41 lines
1.1 KiB
Hy
41 lines
1.1 KiB
Hy
#!/usr/bin/env hy
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; Copyright (c) Paul R. Tagliamonte <paultag@debian.org>, 2013 under the terms
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; of the Expat license, a copy of which you have should have recieved with
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; the source.
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(import sys)
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(defn parse-rfc822-file [path]
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"Parse an RFC822 file"
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(with-as (open path "r") fd
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(parse-rfc822-stream fd)))
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(defn parse-rfc822-stream [fd]
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"Parse an RFC822 stream"
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(setv bits {})
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(setv key null)
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(for [line fd]
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(if (in ":" line)
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(do (setv line (.split line ":" 1))
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(setv key (.strip (get line 0)))
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(setv val (.strip (get line 1)))
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(assoc bits key val))
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(do
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(if (= (.strip line) ".")
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(assoc bits key (+ (get bits key) "\n"))
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(assoc bits key (+ (get bits key) "\n" (.strip line)))))))
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bits)
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(setv block (parse-rfc822-file (get sys.argv 1)))
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(setv source (get block "Source"))
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(print source "is a(n)" (get block "Description"))
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(import-from sh apt-cache)
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(setv archive-block (parse-rfc822-stream (.show apt-cache source)))
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(print "The archive has version" (get archive-block "Version") "of" source)
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