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Groups > comp.lang.python > #49608

Re: OSError [Errno 26] ?!?!

Date 2013-07-02 15:15 +1000
From Cameron Simpson <cs@zip.com.au>
Subject Re: OSError [Errno 26] ?!?!
References <kqthtc$10l$1@news.grnet.gr>
Newsgroups comp.lang.python
Message-ID <mailman.4088.1372742561.3114.python-list@python.org> (permalink)

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On 02Jul2013 06:37, Νίκος <nikos@superhost.gr> wrote:
| After making a slightly chnage inside my pelatologio.py script
| substituting '*****' instead of '-----' for no apparent reason i
| receive the following error:
| 
| [Tue Jul 02 06:33:06 2013] [error] [client 46.12.97.148] OSError:
| [Errno 26] \\u0391\\u03c1\\u03c7\\u03b5\\u03af\\u03bf
| \\u03ba\\u03b5\\u03b9\\u03bc\\u03ad\\u03bd\\u03bf\\u03c5
| \\u03c3\\u03b5 \\u03c7\\u03c1

Errno 26 depends on your operating system. See "man 2 intro" for details.
But on my Mac and on a handle Linux system number 26 is:

   26 ETXTBSY Text file busy.  The new process was a pure procedure (shared
         text) file which was open for writing by another process, or
         while the pure procedure file was being executed an open call
         requested write access.

See the os.strerror function for printing the message from an errno number:

  http://docs.python.org/3/library/os.html#os.strerror

I'd say you're trying to write to a file you shouldn't be writing to.
Maybe an executable?

Try to get your script to print out the filename of whatever it was trying to
overwrite before the open() call.

Regarding the characters, I'd say they've been double escaped. Let's undo that:

  [/Users/cameron]fleet*> py3
  Python 3.3.2 (default, May 21 2013, 11:50:47)
  [GCC 4.2.1 Compatible Apple Clang 4.1 ((tags/Apple/clang-421.11.66))] on darwin
  Type "help", "copyright", "credits" or "license" for more information.
  >>> print('\\u0391\\u03c1\\u03c7\\u03b5\\u03af\\u03bf \\u03ba\\u03b5\\u03b9\\u03bc\\u03ad\\u03bd\\u03bf\\u03c5 \\u03c3\\u03b5 \\u03c7\\u03c1')
  \u0391\u03c1\u03c7\u03b5\u03af\u03bf \u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c3\u03b5 \u03c7\u03c1
  >>> print('\u0391\u03c1\u03c7\u03b5\u03af\u03bf \u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c3\u03b5 \u03c7\u03c1')
  Αρχείο κειμένου σε χρ
  >>>

I can't read that, but I'd hope you can.

| What is this OSError and these unicode characters besided it?
| Here is the complete traceback.

A traceback without code isn't terribly useful.

Cheers,
-- 
Cameron Simpson <cs@zip.com.au>

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OSError [Errno 26] ?!?! Νίκος <nikos@superhost.gr> - 2013-07-02 06:37 +0300
  Re: OSError [Errno 26] ?!?! Cameron Simpson <cs@zip.com.au> - 2013-07-02 15:15 +1000
    Re: OSError [Errno 26] ?!?! Νίκος <nikos@superhost.gr> - 2013-07-02 08:57 +0300
      Re: OSError [Errno 26] ?!?! Cameron Simpson <cs@zip.com.au> - 2013-07-02 17:21 +1000
        Re: OSError [Errno 26] ?!?! Νίκος <nikos@superhost.gr> - 2013-07-02 12:40 +0300
          Re: OSError [Errno 26] ?!?! Chris “Kwpolska” Warrick <kwpolska@gmail.com> - 2013-07-02 12:06 +0200
          Re: OSError [Errno 26] ?!?! Dave Angel <davea@davea.name> - 2013-07-02 08:00 -0400
            Re: OSError [Errno 26] ?!?! Νίκος <nikos@superhost.gr> - 2013-07-02 15:39 +0300
              Re: OSError [Errno 26] ?!?! Chris “Kwpolska” Warrick <kwpolska@gmail.com> - 2013-07-02 15:00 +0200
              Re: OSError [Errno 26] ?!?! Robert Kern <robert.kern@gmail.com> - 2013-07-02 14:58 +0100
                Re: OSError [Errno 26] ?!?! Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-03 00:19 +0000
                Re: Persistence of CGI (was: OSError [Errno 26] ?!?!) Tim Chase <python.list@tim.thechases.com> - 2013-07-02 19:57 -0500
              Python list code of conduct Steve Simmons <square.steve@gmail.com> - 2013-07-02 16:51 +0100
                Re: Python list code of conduct Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-03 00:42 +0000
              Re: Python list code of conduct Joshua Landau <joshua.landau.ws@gmail.com> - 2013-07-02 20:48 +0100
              Re: Python list code of conduct Skip Montanaro <skip@pobox.com> - 2013-07-02 15:33 -0500
              Re: Python list code of conduct Ned Deily <nad@acm.org> - 2013-07-02 13:52 -0700
                Re: Python list code of conduct Roy Smith <roy@panix.com> - 2013-07-02 19:46 -0400
                Re: Python list code of conduct Ned Deily <nad@acm.org> - 2013-07-02 17:07 -0700
                Re: Python list code of conduct Cameron Simpson <cs@zip.com.au> - 2013-07-03 10:10 +1000
                Bug reports [was Re: Python list code of conduct] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-03 00:52 +0000
                Re: Bug reports [was Re: Python list code of conduct] Joshua Landau <joshua.landau.ws@gmail.com> - 2013-07-03 02:12 +0100
                Re: Bug reports [was Re: Python list code of conduct] Chris Angelico <rosuav@gmail.com> - 2013-07-03 18:02 +1000
                Re: Bug reports [was Re: Python list code of conduct] Roy Smith <roy@panix.com> - 2013-07-03 10:03 -0400
                Re: Bug reports [was Re: Python list code of conduct] Chris Angelico <rosuav@gmail.com> - 2013-07-04 00:15 +1000
                Re: Bug reports [was Re: Python list code of conduct] Roy Smith <roy@panix.com> - 2013-07-03 10:23 -0400
                Re: Bug reports [was Re: Python list code of conduct] Chris Angelico <rosuav@gmail.com> - 2013-07-04 00:52 +1000
                Re: Bug reports [was Re: Python list code of conduct] Grant Edwards <invalid@invalid.invalid> - 2013-07-03 20:11 +0000
                Re: Bug reports [was Re: Python list code of conduct] Roy Smith <roy@panix.com> - 2013-07-03 16:31 -0400
                Re: Bug reports [was Re: Python list code of conduct] Grant Edwards <invalid@invalid.invalid> - 2013-07-03 21:52 +0000
                IPv6 deployment by ISPs (was: Bug reports) Ben Finney <ben+python@benfinney.id.au> - 2013-07-04 11:15 +1000
                Re: Python list code of conduct Terry Reedy <tjreedy@udel.edu> - 2013-07-03 02:18 -0400
                Re: Python list code of conduct Roy Smith <roy@panix.com> - 2013-07-03 10:10 -0400
                Re: Python list code of conduct Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-03 17:24 +0000
              Re: Python list code of conduct Ben Finney <ben+python@benfinney.id.au> - 2013-07-03 08:39 +1000
                Re: Python list code of conduct Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-07-03 06:18 +0000
              Re: Python list code of conduct Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-07-02 19:15 -0400
                Re: Python list code of conduct Neil Hodgson <nhodgson@iinet.net.au> - 2013-07-03 19:50 +1000
              Re: Python list code of conduct Ben Finney <ben+python@benfinney.id.au> - 2013-07-03 10:39 +1000
                Re: Python list code of conduct rusi <rustompmody@gmail.com> - 2013-07-03 04:50 -0700
                Re: Python list code of conduct Steve Simmons <square.steve@gmail.com> - 2013-07-03 15:18 +0100

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