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vertretungsplan.py
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vertretungsplan.py
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# coding: utf-8
import datetime
import json
import time
from typing import *
import logging
import requests
from bs4 import BeautifulSoup as bs
import dsbapi
logger = logging.getLogger()
wday = {'Mo': 0,
'Di': 1,
'Mi': 2,
'Do': 3,
'Fr': 4,
'Sa': 5,
'So': 6}
wtype = {'A': 0,
'a': 0,
'B': 1,
'b': 1}
class Vertretung:
def __init__(self,
class_name: str,
period: str,
subject: str,
orig_subject: str,
room: str,
orig_room: str,
repl_from: str,
repl_type: str,
desc: str,
week_day: str,
week_type: str):
self.class_name = class_name
self.period = period
self.subject = subject
self.orig_subject = orig_subject
self.room = room
self.orig_room = orig_room
self.repl_from = repl_from
self.repl_type = repl_type
self.desc = desc
self.week_day = week_day
self.week_type = week_type
def from_list(self, from_list: List):
self.__init__(from_list[1],
from_list[2],
from_list[3],
from_list[4],
from_list[5],
from_list[6],
from_list[7],
from_list[8],
from_list[9],
from_list[10])
return self
def __repr__(self):
description = ', '.join([x + "='" + self.__getattribute__(x) + "'"
for x in self.__dir__()
if not x.startswith("__")
and self.__getattribute__(x)
and "__call__" not in self.__getattribute__(x).__dir__()])
return f"<{str(type(self)).strip('<>')}: {description}>"
def __eq__(self, other):
if type(other) == Vertretung:
s_dict = {x: self.__dict__[x] for x in self.__dir__()}
o_dict = {x: other.__dict__[x] for x in other.__dir__()}
return s_dict == o_dict
def __getitem__(self, item):
if not item.startswith("__"):
return self.__getattribute__(item)
def __str__(self):
class_name = ""\
+ f"Klasse {self.class_name}" * bool(self.class_name)
period = ""\
+ f"{self.period}. Stunde" * bool(self.period)
subject = ""\
+ f"{self.subject}" \
+ f" statt {self.orig_subject}" * bool(self.orig_subject)
room = ""\
+ f"in {self.room or '<kein Raum>'}"\
+ f" statt {self.orig_room}" * bool(self.orig_room)
week_day = f" am {self.week_day}" * bool(self.week_day)
return " ".join([class_name,
period,
subject,
room,
week_day]).replace(" ", " ")
class Lesson(Vertretung):
def __init__(self,
class_name: str,
subject: Optional[str] = None,
room: Optional[str] = None,
period: Optional[str] = None,
week_day: Optional[str] = None,
week_type: Optional[str] = None):
self.class_name = class_name
self.orig_subject = subject
self.orig_room = room
self.period = period
self.week_day = week_day
self.week_type = week_type
def from_list(self, from_list: List):
self.__init__(class_name=from_list[0],
subject=from_list[1],
room=from_list[2],
period=from_list[3],
week_day=from_list[4],
week_type=from_list[5])
return self
def __eq__(self, other):
if type(other) == Vertretung:
f = []
for x in self.__dir__():
if not x.startswith("__") and x != "from_list":
a = self.__getattribute__(x)
b = other.__getattribute__(x)
r = a == b
f.append(r)
# print(f"\n{self} {'=' if not False in f else '!'}=\n{other}")
return False not in f
class Vertretungsplanliste:
vertretungen: List[Vertretung]
def __init__(self, vertretungen: List[Vertretung]):
self.vertretungen = vertretungen
def __iter__(self):
for a in self.vertretungen:
yield a
def __contains__(self, item):
return item in self.vertretungen
def __getitem__(self, item):
return self.vertretungen[item]
def __repr__(self):
description = ', '.join([v.__repr__() for v in self.vertretungen]) or str(None)
return f"<{type(self)}: [{description}]>"
def vertretungsplan(username: Optional[str] = None,
password: Optional[str] = None,
doc: Optional[str] = None,
save=True,
location="../Vertretungsplangak_Data/"):
if not doc:
doc = get_doc(username, password)
entries = []
body = doc.find_all('body')[1]
for center in [c for c in body.find_all('center') if len(c.find_all('table')) >= 1]:
weekday = center.find_all('div')[0].text.split(" ")[1].rstrip(",")
weektype = center.find_all('div')[0].text.split(", Woche ")[-1].split(" ")[0]
table = center.find_all('table')[-1]
if table:
for tr in table.find_all('tr')[1:]:
entry = []
for td in tr.find_all('td'):
entry.append(td.text.replace("\xa0", "").replace("---", ""))
for period in entry[1].split(" - "):
for each_class in entry[0].split(", "):
repl = Vertretung(class_name=each_class,
period=period,
subject=entry[2],
orig_subject=entry[3],
room=entry[4],
orig_room=entry[5],
repl_from=entry[6],
repl_type=entry[7],
desc=entry[8],
week_day=weekday,
week_type=weektype)
entries.append(repl)
return Vertretungsplanliste(entries)
def get_doc(username: str = None,
password: str = None,
url: str = None):
if not url:
url = get_url(username, password)
assert url, "No URL given."
doc = bs(requests.get(url).text, "html.parser")
try:
assert "Untis" in doc.text, "\"Untis\" not in doc.text"
assert "Stand: " in doc.text, "\"Stand: \" not in doc.text"
except AssertionError as e:
print(f"Content is not correct: {doc.text} <- End of content.")
raise e
return doc
# Parameter `tries` says how often to try requesting each API
def get_url(username, password, tries=5, data_location="../Vertretungsplangak_Data/"):
for i in range(tries):
try:
index = dsbapi.fetch_index(logger,
username=username,
password=password)
# Iterate through the three content tabs and find the plan-tab
for tab in index["ResultMenuItems"][0]["Childs"]:
if tab["Title"] == "Pl\u00e4ne":
table_url = tab["Root"]["Childs"][0]["Childs"][0]["Detail"]
return table_url
raise Exception("Couldn't find relevant data in index")
except Exception as e:
logger.exception(e)
# If we arrive at this point, the API's don't work.
# Try the emergency-url as a last resort
general_information = json.load(open(data_location + "general_information.json"))
if "emergency_url" in general_information:
return general_information["emergency_url"]
else:
raise Exception(f"No login method worked properly after {tries} tries")
def get_news(username: Optional[str] = None,
password: Optional[str] = None,
doc: Optional = None):
if not doc:
doc = get_doc(username, password)
information = []
for a in doc.find_all('td'):
try:
if "info" in a.attrs['class']:
info = [a.parent.parent.parent.find_all()[0].text.split(" ")[0], a.text]
if not info[1] in [b[1] for b in information]:
information.append(info)
except KeyError:
pass
return information
def get_relevant(kursliste: list,
username: Optional[str] = None,
password: Optional[str] = None,
vertretungs_plan: Optional[Vertretungsplanliste] = None) -> list:
assert kursliste, "Keine Kursliste verfuegbar oder Kursliste leer"
assert (username and password) or vertretungs_plan, "Neither login credentials nor vertretungsplan available."
if not vertretungs_plan:
vertretungs_plan = vertretungsplan(username, password)
relevante_eintraege = []
for kurs in kursliste:
for repl in vertretungs_plan:
if kurs == repl:
relevante_eintraege.append(repl)
return relevante_eintraege
def main():
try:
# get the password
doc = bs(requests.get("http://www.gak-buchholz.de/unterricht/vertretungsplan/").text, "html.parser")
username = [a.text.split(" ")[-1] for a in doc.find_all('strong') if "Benutzername: " in a.text][0]
password = [a.text.split(" ")[-1] for a in doc.find_all('strong') if "Passwort: " in a.text][0]
url = get_url(username=username,
password=password)
doc = get_doc(url=url)
print(
"Der Autor dieser Software uebernimmt keine Garantie fuer ihr richtiges Verhalten. Es bestehen keine Ansprueche auf Behebung eventueller Fehler oder sonstige Dienstleistungen. Der Autor uebernimmt keine Haftung fuer den Inhalt der dargestellten Informationen.")
for a in get_news(doc=doc):
print(a[0] + ": " + a[1])
try:
kursliste = []
vertretungen = vertretungsplan(doc=doc)
for eintrag in get_relevant(kursliste=kursliste,
vertretungs_plan=vertretungen):
# 0: Klasse
# 1: Stunde
# 2: Fach
# 3: eig. Fach
# 4: Raum
# 5: eig. Raum
# 6: Vertr. von
# 7: Art
# 8: Text
# 9: Datum
# 10: uebereinstimmungslevel
print(str([a for a in wday if wday[a] == time.gmtime(
datetime.datetime.strptime(eintrag[9], '%d.%m.%Y').timestamp() - time.altzone).tm_wday][
0].capitalize()) + " " + eintrag[9] + " " + eintrag[1] + ": " + eintrag[0] + " " +
eintrag[3] + " " + eintrag[5] + " --> "
+ eintrag[7] + " " + eintrag[2]
+ " in Raum " * bool(len(eintrag[4])) + eintrag[4]
+ ". Beschreibung: " * bool(len(eintrag[8])) + eintrag[8]
+ ". Vertretung von " * bool(len(eintrag[6])) + eintrag[6])
print(f"{len(kursliste)} Kurse wurden ueberprueft.")
except FileNotFoundError:
print("Es liegt keine Kursliste vor.")
print("\nDie Informationen sollten auf " + url + " ueberprueft werden!")
except requests.exceptions.ConnectionError:
print("Keine Verbindung moeglich. Bitte ueberpruefe deine Internetverbindung.")
input("Press Enter to continue...")
if __name__ == "__main__":
main()