/usr/lib/python2.7/dist-packages/PyMetrics/mccabe.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 | """ Compute McCabe's Cyclomatic Metric.
This routine computes McCabe's Cyclomatic metric for each function
in a module/file.
$Id: mccabe.py,v 1.3 2005/09/17 04:28:12 rcharney Exp $
"""
__version__ = "$Revision: 1.3 $"[11:-2]
__author__ = 'Reg. Charney <pymetrics@charneyday.com>'
from metricbase import MetricBase
McCabeKeywords = {
'assert':0,
'break':1,
'continue':1,
'elif':1,
'else':1,
'for':1,
'if':1,
'while':1
}
class McCabeMetric( MetricBase ):
""" Compute McCabe's Cyclomatic McCabeMetric by function."""
def __init__( self, context, runMetrics, metrics, pa, *args, **kwds ):
self.context = context
self.runMetrics = runMetrics
self.metrics = metrics
self.pa = pa
self.inFile = context['inFile']
self.fcnNames = {}
def processToken( self, fcnName, className, tok, *args, **kwds ):
""" Increment number of decision points in function."""
if tok and tok.text in McCabeKeywords:
self.fcnNames[fcnName] = self.fcnNames.get(fcnName,0) + 1
def processFunction( self, fcnName, className, fcn, *args, **kwds ):
""" Increment number of decision points in function."""
self.fcnNames[fcnName] = self.fcnNames.get(fcnName,0) + 1
def display( self ):
""" Display McCabe Cyclomatic metric for each function """
result = {}
# the next three lines ensure that fcnNames[None] is treated
# like fcnNames['__main__'] and are sorted into alphabetical
# order.
if self.fcnNames.has_key(None):
self.fcnNames['__main__'] = self.fcnNames.get(None,0)
del self.fcnNames[None]
if self.pa.quietSw:
return result
hdr = "\nMcCabe Complexity Metric for file %s" % self.inFile
print hdr
print "-"*len(hdr) + "\n"
keyList = self.fcnNames.keys()
if len( keyList ) > 0:
keyList.sort()
for k in keyList:
if k:
name = k
else:
name = "__main__"
print "%11d %s" % (self.fcnNames[k],name)
result[k] = self.fcnNames[k]
else:
print "%11d %s" % (1,'__main__')
result['__main__'] = 1
print
return result
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