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
|
#! /usr/bin/python2.6
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
#
import zfs.util
class Table:
__slots__ = "fields", "rjustfields", "maxfieldlen", "lines"
__repr__ = zfs.util.default_repr
def __init__(self, fields, rjustfields=()):
# XXX maybe have a defaults, too?
self.fields = fields
self.rjustfields = rjustfields
self.maxfieldlen = dict.fromkeys(fields, 0)
self.lines = list()
def __updatemax(self, k, v):
self.maxfieldlen[k] = max(self.maxfieldlen.get(k, None), v)
def addline(self, sortkey, values):
"""values is a dict from field name to value"""
va = list()
for f in self.fields:
v = str(values[f])
va.append(v)
self.__updatemax(f, len(v))
self.lines.append((sortkey, va))
def printme(self, headers=True):
if headers:
d = dict([(f, f.upper()) for f in self.fields])
self.addline(None, d)
self.lines.sort()
for (k, va) in self.lines:
line = str()
for i in range(len(self.fields)):
if not headers:
line += va[i]
line += "\t"
else:
if self.fields[i] in self.rjustfields:
fmt = "%*s "
else:
fmt = "%-*s "
mfl = self.maxfieldlen[self.fields[i]]
line += fmt % (mfl, va[i])
print(line)
|
