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# decal - a simple calendar with caldav events |
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# Dependencies |
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``` |
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pip install caldav |
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``` |
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#!/usr/bin/python |
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import configparser |
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import datetime |
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import calendar |
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import caldav |
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import argparse |
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import os |
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import json |
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import re |
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config = configparser.ConfigParser() |
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Version = "%(prog)s 0.1" |
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configpath = os.getenv("HOME")+"/.config/decal.conf" |
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config.read(configpath) |
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#define arguments |
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today = datetime.date.today() |
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parser = argparse.ArgumentParser(description="Cal with events.") |
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parser.add_argument("year", |
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action="store", |
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default=today.year, |
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nargs="?", |
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type=int) |
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parser.add_argument("month", |
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action="store", |
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default=today.month, |
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nargs="?", |
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type=int) |
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parser.add_argument("day", |
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action="store", |
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default=today.day, |
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nargs="?", |
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type=int) |
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parser.add_argument("-v", "--version", |
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action="version", |
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version=Version, |
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help="Display the version of the program") |
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parser.add_argument("--json", |
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action="store_true", |
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help="Dump events output to json") |
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parser.add_argument("--create", |
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action="store_true", |
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help="Create a new event") |
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parser.add_argument("--calendar", |
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action="append", |
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help="Specify a calendar (or multiple calendars) to sync from") |
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parser.add_argument("-1", |
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action="store_true", |
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help="show only a single month (default)") |
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parser.add_argument("-3", |
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action="store_true", |
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help="show three months spanning the date") |
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parser.add_argument("-y", |
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action="store_true", |
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help="show the whole year") |
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parser.add_argument("-n", |
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action="store_const", |
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const=int, |
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help="show n months") |
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args = vars(parser.parse_args()) |
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#check some stuff, do some warnings, initiate the config, etc. |
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if not os.path.exists(configpath): |
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config['DEFAULT'] = {'uri': 'your caldap server here', |
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'user': 'your username here', |
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'password': 'your pass here'} |
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print("Creating an empty config in ~/.config/decal.conf") |
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with open(configpath,'w') as configfile: |
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config.write(configfile) |
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configfile.close() |
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print("To properly utilize decal, please fill out the fields in the config") |
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exit(1) |
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for arg in ("user","password","uri"): |
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if not arg in config['DEFAULT']: |
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print("The config is incomplete, please check the \""+arg+"\" field") |
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exit(1) |
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if config['DEFAULT']['uri'] == "your caldap server here": |
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print("To properly utilize decal, please fill out the fields in the config") |
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exit(1) |
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#actual works begins here |
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|
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#generate the actual calendar, line by line, output an array of lines. |
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#it works trust me, idk what is happening in this one but it works. |
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def gencal(year,month,start_on_sunday=True,cell_modifier=lambda d: d,append_year=True): |
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firstweekday = 0 |
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if start_on_sunday: |
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firstweekday = 6 |
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cal = calendar.Calendar(firstweekday=firstweekday) |
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lines = [""]*6 |
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monthstart = False |
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counter = 0 |
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for date in cal.itermonthdates(year,month): |
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lines[counter//7] |
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day = str(date)[-2:] |
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if day == "01": |
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monthstart = not monthstart |
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if monthstart: |
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lines[counter//7] += cell_modifier(day) |
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else: |
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lines[counter//7] += " " |
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lines[counter//7] +=" " |
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counter+=1 |
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month = datetime.date(year,month,1).strftime("%B %Y") |
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padding = (len(lines[0])-len(month))//2 |
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rpadding = len(lines[0])%(padding+len(month)+padding) |
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if start_on_sunday: |
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lines.insert(0,"Su Mo Tu We Th Fr Sa ") |
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else: |
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lines.insert(0,"Mo Tu We Th Fr Sa Su ") |
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lines.insert(0,(" "*padding)+month+(" "*(padding+rpadding))) |
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lines[-1] += " "*(21-len(lines[-1])) |
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return lines |
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color_names = { |
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"red":"0;31", |
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"green":"0;32", |
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"brown":"0;33", |
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"orange":"0;33", |
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"blue":"0;34", |
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"purple":"0;35", |
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"cyan":"0;36", |
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"yellow":"1;33", |
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"white":"1;37", |
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"blink":"5", |
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"bold":"1", |
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"italic":"3", |
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"underline":"4", |
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"inverse":"7", |
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"strikethrough":"9", |
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"light red":"1;31", |
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"light green":"1;32", |
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"light blue":"1;34", |
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"light purple":"1;36", |
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"light cyan":"0;37" |
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} |
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def colorize(text,color): |
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if color in color_names: |
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return "\033["+color_names[color]+"m"+text+"\033[0m" |
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elif re.match("(\d{1,3}),(\d{1,3}),(\d{1,3})",color): |
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color = "\\"+re.sub("(\d{1,3}),(\d{1,3}),(\d{1,3})","38;2;\\1;\\2;\\3m",color) |
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return color+text+"\033[0m" |
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def span(year,month,offset): |
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return year+((month+offset-1)//12),((month+offset-1)%12)+1 |
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def getbounds(y,m,offset): |
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start = datetime.date(y,m,1) |
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postnextmonth = span(y,m,offset) |
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nextmonth = span(postnextmonth[0],postnextmonth[1],-1) |
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end = datetime.date(nextmonth[0], |
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nextmonth[1], |
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(datetime.date(postnextmonth[0],postnextmonth[1],1)-datetime.timedelta(days=1)).day) |
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return start,end |
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start = None |
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end = None |
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if args["1"]: |
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start,end = getbounds(args["year"],args["month"],1) |
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elif args["3"]: |
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y,m = span(args["year"],args["month"],-1) |
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start,end = getbounds(y,m,3) |
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elif args["n"]: |
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start,end = getbounds(args["year"],args["month"],args["n"]) |
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else: |
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start,end = getbounds(args["year"],args["month"],1) |
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client = caldav.DAVClient(url = config['DEFAULT']['uri'], |
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username = config['DEFAULT']['user'], |
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password = config['DEFAULT']['password']) |
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principal = client.principal() |
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calendars = principal.calendars() |
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if "calendar" in config['DEFAULT']: |
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calendars2 = [] |
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cals = config['DEFAULT']["calendar"].split(",") |
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for cal in calendars: |
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if cal.name in cal: |
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calendars2.append(cal) |
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calendars = calendars2 |
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events = [] |
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for calendar in calendars: |
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events_fetched = calendar.date_search(start,end) |
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for event in events_fetched: |
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if not event in events: |
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events.append(event) |
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