Print travel dates from Google Calendar export

travel_dates.py

#!/usr/bin/python3

""" Travel Calendar Parser
Export ics from Google Calendar and pass filename as argument

pip3 install ics
python3 travel_dates.py input_file.ics
"""
import sys
from ics import Calendar

DATE_FORMAT = "%d-%m-%Y"
filename = sys.argv[1]
file = open(filename, "r")

c = Calendar(file)

eventsSorted = sorted(c.events, key=lambda x: x.begin)

for e in eventsSorted:
    if e.all_day:
        print("{:<15} | {} → {} | {:>7}".format(e.name, e.begin.strftime(DATE_FORMAT), e.end.strftime(DATE_FORMAT), str(e.duration).replace(", 0:00:00", "")))