On 09/16/2018 05:12 PM, Thomas Weißschuh wrote:
> When reading lines from a text-mode fd strings are returned.
> These can not be decoded again into strings, breaking the logic in
> parser.
> Just make sure all files are opened in binary mode on Python 3, so the
> current logic keeps working.
> 
> This remains compatible with Python 2 and should have no functional
> change.
> 
> Signed-off-by: Thomas Weißschuh <[email protected]>
> ---
>  scripts/spdxcheck.py | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/scripts/spdxcheck.py b/scripts/spdxcheck.py
> index 839e190bbd7a..8f472f995d70 100755
> --- a/scripts/spdxcheck.py
> +++ b/scripts/spdxcheck.py
> @@ -250,12 +250,15 @@ if __name__ == '__main__':
>  
>      try:
>          if len(args.path) and args.path[0] == '-':
> -            parser.parse_lines(sys.stdin, args.maxlines, '-')
> +            parser.parse_lines(
> +                    # always get the binary fd
> +                    getattr(sys.stdin, 'buffer', sys.stdin),
> +                    args.maxlines, '-')

I think a slightly more "Pythonic" way to do this would be:

try:
    parser.parse_lines(sys.stdin.buffer, args.maxlines, '-')
except AttributeError:
    # Python 2 doesn't have a binary buffer interface on stdin
    parser.parse_lines(sys.stdin, args.maxlines, '-')

but they're equivalent so it's completely personal preference.
        
>          else:
>              if args.path:
>                  for p in args.path:
>                      if os.path.isfile(p):
> -                        parser.parse_lines(open(p), args.maxlines, p)
> +                        parser.parse_lines(open(p, 'rb'), args.maxlines, p)
>                      elif os.path.isdir(p):
>                          scan_git_subtree(repo.head.reference.commit.tree, p)
>                      else:
> 

For what it's worth:

Reviewed-by: Jeremy Cline <[email protected]>

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