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checkpatch: use python3 to find codespell dictionary 

Commit 0ee3e7b889 ("checkpatch: get default codespell dictionary path
from package location") introduced the ability to search for the
codespell dictionary rather than hardcoding its path.

codespell requires Python 3.6 or above, but on some systems, the python
executable is a Python 2.7 interpreter.  In this case, searching for the
dictionary fails, subsequently making codespell fail:

  No codespell typos will be found - file '/usr/share/codespell/dictionary.txt': No such file or directory

So, use python3 to remove ambiguity.

In addition, when searching for dictionary.txt, do not check if the
codespell executable exists since,

 - checkpatch.pl only uses dictionary.txt, not the codespell
   executable.

 - codespell can be installed via a Python package manager, in which
   case the codespell executable may not be present in a typical $PATH,
   but a dictionary does exist.

Link: https://lkml.kernel.org/r/20220309180048.147672-1-sagarmp@cs.unc.edu
Signed-off-by: Sagar Patel <sagarmp@cs.unc.edu>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Sagar Patel 2022-03-23 16:06:05 -07:00 committed by Linus Torvalds
parent 05dc40e694
commit c882c6b1cb
1 changed files with 2 additions and 2 deletions
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4
scripts/checkpatch.pl
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@ -334,7 +334,7 @@ if ($user_codespellfile) {
} elsif (!(-f $codespellfile)) {
# If /usr/share/codespell/dictionary.txt is not present, try to find it
# under codespell's install directory: <codespell_root>/data/dictionary.txt
if (($codespell || $help) && which("codespell") ne "" && which("python") ne "") {
if (($codespell || $help) && which("python3") ne "") {
my $python_codespell_dict = << "EOF";
import os.path as op
@ -344,7 +344,7 @@ codespell_file = op.join(codespell_dir, 'data', 'dictionary.txt')
print(codespell_file, end='')
EOF
my $codespell_dict = `python -c "$python_codespell_dict" 2> /dev/null`;
my $codespell_dict = `python3 -c "$python_codespell_dict" 2> /dev/null`;
$codespellfile = $codespell_dict if (-f $codespell_dict);
}
}