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
|
# Copyright (C) 2009-2017 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman 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, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman 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 GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Getting information out of a qfile."""
import click
import pickle
from mailman.core.i18n import _
from mailman.interfaces.command import ICLISubCommand
from mailman.utilities.interact import interact
from mailman.utilities.options import I18nCommand
from pprint import PrettyPrinter
from public import public
from zope.interface import implementer
# This is deliberately called 'm' for use with --interactive.
m = None
@click.command(
cls=I18nCommand,
help=_('Get information out of a queue file.'))
@click.option(
'--print/--no-print', '-p/-n', 'doprint',
default=True,
help=_("""\
Don't attempt to pretty print the object. This is useful if there is some
problem with the object and you just want to get an unpickled
representation. Useful with 'bin/dumpdb -i <file>'. In that case, the
list of unpickled objects will be left in a variable called 'm'."""))
@click.option(
'--interactive', '-i',
is_flag=True, default=False,
help=_("""\
Start an interactive Python session, with a variable called 'm'
containing the list of unpickled objects."""))
@click.argument('qfile')
def qfile(doprint, interactive, qfile):
global m
# Reinitialize 'm' every time this command is run. This isn't normally
# needed for command line use, but is important for the test suite.
m = []
printer = PrettyPrinter(indent=4)
with open(qfile, 'rb') as fp:
while True:
try:
m.append(pickle.load(fp))
except EOFError:
break
if doprint:
print(_('[----- start pickle -----]'))
for i, obj in enumerate(m):
count = i + 1
print(_('<----- start object $count ----->'))
if isinstance(obj, (bytes, str)):
print(obj)
else:
printer.pprint(obj)
print(_('[----- end pickle -----]'))
count = len(m) # noqa: F841
banner = _("Number of objects found (see the variable 'm'): $count")
if interactive:
interact(banner=banner)
@public
@implementer(ICLISubCommand)
class QFile:
name = 'qfile'
command = qfile
|
