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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
# Copyright(c) 2009-2010, Gentoo Foundation
#
# Licensed under the GNU General Public License, v2
#
# $Header: $
"""List all packages that depend on a atom given query"""
__docformat__ = 'epytext'
# =======
# Imports
# =======
import sys
from getopt import gnu_getopt, GetoptError
import gentoolkit.pprinter as pp
from gentoolkit.dependencies import Dependencies
from gentoolkit.equery import format_options, mod_usage, CONFIG
from gentoolkit.helpers import (get_cpvs, get_installed_cpvs,
compare_package_strings)
# =======
# Globals
# =======
QUERY_OPTS = {
"includeMasked": False,
"onlyDirect": True,
"maxDepth": -1,
}
# =======
# Classes
# =======
class DependPrinter(object):
"""Output L{gentoolkit.dependencies.Dependencies} objects."""
def __init__(self, verbose=True):
if verbose:
self.print_fn = self.print_verbose
else:
self.print_fn = self.print_quiet
def __call__(self, dep, dep_is_displayed=False):
self.format_depend(dep, dep_is_displayed)
@staticmethod
def print_verbose(indent, cpv, use_conditional, depatom):
"""Verbosely prints a set of dep strings."""
sep = ' ? ' if (depatom and use_conditional) else ''
print indent + pp.cpv(cpv), "(" + use_conditional + sep + depatom + ")"
# W0613: *Unused argument %r*
# pylint: disable-msg=W0613
@staticmethod
def print_quiet(indent, cpv, use_conditional, depatom):
"""Quietly prints a subset set of dep strings."""
print indent + pp.cpv(cpv)
def format_depend(self, dep, dep_is_displayed):
"""Format a dependency for printing.
@type dep: L{gentoolkit.dependencies.Dependencies}
@param dep: the dependency to display
"""
depth = getattr(dep, 'depth', 0)
indent = " " * depth
mdep = dep.matching_dep
use_conditional = ""
if mdep.use_conditional:
use_conditional = " & ".join(
pp.useflag(u) for u in mdep.use_conditional.split()
)
if mdep.operator == '=*':
formatted_dep = '=%s*' % str(mdep.cpv)
else:
formatted_dep = mdep.operator + str(mdep.cpv)
if mdep.slot:
formatted_dep += pp.emph(':') + pp.slot(mdep.slot)
if mdep.use:
useflags = pp.useflag(','.join(mdep.use.tokens))
formatted_dep += (pp.emph('[') + useflags + pp.emph(']'))
if dep_is_displayed:
indent = indent + " " * len(str(dep.cpv))
self.print_fn(indent, '', use_conditional, formatted_dep)
else:
self.print_fn(indent, str(dep.cpv), use_conditional, formatted_dep)
# =========
# 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="depends")
print
print pp.command("options")
print format_options((
(" -h, --help", "display this help message"),
(" -a, --all-packages",
"include dependencies that are not installed (slow)"),
(" -D, --indirect",
"search both direct and indirect dependencies"),
(" --depth=N", "limit indirect dependency tree to specified depth")
))
def parse_module_options(module_opts):
"""Parse module options and update QUERY_OPTS"""
opts = (x[0] for x in module_opts)
posargs = (x[1] for x in module_opts)
for opt, posarg in zip(opts, posargs):
if opt in ('-h', '--help'):
print_help()
sys.exit(0)
elif opt in ('-a', '--all-packages'):
QUERY_OPTS['includeMasked'] = True
elif opt in ('-D', '--indirect'):
QUERY_OPTS['onlyDirect'] = False
elif opt in ('--depth'):
if posarg.isdigit():
depth = int(posarg)
else:
err = "Module option --depth requires integer (got '%s')"
sys.stdout.write(pp.error(err % posarg))
print
print_help(with_description=False)
sys.exit(2)
QUERY_OPTS["maxDepth"] = depth
def main(input_args):
"""Parse input and run the program"""
short_opts = "hadD" # -d, --direct was old option for default action
long_opts = ('help', 'all-packages', 'direct', 'indirect', 'depth=')
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)
#
# Output
#
dep_print = DependPrinter(verbose=CONFIG['verbose'])
first_run = True
for query in queries:
if not first_run:
print
pkg = Dependencies(query)
if QUERY_OPTS['includeMasked']:
pkggetter = get_cpvs
else:
pkggetter = get_installed_cpvs
if CONFIG['verbose']:
print " * These packages depend on %s:" % pp.emph(str(pkg.cpv))
pkg.graph_reverse_depends(
pkgset=sorted(pkggetter(), cmp=compare_package_strings),
max_depth=QUERY_OPTS["maxDepth"],
only_direct=QUERY_OPTS["onlyDirect"],
printer_fn=dep_print
)
first_run = False
# vim: set ts=4 sw=4 tw=79:
|
GitWeb