py-depgraph
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py-depgraph
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	#!/usr/bin/env bash

	# generate dependency graph (in DOT(1) format) for all known python modules
	#
	# include by default both internal and external dependencies, but can asked to
	# include either or none of them (see --help)

	internal_modules=1
	external_modules=1
	while [ -n "$1" ] ; do
	if [ "$1" = "--no-internal" ] ; then
	internal_modules=0
	elif [ "$1" = "--no-external" ] ; then
	external_modules=0
	elif [ "$1" = "--help" -o "$1" = "-h" ] ; then
	echo "Usage: bin/py-depgraph [--no-internal] [--no-external] > FILE.dot"
	exit 1
	fi
	shift 1
	done

	pyrepos=$(bin/ls-py-modules) # available python repositories (with '-')

	declare -A pymods # available python modules (with '.')
	for repo in $pyrepos ; do
	pymod=${repo//-/.}
	pymods[$pymod]=1
	done

	echo "digraph swh_py_deps {"

	for pymod in ${!pymods[@]} ; do
	echo -e "\t\"$pymod\" ;"
	done

	getdeps() {
	grep -E -v '(^#\|^[[:space:]]*$)' "$1" \|
	sed 's/[<>=].*$//' \| # remove dep version pin
	tr 'A-Z' 'a-z' \|
	sed -E 's/\[\w+\]//'
	}

	for repo in $pyrepos ; do
	pymod=${repo//-/.}
	reqs_int="${repo}/requirements-swh.txt"
	reqs_ext="${repo}/requirements.txt"

	if [ "$internal_modules" -eq 1 -a -f "$reqs_int" ]; then
	for dep in $( getdeps "$reqs_int" ) ; do
	echo -e "\t\"${pymod}\" -> \"${dep}\" ;"
	done
	fi

	if [ "$external_modules" -eq 1 -a -f "$reqs_ext" ]; then
	for dep in $( getdeps "$reqs_ext" ) ; do
	echo -e "\t\"${dep}\" [style=dashed] ;"
	echo -e "\t\"${pymod}\" -> \"${dep}\" ;"
	done
	fi
	done \| sort -u

	echo "}"