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Groups > comp.lang.python > #101978

Re: importing: what does "from" do?

From John Gordon <gordon@panix.com>
Newsgroups comp.lang.python
Subject Re: importing: what does "from" do?
Date 2016-01-21 15:59 +0000
Organization PANIX Public Access Internet and UNIX, NYC
Message-ID <n7qv8j$qq7$1@reader1.panix.com> (permalink)
References <n7qpel$a3j$1@dont-email.me> <n7qtl1$2uk$1@reader1.panix.com> <n7qu0c$a3j$3@dont-email.me> <n7qudb$81b$1@reader1.panix.com> <n7qugv$a3j$4@dont-email.me>

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In <n7qugv$a3j$4@dont-email.me> "Charles T. Smith" <cts.private.yahoo@gmail.com> writes:

> > How did this error come up?  Did the code work previously?  If so, what
> > changed?

> The developers of this legacy code had this as well as other functions
> duplicated throughout the system, in order to avoid confronting these
> issues.

Yes, but did the code work previously?  If so, what changed?

> I'm trying to untangle the mess - without rewriting thousands of lines
> of application code.

At worst you'd have to move some things into a new module, and change the
statements that import those things.  You shouldn't have to rewrite any of
the actual code.

-- 
John Gordon                   A is for Amy, who fell down the stairs
gordon@panix.com              B is for Basil, assaulted by bears
                                -- Edward Gorey, "The Gashlycrumb Tinies"

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Thread

importing: what does "from" do? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-01-21 14:20 +0000
  Re: importing: what does "from" do? Ian Kelly <ian.g.kelly@gmail.com> - 2016-01-21 07:52 -0700
    Re: importing: what does "from" do? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-01-21 15:12 +0000
      Re: importing: what does "from" do? Ian Kelly <ian.g.kelly@gmail.com> - 2016-01-21 08:59 -0700
        Re: importing: what does "from" do? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-01-21 16:30 +0000
          Re: importing: what does "from" do? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-01-21 16:41 +0000
      Re: importing: what does "from" do? Steven D'Aprano <steve@pearwood.info> - 2016-01-22 03:22 +1100
  Re: importing: what does "from" do? John Gordon <gordon@panix.com> - 2016-01-21 15:31 +0000
    Re: importing: what does "from" do? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-01-21 15:37 +0000
      Re: importing: what does "from" do? John Gordon <gordon@panix.com> - 2016-01-21 15:44 +0000
        Re: importing: what does "from" do? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-01-21 15:46 +0000
          Re: importing: what does "from" do? John Gordon <gordon@panix.com> - 2016-01-21 15:59 +0000
        Re: importing: what does "from" do? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-01-21 15:53 +0000
          Re: importing: what does "from" do? Steven D'Aprano <steve@pearwood.info> - 2016-01-22 03:28 +1100
  Re: importing: what does "from" do? Rustom Mody <rustompmody@gmail.com> - 2016-01-21 23:03 -0800
    Refactoring in a large code base (was: importing: what does "from" do?) Ben Finney <ben+python@benfinney.id.au> - 2016-01-22 18:54 +1100
      Re: Refactoring in a large code base Marko Rauhamaa <marko@pacujo.net> - 2016-01-22 10:29 +0200
        Re: Refactoring in a large code base Rustom Mody <rustompmody@gmail.com> - 2016-01-22 01:21 -0800
          Re: Refactoring in a large code base Marko Rauhamaa <marko@pacujo.net> - 2016-01-22 12:19 +0200
            Re: Refactoring in a large code base Chris Angelico <rosuav@gmail.com> - 2016-01-22 22:19 +1100
              Re: Refactoring in a large code base Marko Rauhamaa <marko@pacujo.net> - 2016-01-22 13:54 +0200
                Re: Refactoring in a large code base Chris Angelico <rosuav@gmail.com> - 2016-01-22 23:28 +1100
                Re: Refactoring in a large code base Marko Rauhamaa <marko@pacujo.net> - 2016-01-22 15:00 +0200
                Re: Refactoring in a large code base Chris Angelico <rosuav@gmail.com> - 2016-01-23 00:26 +1100
                Re: Refactoring in a large code base Marko Rauhamaa <marko@pacujo.net> - 2016-01-22 15:48 +0200
                Re: Refactoring in a large code base Chris Angelico <rosuav@gmail.com> - 2016-01-23 01:09 +1100
              Re: Refactoring in a large code base Rustom Mody <rustompmody@gmail.com> - 2016-01-22 04:04 -0800
                Re: Refactoring in a large code base Marko Rauhamaa <marko@pacujo.net> - 2016-01-22 14:21 +0200
                Re: Refactoring in a large code base Thomas Mellman <tmellman@web.de> - 2016-01-22 12:27 +0000
                Re: Refactoring in a large code base Chris Angelico <rosuav@gmail.com> - 2016-01-22 23:34 +1100
                Re: Refactoring in a large code base Rustom Mody <rustompmody@gmail.com> - 2016-01-22 05:30 -0800
                Re: Refactoring in a large code base Marko Rauhamaa <marko@pacujo.net> - 2016-01-22 15:43 +0200
                Re: Refactoring in a large code base Rustom Mody <rustompmody@gmail.com> - 2016-01-22 05:58 -0800
                Re: Refactoring in a large code base Chris Angelico <rosuav@gmail.com> - 2016-01-23 01:08 +1100
            Re: Refactoring in a large code base "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-01-22 11:45 +0000

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