On Thu, Aug 7, 2025 at 4:53 PM Aaron Conole <[email protected]> wrote:
>
> Mike Pattrick via dev <[email protected]> writes:
>
> > On Thu, Aug 7, 2025 at 2:07 PM Eli Oliver via dev
> > <[email protected]> wrote:
> >>
> >> Checkpatch is used to do spell checking for C files, currently. However,
> >> python code is also a routine part of the Open vSwitch suite, and it should
> >> also receive spell checking where possible.
> >>
> >> This patch adds an initial implementation of spell checking to checkpatch
> >> that will catch all of the comments starting with '#', and some of the
> >> doc-string lines. Future work would implement a more robust python
> >> parser that will handle doc-string entries.
> >>
> >> Signed-off-by: Eli Oliver <[email protected]>
> >> ---
> >> tests/checkpatch.at | 64 +++++++++++++++++++++++++++++++++--------
> >> utilities/checkpatch.py | 31 ++++++++++++++++----
> >> 2 files changed, 78 insertions(+), 17 deletions(-)
> >>
> >> diff --git a/tests/checkpatch.at b/tests/checkpatch.at
> >> index 994876e08..17bb74c43 100755
> >> --- a/tests/checkpatch.at
> >> +++ b/tests/checkpatch.at
> >> @@ -39,34 +39,55 @@ Subject: Patch this is.
> >> fi
> >> }
> >>
> >> -# try_checkpatch_c_file SOURCE [ERRORS] [CHECKPATCH-ARGS] [FILTER]
> >> +# try_checkpatch_file FILENAME SOURCE [ERRORS] [CHECKPATCH-ARGS] [FILTER]
> >> #
> >> -# Runs checkpatch against test SOURCE expecting the set of specified
> >> -# ERRORS (and warnings). Optionally, sets [CHECKPATCH-ARGS]. The
> >> -# optional FILTER can be used to adjust the expected output before
> >> +# Runs checkpatch against FILENAME with SOURCE contents, expecting the set
> >> +# of specified ERRORS (and warnings). Optionally, sets [CHECKPATCH-ARGS].
> >> +# The optional FILTER can be used to adjust the expected output before
> >> # processing.
> >> -try_checkpatch_c_file() {
> >> - echo "$1" | sed 's/^ //' > test.c
> >> +try_checkpatch_file() {
> >> + local FILENAME="$1"
> >> + echo "$2" | sed 's/^ //' > "$FILENAME"
> >>
> >> - # Take expected output from $2.
> >> - if test -n "$2"; then
> >> - echo "$2" | sed 's/^ //' > expout
> >> + # Take expected output from $3.
> >> + if test -n "$3"; then
> >> + echo "$3" | sed 's/^ //' > expout
> >> else
> >> : > expout
> >> fi
> >>
> >> if test -s expout; then
> >> AT_CHECK([OVS_SRC_DIR=$top_srcdir $PYTHON3 \
> >> - $top_srcdir/utilities/checkpatch.py $3 -q -f test.c],
> >> + $top_srcdir/utilities/checkpatch.py $4 -q -f
> >> "$FILENAME"],
> >> [1], [stdout])
> >> - AT_CHECK([sed "$4
> >> + AT_CHECK([sed "$5
> >> /^Lines checked:/d
> >> /^$/d" stdout], [0], [expout])
> >> else
> >> AT_CHECK([OVS_SRC_DIR=$top_srcdir $PYTHON3 \
> >> - $top_srcdir/utilities/checkpatch.py $3 -q -f test.c])
> >> + $top_srcdir/utilities/checkpatch.py $4 -q -f
> >> "$FILENAME"])
> >> fi
> >> }
> >> +
> >> +# try_checkpatch_c_file SOURCE [ERRORS] [CHECKPATCH-ARGS] [FILTER]
> >> +#
> >> +# Runs checkpatch against "C" SOURCE contents, expecting the set of
> >> +# specified ERRORS (and warnings). Optionally, sets [CHECKPATCH-ARGS].
> >> +# The optional FILTER can be used to adjust the expected output before
> >> +# processing.
> >> +try_checkpatch_c_file() {
> >> + try_checkpatch_file "test.c" "$@"
> >> +}
> >> +
> >> +# try_checkpatch_py_file SOURCE [ERRORS] [CHECKPATCH-ARGS] [FILTER]
> >> +#
> >> +# Runs checkpatch against "Python" SOURCE contents, expecting the set of
> >> +# specified ERRORS (and warnings). Optionally, sets [CHECKPATCH-ARGS].
> >> +# The optional FILTER can be used to adjust the expected output before
> >> +# processing.
> >> +try_checkpatch_py_file() {
> >> + try_checkpatch_file "test.py" "$1"
> >> +}
> >> OVS_END_SHELL_HELPERS
> >>
> >> AT_SETUP([checkpatch - sign-offs])
> >> @@ -763,4 +784,23 @@ try_checkpatch_c_file \
> >> "" \
> >> "-S"
> >>
> >> +dnl Second check with some different words
> >> +try_checkpatch_c_file \
> >> + "/* This code is for my private prooperty. */
> >
> > Nit: property
> >
> >
> >> + " \
> >> + "WARNING: Possible misspelled word: \"prooperty\"
> >> + test.c:1:
> >> + /* This code is for my private prooperty. */" \
> >> + "-S" \
> >> + "/^Did you mean:/d"
> >> +
> >> +try_checkpatch_py_file \
> >> + "# This is a python file with an intentionaly misspelt word.
> >
> > Nit: intentionally
>
> Just a note, I think the point is for these to be misspelled and cause
> checkpatch to emit the warning. So I think they should stay as-is :)
Opa good point
-M
>
> >> + # The user wants to check if it's working." \
> >> + "WARNING: Possible misspelled word: \"intentionaly\"
> >> + test.py:1:
> >> + # This is a python file with an intentionaly misspelt word." \
> >> + "-S" \
> >> + "/^Did you mean:/d"
> >> +
> >> AT_CLEANUP
> >> diff --git a/utilities/checkpatch.py b/utilities/checkpatch.py
> >> index 28d0977eb..88d74b717 100755
> >> --- a/utilities/checkpatch.py
> >> +++ b/utilities/checkpatch.py
> >> @@ -384,15 +384,32 @@ def filter_comments(current_line, keep=False):
> >> return sanitized_line
> >>
> >>
> >> -def check_spelling(line, comment):
> >> +NOT_COMMENT = 0
> >> +C_COMMENT = 1
> >> +PY_COMMENT = 2
> >> +
> >> +
> >> +def check_spelling(line, comment_type):
> >> if not spell_check_dict or not spellcheck:
> >> return False
> >>
> >> is_name_tag = re.compile(r'^\s*([a-z-]+-by): (.*@.*)$', re.I | re.M |
> >> re.S)
> >> if line.startswith('Fixes: ') or is_name_tag.match(line):
> >> return False
> >> + if comment_type == NOT_COMMENT:
> >> + words = line
> >> + elif comment_type == C_COMMENT:
> >> + words = filter_comments(line, True)
> >> + elif comment_type == PY_COMMENT:
> >> + words = ""
> >> + matched = re.search(r'#[^!](.*)$', line)
> >> + if matched:
> >> + words = matched.group(0)[1:]
> >
> > Instead of
> >
> > matched = re.search(r'#[^!](.*)$', line)
> > matched.group(0)[1:]
> >
> > It is probably simpler to just include the whole comment in the group
> > and reference it by group ID. Eg:
> >
> > matched = re.search(r'#([^!].*)$', line)
> > matched.group(1)
>
> Agreed, it looks nicer to have matched.group(1)
>
> >> + else:
> >> + words = line.replace("'''", '').replace('"""', '').strip()
> >> + else:
> >> + return False
> >>
> >> - words = filter_comments(line, True) if comment else line
> >> words = words.replace(':', ' ').split(' ')
> >>
> >> flagged_words = []
> >> @@ -599,7 +616,11 @@ checks = [
> >>
> >> {'regex': r'(\.c|\.h)(\.in)?$', 'match_name': None,
> >> 'prereq': lambda x: has_comment(x),
> >> - 'check': lambda x: check_spelling(x, True)},
> >> + 'check': lambda x: check_spelling(x, comment_type=C_COMMENT)},
> >> +
> >> + {'regex': r'\.py(\.in)?$', 'match_name': None,
> >> + 'prereq': lambda x: "#" in x or "'''" in x or '"""' in x,
> >
> > Not all multiline strings in python are docstrings. However, it may
> > not make too much of a difference here.
> >
> >> + 'check': lambda x: check_spelling(x, PY_COMMENT)},
> >>
> >> {'regex': r'(\.c|\.h)(\.in)?$', 'match_name': None,
> >> 'check': lambda x: empty_return_with_brace(x),
> >> @@ -783,7 +804,7 @@ def run_file_checks(text):
> >> def run_subject_checks(subject, spellcheck=False):
> >> warnings = False
> >>
> >> - if spellcheck and check_spelling(subject, False):
> >> + if spellcheck and check_spelling(subject, comment_type=NOT_COMMENT):
> >> warnings = True
> >>
> >> summary = subject[subject.rindex(': ') + 2:]
> >> @@ -1005,7 +1026,7 @@ def ovs_checkpatch_parse(text, filename,
> >> author=None, committer=None):
> >> '--abbrev=12 COMMIT_REF\n')
> >> print("%d: %s\n" % (lineno, line))
> >> elif spellcheck:
> >> - check_spelling(line, False)
> >> + check_spelling(line, comment_type=NOT_COMMENT)
> >> for typo, correct in tags_typos.items():
> >> m = re.match(typo, line, re.I)
> >> if m:
> >> --
> >> 2.49.0
> >>
> >>
> >> _______________________________________________
> >> dev mailing list
> >> [email protected]
> >> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
> >>
> >
> > _______________________________________________
> > dev mailing list
> > [email protected]
> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>
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