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131 lines
3.2 KiB
Python
131 lines
3.2 KiB
Python
#!/usr/bin/env python3
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import requests
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from matplotlib import pyplot as plt
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import xml.etree.ElementTree as ET
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from dataclasses import dataclass
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from datetime import datetime
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from io import StringIO
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from time import sleep
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# In order of what we know:
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class VisuWindow:
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def __enter__(self):
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plt.close()
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plt.clf()
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def __exit__(self, _et, _ev, _tb):
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plt.show(block=False)
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# Alternative: plot to file
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class VisuFile:
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def __init__(self, filename):
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self.filename = filename
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def __enter__(self):
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plt.clf()
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def __exit__(self, _et, _ev, _tb):
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plt.savefig(self.filename, format='pdf')
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class VisuInter:
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def __init__(self):
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plt.ion()
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def __enter__(self):
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plt.clf()
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def __exit__(self, _et, _ev, _tb):
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plt.show(block=False)
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def get_xml():
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URL=r'https://www.volby.cz/pls/prez2018/vysledky'
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response = requests.get(URL)
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return StringIO(response.content.decode())
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@dataclass
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class Vysledek:
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kandidati: dict[str, int]
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timestamp: datetime
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ucast: dict
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def get_results() -> Vysledek:
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NS = r'{http://www.volby.cz/prezident/}' # fuck you xml
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xml = get_xml()
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root = ET.parse(xml).getroot()
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kandidati = {}
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timestamp = datetime.fromisoformat(root.attrib[r'DATUM_CAS_GENEROVANI'])
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for kandidat in root.findall(rf'./{NS}CR/{NS}KANDIDAT'):
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ka = kandidat.attrib
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jmeno = f'{ka[r"JMENO"]} {ka[r"PRIJMENI"]}'
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hlasy = int(ka.get(r'HLASY_2KOLO', 0))
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kandidati[jmeno] = hlasy
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for ucast in root.findall(rf'./{NS}CR/{NS}UCAST'):
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if ucast.attrib[r'KOLO'] == '2':
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fucast = ucast.attrib
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return Vysledek(kandidati=kandidati, timestamp=timestamp, ucast=fucast)
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def fill_data(vysl) -> tuple[datetime, dict[str, int]]:
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"""Dopočítá ve výsledku zbytek dat."""
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VOLICU_CELKEM = 8_362_987
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vysl.kandidati[r'NEPLATNÉ'] = int(vysl.ucast[r'ODEVZDANE_OBALKY']) - int(vysl.ucast[r'PLATNE_HLASY'])
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vysl.kandidati[r'NEZAPOČÍTANÉ'] = max(0, VOLICU_CELKEM - int(vysl.ucast[r'ZAPSANI_VOLICI']))
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vysl.kandidati[r'NEVOLILI'] = int(vysl.ucast[r'ZAPSANI_VOLICI']) - int(vysl.ucast[r'ODEVZDANE_OBALKY'])
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# Na ztracené obálky (rozdíl vydaných obálek a odevzdaných) kašleme, to by mělo být velmi zanedbatelné číslo
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return vysl.timestamp, vysl.kandidati
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def plot(ts, kand):
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with VisuInter():
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order = (
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'Jiří Drahoš',
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'Jiří Hynek',
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'Michal Horáček',
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'Miloš Zeman',
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'Marek Hilšer',
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'Pavel Fischer',
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'Mirek Topolánek',
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'Petr Hannig',
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'Vratislav Kulhánek',
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'NEPLATNÉ',
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'NEVOLILI',
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'NEZAPOČÍTANÉ',
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)
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x = [kand[i] for i in order]
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labels = order
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label = f'Data z {ts}'
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colors = {
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'Petr Pavel': '#627210',
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'Danuše Nerudová': '#811367',
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'Andrej Babiš': '#262161',
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'Jaroslav Bašta': '#B51119',
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'Marek Hilšer': '#CA834E',
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'Pavel Fischer': '#244C76',
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'Karel Diviš': '#3B6E5D',
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'Tomáš Zima': '#E5DE1A',
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'': '#FF22AA',
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'NEPLATNÉ': '#000000',
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'NEVOLILI': '#666666',
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'NEZAPOČÍTANÉ': '#CCCCCC',
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}
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plt.pie(x, labels=labels, colors=colors.values(), autopct='%d %%')
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plt.text(0, -1.2, label, ha='center')
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def visu_once():
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while True:
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try:
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v = get_results()
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break
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except OSError:
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print('fuu')
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sleep(1)
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continue
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ts, k = fill_data(v)
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plot(ts, k)
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def loop(refresh=30):
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while True:
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visu_once()
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plt.pause(refresh)
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loop()
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