Mercurial > hg > truffle

annotate mx/outputparser.py @ 4151:cb22fcb2e2fc

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author Gilles Duboscq <gilles.m.duboscq@gmail.com>
date Tue, 20 Dec 2011 15:48:29 +0100
parents
children a2caa019ba3a
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4151
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Gilles Duboscq <gilles.m.duboscq@gmail.com>
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1 import mx
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2 import commands
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3
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4 class OutputParser:
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5
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6 def __init__(self, nonZeroIsFatal=True):
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7 self.matchers = []
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8 self.nonZeroIsFatal = nonZeroIsFatal
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9
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10 def addMatcher(self, matcher):
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11 self.matchers.append(matcher)
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12
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13 def parse(self, cmd, cwd=None):
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14 ret = [{}]
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15
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16 def parseLine(line):
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17 line = line.strip()
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18 anyMatch = False
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19 for matcher in self.matchers:
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20 parsed = matcher.parse(line)
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21 if parsed:
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22 anyMatch = True
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23 if matcher.startNewLine and len(ret[0]) > 0:
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24 ret.append({})
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25 ret[len(ret)-1].update(parsed)
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26 if anyMatch :
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27 mx.log(line)
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28 else :
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29 mx.log('# ' + line)
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30
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31 commands.vm(cmd, nonZeroIsFatal=self.nonZeroIsFatal, out=parseLine, err=parseLine, cwd=cwd)
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32 return ret
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33
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34 class Matcher:
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35
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36 def __init__(self, regex, valuesToParse, startNewLine=False):
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37 assert isinstance(valuesToParse, dict)
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38 self.regex = regex
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39 self.valuesToParse = valuesToParse
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40 self.startNewLine = startNewLine
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41
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42 def parse(self, line):
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43 match = self.regex.search(line)
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44 if not match:
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45 return False
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46 ret = {}
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47 for key, value in self.valuesToParse.items():
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48 ret[self.parsestr(match, key)] = self.parsestr(match, value)
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49 return ret
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50
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51 def parsestr(self, match, key):
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52 if isinstance(key, tuple):
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53 if len(key) != 2:
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54 raise Exception('Tuple arguments must have a lenght of 2')
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55 tup1, tup2 = key
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56 # check if key is a function
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57 if hasattr(tup1, '__call__'):
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58 return tup1(self.parsestr(match, tup2))
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59 elif hasattr(tup2, '__call__'):
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60 return tup2(self.parsestr(match, tup1))
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61 else:
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62 raise Exception('Tuple must contain a function pointer')
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63 elif key.startswith('const:'):
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64 return key.split(':')[1]
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65 else:
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66 return match.group(key)