[DRE-maint] Bug#952587: FTBFS with Ruby2.7: CSV.parse() doesn't parse CVS source file as expected

[Andrei POPESCU]

Control: reassign -1 ruby-espeak 1.0.4-1

On Mi, 26 feb 20, 14:17:36, Daniel Leidert wrote:
> Source: ruby-rspeak
> Version: 1.0.4-1
> Severity: serious
> Justification: FTBFS on amd64
> Tags: sid
> Usertags: ruby2.7-transition
> 
> Hi there,
> 
> the newly accepted ruby-espeak fails to test successfully with Ruby2.7. The
> reason seems that CSV.parse() has a behavior change. It does not parse the file
> test/fixtures/voices.txt anymore as it did. It seems using 
> 
> col_sep: ' '
> 
> is now interpreted literally. So fields separated by more then one space are
> not parsed as columns in a row. To demonstrate consider this line:
> 
> > Pty Language Age/Gender VoiceName       File        Other Langs
> >  5  af             M  afrikaans         af          
> 
> With ruby2.5 it is parsed like this:
> 
> > #<CSV::Row "Pty":"5" "Language":"af" "Age/Gender":"M" "VoiceName":"afrikaans"
> > "File":"af" "Other":nil "Langs":nil>
> 
> and with ruby2.7 like this:
> 
> > #<CSV::Row "Pty":nil "Language":"5" "Age/Gender":nil "VoiceName":"af" nil:nil
> > nil:nil nil:nil nil:nil nil:nil nil:nil "File":nil nil:nil nil:nil nil:nil
> > nil:nil nil:nil nil:"M" nil:nil "Other":"afrikaans" "Langs":nil nil:nil
> > nil:nil nil:nil nil:nil nil:nil nil:nil nil:nil nil:"af" nil:nil nil:nil
> > nil:nil nil:nil nil:nil nil:nil nil:nil nil:nil nil:nil nil:nil>
> 
> This seems intentional:
> https://github.com/ruby/csv/issues/67
> https://github.com/ruby/csv/commit/7798df60fed87251b26c1202eb251a7894b55469#diff-fd263cdff2717a557bddf1592762dba3R16
> 
> The file format is determined by the output of `espeak --voices` and cannot be
> changed.
> 
> Does anybody know, how to easily fix this, or is anybody up to add some magic
> to lib/espeak/voice.rb to deal with this?
> 
> Regards, Daniel



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