[Python-checkins] r50904 - python/trunk/Doc/lib/libshelve.tex

andrew.kuchling python-checkins at python.org
Fri Jul 28 14:45:55 CEST 2006


Author: andrew.kuchling
Date: Fri Jul 28 14:45:55 2006
New Revision: 50904

Modified:
   python/trunk/Doc/lib/libshelve.tex
Log:
Don't overwrite built-in name; add some blank lines for readability

Modified: python/trunk/Doc/lib/libshelve.tex
==============================================================================
--- python/trunk/Doc/lib/libshelve.tex	(original)
+++ python/trunk/Doc/lib/libshelve.tex	Fri Jul 28 14:45:55 2006
@@ -143,15 +143,17 @@
 del d[key]      # delete data stored at key (raises KeyError
                 # if no such key)
 flag = d.has_key(key)   # true if the key exists
-list = d.keys() # a list of all existing keys (slow!)
+klist = d.keys() # a list of all existing keys (slow!)
 
 # as d was opened WITHOUT writeback=True, beware:
 d['xx'] = range(4)  # this works as expected, but...
 d['xx'].append(5)   # *this doesn't!* -- d['xx'] is STILL range(4)!!!
+
 # having opened d without writeback=True, you need to code carefully:
 temp = d['xx']      # extracts the copy
 temp.append(5)      # mutates the copy
 d['xx'] = temp      # stores the copy right back, to persist it
+
 # or, d=shelve.open(filename,writeback=True) would let you just code
 # d['xx'].append(5) and have it work as expected, BUT it would also
 # consume more memory and make the d.close() operation slower.


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