Add framework for translating ZNC to different languages

translation_pot.py

@@ -0,0 +1,81 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import argparse
+import glob
+import os
+import re
+import subprocess
+
+parser = argparse.ArgumentParser()
+parser.add_argument('--include_dir', action='store')
+parser.add_argument('--explicit_sources', action='append')
+parser.add_argument('--tmpl_dirs', action='append')
+parser.add_argument('--strip_prefix', action='store')
+parser.add_argument('--tmp_prefix', action='store')
+parser.add_argument('--output', action='store')
+args = parser.parse_args()
+
+pot_list = []
+
+# .cpp
+main_pot = args.tmp_prefix + '_main.pot'
+subprocess.check_call(['xgettext',
+    '--omit-header',
+    '-D', args.include_dir,
+    '-o', main_pot,
+    '--keyword=t:1,1t',   '--keyword=t:1,2c,2t',
+    '--keyword=f:1,1t',   '--keyword=f:1,2c,2t',
+    '--keyword=p:1,2,3t', '--keyword=p:1,2,4c,4t',
+    '--keyword=d:1,1t',   '--keyword=d:1,2c,2t',
+] + args.explicit_sources)
+if os.path.isfile(main_pot):
+    pot_list.append(main_pot)
+
+# .tmpl
+tmpl_pot = args.tmp_prefix + '_tmpl.pot'
+tmpl_uniq_pot = args.tmp_prefix + '_tmpl_uniq.pot'
+tmpl = []
+pattern = re.compile(r'<\?\s*(?:FORMAT|(PLURAL))\s+(?:CTX="([^"]+?)"\s+)?"([^"]+?)"(?(1)\s+"([^"]+?)"|).*?\?>')
+for tmpl_dir in args.tmpl_dirs:
+    for fname in glob.iglob(tmpl_dir + '/*.tmpl'):
+        fbase = fname[len(args.strip_prefix):]
+        with open(fname) as f:
+            for linenum, line in enumerate(f):
+                for x in pattern.finditer(line):
+                    text, plural, context = x.group(3), x.group(4), x.group(2)
+                    tmpl.append('#: {}:{}'.format(fbase, linenum + 1))
+                    if context:
+                        tmpl.append('msgctxt "{}"'.format(context))
+                    tmpl.append('msgid "{}"'.format(text))
+                    if plural:
+                        tmpl.append('msgid_plural "{}"'.format(plural))
+                        tmpl.append('msgstr[0] ""')
+                        tmpl.append('msgstr[1] ""')
+                    else:
+                        tmpl.append('msgstr ""')
+                    tmpl.append('')
+if tmpl:
+    with open(tmpl_pot, 'w') as f:
+        for line in tmpl:
+            print(line, file=f)
+    subprocess.check_call(['msguniq', '-o', tmpl_uniq_pot, tmpl_pot])
+    pot_list.append(tmpl_uniq_pot)
+
+# combine
+if pot_list:
+    subprocess.check_call(['msgcat', '-o', args.output] + pot_list)