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Date: Sun, 12 Jan 2014 08:19:10 -0800 (PST)
From: Albert-Jan Roskam <fomcl@yahoo.com>
Subject: Re: Problem writing some strings (UnicodeEncodeError)
To: python-list@python.org, Paulo da Silva <p_s_d_a_s_i_l_v_a@netcabo.pt>
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On Sun, 1/12/14, Paulo da Silva <p_s_d_a_s_i_l_v_a@netcabo.pt> wrote:

 Subject: Problem writing some strings (UnicodeEncodeError)
 To: python-list@python.org
 Date: Sunday, January 12, 2014, 4:36 PM
=20
 Hi!
=20
 I am using a python3 script to produce a bash script from
 lots of
 filenames got using os.walk.
=20
 I have a template string for each bash command in which I
 replace a
 special string with the filename and then write the command
 to the bash
 script file.
=20
 Something like this:
=20
 shf=3Dopen(bashfilename,'w')
 filenames=3Dgetfilenames() # uses os.walk
 for fn in filenames:
 =A0=A0=A0 ...
 =A0=A0=A0 cmd=3Dtempl.replace("<fn>",fn)
 =A0=A0=A0 shf.write(cmd)
=20
 For certain filenames I got a UnicodeEncodeError exception
 at
 shf.write(cmd)!
 I use utf-8 and have # -*- coding: utf-8 -*- in the source
 .py.
=20
 How can I fix this?
=20
 Thanks for any help/comments.
=20

=3D=3D=3D=3D=3D=3D> what is the output of locale.getpreferredencoding(False=
)? That is the default value of the "encoding" parameter of the open functi=
on.
 shf=3Dopen(bashfilename,'w', encoding=3D'utf-8') might work, though on my =
Linux macine  locale.getpreferredencoding(False) returns utf-8.
help(open)
...
   In text mode, if encoding is not specified the encoding used is platform
    dependent: locale.getpreferredencoding(False) is called to get the
    current locale encoding. (For reading and writing raw bytes use binary
    mode and leave encoding unspecified.)
...