Matthew Warren wrote: > > -----Original Message----- > > From: > > [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] > > rg] On Behalf Of Gal Diskin > > Sent: 05 October 2006 16:01 > > To: python-list@python.org > > Subject: building strings from variables > > > > Following a discussion with an associate at work about various ways to > > build strings from variables in python, I'd like to hear your opinions > > and preferred methods. The methods we discussed are: > > 1. some_string = "cd %s ; %s %d %s %s" % ( working_dir, ssh_cmd, > > some_count, some_param1, some_param2) > > > > 2. import string > > template = string.Template("cd $dir ; $cmd $count $param1 > > $param2") > > some_string = template.substitute(dict(dir=working_dir, > > > > cmd=ssh_cmd, > > > > count=some_count, > > > > pararm1=some_param1, > > > > param2=some_param2)) > > here you can use a couple of nice tricks by using class.__dict__ and > > globals() \ locals() dictionaries. > > > > 3. some_string = "cd "+working_dir+" ; "+ssh_cmd+ " > > "+str(some_count)+" "+some_param1+" "+some_param2 > > (all these are supposed to produce the same strings) > > > > Which methods do you know of \ prefer \ think is better because...? > > I will appreciate any opinions about the matter. > > :D > > I think, it would depend really on what your aims are (readable code, > fast string generation...), and how the vars you want to build the > string from are respresented in your code (is it natural to use a dict > etc..) > > I kicked off a conversation similar to this earlier today, and that was > my conclusion after helpful debate & advice. > > Matt. > > > This email is confidential and may be privileged. If you are not the intended > recipient please notify the sender immediately and delete the email from your > computer. > > You should not copy the email, use it for any purpose or disclose its > contents to any other person. > Please note that any views or opinions presented in this email may be > personal to the author and do not necessarily represent the views or opinions > of Digica. > It is the responsibility of the recipient to check this email for the > presence of viruses. Digica accepts no liability for any damage caused by any > virus transmitted by this email. > > UK: Phoenix House, Colliers Way, Nottingham, NG8 6AT UK > Reception Tel: + 44 (0) 115 977 1177 > Support Centre: 0845 607 7070 > Fax: + 44 (0) 115 977 7000 > http://www.digica.com > > SOUTH AFRICA: Building 3, Parc du Cap, Mispel Road, Bellville, 7535, South > Africa > Tel: + 27 (0) 21 957 4900 > Fax: + 27 (0) 21 948 3135 > http://www.digica.com
Matt, Thanks for replying. I tried looking up your discussion and I'm unsure if I found the right post. Would you mind linking to it? -- Gal Diskin [EMAIL PROTECTED] [EMAIL PROTECTED] Work: +972-4-865-1637 Cell: +972-54-7594166 -- http://mail.python.org/mailman/listinfo/python-list
