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# Copyright(c) 2009-2010, Gentoo Foundation
#
# Licensed under the GNU General Public License, v2 or higher
#
# $Header: $
"""List all installed packages that have a given USE flag"""
__docformat__ = 'epytext'
# =======
# Imports
# =======
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, CONFIG
from gentoolkit.helpers import do_lookup
from gentoolkit.package import PackageFormatter
# =======
# Globals
# =======
QUERY_OPTS = {
"categoryFilter": None,
"includeInstalled": True,
"includePortTree": False,
"includeOverlayTree": False,
"includeMasked": True,
"isRegex": False, # Necessary for do_lookup, don't change
"printMatchInfo": 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="hasuse", arg="USE-flag")
print
print pp.command("options")
print format_options((
(" -h, --help", "display this help message"),
(" -I, --exclude-installed",
"exclude installed packages from search path"),
(" -o, --overlay-tree", "include overlays in search path"),
(" -p, --portage-tree", "include entire portage tree in search path")
))
def display_useflags(query, pkg):
"""Display USE flag information for a given package."""
try:
useflags = [x.lstrip("+-") for x in pkg.environment("IUSE").split()]
except errors.GentoolkitFatalError:
# aux_get KeyError or other unexpected result
return
if query not in useflags:
return
if CONFIG['verbose']:
fmt_pkg = PackageFormatter(pkg, do_format=True)
else:
fmt_pkg = PackageFormatter(pkg, do_format=False)
if (QUERY_OPTS["includeInstalled"] and
not QUERY_OPTS["includePortTree"] and
not QUERY_OPTS["includeOverlayTree"]):
if not 'I' in fmt_pkg.location:
return
if (QUERY_OPTS["includePortTree"] and
not QUERY_OPTS["includeOverlayTree"]):
if not 'P' in fmt_pkg.location:
return
if (QUERY_OPTS["includeOverlayTree"] and
not QUERY_OPTS["includePortTree"]):
if not 'O' in fmt_pkg.location:
return
print fmt_pkg
def parse_module_options(module_opts):
"""Parse module options and update QUERY_OPTS"""
# Parse module options
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 ('-I', '--exclue-installed'):
QUERY_OPTS['includeInstalled'] = False
elif opt in ('-p', '--portage-tree'):
QUERY_OPTS['includePortTree'] = True
elif opt in ('-o', '--overlay-tree'):
QUERY_OPTS['includeOverlayTree'] = True
def main(input_args):
"""Parse input and run the program"""
short_opts = "hiIpo" # -i was option for default action
# --installed is no longer needed, kept for compatibility (djanderson '09)
long_opts = ('help', 'installed', 'exclude-installed', 'portage-tree',
'overlay-tree')
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)
matches = do_lookup("*", QUERY_OPTS)
matches.sort()
#
# Output
#
first_run = True
for query in queries:
if not first_run:
print
if CONFIG['verbose']:
print " * Searching for USE flag %s ... " % pp.emph(query)
for pkg in matches:
display_useflags(query, pkg)
first_run = False
# vim: set ts=4 sw=4 tw=79:
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