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hashcal.py
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hashcal.py
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#!/usr/bin/python
"""Usage: hashcal.py [options] arguments
Options:
-h --help show this help message and exit
-v --verbose print status messages
-q --quiet print only success or failure
--version print the current version
-a --add add an item to the list
-s --show show all items in the list
-f --file=<file> file to store the calendar database in. [default: ~/.hashcal/cal.dat]
"""
from docopt import docopt
import tokenize
import pickle
import os
def file_check(fn, *args):
file_name = *args[0]
def wrap():
if not os.path.exists(file_name):
os.makedirs(options.file[:file_name.rfind("/")]) #create directory
file(file_name, "w").close() # create file and close it
fn(*args)
return wrap
class HashCal(object):
def __init__(self, sourceFile=None):
"""Create HashCal. If file is given, load events from it"""
if sourceFile is not None:
self.load_from_file(sourceFile)
else:
self.events = []
def split_hashtags(self, args):
"""Given a set of args, will return a tuple of:
An array of all the hashtagged args with the hashtags stripped,
and an array of all the args without hashtags."""
tag_args = []
notag_args = []
for element in args:
for token in element.split(" "):
if token[0] == '#':
tag_args.append(token[1:])
else:
notag_args.append(token)
return tag_args, notag_args
def add_item(self, options, args):
"""Adds an item to event list"""
self.events.append(" ".join(args))
@file_check
def load_from_file(self, file_name):
"""Loads all the events from given file"""
f = file(file_name, "rb")
self.events = pickle.load(f)
f.close()
@file_check
def save_to_file(self, file_name):
"""Saves Self.events to given file,
making the directories for the file if needed"""
f = file(file_name, "wb")
pickle.Pickler(f).dump(self.events)
f.close()
def print_items(self):
"""Prints all the items"""
print self.events
def main(options, args):
"""Executes depending on given options"""
has_done_something = False
calendar = HashCal(options.file)
if options.verbose:
print args
print options
has_done_something = True
print calendar.split_hashtags(args)
if options.add:
calendar.add_item(options, args)
calendar.save_to_file(options.file)
has_done_something = True
if options.show:
calendar.print_items()
has_done_something = True
if not has_done_something:
print __doc__
if __name__ == '__main__':
options, args = docopt(__doc__)
options.file = os.path.expanduser(options.file)
main(options, args)