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##############################################################################
# Copyright (c) 2013, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/llnl/spack
# Please also see the LICENSE file for our notice and the LGPL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License (as published by
# the Free Software Foundation) version 2.1 dated February 1999.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
# conditions of the GNU General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
import textwrap
from llnl.util.tty.colify import *
import spack
import spack.fetch_strategy as fs
description = "Get detailed information on a particular package"
def padder(str_list, extra=0):
"""Return a function to pad elements of a list."""
length = max(len(str(s)) for s in str_list) + extra
def pad(string):
string = str(string)
padding = max(0, length - len(string))
return string + (padding * ' ')
return pad
def setup_parser(subparser):
subparser.add_argument('name', metavar="PACKAGE", help="Name of package to get info for.")
def print_text_info(pkg):
"""Print out a plain text description of a package."""
print "Package: ", pkg.name
print "Homepage: ", pkg.homepage
print
print "Safe versions: "
if not pkg.versions:
print("None")
else:
pad = padder(pkg.versions, 4)
for v in reversed(sorted(pkg.versions)):
f = fs.for_package_version(pkg, v)
print " %s%s" % (pad(v), str(f))
print
print "Variants:"
if not pkg.variants:
print "None"
else:
pad = padder(pkg.variants, 4)
maxv = max(len(v) for v in sorted(pkg.variants))
fmt = "%%-%ss%%-10s%%s" % (maxv + 4)
print " " + fmt % ('Name', 'Default', 'Description')
print
for name in sorted(pkg.variants):
v = pkg.variants[name]
default = 'on' if v.default else 'off'
lines = textwrap.wrap(v.description)
lines[1:] = [" " + (" " * maxv) + l for l in lines[1:]]
desc = "\n".join(lines)
print " " + fmt % (name, default, desc)
print
print "Dependencies:"
if pkg.dependencies:
colify(pkg.dependencies, indent=4)
else:
print " None"
print
print "Virtual packages: "
if pkg.provided:
for spec, when in pkg.provided.items():
print " %s provides %s" % (when, spec)
else:
print " None"
print
print "Description:"
if pkg.__doc__:
print pkg.format_doc(indent=4)
else:
print " None"
def info(parser, args):
pkg = spack.repo.get(args.name)
print_text_info(pkg)
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