[Tutor] FW: another newbie
j mercedes
jrodriguo at hotmail.com
Mon Apr 13 04:21:21 CEST 2009
hi, its me again jay, thanks alot everyone for your input on the last program i created that solved for the mode,mean, and average of a set of numbers it actually worked great...i used the import in a bit different method but still very valuable...if anyone can give me any ideas on this program i am doing now it would definetly be appreciated here it goes:import shelveimport stringUNKNOWN = 0HOME = 1WORK = 2FAX = 3CELL = 4class phoneentry: def __init__(self, name = 'Unknown', number = 'Unknown',type = UNKNOWN): self.name = name self.number = number self.type = type# create string representationdef __repr__(self): return('%s:%d' % ( self.name, self.type ))# fuzzy compare or two itemsdef __cmp__(self, that): this = string.lower(str(self)) that = string.lower(that) if string.find(this, that) >= 0: return(0) return(cmp(this, that))def showtype(self): if self.type == UNKNOWN: return('Unknown') if self.type == HOME: return('Home') if self.type == WORK: return('Work') if self.type == FAX: return('Fax') if self.type == CELL: return('Cellular')class phonedb: def __init__(self, dbname = 'phonedata'): self.dbname = dbname; self.shelve = shelve.open(self.dbname);def __del__(self): self.shelve.close() self.shelve = Nonedef add(self, name, number, type = HOME): e = phoneentry(name, number, type) self.shelve[str(e)] = edef lookup(self, string): list = [] for key in self.shelve.keys(): e = self.shelve[key] if cmp(e, string) == 0: list.append(e) return(list)# if not being loaded as a module, run a small testif __name__ == '__main__': foo = phonedb() foo._add_('Sean Reifschneider', '970-555-1111', HOME) foo.add('Sean Reifschneider', '970-555-2222', CELL) foo.add('Evelyn Mitchell', '970-555-1111', HOME)print 'First lookup:'for entry in foo.lookup('reifsch'): print '%-40s %s (%s)' % ( entry.name, entry.number, entry.showtype())print 'Second lookup:'for entry in foo.lookup('e'): print '%-40s %s (%s)' % ( entry.name, entry.number, entry.showtype() )
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