45. class HitCount: Hit counts for one
URL
For a discussion of the design of this class, see Section 2.1, “Data structures”. We use a new-style class
with a __slots__ attribute to conserve
storage, since there will be a lot of instances of this
class.
webstats.py
# - - - - - c l a s s H i t C o u n t
class HitCount(object):
'''Represents the access data for one URL in the report period.
Exports:
HitCount ( url ):
[ url is a URL as a string ->
return a new HitCount instance for that URL and
zero access counts ]
.url: [ as passed to constructor, read-only ]
.nTotal: [ total hits in self as an int ]
.nFar: [ total off-campus hits in self as an int ]
.addHit ( isFar ):
[ isFar is True for off-campus, False otherwise ->
if isFar ->
self := self with one additional total hit
and one additional off-campus hit
else ->
self := self with one additional total hit ]
.__cmp__(self, other):
[ if self.nTotal < other.nTotal ->
return a positive int
else self.nTotal > other.nTotal ->
return a negative int
else ->
return cmp(self.url, other.url) ]
'''
__slots__ = ('nTotal', 'nFar', 'url')
