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-rw-r--r--cddl/contrib/opensolaris/lib/pyzfs/common/table.py70
1 files changed, 70 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/lib/pyzfs/common/table.py b/cddl/contrib/opensolaris/lib/pyzfs/common/table.py
new file mode 100644
index 000000000000..d2a45a142c29
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+++ b/cddl/contrib/opensolaris/lib/pyzfs/common/table.py
@@ -0,0 +1,70 @@
+#! /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)