1#! /usr/bin/python2.4 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22# Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23# Use is subject to license terms. 24# 25 26import zfs.util 27 28class Table: 29 __slots__ = "fields", "rjustfields", "maxfieldlen", "lines" 30 __repr__ = zfs.util.default_repr 31 32 def __init__(self, fields, rjustfields=()): 33 # XXX maybe have a defaults, too? 34 self.fields = fields 35 self.rjustfields = rjustfields 36 self.maxfieldlen = dict.fromkeys(fields, 0) 37 self.lines = list() 38 39 def __updatemax(self, k, v): 40 self.maxfieldlen[k] = max(self.maxfieldlen.get(k, None), v) 41 42 def addline(self, sortkey, values): 43 """values is a dict from field name to value""" 44 45 va = list() 46 for f in self.fields: 47 v = str(values[f]) 48 va.append(v) 49 self.__updatemax(f, len(v)) 50 self.lines.append((sortkey, va)) 51 52 def printme(self, headers=True): 53 if headers: 54 d = dict([(f, f.upper()) for f in self.fields]) 55 self.addline(None, d) 56 57 self.lines.sort() 58 for (k, va) in self.lines: 59 line = str() 60 for i in range(len(self.fields)): 61 if not headers: 62 line += va[i] 63 line += "\t" 64 else: 65 if self.fields[i] in self.rjustfields: 66 fmt = "%*s " 67 else: 68 fmt = "%-*s " 69 mfl = self.maxfieldlen[self.fields[i]] 70 line += fmt % (mfl, va[i]) 71 print(line) 72