42 lines
1.5 KiB
Bash
Executable File
42 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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function error_handler() {
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>&2 echo "Exited with BAD EXIT CODE '${2}' in ${0} script at line: ${1}."
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exit "$2"
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}
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trap 'error_handler ${LINENO} $?' ERR
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set -o errtrace -o errexit -o nounset
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# HELP: remove all unused functions from python files
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if ! command -v dead >/dev/null 2>&1; then
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echo "dead is not installed. installing..."
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echo "pip install dead"
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fi
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list_of_unused_things="$(dead | grep -E '^[a-z].*is never read')"
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filename_patterns_to_ignore="(codemod|migrations/versions|conftest.py|noxfile.py)"
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while read -r line; do
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function_name="$(echo "$line" | awk '{print $1}')"
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echo "possible function_name: ${function_name}"
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file_name_and_line_number="$(echo "$line" | perl -p -e "s/.*is never read, defined in //g")"
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file_name="$(echo "$file_name_and_line_number" | awk -F ':' '{print $1}')"
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if ! grep "def $function_name" "$file_name" >/dev/null 2>&1; then
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echo "skipping $function_name in ${file_name} because it's not a function"
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continue
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fi
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if grep -E "$filename_patterns_to_ignore" <<< "$file_name" >/dev/null 2>&1; then
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echo "skipping ${file_name} because it's in the list of files to ignore (probably because it is a false positive and actually used)"
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continue
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fi
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echo "trying to remove $function_name from: ${file_name}"
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if python bin/codemod/update_file_to_remove_function.py "$file_name" "$function_name"; then
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# TODO: run exhaustive tests, and if they pass, report success
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echo "function ${function_name} removed from ${file_name}. yay!"
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exit 0
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fi
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done <<< "$list_of_unused_things"
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