1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
##############################################################################
# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
# Produced at the Lawrence Livermore National Laboratory.
#
# This file is part of Spack.
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
# LLNL-CODE-647188
#
# For details, see https://github.com/llnl/spack
# Please also see the NOTICE and LICENSE files 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 Lesser General Public License (as
# published by the Free Software Foundation) version 2.1, 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 Lesser 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 argparse
import llnl.util.tty as tty
from llnl.util.tty.colify import colify
import spack
import spack.store
import spack.cmd
description = "show packages that depend on another"
section = "basic"
level = "long"
def setup_parser(subparser):
subparser.add_argument(
'-i', '--installed', action='store_true', default=False,
help="List installed dependents of an installed spec, "
"instead of possible dependents of a package.")
subparser.add_argument(
'-t', '--transitive', action='store_true', default=False,
help="Show all transitive dependents.")
subparser.add_argument(
'spec', nargs=argparse.REMAINDER, help="spec or package name")
def inverted_dependencies():
"""Iterate through all packages and return a dictionary mapping package
names to possible dependnecies.
Virtual packages are included as sources, so that you can query
dependents of, e.g., `mpi`, but virtuals are not included as
actual dependents.
"""
dag = {}
for pkg in spack.repo.all_packages():
dag.setdefault(pkg.name, set())
for dep in pkg.dependencies:
deps = [dep]
# expand virtuals if necessary
if spack.repo.is_virtual(dep):
deps += [s.name for s in spack.repo.providers_for(dep)]
for d in deps:
dag.setdefault(d, set()).add(pkg.name)
return dag
def get_dependents(pkg_name, ideps, transitive=False, dependents=None):
"""Get all dependents for a package.
Args:
pkg_name (str): name of the package whose dependents should be returned
ideps (dict): dictionary of dependents, from inverted_dependencies()
transitive (bool, optional): return transitive dependents when True
"""
if dependents is None:
dependents = set()
if pkg_name in dependents:
return set()
dependents.add(pkg_name)
direct = ideps[pkg_name]
if transitive:
for dep_name in direct:
get_dependents(dep_name, ideps, transitive, dependents)
dependents.update(direct)
return dependents
def dependents(parser, args):
specs = spack.cmd.parse_specs(args.spec)
if len(specs) != 1:
tty.die("spack dependents takes only one spec.")
if args.installed:
spec = spack.cmd.disambiguate_spec(specs[0])
tty.msg("Dependents of %s" % spec.cformat('$_$@$%@$/'))
deps = spack.store.db.installed_relatives(
spec, 'parents', args.transitive)
if deps:
spack.cmd.display_specs(deps)
else:
print("No dependents")
else:
spec = specs[0]
ideps = inverted_dependencies()
dependents = get_dependents(spec.name, ideps, args.transitive)
dependents.remove(spec.name)
if dependents:
colify(sorted(dependents))
else:
print("No dependents")
|
