253 lines
8.2 KiB
Python
Executable File
253 lines
8.2 KiB
Python
Executable File
#!/usr/bin/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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""" 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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__version__ = "git"
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""" Imports """
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import os
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import sys
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import getopt
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import errno
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import httplib
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from portage.output import white, yellow, turquoise, green, EOutput
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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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import euscan
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from euscan import CONFIG
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from euscan.scan import scan_upstream
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""" Globals """
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def setupSignals():
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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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sys.exit(errno.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 printVersion():
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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 printUsage(_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: help = 'all'
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if _error in ('global-options',):
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print( pp.error("Wrong option on command line."), file=out)
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print( file=out)
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if _error in ('packages',):
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print( pp.error("You need to specify exactly one package."), file=out)
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print( file=out)
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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", file=out)
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print( yellow(" -b, --brute-force=<level>")+
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" - define the brute force "+yellow("<level>")+" (default: 2)\n" +
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" " * 29 + "bigger levels will generate more versions numbers\n" +
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" " * 29 + "0 means disabled", 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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" - the packages (or ebuilds) you want to scan", 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 parseArgs():
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"""Parse the command line arguments. Raise exceptions on
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errors. Returns package and affect the CONFIG dict.
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"""
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def optionSwitch(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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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'] = "hVCqv1b:"
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getopt_options['long']['global'] = ["help", "version", "nocolor", "quiet",
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"verbose", "oneshot", "brute-force="]
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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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optionSwitch(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'] = (port_settings["NOCOLOR"] in ('yes','true')
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or not sys.stdout.isatty())
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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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packages = parseArgs()
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except ParseArgsException as e:
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if e.value == 'help':
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printUsage(help='all')
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sys.exit(0)
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elif e.value[:5] == 'help-':
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printUsage(help=e.value[5:])
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sys.exit(0)
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elif e.value == 'version':
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printVersion()
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sys.exit(0)
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else:
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printUsage(e.value)
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sys.exit(errno.EINVAL)
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""" Change euscan's output """
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euscan.output = EOutput(CONFIG['quiet'])
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if CONFIG['verbose'] > 2:
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httplib.HTTPConnection.debuglevel = 1
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for package in packages:
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ret = []
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try:
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ret = scan_upstream(package)
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except AmbiguousPackageName as e:
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pkgs = e.args[0]
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for candidate in pkgs:
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print(candidate)
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from os.path import basename # To get the short name
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print(file=sys.stderr)
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print(pp.error("The short ebuild name '%s' is ambiguous. Please specify" % basename(pkgs[0])),
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file=sys.stderr, end="")
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pp.die(1, "one of the above fully-qualified ebuild names instead.")
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except GentoolkitException as err:
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pp.die(1, str(err))
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except Exception as err:
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pp.die(1, str(err))
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if not CONFIG['quiet']:
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print ()
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for cp, url, version in ret:
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if not CONFIG['quiet']:
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print ("Upstream Version: "
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+ pp.number("%s" % version)
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+ pp.path(" %s" % url))
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else:
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print (pp.cpv("%s-%s" % (cp, version))
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+ ": " + pp.path(url))
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if not len(ret) and not CONFIG['quiet']:
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print (pp.warn("Didn't find any new version, "
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+ "check package's homepage for "
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+ "more informations"));
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if __name__ == "__main__":
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try:
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setupSignals()
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main()
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except KeyboardInterrupt:
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print( "Aborted.")
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sys.exit(errno.EINTR)
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sys.exit(0)
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