mkical.py: Make it print a textual calendar

It works quite well, with the exception of multiple events in one week.
This commit is contained in:
Tobias Mueller 2010-05-03 00:34:38 +01:00
parent cbb518b6c1
commit fe53e3051b

View file

@ -4,8 +4,11 @@ This Python script creates a simple iCal file based on hardcoded events
in this file.
'''
import calendar
import datetime
import logging
import math
import os
import vobject
@ -149,10 +152,112 @@ def create_ical(eventlist):
return stream
def wraptext(s, width):
'''Wraps a string @s at @width characters.
>>> wraptext('fooo', 2)
['fo','oo']
'''
l = len(s)
nr_frames = int(math.ceil(float(l)/width))
print nr_frames
frames = []
for i in xrange(nr_frames):
start, end = i*width, (i+1) * width
frames.append(s[start:end])
# One could (and prolly should) yield that
return frames
def ordinal(n):
n = int(n)
if 10 <= n % 100 < 20:
return str(n) + 'th'
else:
return str(n) + {1 : 'st', 2 : 'nd', 3 : 'rd'}.get(n % 10, "th")
def cal_for_month(month, events, width=80, year=datetime.datetime.now().year):
'''Generates a textual calendar for the @month in @year.
It will return a string with the calendar on the left hand side and the
events on the right hand side.
@events shall be a list with tuples: timestamp, summary, description.
Returns a string with the calendar
'''
log = logging.getLogger('cal_for_month')
cal = calendar.TextCalendar()
calstrings = cal.formatmonth(year, month, 3).splitlines()
for (timestamp, summary, description) in events:
log.debug('creating %s, %s', timestamp, summary)
year, month, day = timestamp.year, timestamp.month, timestamp.day
maxwidth = max([len(cs) for cs in calstrings])
rightwidth = 80 - maxwidth
for i, line in enumerate(calstrings):
needles = (" %d " % day,
" %d\n" % day)
replacement = "(%d)" % day
# Find the day so that we can highlight it and add a comment
day_in_week = False
for needle in needles:
if needle in line+"\n":
# k, this looks a bit weird but we have that corner
# case with the day being at the end of the line
# which in turn will have been split off
day_in_week = True
break # Set the needle to the found one
if day_in_week == False: # Nothing found, try next week
log.debug('Day (%d) not found in %s', day, line)
continue
else:
log.debug('Day (%d) found in %s', day, line)
new_line = (line+"\n").replace(needle, replacement).rstrip()
new_line += " %s (%s)" % (summary, ordinal(day))
# Replace in-place for two events in the same week
# FIXME: This has bugs :-(
calstrings[i] = new_line
return os.linesep.join(calstrings)
def create_textcal(eventlist):
'''Generates a multiline string containing a calendar with the
events written on the side
The list shall contain elements with a tuple with a
(date, string, string) object, serving as date when the event takes place,
summary and description respectively.
'''
log = logging.getLogger('textcal')
log.debug('Generating from %s', eventlist)
months = set(map(lambda x: x[0].month, eventlist))
year = set(map(lambda x: x[0].year, eventlist)).pop()
final_cal = []
for month in months:
events = filter(lambda x: x[0].month == month, eventlist)
log.debug('Events for %d: %s', month, events)
month_cal = cal_for_month(month, events, year=year)
final_cal.append(month_cal)
return os.linesep.join(final_cal)
if __name__ == "__main__":
from optparse import OptionParser
parser = OptionParser("usage: %prog [options]")
parser.add_option("-l", "--loglevel", dest="loglevel", help="Sets the loglevel to one of debug, info, warn, error, critical",
default=None)
parser.add_option("-i", "--ical",
action="store_true", dest="ical", default=False,
help="print iCal file to stdout")
parser.add_option("-t", "--textcal",
action="store_true", dest="tcal", default=False,
help="print textual calendar to stdout")
(options, args) = parser.parse_args()
logging.basicConfig( level=logging.CRITICAL )
loglevel = {'debug': logging.DEBUG, 'info': logging.INFO,
'warn': logging.WARN, 'error': logging.ERROR,
'critical': logging.CRITICAL}.get(options.loglevel, "warn")
logging.basicConfig( level=loglevel )
log = logging.getLogger()
eventlist = [
@ -167,5 +272,12 @@ if __name__ == "__main__":
CHALLENGE_CLOSED,
]
ical = create_ical( eventlist )
print ical
if not any([options.ical, options.tcal]):
parser.error("You want to select either ical or textcal output. See --help for details")
if options.ical:
ical = create_ical( eventlist )
print ical
if options.tcal:
tcal = create_textcal( eventlist )
print tcal