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maint: Use flake8 to check python code

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Replace 'sc_prohibit_semicolon_at_eol_in_python' with generic 'sc_flake8' rule
to check python code style.

Now 'sc_flake8' just check the error E703: 'statement ends with a semicolon'.
In future, we could use '--select' to introduce more rules.

Signed-off-by: Shi Lei <shi_lei@massclouds.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Shi Lei 2019-09-18 12:19:43 +08:00 committed by Ján Tomko
parent caa1b711e8
commit bc1e4389f5
2 changed files with 16 additions and 5 deletions
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17
cfg.mk
View File

@ -812,11 +812,13 @@ sc_require_enum_last_marker:
exit 1; } || :
# In Python files we don't want to end lines with a semicolon like in C
sc_prohibit_semicolon_at_eol_in_python:
@prohibit='^[^#].*\;$$' \
in_vc_files='\.py$$' \
halt='python does not require to end lines with a semicolon' \
$(_sc_search_regexp)
sc_flake8:
@if [ -n "$(FLAKE8)" ]; then \
$(VC_LIST_EXCEPT) | $(GREP) '\.py$$' | xargs \
$(FLAKE8) --select E703 --show-source; \
else \
echo '$(ME): skipping test $@: flake8 not installed' 1>&2; \
fi
# mymain() in test files should use return, not exit, for nicer output
sc_prohibit_exit_in_tests:
@ -1140,6 +1142,11 @@ syntax-check: spacing-check test-wrap-argv \
echo "*****************************************************" >&2; \
echo "* cppi not installed, some checks have been skipped *" >&2; \
echo "*****************************************************" >&2; \
fi; \
if [ -z "$(FLAKE8)" ]; then \
echo "*****************************************************" >&2; \
echo "* flake8 not installed, sc_flake8 has been skipped *" >&2; \
echo "*****************************************************" >&2; \
fi
endif

4
configure.ac
View File

@ -704,6 +704,10 @@ AC_PATH_PROGS([PYTHON], [python3 python2 python])
if test -z "$PYTHON"; then
AC_MSG_ERROR(['python3', 'python2' or 'python' binary is required to build libvirt])
fi
AC_PATH_PROG([FLAKE8], [flake8])
if test -z "$FLAKE8"; then
AC_MSG_WARN(['flake8' binary is required to check python code style])
fi
AC_PATH_PROG([PERL], [perl])
if test -z "$PERL"; then
AC_MSG_ERROR(['perl' binary is required to build libvirt])