Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #33373

Re: Python garbage collector/memory manager behaving strangely

Show all headers | View raw

aahz@pythoncraft.com (Aahz) writes:

> ...
>>>>     def readlines(f):
>>>>         lines = []
>>>>         while "f is not empty":
>>>>             line = f.readline()
>>>>             if not line: break
>>>>             if len(line) > 2 and line[-2:] == '|\n':
>>>>                 lines.append(line)
>>>>                 yield ''.join(lines)
>>>>                 lines = []
>>>>             else:
>>>>                 lines.append(line)
>>> 
>>> There's a few changes I'd make:
>>> I'd change the name to something else, so as not to shadow the built-in,
> ...
> Actually, as an experienced programmer, I *do* think it is confusing as
> evidenced by the mistake Dave made!  Segregated namespaces are wonderful
> (per Zen), but let's not pollute multiple namespaces with same name,
> either.
>
> It may not be literally shadowing the built-in, but it definitely
> mentally shadows the built-in.

I disagree with you. namespaces are there that in working
with a namespace I do not need to worry much about other
namespaces. Therefore, calling a function "readlines"
is very much justified (if it reads lines from a file), even
though there was a module around with name "readlines".
By the way, the module is named "readline" (not "readlines").

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

RE: Python garbage collector/memory manager behaving strangely "Jadhav, Alok" <alok.jadhav@credit-suisse.com> - 2012-09-17 10:28 +0800
  Re: Python garbage collector/memory manager behaving strangely alex23 <wuwei23@gmail.com> - 2012-09-16 20:25 -0700
    Re: Python garbage collector/memory manager behaving strangely 88888 Dihedral <dihedral88888@googlemail.com> - 2012-09-16 21:39 -0700
    Re: Python garbage collector/memory manager behaving strangely Dave Angel <d@davea.name> - 2012-09-17 06:46 -0400
      Re: Python garbage collector/memory manager behaving strangely Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-09-17 11:47 +0000
        Re: Python garbage collector/memory manager behaving strangely Dave Angel <d@davea.name> - 2012-09-17 08:03 -0400
        Re: Python garbage collector/memory manager behaving strangely aahz@pythoncraft.com (Aahz) - 2012-11-14 06:19 -0800
          Re: Python garbage collector/memory manager behaving strangely Dieter Maurer <dieter@handshake.de> - 2012-11-15 08:31 +0100
    RE: Python garbage collector/memory manager behaving strangely "Jadhav, Alok" <alok.jadhav@credit-suisse.com> - 2012-09-17 19:00 +0800
  Re: Python garbage collector/memory manager behaving strangely Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2012-11-15 12:20 +0100

csiph-web