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# Copyright(c) 2009-2010, Gentoo Foundation
#
# Licensed under the GNU General Public License, v2
#
# $Header: $
"""Display the path to the ebuild that would be used by Portage with the current
configuration
"""
__docformat__ = 'epytext'
# =======
# Imports
# =======
import os
import sys
from getopt import gnu_getopt, GetoptError
import gentoolkit.pprinter as pp
from gentoolkit import errors
from gentoolkit.equery import format_options, mod_usage
from gentoolkit.helpers import find_packages
# =======
# Globals
# =======
QUERY_OPTS = {"includeMasked": False}
# =========
# Functions
# =========
def print_help(with_description=True):
"""Print description, usage and a detailed help message.
@type with_description: bool
@param with_description: if true, print module's __doc__ string
"""
if with_description:
print __doc__.strip()
print
print mod_usage(mod_name="which")
print
print pp.command("options")
print format_options((
(" -h, --help", "display this help message"),
(" -m, --include-masked", "return highest version ebuild available")
))
def parse_module_options(module_opts):
"""Parse module options and update QUERY_OPTS"""
opts = (x[0] for x in module_opts)
for opt in opts:
if opt in ('-h', '--help'):
print_help()
sys.exit(0)
elif opt in ('-m', '--include-masked'):
QUERY_OPTS['includeMasked'] = True
def main(input_args):
"""Parse input and run the program"""
short_opts = "hm"
long_opts = ('help', 'include-masked')
try:
module_opts, queries = gnu_getopt(input_args, short_opts, long_opts)
except GetoptError, err:
sys.stderr.write(pp.error("Module %s" % err))
print
print_help(with_description=False)
sys.exit(2)
parse_module_options(module_opts)
if not queries:
print_help()
sys.exit(2)
for query in queries:
matches = find_packages(query, QUERY_OPTS['includeMasked'])
if matches:
pkg = sorted(matches).pop()
ebuild_path = pkg.ebuild_path()
if ebuild_path:
print os.path.normpath(ebuild_path)
else:
sys.stderr.write(
pp.warn("No ebuilds to satisfy %s" % pkg.cpv.name)
)
else:
raise errors.GentoolkitNoMatches(query)
# vim: set ts=4 sw=4 tw=79:
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