pyrox.dev
1#!/usr/bin/env bash
2
3cd -- "$(dirname -- "${BASH_SOURCE[0]}")"
4
5TYPES="html pdf-a4 pdf-letter text texinfo"
6URL=http://www.python.org/ftp/python/doc/VERSION/python-VERSION-docs-TYPE.tar.bz2
7VERSIONS=$(for major in 2 3; do curl https://docs.python.org/$major/archives/ 2>/dev/null | perl -l -n -e'/<a href="python-([23].[0-9]+.[0-9]+)-docs-html.tar.bz2/ && print $1' | tail -n 1; done)
8echo "Generating expressions for:
9${VERSIONS}
10"
11
12
13cat >default.nix <<EOF
14{ stdenv, fetchurl, lib }:
15
16let
17pythonDocs = {
18EOF
19
20for type in $TYPES; do
21 cat >>default.nix <<EOF
22 ${type/-/_} = {
23 recurseForDerivations = true;
24EOF
25
26 for version in $VERSIONS; do
27 major=$(echo -n ${version}| cut -d. -f1)
28 minor=$(echo -n ${version}| cut -d. -f2)
29 if [ "${type}" = "texinfo" ]; then
30 if [ "${major}" = "2" ]; then
31 # Python 2 doesn't have pregenerated texinfos available
32 continue
33 fi
34 template=template-info.nix
35 else
36 template=template.nix
37 fi
38 outfile=${major}.${minor}-${type}.nix
39 hash=
40 if [ -e ${outfile} ]; then
41 currentversion=$(grep "url =" ${outfile} |cut -d/ -f7)
42 if [ ${version} = ${currentversion} ]; then
43 hash=$(grep sha256 ${outfile} | cut -d'"' -f2)
44 fi
45 fi
46 echo "Generating ${outfile}"
47 url=$(echo -n $URL |sed -e "s,VERSION,${version},g" -e "s,TYPE,${type},")
48 sha=$(nix-prefetch-url ${url} ${hash})
49
50
51 sed -e "s,VERSION,${version}," \
52 -e "s,MAJOR,${major}," \
53 -e "s,MINOR,${minor}," \
54 -e "s,TYPE,${type}," \
55 -e "s,URL,${url}," \
56 -e "s,SHA,${sha}," < ${template} > ${outfile}
57
58 attrname=python${major}${minor}
59 cat >>default.nix <<EOF
60 ${attrname} = import ./${major}.${minor}-${type}.nix {
61 inherit stdenv fetchurl lib;
62 };
63EOF
64
65 echo "done."
66 echo
67 done
68 echo " };" >> default.nix
69done
70
71echo "}; in pythonDocs" >> default.nix