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#!/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
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