| #!/usr/bin/env python |
| |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| |
| from time import strftime, gmtime |
| |
| class Display: |
| """ Display formatting for QPID Management CLI """ |
| |
| def __init__ (self): |
| self.tableSpacing = 2 |
| self.tablePrefix = " " |
| self.timestampFormat = "%X" |
| |
| def table (self, title, heads, rows): |
| """ Print a formatted table with autosized columns """ |
| print title |
| if len (rows) == 0: |
| return |
| colWidth = [] |
| col = 0 |
| line = self.tablePrefix |
| for head in heads: |
| width = len (head) |
| for row in rows: |
| cellWidth = len (unicode (row[col])) |
| if cellWidth > width: |
| width = cellWidth |
| colWidth.append (width + self.tableSpacing) |
| line = line + head |
| if col < len (heads) - 1: |
| for i in range (colWidth[col] - len (head)): |
| line = line + " " |
| col = col + 1 |
| print line |
| line = self.tablePrefix |
| for width in colWidth: |
| for i in range (width): |
| line = line + "=" |
| print line |
| |
| for row in rows: |
| line = self.tablePrefix |
| col = 0 |
| for width in colWidth: |
| line = line + unicode (row[col]) |
| if col < len (heads) - 1: |
| for i in range (width - len (unicode (row[col]))): |
| line = line + " " |
| col = col + 1 |
| print line |
| |
| def do_setTimeFormat (self, fmt): |
| """ Select timestamp format """ |
| if fmt == "long": |
| self.timestampFormat = "%c" |
| elif fmt == "short": |
| self.timestampFormat = "%X" |
| |
| def timestamp (self, nsec): |
| """ Format a nanosecond-since-the-epoch timestamp for printing """ |
| return strftime (self.timestampFormat, gmtime (nsec / 1000000000)) |