325 lines
10 KiB
Python
Executable File
325 lines
10 KiB
Python
Executable File
#!/usr/bin/env python
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"""Copyright 2011 Gentoo Foundation
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Distributed under the terms of the GNU General Public License v2
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"""
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from __future__ import print_function
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import os
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# Meta
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__author__ = "Corentin Chary (iksaif)"
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__email__ = "corentin.chary@gmail.com"
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__version__ = "git"
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__productname__ = "euscan"
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__description__ = "A tool to detect new upstream releases."
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# Imports
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import sys
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import getopt
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from errno import EINTR, EINVAL
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from httplib import HTTPConnection
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from portage.output import white, yellow, turquoise, green
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from portage.exception import AmbiguousPackageName
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from gentoolkit import pprinter as pp
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from gentoolkit.eclean.search import port_settings
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from gentoolkit.errors import GentoolkitException
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from euscan import CONFIG, output
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# Globals
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isatty = os.environ.get('TERM') != 'dumb' and sys.stdout.isatty()
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isatty_stderr = os.environ.get('TERM') != 'dumb' and sys.stderr.isatty()
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def exit_helper(status):
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if CONFIG["format"]:
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print(output.get_formatted_output())
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sys.exit(status)
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def setup_signals():
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"""This block ensures that ^C interrupts are handled quietly."""
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import signal
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def exithandler(signum, frame):
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signal.signal(signal.SIGINT, signal.SIG_IGN)
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signal.signal(signal.SIGTERM, signal.SIG_IGN)
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print()
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exit_helper(EINTR)
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signal.signal(signal.SIGINT, exithandler)
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signal.signal(signal.SIGTERM, exithandler)
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signal.signal(signal.SIGPIPE, signal.SIG_DFL)
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def print_version():
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"""Output the version info."""
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print("%s (%s) - %s" \
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% (__productname__, __version__, __description__))
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print()
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print("Author: %s <%s>" % (__author__, __email__))
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print("Copyright 2011 Gentoo Foundation")
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print("Distributed under the terms of the GNU General Public License v2")
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def print_usage(_error=None, help=None):
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"""Print help message. May also print partial help to stderr if an
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error from {'options'} is specified."""
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out = sys.stdout
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if _error:
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out = sys.stderr
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if not _error in ('global-options', 'packages',):
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_error = None
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if not _error and not help:
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help = 'all'
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if _error in ('global-options',):
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output.eerror("Wrong option on command line.\n")
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if _error in ('packages',):
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output.eerror("You need to specify exactly one package.\n")
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print(white("Usage:"), file=out)
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if _error in ('global-options', 'packages',) or help == 'all':
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print(" " + turquoise(__productname__),
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yellow("[options]"),
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green("<package> [<package> [...]]"), file=out)
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if _error in ('global-options',) or help == 'all':
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print(" " + turquoise(__productname__),
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yellow("[--help, --version]"), file=out)
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print(file=out)
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if _error in ('global-options',) or help:
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print("Available ", yellow("options") + ":", file=out)
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print(yellow(" -C, --nocolor") +
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" - turn off colors on output", file=out)
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print(yellow(" -q, --quiet") +
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" - be as quiet as possible", file=out)
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print(yellow(" -h, --help") +
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" - display the help screen", file=out)
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print(yellow(" -V, --version") +
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" - display version info", file=out)
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print(file=out)
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print(yellow(" -1, --oneshot") +
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" - stop as soon as a new version is found",
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file=out)
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print(yellow(" -b, --brute-force=<level>") +
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" - define the brute force " + yellow("<level>") +
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" (default: 2)\n" +
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" " * 38 + "bigger levels will generate more versions numbers\n" +
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" " * 38 + "0 means disabled", file=out)
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print(yellow(" -f, --format=<format>") +
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" - define the output " + yellow("<format>") +
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" (available: json)", file=out)
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print(yellow(" -p, --progress") +
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" - display a progress bar", file=out)
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print(yellow(" -i, --ignore-pre-release") +
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" " * 11 + "- Ignore non-stable versions", file=out)
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print(yellow(" -I, --ignore-pre-release-if-stable") +
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" - Ignore non-stable versions only if current\n" +
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" " * 38 + "version is stable", file=out)
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print(yellow(" --mirror") +
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" - use mirror:// URIs", file=out)
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print(yellow(" --ebuild-uri") +
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" - use ebuild variables in URIs", file=out)
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print(file=out)
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if _error in ('packages',) or help:
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print(green(" package") +
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" " * 28 + "- the packages (or ebuilds) you want to scan",
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file=out)
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print(file=out)
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#print( "More detailed instruction can be found in",
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#turquoise("`man %s`" % __productname__), file=out)
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class ParseArgsException(Exception):
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"""For parseArgs() -> main() communications."""
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def __init__(self, value):
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self.value = value
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def __str__(self):
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return repr(self.value)
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def parse_args():
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"""Parse the command line arguments. Raise exceptions on
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errors. Returns packages and affects the CONFIG dict.
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"""
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def option_switch(opts):
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"""local function for interpreting command line options
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and setting options accordingly"""
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return_code = True
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for o, a in opts:
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if o in ("-h", "--help"):
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raise ParseArgsException('help')
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elif o in ("-V", "--version"):
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raise ParseArgsException('version')
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elif o in ("-C", "--nocolor"):
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CONFIG['nocolor'] = True
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pp.output.nocolor()
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elif o in ("-q", "--quiet"):
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CONFIG['quiet'] = True
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CONFIG['verbose'] = 0
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elif o in ("-1", "--oneshot"):
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CONFIG['oneshot'] = True
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elif o in ("-b", "--brute-force"):
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CONFIG['brute-force'] = int(a)
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elif o in ("-v", "--verbose") and not CONFIG['quiet']:
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CONFIG['verbose'] += 1
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elif o in ("-f", "--format"):
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CONFIG['format'] = a
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CONFIG['nocolor'] = True
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pp.output.nocolor()
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elif o in ("-p", "--progress"):
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CONFIG['progress'] = isatty_stderr
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elif o in ("--mirror"):
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CONFIG['mirror'] = True
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elif o in ("-i", "--ignore-pre-release"):
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CONFIG['ignore-pre-release'] = True
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elif o in ("-I", "--ignore-pre-release-if-stable"):
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CONFIG['ignore-pre-release-if-stable'] = True
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elif o in ("--ebuild-uri"):
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CONFIG['ebuild-uri'] = True
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else:
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return_code = False
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return return_code
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# here are the different allowed command line options (getopt args)
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getopt_options = {'short': {}, 'long': {}}
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getopt_options['short']['global'] = "hVCqv1bf:piI"
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getopt_options['long']['global'] = [
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"help", "version", "nocolor", "quiet", "verbose", "oneshot",
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"brute-force=", "format=", "progress", "mirror", "ignore-pre-release",
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"ignore-pre-release-if-stable", "ebuild-uri"
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]
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short_opts = getopt_options['short']['global']
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long_opts = getopt_options['long']['global']
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opts_mode = 'global'
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# apply getopts to command line, show partial help on failure
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try:
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opts, args = getopt.getopt(sys.argv[1:], short_opts, long_opts)
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except:
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raise ParseArgsException(opts_mode + '-options')
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# set options accordingly
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option_switch(opts)
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if len(args) < 1:
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raise ParseArgsException('packages')
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return args
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def main():
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"""Parse command line and execute all actions."""
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CONFIG['nocolor'] = (
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port_settings["NOCOLOR"] in ('yes', 'true') or not isatty
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)
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if CONFIG['nocolor']:
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pp.output.nocolor()
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# parse command line options and actions
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try:
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queries = parse_args()
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except ParseArgsException as e:
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if e.value == 'help':
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print_usage(help='all')
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exit_helper(0)
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elif e.value[:5] == 'help-':
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print_usage(help=e.value[5:])
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exit_helper(0)
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elif e.value == 'version':
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print_version()
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exit_helper(0)
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else:
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print_usage(e.value)
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exit_helper(EINVAL)
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# Importing stuff here for performance reasons
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from euscan.scan import scan_upstream
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from euscan.out import progress_bar
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if CONFIG['verbose'] > 2:
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HTTPConnection.debuglevel = 1
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if not CONFIG["format"] and not CONFIG['quiet']:
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CONFIG["progress"] = False
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on_progress = None
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if CONFIG['progress']:
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on_progress_gen = progress_bar()
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on_progress = on_progress_gen.next()
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on_progress(maxval=len(queries) * 100, increment=0, label="Working...")
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for query in queries:
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if CONFIG["progress"]:
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on_progress(increment=10, label=query)
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ret = []
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output.set_query(query)
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try:
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ret = scan_upstream(query, on_progress)
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except AmbiguousPackageName as e:
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pkgs = e.args[0]
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output.eerror("\n".join(pkgs))
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from os.path import basename # To get the short name
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output.error(
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"The short ebuild name '%s' is ambiguous. Please specify" %
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basename(pkgs[0]),
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"one of the above fully-qualified ebuild names instead."
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)
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exit_helper(1)
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except GentoolkitException as err:
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output.eerror('%s: %s' % (query, str(err)))
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exit_helper(1)
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except Exception as err:
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output.eerror('%s: %s' % (query, str(err)))
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exit_helper(1)
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if not ret and not CONFIG['quiet']:
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output.ewarn(
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"Didn't find any new version, check package's homepage " +
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"for more informations"
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)
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if not (CONFIG['format'] or CONFIG['quiet']) and len(queries) > 1:
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print("")
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if CONFIG['progress']:
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on_progress_gen.next()
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print("\n", file=sys.stderr)
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output.set_query(None)
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if __name__ == "__main__":
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setup_signals()
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main()
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exit_helper(0)
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