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
|
# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from __future__ import print_function
import argparse
import contextlib
import sys
import llnl.util.tty as tty
import spack
import spack.cmd
import spack.cmd.common.arguments as arguments
import spack.spec
import spack.store
import spack.hash_types as ht
description = "show what would be installed, given a spec"
section = "build"
level = "short"
def setup_parser(subparser):
arguments.add_common_arguments(
subparser, ['long', 'very_long', 'install_status'])
subparser.add_argument(
'-y', '--yaml', action='store_const', dest='format', default=None,
const='yaml', help='print concrete spec as YAML')
subparser.add_argument(
'-j', '--json', action='store_const', dest='format', default=None,
const='json', help='print concrete spec as YAML')
subparser.add_argument(
'-c', '--cover', action='store',
default='nodes', choices=['nodes', 'edges', 'paths'],
help='how extensively to traverse the DAG (default: nodes)')
subparser.add_argument(
'-N', '--namespaces', action='store_true', default=False,
help='show fully qualified package names')
subparser.add_argument(
'-t', '--types', action='store_true', default=False,
help='show dependency types')
subparser.add_argument(
'specs', nargs=argparse.REMAINDER, help="specs of packages")
@contextlib.contextmanager
def nullcontext():
"""Empty context manager.
TODO: replace with contextlib.nullcontext() if we ever require python 3.7.
"""
yield
def spec(parser, args):
name_fmt = '{namespace}.{name}' if args.namespaces else '{name}'
fmt = '{@version}{%compiler}{compiler_flags}{variants}{arch=architecture}'
install_status_fn = spack.spec.Spec.install_status
kwargs = {
'cover': args.cover,
'format': name_fmt + fmt,
'hashlen': None if args.very_long else 7,
'show_types': args.types,
'status_fn': install_status_fn if args.install_status else None
}
# use a read transaction if we are getting install status for every
# spec in the DAG. This avoids repeatedly querying the DB.
tree_context = nullcontext
if args.install_status:
tree_context = spack.store.db.read_transaction
if not args.specs:
tty.die("spack spec requires at least one spec")
for spec in spack.cmd.parse_specs(args.specs):
# With -y, just print YAML to output.
if args.format:
if spec.name in spack.repo.path or spec.virtual:
spec.concretize()
if args.format == 'yaml':
# use write because to_yaml already has a newline.
sys.stdout.write(spec.to_yaml(hash=ht.build_hash))
else:
print(spec.to_json(hash=ht.build_hash))
continue
with tree_context():
kwargs['hashes'] = False # Always False for input spec
print("Input spec")
print("--------------------------------")
print(spec.tree(**kwargs))
kwargs['hashes'] = args.long or args.very_long
print("Concretized")
print("--------------------------------")
spec.concretize()
print(spec.tree(**kwargs))
|
