ranges2geo.py
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ranges2geo.py
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	#!/usr/bin/env python3

	# -------------------------------------------------------------
	# Convert CIDR ranges into map for ngx_http_geo_module
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
	# Project: Nasqueron
	# License: BSD-2-Clause
	# -------------------------------------------------------------


	import sys


	# -------------------------------------------------------------
	# Formatter for ngx_http_geo_module
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


	def get_geo_entry(line):
	line = line.strip()

	if line == "":
	return line
	elif line.startswith("#"):
	return " " + line

	return f" {line} 1;"


	# -------------------------------------------------------------
	# Application entry point
	# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


	def run(ranges_path):
	print("geo $range {")
	print(" default 0;")
	print()

	with open(ranges_path) as fd:
	for line in fd:
	print(get_geo_entry(line))

	print("}")


	if __name__ == "__main__":
	argc = len(sys.argv)

	if argc < 2:
	print(f"Usage: {sys.argv[0]} <ranges file>", file=sys.stderr)
	sys.exit(1)

	run(sys.argv[1])