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annotate mx/outputparser.py @ 7564:c420a487b10f

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changed convention for specifying constants versus named groups in a template for a value to extract from the output of a benchmark execution
author Doug Simon <doug.simon@oracle.com>
date Wed, 30 Jan 2013 11:33:31 +0100
parents 3aab15f42934
children a8bc60aeacb8
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1 # ----------------------------------------------------------------------------------------------------
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2 #
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3 # Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
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4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 #
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6 # This code is free software; you can redistribute it and/or modify it
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7 # under the terms of the GNU General Public License version 2 only, as
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8 # published by the Free Software Foundation.
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9 #
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10 # This code is distributed in the hope that it will be useful, but WITHOUT
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 # version 2 for more details (a copy is included in the LICENSE file that
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14 # accompanied this code).
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15 #
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16 # You should have received a copy of the GNU General Public License version
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17 # 2 along with this work; if not, write to the Free Software Foundation,
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18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 #
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20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 # or visit www.oracle.com if you need additional information or have any
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22 # questions.
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23 #
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24 # ----------------------------------------------------------------------------------------------------
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25
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26 class OutputParser:
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27
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28 def __init__(self):
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29 self.matchers = []
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30
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31 def addMatcher(self, matcher):
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32 self.matchers.append(matcher)
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33
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34 def parse(self, output):
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35 records = []
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36 for matcher in self.matchers:
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37 record = matcher.parse(output)
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38 if record:
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39 records.append(record)
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40 return records
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41
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42 """
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43 Produces some named values for some given text if it matches a given
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44 regular expression. The named values are specified by a dictionary
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45 where any keys or value may be expressed as named group in the
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parents: 7563
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46 regular expression. A named group is enclosed in '<' and '>'.
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47 """
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48 class ValuesMatcher:
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49
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50 def __init__(self, regex, valuesTemplate):
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51 assert isinstance(valuesTemplate, dict)
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52 self.regex = regex
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53 self.valuesTemplate = valuesTemplate
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54
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55 def parse(self, text):
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56 match = self.regex.search(text)
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57 if not match:
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58 return False
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59 values = {}
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60 for key, value in self.valuesTemplate.items():
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61 values[self.get_template_value(match, key)] = self.get_template_value(match, value)
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62
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63 return values
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64
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65
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66 def get_template_value(self, match, template):
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67 if template.startswith('<'):
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68 assert template.endswith('>')
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69 groupName = template[1:-1]
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70 return match.group(groupName)
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71 else:
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72 return template