/usr/lib/python2.7/dist-packages/PyMetrics/newFeatures24.py is in pymetrics 0.8.1-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 | """ Metrics for New Features introduced in Python 2.4.
$Id: newfeatures24.py,v 1.4 2005/09/17 04:28:12 rcharney Exp $
"""
__version__ = "$Revision: 1.1 $"[11:-2]
__author__ = 'Reg. Charney <pymetrics-at-charneyday.com>'
from metricbase import MetricBase
from globals import *
class NewFeatures24Metric( MetricBase ):
""" Compute simple metrics by function."""
firstPass = True
def __init__( self, context, runMetrics, metrics, pa, *args, **kwds ):
""" Count features introduced after v2.3."""
self.context = context
self.runMetrics = runMetrics
self.metrics = metrics
self.pa = pa
self.inFile = context['inFile']
self.prevTokText = ''
self.userDefinedSet = False
self.featureMetrics = {}
self.numGeneratorFunctions = 0
self.numGeneratorExpressions = 0
self.numListComprehension = 0
self.numClassProperties = 0
self.numClassVariables = 0
self.numClassFunctions = 0
self.numDecorators = 0
self.isGeneratorFunction = False
self.isGeneratorExpression = False
self.isListComprehension = False
self.usedInbuiltSets = False
self.usedDecorators = False
self.maybeSetKeyword = False
self.stackParenOrBracket = [];
self.featureMetrics['numGeneratorFunctions'] = 0
self.featureMetrics['numGeneratorExpressions'] = 0
self.featureMetrics['numListComprehensions'] = 0
self.featureMetrics['numModulesUsingSets'] = 0
self.featureMetrics['numDecorators'] = 0
if NewFeatures24Metric.firstPass:
self.runMetrics['modulesUsingGeneratorFunctions'] = []
self.runMetrics['modulesUsingGeneratorExpressions'] = []
self.runMetrics['modulesUsingListComprehension'] = []
self.runMetrics['modulesUsingSets'] = []
self.runMetrics['modulesUsingDecorators'] = []
NewFeatures24Metric.firstPass = False
def processToken( self, currentFcn, currentClass, tok, *args, **kwds ):
""" Collect token and context sensitive data for simple metrics."""
if tok.semtype == KEYWORD:
self.__handleKeywords( currentFcn, currentClass, tok, *args, **kwds )
elif tok.type == OP:
if self.maybeSetKeyword and tok.text == '(':
if not self.userDefinedSet:
self.usedInbuiltSets = True
self.maybeSetKeyword = False
elif tok.text == '(' or tok.text == '[':
self.stackParenOrBracket.append( tok.text )
elif tok.text == ')' or tok.text == ']':
if len( self.stackParenOrBracket ) > 0:
del self.stackParenOrBracket[-1]
elif tok.text == '@':
self.usedDecorators = True
self.featureMetrics['numDecorators'] += 1
elif tok.semtype == VARNAME:
if tok.text in ['set', 'frozenset']:
if not self.prevTokText in ['.', 'def', 'class']:
self.maybeSetKeyword = True
elif tok.semtype in [FCNNAME,CLASSNAME]:
# We need to ignore user-defined global set
# functions and classes.
if tok.text in ['set', 'frozenset']:
self.userDefinedSet = True
if tok.type != WS:
self.prevTokText = tok.text
return
def __handleKeywords( self, currentFcn, currentClass, tok, *args, **kwds ):
""" Check for generator functions or expressions and list comprehension."""
if tok.text == "yield":
self.isGeneratorFunction = True
elif tok.text == "for":
if len( self.stackParenOrBracket ) > 0:
punct = self.stackParenOrBracket[-1]
if punct == '(':
self.featureMetrics['numGeneratorExpressions'] += 1
elif punct == '[':
self.featureMetrics['numListComprehensions'] += 1
return
def processStmt( self, fcnName, className, stmt, *args, **kwds ):
""" Handle processing at end of statement."""
self.stackParenOrBracket = []
def processFunction( self, fcnName, className, block, *args, **kwds ):
""" Output stats at end of each function."""
if self.isGeneratorFunction:
self.featureMetrics['numGeneratorFunctions'] += 1
self.isGenerator = False
if self.usedInbuiltSets:
self.featureMetrics['numModulesUsingSets'] += 1
self.usedInbuiltSets = False
def processModule( self, moduleName, mod, *args, **kwds ):
""" Output stats at end of each module."""
self.moduleName = moduleName
if self.featureMetrics['numModulesUsingSets'] > 0:
self.runMetrics['modulesUsingSets'].append( moduleName )
if self.featureMetrics['numGeneratorFunctions'] > 0:
self.runMetrics['modulesUsingGeneratorFunctions'].append( moduleName )
if self.featureMetrics['numGeneratorExpressions'] > 0:
self.runMetrics['modulesUsingGeneratorExpressions'].append( moduleName )
if self.featureMetrics['numListComprehensions'] > 0:
self.runMetrics['modulesUsingListComprehension'].append( moduleName )
if self.featureMetrics['numDecorators'] > 0:
self.runMetrics['modulesUsingDecorators'].append( moduleName )
return
def processRun( self, run, *args, **kwds ):
""" Output stats at end of run."""
def __printHeader( printHeader ):
""" Only print heading if something in body of report."""
if printHeader:
print """Python 2.4 Features Used During Run"""
print """-----------------------------------"""
return False
def __printSubHeader( printHeader, key, desc ):
if len( self.runMetrics[key] ) > 0:
printHeader = __printHeader( printHeader )
h1 = "Modules using %s" % desc
h2 = '.'*len( h1 )
print
print h1
print h2
print
for modName in self.runMetrics[key]:
print modName
return False
printHeader = True
printHeader = __printSubHeader( printHeader,
'modulesUsingSets',
'builtin set/frozenset (PEP 218)' )
printHeader = __printSubHeader( printHeader,
'modulesUsingGeneratorFunctions',
'Generator Functions' )
printHeader = __printSubHeader( printHeader,
'modulesUsingGeneratorExpressions (PEP 289)',
'Generator Expressions' )
printHeader = __printSubHeader( printHeader,
'modulesUsingListComprehension',
'List Comprehension' )
printHeader = __printSubHeader( printHeader,
'modulesUsingDecorators',
'Decorators (PEP 318)' )
return None
def compute( self, *args, **kwds ):
""" Compute any values needed."""
try:
self.featureMetrics['%FunctionsThatAreGenerators'] = 100.0 * self.featureMetrics['numGeneratorFunctions']/self.metrics['numFunctions']
except (KeyError, ZeroDivisionError):
self.featureMetrics['%FunctionsThatAreGenerators'] = 0.0
return self.featureMetrics
def display( self, currentFcn=None ):
""" Display and return new features in 2.4 metrics for given function."""
def __printDisplayHdr():
""" Only print heading if something in body of report."""
h1 = """Python 2.4 Features Used in %s""" % self.inFile
h2 = '-'*len( h1 )
print h1
print h2
print
return False
printHeader = True
self.compute()
keyList = self.featureMetrics.keys()
keyList.sort()
for k in keyList:
if self.pa.zeroSw or self.featureMetrics[k]:
fmt = ( k[0] == '%' and "%14.2f %s" ) or "%11d %s"
if printHeader: printHeader = __printDisplayHdr()
print fmt % (self.featureMetrics[k],k)
print
return self.featureMetrics
if __name__=="__main__":
def Incr( init ):
for i in range(10):
yield i
s = set(i for i in range(0,10,2))
fs = frozenset(i for i in range(5))
print s, fs
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