nvchecker/nvchecker/main.py
lilydjwg 0e53128981 fix
2013-08-09 21:55:11 +08:00

130 lines
3.5 KiB
Python
Executable file

#!/usr/bin/env python3
# vim:fileencoding=utf-8
import os
import sys
import configparser
import logging
import argparse
from functools import partial
from pkg_resources import parse_version
from tornado.ioloop import IOLoop
from .lib import notify, nicelogger
from .get_version import get_version
from . import __version__
logger = logging.getLogger(__name__)
notifications = []
g_counter = 0
g_oldver = {}
g_curver = {}
def task_inc():
global g_counter
g_counter += 1
def task_dec():
global g_counter
g_counter -= 1
if g_counter == 0:
IOLoop.instance().stop()
write_verfile()
def load_config(*files):
config = configparser.ConfigParser(
dict_type=dict, allow_no_value=True
)
for file in files:
with open(file) as f:
config.read_file(f)
return config
def load_oldverfile(file):
v = {}
with open(file) as f:
for l in f:
name, ver = [x.strip() for x in l.split(':', 1)]
v[name] = ver
return v
def write_verfile():
if not args.newver:
return
with open(args.newver, 'w') as f:
# sort using only alphanums, as done by the sort command, and needed by
# comm command
for item in sorted(g_curver.items(), key=lambda i: (''.join(filter(str.isalnum, i[0])), i[1])):
print('%s: %s' % item, file=f)
def print_version_update(name, version):
oldver = g_oldver.get(name, None)
if not oldver or parse_version(oldver) < parse_version(version):
logger.info('%s: updated version %s', name, version)
_updated(name, version)
else:
logger.info('%s: current version %s', name, version)
task_dec()
def _updated(name, version):
g_curver[name] = version
if args.notify:
msg = '%s updated to version %s' % (name, version)
notifications.append(msg)
notify.update('nvchecker', '\n'.join(notifications))
def get_versions(config):
task_inc()
for name in config.sections():
task_inc()
get_version(name, config[name], print_version_update)
task_dec()
def main():
global args
parser = argparse.ArgumentParser(description='New version checker for software')
parser.add_argument('files', metavar='FILE', nargs='*',
help='software version source files')
parser.add_argument('-i', '--oldver',
help='read an existing version record file')
parser.add_argument('-o', '--newver',
help='write a new version record file')
# parser.add_argument('-r', '--rc', default=os.path.expanduser('~/.nvcheckerrc'),
# help='specify the nvcheckerrc file to use')
parser.add_argument('-n', '--notify', action='store_true', default=False,
help='show desktop notifications when a new version is available')
parser.add_argument('-l', '--logging',
choices=('debug', 'info', 'warning', 'error'), default='info',
help='logging level (default: info)')
parser.add_argument('-V', '--version', action='store_true',
help='show version and exit')
args = parser.parse_args()
nicelogger.enable_pretty_logging(getattr(logging, args.logging.upper()))
if args.version:
print('nvchecker v' + __version__)
return
if not args.files:
return
def run_test():
config = load_config(*args.files)
if args.oldver:
g_oldver.update(load_oldverfile(args.oldver))
g_curver.update(g_oldver)
get_versions(config)
ioloop = IOLoop.instance()
ioloop.add_callback(run_test)
ioloop.start()
if __name__ == '__main__':
main()