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gen.py
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import locale
import os
from datetime import datetime, timedelta
from pprint import pprint
from typing import Dict
from urllib.request import urlopen
from xml.etree import ElementTree
from weasyprint import CSS, HTML
class UniqueByConference(object):
def __new__(cls, conference, attr, *args, **kwargs):
if getattr(cls,
'_instances',
None) is None:
cls._instances = {}
instance_id = (conference, attr)
if cls._instances.get(instance_id, None) is None:
cls._instances[instance_id] = super().__new__(cls)
if hasattr(cls._instances[instance_id], 'init'):
cls._instances[instance_id].init()
return cls._instances[instance_id]
def __init__(self, conference, attr):
self._conference = conference
class Conference(object):
def __init__(self, url):
self._url = url
self._days: Dict[datetime, Day] = {}
def __str__(self):
return self._title
@property
def _rooms(self):
rooms = {}
for day in self._days.values():
rooms.update(day._rooms.items())
return rooms
@property
def _events(self):
events = {}
for day in self._days.values():
events.update(day._events.items())
return events
@property
def _persons(self):
persons = {}
for day in self._days.values():
persons.update(day._persons.items())
return persons
def parse(self):
remote = urlopen(self._url)
tree = ElementTree.parse(remote)
root_element = tree.getroot()
for element in list(root_element):
if element.tag == 'conference':
for element_details in list(element):
if element_details.tag in ['title', 'venue', 'city', 'start_date', 'end_date', 'days_count']:
setattr(self,
f'_{element_details.tag}',
element_details.text)
elif element.tag == 'day':
date = datetime.strptime(element.get('date'), '%Y-%m-%d')
self._days[date] = Day(self, date)
self._days[date].parse(element)
else:
print('unknown element type')
class Day(UniqueByConference):
def __init__(self, conference: Conference, date: datetime):
super().__init__(conference, date)
self._date = date
def init(self):
self._rooms: Dict[str, Room] = {}
@property
def _persons(self):
persons = {}
for room in self._rooms.values():
for event in room._events.values():
persons.update(event._persons.items())
return persons
def parse(self, day_element):
for element in list(day_element):
if element.tag == 'room':
room_name = element.get('name')
self._rooms[room_name] = Room(
self._conference,
room_name,
self)
self._rooms[room_name].parse(element, self)
class Room(UniqueByConference):
def __init__(self, conference: Conference, name: str, day: Day):
super().__init__(conference, name)
self._name = name
self._days[day._date] = day
def init(self):
self._days: Dict[datetime, Day] = {}
self._events: Dict[str, Event] = {}
def __str__(self):
return self._name
def get_events_by_day(self, day):
events = {}
for event in self._events.values():
if event._day is day:
events[event._id] = event
return events
def get_sorted_list_by_day(self, day):
events = list(self.get_events_by_day(day).values())
events.sort(key=lambda e: e._start_datetime)
return events
def parse(self, room_element, day: Day):
for element in list(room_element):
if element.tag == 'event':
event_id = element.get('id')
self._events[event_id] = Event(
self._conference,
event_id,
day)
self._events[event_id].parse(element)
class Event(UniqueByConference):
def __init__(self, conference, event_id, day: Day):
super().__init__(conference, event_id)
self._id = event_id
self._day: Day = day
def init(self):
self._persons: Dict[str, Person] = {}
def _str__(self):
return self._title
@property
def title(self):
return self._title
@property
def _start_datetime(self):
date = self._day._date
hours, minutes = str(self._start).split(':')
return datetime(year=date.year,
month=date.month,
day=date.day,
hour=int(hours),
minute=int(minutes))
@property
def _end_datetime(self):
hours, minutes = str(self._duration).split(':')
return self._start_datetime + timedelta(hours=int(hours),
minutes=int(minutes))
@property
def persons(self):
names = [person._name for person in self._persons.values()]
if len(names) >= 3:
return '{} et {}'.format(', '.join(names[:-1]), names[-1])
elif len(names) == 2:
return '{} et {}'.format(*names)
return names[0]
def parse(self, event_element):
for element in list(event_element):
if element.tag == 'persons':
for person_element in list(element):
person_id = person_element.get('id')
self._persons[person_id] = Person(
self._conference,
person_id,
self)
self._persons[person_id].parse(person_element)
else:
setattr(self,
f'_{element.tag}',
element.text)
class Person(UniqueByConference):
def __init__(self, conference: Conference, person_id, event: Event):
super().__init__(conference, person_id)
self._id = person_id
if getattr(self,
'_events',
None) is None:
self._events = {}
self._events[event._id] = event
def __str__(self):
return self._name
def parse(self, person_element):
self._name = person_element.text
if __name__ == "__main__":
conference = Conference(
url='https://cfp.capitoledulibre.org/cdl-2023/schedule/export/schedule.xml')
conference.parse()
#locale.setlocale(locale.LC_ALL, 'fr_FR.utf8')
html_string = ''
for day in conference._days.values():
day_html = ''
for room in day._rooms.values():
events = room.get_sorted_list_by_day(day)
if len(events) == 0:
continue
# Pauses
if room._name == 'Foyer des Étudiants':
continue
p1 = Event(conference, 9000, day)
p1._room = Room(conference, room._name, day)
p1._title = 'Pause déjeuner'
p1._start = '12:30'
p1._duration = '01:30'
p1._persons = {}
p1._type = 'pause'
room._events[p1._id] = p1
if day._date.isoweekday() != 7:
p2 = Event(conference, 9001, day)
p2._room = Room(conference, room._name, day)
p2._title = 'Pause'
p2._start = '16:00'
p2._duration = '00:30'
p2._persons = {}
p2._type = 'pause'
room._events[p2._id] = p2
# Refresh list
events = room.get_sorted_list_by_day(day)
room_html = f'''
<div class="room">
<header>
<div class="conf_title"><!-- Capitole du Libre 2019 --></div>
<div class="day_title">{day._date:%A %d %B}</div>
<div class="room_title">Salle {room}</div>
</header>
<table>
<thead>
<th>Heure</th>
<th>Conférence</th>
</thead>
<tbody>
'''
for i, event in enumerate(events):
if i != 0 and \
events[i-1]._end_datetime != event._start_datetime:
room_html += f'''
<tr>
<td colspan="2"><!-- Pause --></td>
</tr>
'''
room_html += f'''
<tr class="event_row {event._type}">
<td class="event_date">
{event._start_datetime:%Hh%M}
à
{event._end_datetime:%Hh%M}
</td>
<td class="event_cell">
<div class="event_title">
{event.title}
</div>
'''
if len(event._persons.values()) > 0:
room_html += f'''
<div class="event_persons">
{event.persons}
</div>
'''
room_html += f'''
</td>
</tr>
'''
room_html += f'''
</tbody>
</table>
</div>
'''
day_html += room_html
html_string += f'<div class="day">{day_html}</div>'
html = HTML(string=html_string)
css = CSS(filename='style.css')
file_name = 'conference.pdf'
try:
os.remove(file_name)
except FileNotFoundError:
pass
html.write_pdf(file_name, stylesheets=[css])