diff options
Diffstat (limited to 'qpid/python/qpid/disp.py')
| -rw-r--r-- | qpid/python/qpid/disp.py | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/qpid/python/qpid/disp.py b/qpid/python/qpid/disp.py new file mode 100644 index 0000000000..c29ea009de --- /dev/null +++ b/qpid/python/qpid/disp.py @@ -0,0 +1,236 @@ +#!/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 Header: + """ """ + NONE = 1 + KMG = 2 + YN = 3 + Y = 4 + TIME_LONG = 5 + TIME_SHORT = 6 + DURATION = 7 + + def __init__(self, text, format=NONE): + self.text = text + self.format = format + + def __repr__(self): + return self.text + + def __str__(self): + return self.text + + def formatted(self, value): + try: + if value == None: + return '' + if self.format == Header.NONE: + return value + if self.format == Header.KMG: + return self.num(value) + if self.format == Header.YN: + if value: + return 'Y' + return 'N' + if self.format == Header.Y: + if value: + return 'Y' + return '' + if self.format == Header.TIME_LONG: + return strftime("%c", gmtime(value / 1000000000)) + if self.format == Header.TIME_SHORT: + return strftime("%X", gmtime(value / 1000000000)) + if self.format == Header.DURATION: + if value < 0: value = 0 + sec = value / 1000000000 + min = sec / 60 + hour = min / 60 + day = hour / 24 + result = "" + if day > 0: + result = "%dd " % day + if hour > 0 or result != "": + result += "%dh " % (hour % 24) + if min > 0 or result != "": + result += "%dm " % (min % 60) + result += "%ds" % (sec % 60) + return result + except: + return "?" + + def numCell(self, value, tag): + fp = float(value) / 1000. + if fp < 10.0: + return "%1.2f%c" % (fp, tag) + if fp < 100.0: + return "%2.1f%c" % (fp, tag) + return "%4d%c" % (value / 1000, tag) + + def num(self, value): + if value < 1000: + return "%4d" % value + if value < 1000000: + return self.numCell(value, 'k') + value /= 1000 + if value < 1000000: + return self.numCell(value, 'm') + value /= 1000 + return self.numCell(value, 'g') + + +class Display: + """ Display formatting for QPID Management CLI """ + + def __init__(self, spacing=2, prefix=" "): + self.tableSpacing = spacing + self.tablePrefix = prefix + self.timestampFormat = "%X" + + def formattedTable(self, title, heads, rows): + fRows = [] + for row in rows: + fRow = [] + col = 0 + for cell in row: + fRow.append(heads[col].formatted(cell)) + col += 1 + fRows.append(fRow) + headtext = [] + for head in heads: + headtext.append(head.text) + self.table(title, headtext, fRows) + + def table(self, title, heads, rows): + """ Print a table with autosized columns """ + + # Pad the rows to the number of heads + for row in rows: + diff = len(heads) - len(row) + for idx in range(diff): + row.append("") + + 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)) + + def duration(self, nsec): + if nsec < 0: nsec = 0 + sec = nsec / 1000000000 + min = sec / 60 + hour = min / 60 + day = hour / 24 + result = "" + if day > 0: + result = "%dd " % day + if hour > 0 or result != "": + result += "%dh " % (hour % 24) + if min > 0 or result != "": + result += "%dm " % (min % 60) + result += "%ds" % (sec % 60) + return result + +class Sortable: + """ """ + def __init__(self, row, sortIndex): + self.row = row + self.sortIndex = sortIndex + if sortIndex >= len(row): + raise Exception("sort index exceeds row boundary") + + def __cmp__(self, other): + return cmp(self.row[self.sortIndex], other.row[self.sortIndex]) + + def getRow(self): + return self.row + +class Sorter: + """ """ + def __init__(self, heads, rows, sortCol, limit=0, inc=True): + col = 0 + for head in heads: + if head.text == sortCol: + break + col += 1 + if col == len(heads): + raise Exception("sortCol '%s', not found in headers" % sortCol) + + list = [] + for row in rows: + list.append(Sortable(row, col)) + list.sort() + if not inc: + list.reverse() + count = 0 + self.sorted = [] + for row in list: + self.sorted.append(row.getRow()) + count += 1 + if count == limit: + break + + def getSorted(self): + return self.sorted |