# -*- coding: utf-8 -*-
from . import base
from subprocess import check_output, call
[docs]class Canto(base.ThreadedPollText):
"""
Display RSS feeds updates using the canto console reader.
"""
defaults = [
("fetch", False, "Whether to fetch new items on update"),
("feeds", [], "List of feeds to display, empty for all"),
("one_format", "{name}: {number}", "One feed display format"),
("all_format", "{number}", "All feeds display format"),
]
def __init__(self, **config):
base.ThreadedPollText.__init__(self, **config)
self.add_defaults(Canto.defaults)
def poll(self):
if not self.feeds:
arg = "-a"
if self.fetch:
arg += "u"
return self.all_format.format(
number=check_output(["canto", arg])[:-1]).decode()
else:
if self.fetch:
call(["canto", "-u"])
return "".join([self.one_format.format(
name=feed,
number=check_output(["canto", "-n", feed]).decode()[:-1]
) for feed in self.feeds])