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path: root/main.py
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#!./env/bin/python

import yaml, textwrap
from prettytable import PrettyTable
from datetime import datetime, timedelta

with open("infos.yaml", "r") as f:
    i=yaml.safe_load(f)

def parse_date(d):
    return datetime.strptime(d, "%d/%m/%Y")
def getmonday(d):
    return d - timedelta(days=d.weekday())
def getnextmonday(d):
    return getmonday(d)+timedelta(days=7)
def getnextdayn(d,n):
    return (d+timedelta(days=n))
def formatday(d):
    return d.strftime(i["output"]["date_format"])
def getweek(d):
    return d.isocalendar().week + i["output"]["week_drift"]
def getgloballectureslot(d):
    dname=d.strftime("%A").lower()
    if dname in i["semester"]["lectures"]["slots"].keys():
        start=datetime.strptime(i["semester"]["lectures"]["slots"][dname]["start"], "%I%p")
        end=datetime.strptime(i["semester"]["lectures"]["slots"][dname]["end"], "%I%p")
        (start,end)
    return None
def getassign(d):
    val=""
    for a in i["assignments"]:
        start=parse_date(i["assignments"][a]["start"])
        end=parse_date(i["assignments"][a]["end"])
        if d>=start and d<=end:
            if len(val)>0:
                val+="/"
            val+=str(a)
    return val
def getlecture(d):
    slot=getgloballectureslot(d)
    for l in i["lectures"]:
        date=parse_date(i["lectures"][l]["date"])
        if d==date:
            # Time
            startT, endT = (None, None)
            if "slot" in i["lectures"][l]:
                startT=datetime.strptime(i["lectures"][l]["slot"]["start"], "%I%p")
                endT=datetime.strptime(i["lectures"][l]["slot"]["end"], "%I%p")
            elif slot is not None:
                startT, endT=slot
            # Content
            text=textwrap.fill(i["lectures"][l]["name"],o["text_wrap"])
            if o["show_lecturers"]:
                text+="\n"+textwrap.fill("("+i["lectures"][l]["who"]+")",o["text_wrap"])
            if o["show_time"] and (startT,endT) != (None, None):
                timeT=textwrap.fill(startT.strftime(i["output"]["time_format"])+"-"+endT.strftime(i["output"]["time_format"]),o["text_wrap"])
                text=timeT+"\n"+text
            return text
    return ""
def getevents(d):
    val=""
    for e in i["events"]:
        date=parse_date(i["events"][e]["date"])
        if "hidden" in i["events"][e] and i["events"][e]["hidden"]:
            continue
        if d==date:
            if len(val)>0:
                val+=","
            val+=str(i["events"][e]["name"])
    return textwrap.fill(val,o["text_wrap"])
def add_row(t,row):
    if not o["defrag"] or any(len(x) > 0 for x in row[1:]):
        t.add_row(row,divider=True)
        return 1
    return 0

if not i["output"]["tables"]["calendar"]["hidden"]:
    sstart=parse_date(i["semester"]["start"])
    send=parse_date(i["semester"]["end"])
    d=sstart
    w=getweek(d)
    o=i["output"]["tables"]["calendar"]
    if o["semester_dates_as_events"]:
        i["events"]["sstart_098888986"]={} # Add random numbers to avoid clash with users entries
        i["events"]["sstart_098888986"]["name"]="Semester starts"
        i["events"]["sstart_098888986"]["date"]=i["semester"]["start"]
        i["events"]["send_098888986"]={}
        i["events"]["send_098888986"]["name"]="Semester ends"
        i["events"]["send_098888986"]["date"]=i["semester"]["end"]
    while d <= send:
        t = PrettyTable(min_width=o["min_col_width"])
        week=o["labels"]["weeks"].format(w) if o["show_weeks"] else ""
        t.field_names = [week, "Monday", "Tuesday", "Wednesday", "Thursday", "Friday"]
        t.align[week]="l"
        rcount=0
        if o["show_dates"]:
            add_row(t,[o["labels"]["dates"],
                       formatday(getnextdayn(d, 0)),
                       formatday(getnextdayn(d, 1)),
                       formatday(getnextdayn(d, 2)),
                       formatday(getnextdayn(d, 3)),
                       formatday(getnextdayn(d, 4))])
        if o["show_assignments"]:
            rcount+=add_row(t,[o["labels"]["assignments"],
                               getassign(getnextdayn(d, 0)),
                               getassign(getnextdayn(d, 1)),
                               getassign(getnextdayn(d, 2)),
                               getassign(getnextdayn(d, 3)),
                               getassign(getnextdayn(d, 4))])
        rcount+=add_row(t,[o["labels"]["lectures"],
                           getlecture(getnextdayn(d, 0)),
                           getlecture(getnextdayn(d, 1)),
                           getlecture(getnextdayn(d, 2)),
                           getlecture(getnextdayn(d, 3)),
                           getlecture(getnextdayn(d, 4))])
        if o["show_events"]:
            rcount+=add_row(t,[o["labels"]["events"],
                               getevents(getnextdayn(d, 0)),
                               getevents(getnextdayn(d, 1)),
                               getevents(getnextdayn(d, 2)),
                               getevents(getnextdayn(d, 3)),
                               getevents(getnextdayn(d, 4))])
        print(t.get_formatted_string(i["output"]["format"]))
        for j in range(0,o["week_line_skip"]):
            print("")
        d=getnextmonday(d)
        w+=1

if not i["output"]["tables"]["deadlines"]["hidden"]:
    # Count weeks
    days={}
    for a in i["assignments"]:
        start=parse_date(i["assignments"][a]["start"])
        end=parse_date(i["assignments"][a]["end"])
        if start not in days.keys():
            days[start]=list()
        if end not in days.keys():
            days[end]=list()
        days[start].append((a,"start"))
        days[end].append((a,"end"))
    # Build table
    t = PrettyTable()
    t.field_names = ["Week", "Date", "Assignment"]
    for d in sorted(days.keys()):
        for (a,b) in days[d]:
            if b=="start":
                msg=i["output"]["tables"]["deadlines"]["msg_handout"].format(a)
            else:
                msg=i["output"]["tables"]["deadlines"]["msg_deadline"].format(a)
            t.add_row([getweek(d),formatday(d),msg])
    t.align["Assignment"] = "l"
    print(t.get_formatted_string(i["output"]["format"]))