234 lines
6 KiB
Python
234 lines
6 KiB
Python
#!/usr/bin/env python
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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from time import strftime, gmtime
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class Header:
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""" """
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NONE = 1
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KMG = 2
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YN = 3
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Y = 4
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TIME_LONG = 5
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TIME_SHORT = 6
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DURATION = 7
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def __init__(self, text, format=NONE):
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self.text = text
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self.format = format
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def __repr__(self):
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return self.text
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def __str__(self):
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return self.text
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def formatted(self, value):
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try:
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if value == None:
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return ''
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if self.format == Header.NONE:
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return value
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if self.format == Header.KMG:
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return self.num(value)
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if self.format == Header.YN:
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if value:
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return 'Y'
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return 'N'
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if self.format == Header.Y:
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if value:
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return 'Y'
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return ''
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if self.format == Header.TIME_LONG:
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return strftime("%c", gmtime(value / 1000000000))
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if self.format == Header.TIME_SHORT:
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return strftime("%X", gmtime(value / 1000000000))
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if self.format == Header.DURATION:
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if value < 0: value = 0
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sec = value / 1000000000
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min = sec / 60
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hour = min / 60
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day = hour / 24
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result = ""
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if day > 0:
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result = "%dd " % day
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if hour > 0 or result != "":
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result += "%dh " % (hour % 24)
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if min > 0 or result != "":
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result += "%dm " % (min % 60)
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result += "%ds" % (sec % 60)
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return result
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except:
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return "?"
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def numCell(self, value, tag):
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fp = float(value) / 1000.
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if fp < 10.0:
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return "%1.2f%c" % (fp, tag)
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if fp < 100.0:
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return "%2.1f%c" % (fp, tag)
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return "%4d%c" % (value / 1000, tag)
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def num(self, value):
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if value < 1000:
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return "%4d" % value
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if value < 1000000:
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return self.numCell(value, 'k')
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value /= 1000
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if value < 1000000:
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return self.numCell(value, 'm')
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value /= 1000
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return self.numCell(value, 'g')
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class Display:
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""" Display formatting for QPID Management CLI """
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def __init__(self, spacing=2, prefix=" "):
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self.tableSpacing = spacing
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self.tablePrefix = prefix
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self.timestampFormat = "%X"
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def formattedTable(self, title, heads, rows):
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fRows = []
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for row in rows:
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fRow = []
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col = 0
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for cell in row:
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fRow.append(heads[col].formatted(cell))
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col += 1
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fRows.append(fRow)
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headtext = []
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for head in heads:
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headtext.append(head.text)
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self.table(title, headtext, fRows)
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def table(self, title, heads, rows):
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""" Print a table with autosized columns """
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# Pad the rows to the number of heads
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for row in rows:
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diff = len(heads) - len(row)
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for idx in range(diff):
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row.append("")
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print title
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if len (rows) == 0:
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return
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colWidth = []
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col = 0
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line = self.tablePrefix
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for head in heads:
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width = len (head)
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for row in rows:
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cellWidth = len (unicode (row[col]))
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if cellWidth > width:
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width = cellWidth
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colWidth.append (width + self.tableSpacing)
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line = line + head
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if col < len (heads) - 1:
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for i in range (colWidth[col] - len (head)):
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line = line + " "
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col = col + 1
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print line
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line = self.tablePrefix
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for width in colWidth:
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for i in range (width):
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line = line + "="
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print line
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for row in rows:
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line = self.tablePrefix
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col = 0
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for width in colWidth:
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line = line + unicode (row[col])
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if col < len (heads) - 1:
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for i in range (width - len (unicode (row[col]))):
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line = line + " "
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col = col + 1
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print line
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def do_setTimeFormat (self, fmt):
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""" Select timestamp format """
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if fmt == "long":
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self.timestampFormat = "%c"
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elif fmt == "short":
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self.timestampFormat = "%X"
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def timestamp (self, nsec):
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""" Format a nanosecond-since-the-epoch timestamp for printing """
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return strftime (self.timestampFormat, gmtime (nsec / 1000000000))
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def duration(self, nsec):
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if nsec < 0: nsec = 0
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sec = nsec / 1000000000
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min = sec / 60
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hour = min / 60
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day = hour / 24
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result = ""
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if day > 0:
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result = "%dd " % day
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if hour > 0 or result != "":
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result += "%dh " % (hour % 24)
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if min > 0 or result != "":
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result += "%dm " % (min % 60)
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result += "%ds" % (sec % 60)
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return result
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class Sortable:
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""" """
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def __init__(self, row, sortIndex):
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self.row = row
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self.sortIndex = sortIndex
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if sortIndex >= len(row):
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raise Exception("sort index exceeds row boundary")
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def __cmp__(self, other):
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return cmp(self.row[self.sortIndex], other.row[self.sortIndex])
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def getRow(self):
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return self.row
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class Sorter:
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""" """
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def __init__(self, heads, rows, sortCol, limit=0, inc=True):
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col = 0
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for head in heads:
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if head.text == sortCol:
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break
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col += 1
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if col == len(heads):
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raise Exception("sortCol '%s', not found in headers" % sortCol)
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list = []
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for row in rows:
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list.append(Sortable(row, col))
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list.sort(reverse=not inc)
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count = 0
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self.sorted = []
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for row in list:
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self.sorted.append(row.getRow())
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count += 1
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if count == limit:
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break
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def getSorted(self):
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return self.sorted
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