39 lines
835 B
Python
39 lines
835 B
Python
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#!/usr/bin/env python3
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import csv
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import re
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import sys
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REGEX_FOOTNOTES = re.compile(r" \[\d+\]")
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REGEX_WHITESPACES = re.compile(r"\s+")
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def parse_iana_csv(csvfile):
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reader = csv.DictReader(csvfile)
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for row in reader:
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fmt = ""
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reachable = row["Globally Reachable"]
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if reachable == "":
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continue
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if "False" in reachable:
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fmt = "{}"
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elif "True" in reachable:
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fmt = "!{}"
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elif "N/A" in reachable:
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fmt = "#{}"
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else:
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fmt = "#[" + reachable + "]: {}"
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blocks = row["Address Block"]
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blocks = REGEX_FOOTNOTES.sub("", blocks)
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blocks = REGEX_WHITESPACES.sub("", blocks)
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for block in blocks.split(","):
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print(fmt.format(block))
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if __name__ == "__main__":
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def usage():
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print("Usage: {}".format(sys.argv[1]), file=sys.stderr)
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sys.exit(1)
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if len(sys.argv) != 1:
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usage()
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parse_iana_csv(sys.stdin)
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