
event.add('location', lesson.roomName)
try:
event.add('description', lesson.output_description(week=week))
except UnicodeDecodeError:
raise Exception("ERROR!") # 放弃python2.x了
cal.add_component(event)
return cal
def create_exam_ics(cal, exams):
"""
生成考试安排的iCal
:param cal: 加入了课表后的cal
:param exams: {list}考试安排Exam类组成的列表
:return: cal {Calendar}
"""
for exam in exams:
if isinstance(exam.examDate, list): # 如果时间未确定, 不导出
event = Event()
event.add('summary', exam.courseName + '_' + exam.examType)
# exam start time
examStartTime = datetime(exam.examDate[0], exam.examDate[1], exam.examDate[2], exam.examTime[0],
exam.examTime[1], 0,
tzinfo=timezone('Asia/Shanghai')) # examTime[0]、examTime[1] 起始时间
examEndTime = datetime(exam.examDate[0], exam.examDate[1], exam.examDate[2], exam.examTime[2],
exam.examTime[3], 0,
tzinfo=timezone('Asia/Shanghai')) # examTime[2]、examTime[3] 终止时间
event.add('dtstart', examStartTime)
event.add('dtend', examEndTime)
event.add('location', exam.examLocation)
event.add('description', exam.description)
cal.add_component(event)
return cal
def create_weeknum_ics(cal, semester_start_date):
"""
给ical生成周数事件（持续一周的`第x周`事件）
:param cal: 加入了课表后的cal
:param semester_start_date: {datatime}学期开始日期):
:return: cal {Calendar}
"""
for week_num in range(1, 21):
# 20 weeks
event = Event()
event.add('summary', '第 ' + str(week_num) + ' 周')
weekStartTime = semester_start_date + \
timedelta(weeks=week_num - 1, days=0, hours=0,
minutes=0, seconds=0, milliseconds=0)
weekEndTime = semester_start_date + \
timedelta(weeks=week_num - 1, days=7, hours=0,
minutes=0, seconds=0, milliseconds=0)
event.add('dtstart', weekStartTime)
event.add('dtend', weekEndTime)
event.add('location', 'NUAA')
event.add('description', '第 ' + str(week_num) + ' 周')
cal.add_component(event)
return cal
def export_ics(cal, semester_year, semester, stuID):
filename = 'NUAAiCal-Data/Schedule_' + stuID + \
'_' + semester_year + '-' + semester + '.ics'
if os.path.exists('NUAAiCal-Data'):
# print('Directory exists.')
if os.path.isfile(filename):
# File exists, check whether need to be updated.
tem = open('.temp', 'w+b')
tem_path = os.path.abspath(tem.name)
tem.write(cal.to_ical())
tem_filename = tem.name
tem.read() # fix a py2.7 bug...
tem.close()
# print(getsizeof(tem.read()))
is_update = not is_same(tem_path, filename)
# print("Temp file name is %s, in %s" % (tem_filename, os.path.abspath(tem_filename)))
os.remove(tem_path)
if is_update:
print('有更新的信息！')
f = open(os.path.join(filename), 'wb')
f.write(cal.to_ical())
f.close()
print("更新的日历文件已导出到 \"" + os.path.abspath(filename) + "\"。")
else:
print('没有需要更新的信息！')
print("原有的日历文件位置为 \"" + os.path.abspath(filename) + "\"。")
else:
f = open(os.path.join(filename), 'wb')
f.write(cal.to_ical())
f.close()
print("日历文件已导出到 \"" + os.path.abspath(filename) + "\"。")
else:
os.mkdir('NUAAiCal-Data')
f = open(os.path.join(filename), 'wb')
f.write(cal.to_ical())
f.close()
# print('ICS file has successfully exported to \"' + filename + '\".')
print("日历文件已导出到 \"" + os.path.abspath(filename) + "\"。")
return True
def is_same(file1, file2):
hash1 = md5()
with open(file1, 'rb') as f1:
f1_data = f1.read()
# print(getsizeof(f1_data))
hash1.update(f1_data)
md5_1 = hash1.hexdigest()
# print(f1_data)
# print(file1.name)
# print(md5_1)
hash2 = md5()
with open(file2, 'rb') as f2:
f2_data = f2.read()
# print(getsizeof(f2_data))
hash2.update(f2_data)
md5_2 = hash2.hexdigest()
# print(f2_data)
# print(f2.name)
# print(md5_2)
# print(f1_data == f2_data)
if md5_1 == md5_2:
return True
else:
return False