nixpkgs/pkgs/development/interpreters/python/cpython/docs/generate.sh
2019-04-28 09:24:01 +02:00

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#!/usr/bin/env bash
TYPES="html pdf-a4 pdf-letter text"
URL=http://docs.python.org/ftp/python/doc/VERSION/python-VERSION-docs-TYPE.tar.bz2
VERSIONS=$(for major in 2 3; do curl https://docs.python.org/$major/archives/ 2>/dev/null | perl -l -n -e'/<a href="python-([23].[0-9].[0-9]+)-docs-html.tar.bz2/ && print $1' | tail -n 1; done)
echo "Generating expressions for:
${VERSIONS}
"
cat >default.nix <<EOF
{ stdenv, fetchurl, lib }:
let
pythonDocs = {
EOF
for type in $TYPES; do
cat >>default.nix <<EOF
${type/-/_} = {
recurseForDerivations = true;
EOF
for version in $VERSIONS; do
major=$(echo -n ${version}| cut -d. -f1)
minor=$(echo -n ${version}| cut -d. -f2)
outfile=${major}.${minor}-${type}.nix
hash=
if [ -e ${outfile} ]; then
currentversion=$(grep "url =" ${outfile} |cut -d/ -f7)
if [ ${version} = ${currentversion} ]; then
hash=$(grep sha256 ${outfile} | cut -d'"' -f2)
fi
fi
echo "Generating ${outfile}"
url=$(echo -n $URL |sed -e "s,VERSION,${version},g" -e "s,TYPE,${type},")
sha=$(nix-prefetch-url ${url} ${hash})
sed -e "s,VERSION,${version}," \
-e "s,MAJOR,${major}," \
-e "s,MINOR,${minor}," \
-e "s,TYPE,${type}," \
-e "s,URL,${url}," \
-e "s,SHA,${sha}," < template.nix > ${outfile}
attrname=python${major}${minor}
cat >>default.nix <<EOF
${attrname} = import ./${major}.${minor}-${type}.nix {
inherit stdenv fetchurl lib;
};
EOF
echo "done."
echo
done
echo " };" >> default.nix
done
echo "}; in pythonDocs" >> default.nix