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#!/usr/bin/env python3
import sys
import argparse
import gettext
import random
import netcache
import openk
from offutils import _LOCALE_DIR
gettext.bindtextdomain('offpunk', _LOCALE_DIR)
gettext.textdomain('offpunk')
_ = gettext.gettext
def get_latest(name="xkcd",offline=False):
if name == "xkcd":
rss = "https://xkcd.com/atom.xml"
latest_link = 2
#validity is 12h = 43200 seconds
if offline: validity = 0
else: validity = 43200
cache = openk.opencache()
netcache.fetch(rss,validity=validity,offline=offline)
r = cache.get_renderer(rss)
if not r:
print("xkcdpunk needs to be run at least once online to fetch the rss feed")
return None
else:
link = r.get_link(latest_link)
return link
def main():
descri = _("xkcdpunk is a tool to display a given XKCD comic in your terminal")
parser = argparse.ArgumentParser(prog="xkcd", description=descri)
parser.add_argument(
"number",
nargs="*",
help=_("XKCD comic number. Also accept value \"latest\" and \"random\". Default is \"latest\"")
)
parser.add_argument(
"--offline", action="store_true", help=_("Only access cached comics")
)
args = parser.parse_args()
cache = openk.opencache()
url = "https://xkcd.com/"
u = None
for n in args.number:
if n.isdigit():
u = url + str(n) + "/"
elif n == "random":
# for the random, we simply take the biggest known xkcd comic
# and find a number between 1 and latest
last_url = get_latest(offline=args.offline)
if last_url:
last = last_url.strip("/").split("/")[-1]
if last.isdigit():
value = random.randrange(2,int(last))
u = url + str(value) + "/"
if args.offline:
# If offline, we check for a valid netcache version
# We introduce a max counter to not search infinitely
max_counter = 0
while not netcache.is_cache_valid(u) and max_counter < 1000:
value = random.randrange(2,int(last))
u = url + str(value) + "/"
max_counter += 1
elif n == "latest":
u = get_latest(offline=args.offline)
if not u:
#By default, we get the latest
u = get_latest(offline=args.offline)
if u:
cache.openk(u)
else:
print("No cached XKCD comics were found. Please run xkcdpunk online to build the cache")
if __name__ == "__main__":
main()
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