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[pkgsrc/trunk]: pkgsrc/doc/guide doc/guide: use Python instead of Perl for au...



details:   https://anonhg.NetBSD.org/pkgsrc/rev/4cecdb46173c
branches:  trunk
changeset: 395060:4cecdb46173c
user:      rillig <rillig%pkgsrc.org@localhost>
date:      Mon Apr 29 16:18:41 2019 +0000

description:
doc/guide: use Python instead of Perl for autogenerating help topics

The code is shorter and there's less line noise.

diffstat:

 doc/guide/Makefile                      |   9 +++--
 doc/guide/files/generate-help-topics.pl |  49 ---------------------------------
 doc/guide/files/help-topics.gen.py      |  31 ++++++++++++++++++++
 3 files changed, 36 insertions(+), 53 deletions(-)

diffs (125 lines):

diff -r c0d8e16bd91e -r 4cecdb46173c doc/guide/Makefile
--- a/doc/guide/Makefile        Mon Apr 29 16:09:05 2019 +0000
+++ b/doc/guide/Makefile        Mon Apr 29 16:18:41 2019 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.53 2019/04/28 15:22:24 rillig Exp $
+# $NetBSD: Makefile,v 1.54 2019/04/29 16:18:41 rillig Exp $
 
 DISTNAME=              pkgsrc-guide-${PKGVERSION}
 CATEGORIES=            # empty
@@ -16,7 +16,6 @@
 DIST_SUBDIR=           ${PKGBASE}
 USE_LANGUAGES=         # empty
 MAKE_ENV+=             SED=${SED:Q}
-USE_TOOLS+=            perl
 
 PLIST_VARS=            ascii html pdf
 
@@ -64,10 +63,10 @@
        ${MKDIR} ${WRKSRC}
        ${LN} -s ${FILESDIR}/* ${WRKSRC}
 
-post-extract: generate-help-topics
+pre-configure: generate-help-topics
 generate-help-topics: .PHONY
        ${RUN} ${MAKE} help topic=:index > ${WRKSRC}/help-topics.data
-       ${RUN} cd ${WRKSRC} && perl generate-help-topics.pl 
+       ${RUN} cd ${WRKSRC} && python help-topics.gen.py
 
 do-build:
 .for _output_ in ${OUTPUTS}
@@ -157,4 +156,6 @@
                -s ',^,htdocs/,'                                        \
                global.css share
 
+PYTHON_FOR_BUILD_ONLY= tool
+.include "../../lang/python/tool.mk"
 .include "../../mk/bsd.pkg.mk"
diff -r c0d8e16bd91e -r 4cecdb46173c doc/guide/files/generate-help-topics.pl
--- a/doc/guide/files/generate-help-topics.pl   Mon Apr 29 16:09:05 2019 +0000
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,49 +0,0 @@
-#! perl
-# $NetBSD: generate-help-topics.pl,v 1.1 2019/04/28 15:22:24 rillig Exp $
-
-use strict;
-use warnings;
-
-my $tmpl_file = "help-topics.tmpl.xml";
-my $data_file = "help-topics.data";
-my $out_file  = "help-topics.xml";
-
-sub read_topics() {
-       my @xmltopics;
-       open(my $topics, "<", $data_file) or die;
-       my $header1 = <$topics>;
-       my $header2 = <$topics>;
-
-       while (defined(my $topic = <$topics>)) {
-               chomp($topic);
-               $topic =~ s,&,\&amp;,g;
-               $topic =~ s,<,\&lt;,g;
-               push(@xmltopics, $topic);
-       }
-
-       close($topics) or die;
-       return @xmltopics;
-}
-
-sub merge() {
-       open(my $tmpl, "<", $tmpl_file) or die;
-       open(my $out, ">", "$out_file.tmp") or die;
-
-       while (defined(my $tmpl_line = <$tmpl>)) {
-               if ($tmpl_line =~ /\@topic\@/) {
-                       foreach my $xmltopic (read_topics()) {
-                               my $line = $tmpl_line;
-                               $line =~ s,\@topic\@,$xmltopic,e;
-                               print $out ($line);
-                       }
-               } else {
-                       print $out ($tmpl_line);
-               }
-       }
-       close($tmpl) or die;
-       close($out) or die;
-
-       rename("$out_file.tmp", $out_file) or die;
-}
-
-merge();
diff -r c0d8e16bd91e -r 4cecdb46173c doc/guide/files/help-topics.gen.py
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/guide/files/help-topics.gen.py        Mon Apr 29 16:18:41 2019 +0000
@@ -0,0 +1,31 @@
+#! python
+# $NetBSD: help-topics.gen.py,v 1.1 2019/04/29 16:18:41 rillig Exp $
+
+import os
+
+tmpl_file = "help-topics.tmpl.xml"
+data_file = "help-topics.data"
+out_file = "help-topics.xml"
+
+
+def merge():
+    def read_lines(filename):
+        with open(filename) as f:
+            return f.readlines()
+
+    out = []
+    for tmpl_line in read_lines(tmpl_file):
+        if '@topic@' in tmpl_line:
+            for topic in read_lines(data_file)[2:]:
+                xml_topic = topic.replace('&', '%amp;').replace('<', '&lt;')
+                out.append(tmpl_line.replace('@topic@', xml_topic))
+        else:
+            out.append(tmpl_line)
+
+    with open(f'{out_file}.tmp', 'w') as f:
+        f.writelines(out)
+    os.rename(f'{out_file}.tmp', out_file)
+
+
+if __name__ == '__main__':
+    merge()



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