84 lines
3.2 KiB
Plaintext
84 lines
3.2 KiB
Plaintext
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decl str flake8_options
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decl -hidden str flake8_tmp_dir
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decl -hidden line-flags flake8_flags
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decl -hidden str flake8_errors
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def flake8-lint -params 0..1 -docstring "Lint the contents of the current buffer with flake8" %{
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%sh{
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dir=$(mktemp -d -t kak-flake8.XXXXXXXX)
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mkfifo ${dir}/fifo
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echo "set buffer flake8_tmp_dir ${dir}"
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echo "write ${dir}/buf"
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}
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# end the previous %sh{} so that its output gets interpreted by kakoune
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# before launching the following as a background task.
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%sh{
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dir=${kak_opt_flake8_tmp_dir}
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echo "eval -draft %{
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edit! -fifo ${dir}/fifo *flake8-output*
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set buffer filetype make
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set buffer _make_current_error_line 0
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hook -group fifo buffer BufCloseFifo .* %{
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nop %sh{ rm -r ${dir} }
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rmhooks buffer fifo
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}
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}"
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# this runs in a detached shell, asynchronously, so that kakoune does
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# not hang while flake8 is running.
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(
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flake8 --ignore=${kak_opt_flake8_options} - < ${dir}/buf > ${dir}/stderr
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flags=$(cat ${dir}/stderr | sed -rne "
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/^stdin:[0-9]+:[0-9]+:? (W|F|C|N).*/ { s/^stdin:([0-9]+):.*/\1|{yellow}█/; p }
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/^stdin:[0-9]+:[0-9]+:? E.*/ { s/^stdin:([0-9]+):.*/\1|{red}█/; p }
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" | paste -s -d ':')
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errors=$(cat ${dir}/stderr | sed -rne "
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/^stdin:[0-9]+:[0-9]+:?.*/ { s/^stdin:([0-9]+):([0-9]+:)? (.*) /\1,\3/; s/'/\\\\'/g; p }
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" | sort -n)
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sed -e "s|<stdin>|${kak_bufname}|g" < ${dir}/stderr > ${dir}/fifo
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echo "set 'buffer=${kak_buffile}' flake8_flags %{${kak_timestamp}:${flags}}
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set 'buffer=${kak_buffile}' flake8_errors '${errors}'" | kak -p ${kak_session}
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) > /dev/null 2>&1 < /dev/null &
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}
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}
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def -hidden flake8-show-error-info %{ %sh{
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desc=$(printf %s "${kak_opt_flake8_errors}" | sed -ne "/^${kak_cursor_line},.*/ { s/^[[:digit:]]\+,//g; s/'/\\\\'/g; p }")
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if [ -n "$desc" ]; then
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echo "info -anchor ${kak_cursor_line}.${kak_cursor_column} '${desc}'"
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fi
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} }
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def flake8-enable-diagnostics -docstring "Activate automatic diagnostics of the code by flake8" %{
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addhl flag_lines default flake8_flags
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hook window -group flake8-diagnostics NormalIdle .* %{ flake8-show-error-info }
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}
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def flake8-disable-diagnostics -docstring "Disable automatic diagnostics of the code" %{
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rmhl hlflags_flake8_flags
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rmhooks window flake8-diagnostics
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}
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def flake8-diagnostics-next -docstring "Jump to the next line that contains an error" %{ %sh{
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printf "%s\n" "${kak_opt_flake8_errors}" | (
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line=-1
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first_line=-1
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while read line_content; do
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candidate=${line_content%%,*}
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if [ -n "$candidate" ]; then
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first_line=$(( first_line == -1 ? candidate : first_line ))
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line=$((candidate > kak_cursor_line && (candidate < line || line == -1) ? candidate : line ))
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fi
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done
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line=$((line == -1 ? first_line : line))
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if [ ${line} -ne -1 ]; then
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echo "exec ${line} g"
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else
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echo 'echo -color Error no next flake8 diagnostic'
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fi
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)
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} }
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