]> git.lyx.org Git - lyx.git/blobdiff - po/lyx_pot.py
de.po
[lyx.git] / po / lyx_pot.py
index b2dcf67d62ae0f29eb061bbfad10076e3c78aa68..665fdcddcfe35d6fd3806aafa5488f72e3b56294 100755 (executable)
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 # -*- coding: utf-8 -*-
 
 # file lyx_pot.py
 # This script will extract translatable strings from input files and write
 # to output in gettext .pot format.
 #
-import sys, os, re, getopt
+from __future__ import print_function
+
+import glob, sys, os, re, getopt
+import io
 
 def relativePath(path, base):
     '''return relative path from top source dir'''
@@ -24,7 +27,7 @@ def relativePath(path, base):
     path1 = os.path.normpath(os.path.realpath(path)).split(os.sep)
     path2 = os.path.normpath(os.path.realpath(base)).split(os.sep)
     if path1[:len(path2)] != path2:
-        print "Path %s is not under top source directory" % path
+        print("Path %s is not under top source directory" % path)
     path3 = os.path.join(*path1[len(path2):]);
     # replace all \ by / such that we get the same comments on Windows and *nix
     path3 = path3.replace('\\', '/')
@@ -35,26 +38,32 @@ def writeString(outfile, infile, basefile, lineno, string):
     string = string.replace('\\', '\\\\').replace('"', '')
     if string == "":
         return
-    print >> outfile, '#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
-        (relativePath(infile, basefile), lineno, string)
+    print(u'#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
+        (relativePath(infile, basefile), lineno, string), file=outfile)
 
 
 def ui_l10n(input_files, output, base):
     '''Generate pot file from lib/ui/*'''
-    output = open(output, 'w')
-    Submenu = re.compile(r'^[^#]*Submenu\s+"([^"]*)"')
-    Popupmenu = re.compile(r'^[^#]*PopupMenu\s+"[^"]+"\s+"([^"]*)"')
-    Toolbar = re.compile(r'^[^#]*Toolbar\s+"[^"]+"\s+"([^"]*)"')
-    Item = re.compile(r'[^#]*Item\s+"([^"]*)"')
-    TableInsert = re.compile(r'[^#]*TableInsert\s+"([^"]*)"')
+    output = io.open(output, 'w', encoding='utf_8', newline='\n')
+    Submenu = re.compile(r'^[^#]*Submenu\s+"([^"]*)"', re.IGNORECASE)
+    Popupmenu = re.compile(r'^[^#]*PopupMenu\s+"[^"]+"\s+"([^"]*)"', re.IGNORECASE)
+    Dynamicmenu = re.compile(r'^[^#]*DynamicMenu\s+"[^"]+"\s+"([^"]*)"', re.IGNORECASE)
+    IconPalette = re.compile(r'^[^#]*IconPalette\s+"[^"]+"\s+"([^"]*)"', re.IGNORECASE)
+    Toolbar = re.compile(r'^[^#]*Toolbar\s+"[^"]+"\s+"([^"]*)"', re.IGNORECASE)
+    Item = re.compile(r'[^#]*Item\s+"([^"]*)"', re.IGNORECASE)
+    TableInsert = re.compile(r'[^#]*TableInsert\s+"([^"]*)"', re.IGNORECASE)
     for src in input_files:
-        input = open(src)
+        input = io.open(src, encoding='utf_8')
         for lineno, line in enumerate(input.readlines()):
             if Submenu.match(line):
                 (string,) = Submenu.match(line).groups()
                 string = string.replace('_', ' ')
             elif Popupmenu.match(line):
                 (string,) = Popupmenu.match(line).groups()
+            elif Dynamicmenu.match(line):
+                (string,) = Dynamicmenu.match(line).groups()
+            elif IconPalette.match(line):
+                (string,) = IconPalette.match(line).groups()
             elif Toolbar.match(line):
                 (string,) = Toolbar.match(line).groups()
             elif Item.match(line):
@@ -65,39 +74,140 @@ def ui_l10n(input_files, output, base):
                 continue
             string = string.replace('"', '')
             if string != "":
-                print >> output, '#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
-                    (relativePath(src, base), lineno+1, string)
+                print(u'#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
+                    (relativePath(src, base), lineno+1, string), file=output)
         input.close()
     output.close()
 
 
-def layouts_l10n(input_files, output, base):
-    '''Generate pot file from lib/layouts/*.{layout,inc,module}'''
-    out = open(output, 'w')
-    Style = re.compile(r'^Style\s+(.*)')
-    # include ???LabelString???, but exclude comment lines
-    LabelString = re.compile(r'^[^#]*LabelString\S*\s+(.*)')
-    GuiName = re.compile(r'\s*GuiName\s+(.*)')
-    ListName = re.compile(r'\s*ListName\s+(.*)')
-    CategoryName = re.compile(r'\s*Category\s+(.*)')
-    NameRE = re.compile(r'DeclareLyXModule.*{(.*)}')
-    DescBegin = re.compile(r'#+\s*DescriptionBegin\s*$')
-    DescEnd = re.compile(r'#+\s*DescriptionEnd\s*$')
+def layouts_l10n(input_files, output, base, layouttranslations):
+    '''Generate pot file from lib/layouts/*.{layout,inc,module} and lib/citeengines/*.citeengine'''
+    ClassDescription = re.compile(r'^\s*#\s*\\Declare(LaTeX|DocBook)Class.*\{(.*)\}$', re.IGNORECASE)
+    ClassCategory = re.compile(r'^\s*#\s*\\DeclareCategory\{(.*)\}$', re.IGNORECASE)
+    Style = re.compile(r'^\s*Style\s+(.*\S)\s*$', re.IGNORECASE)
+    # match LabelString, EndLabelString, LabelStringAppendix and maybe others but no comments
+    LabelString = re.compile(r'^[^#]*LabelString\S*\s+(.*\S)\s*$', re.IGNORECASE)
+    MenuString = re.compile(r'^[^#]*MenuString\S*\s+(.*\S)\s*$', re.IGNORECASE)
+    OutlinerName = re.compile(r'^[^#]*OutlinerName\s+(\S+|\"[^\"]*\")\s+\"([^\"]*)\"', re.IGNORECASE)
+    Tooltip = re.compile(r'^\s*Tooltip\S*\s+(.*\S)\s*$', re.IGNORECASE)
+    GuiName = re.compile(r'^\s*GuiName\s+(.*\S)\s*$', re.IGNORECASE)
+    ListName = re.compile(r'^\s*ListName\s+(.*\S)\s*$', re.IGNORECASE)
+    CategoryName = re.compile(r'^\s*Category\s+(.*\S)\s*$', re.IGNORECASE)
+    NameRE = re.compile(r'^\s*#\s*\\DeclareLyXModule.*{(.*)}$', re.IGNORECASE)
+    CiteNameRE = re.compile(r'^\s*#\s*\\DeclareLyXCiteEngine.*\{(.*)\}$', re.IGNORECASE)
+    InsetLayout = re.compile(r'^InsetLayout\s+\"?(.*)\"?\s*$', re.IGNORECASE)
+    FlexCheck = re.compile(r'^Flex:(.*)', re.IGNORECASE)
+    CaptionCheck = re.compile(r'^Caption:(.*)', re.IGNORECASE)
+    DescBegin = re.compile(r'^\s*#\s*DescriptionBegin\s*$', re.IGNORECASE)
+    DescEnd = re.compile(r'^\s*#\s*DescriptionEnd\s*$', re.IGNORECASE)
+    Category = re.compile(r'^\s*#\s*Category:\s+(.*\S)\s*$', re.IGNORECASE)
+    I18nPreamble = re.compile(r'^\s*((Lang)|(Babel))Preamble\s*$', re.IGNORECASE)
+    EndI18nPreamble = re.compile(r'^\s*End((Lang)|(Babel))Preamble\s*$', re.IGNORECASE)
+    I18nString = re.compile(r'_\(([^\)]+)\)')
+    CounterFormat = re.compile(r'^\s*PrettyFormat\s+"?(.*)"?\s*$', re.IGNORECASE)
+    CiteFormat = re.compile(r'^\s*CiteFormat', re.IGNORECASE)
+    # Note: preceding and trailing space in the val below matters
+    KeyVal = re.compile(r'^\s*B?_\w+\s(.*\S)*$')
+    Float = re.compile(r'^\s*Float\s*$', re.IGNORECASE)
+    UsesFloatPkg = re.compile(r'^\s*UsesFloatPkg\s+(.*\S)\s*$', re.IGNORECASE)
+    IsPredefined = re.compile(r'^\s*IsPredefined\s+(.*\S)\s*$', re.IGNORECASE)
+    End = re.compile(r'^\s*End', re.IGNORECASE)
+    Comment = re.compile(r'^(.*)#')
+    Translation = re.compile(r'^\s*Translation\s+(.*\S)\s*$', re.IGNORECASE)
+    KeyValPair = re.compile(r'\s*"(.*)"\s+"(.*)"')
+
+    oldlanguages = []
+    languages = []
+    keyset = set()
+    oldtrans = dict()
+    if layouttranslations:
+        linguas_file = os.path.join(base, 'po/LINGUAS')
+        for line in open(linguas_file).readlines():
+            res = Comment.search(line)
+            if res:
+                line = res.group(1)
+            if line.strip() != '':
+                languages.extend(line.split())
+
+        # read old translations if available
+        try:
+            input = io.open(output, encoding='utf_8')
+            lang = ''
+            for line in input.readlines():
+                res = Comment.search(line)
+                if res:
+                    line = res.group(1)
+                if line.strip() == '':
+                    continue
+                res = Translation.search(line)
+                if res:
+                    lang = res.group(1)
+                    if lang not in languages:
+                        oldlanguages.append(lang)
+                        languages.append(lang)
+                    oldtrans[lang] = dict()
+                    continue
+                res = End.search(line)
+                if res:
+                    lang = ''
+                    continue
+                res = KeyValPair.search(line)
+                if res and lang != '':
+                    key = res.group(1)
+                    val = res.group(2)
+                    key = key.replace('\\"', '"').replace('\\\\', '\\')
+                    val = val.replace('\\"', '"').replace('\\\\', '\\')
+                    oldtrans[lang][key] = val
+                    keyset.add(key)
+                    continue
+                print("Error: Unable to handle line:")
+                print(line)
+        except IOError:
+            print("Warning: Unable to open %s for reading." % output)
+            print("         Old translations will be lost.")
+
+        # walon is not a known document language
+        # FIXME: Do not hardcode, read from lib/languages!
+        if 'wa' in languages:
+            languages.remove('wa')
 
+    if layouttranslations:
+        out = io.open(output, 'w', encoding='utf_8')
+    else:
+        out = io.open(output, 'w', encoding='utf_8', newline='\n')
     for src in input_files:
         readingDescription = False
+        readingI18nPreamble = False
+        readingFloat = False
+        readingCiteFormats = False
+        isPredefined = False
+        usesFloatPkg = True
+        listname = ''
+        floatname = ''
         descStartLine = -1
         descLines = []
         lineno = 0
-        for line in open(src).readlines():
+        for line in io.open(src, encoding='utf_8').readlines():
             lineno += 1
+            res = ClassDescription.search(line)
+            if res != None:
+                string = res.group(2)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno + 1, string)
+                continue
+            res = ClassCategory.search(line)
+            if res != None:
+                string = res.group(1)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno + 1, string)
+                continue
             if readingDescription:
                 res = DescEnd.search(line)
                 if res != None:
                     readingDescription = False
                     desc = " ".join(descLines)
-                    print >> out, '#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
-                        (relativePath(src, base), lineno + 1, desc)
+                    if not layouttranslations:
+                        writeString(out, src, base, lineno + 1, desc)
                     continue
                 descLines.append(line[1:].strip())
                 continue
@@ -106,50 +216,242 @@ def layouts_l10n(input_files, output, base):
                 readingDescription = True
                 descStartLine = lineno
                 continue
+            if readingI18nPreamble:
+                res = EndI18nPreamble.search(line)
+                if res != None:
+                    readingI18nPreamble = False
+                    continue
+                res = I18nString.search(line)
+                if res != None:
+                    string = res.group(1)
+                    if layouttranslations:
+                        keyset.add(string)
+                    else:
+                        writeString(out, src, base, lineno, string)
+                continue
+            res = I18nPreamble.search(line)
+            if res != None:
+                readingI18nPreamble = True
+                continue
             res = NameRE.search(line)
             if res != None:
                 string = res.group(1)
-                string = string.replace('\\', '\\\\').replace('"', '')
-                if string != "":
-                    print >> out, '#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
-                        (relativePath(src, base), lineno + 1, string)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno + 1, string)
+                continue
+            res = CiteNameRE.search(line)
+            if res != None:
+                string = res.group(1)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno + 1, string)
                 continue
             res = Style.search(line)
             if res != None:
                 string = res.group(1)
                 string = string.replace('_', ' ')
-                writeString(out, src, base, lineno, string)
+                # Style means something else inside a float definition
+                if not readingFloat:
+                    if not layouttranslations:
+                        writeString(out, src, base, lineno, string)
                 continue
             res = LabelString.search(line)
             if res != None:
                 string = res.group(1)
-                writeString(out, src, base, lineno, string)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno, string)
+                continue
+            res = MenuString.search(line)
+            if res != None:
+                string = res.group(1)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno, string)
+                continue
+            res = OutlinerName.search(line)
+            if res != None:
+                string = res.group(2)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno, string)
+                continue
+            res = Tooltip.search(line)
+            if res != None:
+                string = res.group(1)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno, string)
                 continue
             res = GuiName.search(line)
             if res != None:
                 string = res.group(1)
-                writeString(out, src, base, lineno, string)
+                if layouttranslations:
+                    # gui name must only be added for floats
+                    if readingFloat:
+                        floatname = string
+                else:
+                    writeString(out, src, base, lineno, string)
                 continue
             res = CategoryName.search(line)
             if res != None:
                 string = res.group(1)
-                writeString(out, src, base, lineno, string)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno, string)
                 continue
             res = ListName.search(line)
             if res != None:
                 string = res.group(1)
-                writeString(out, src, base, lineno, string)
+                if layouttranslations:
+                    listname = string.strip('"')
+                else:
+                    writeString(out, src, base, lineno, string)
+                continue
+            res = InsetLayout.search(line)
+            if res != None:
+                string = res.group(1)
+                string = string.replace('_', ' ')
+                #Flex:xxx is not used in translation
+                #if not layouttranslations:
+                #    writeString(out, src, base, lineno, string)
+                m = FlexCheck.search(string)
+                if m:
+                    if not layouttranslations:
+                        writeString(out, src, base, lineno, m.group(1))
+                m = CaptionCheck.search(string)
+                if m:
+                    if not layouttranslations:
+                        writeString(out, src, base, lineno, m.group(1))
+                continue
+            res = Category.search(line)
+            if res != None:
+                string = res.group(1)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno, string)
+                continue
+            res = CounterFormat.search(line)
+            if res != None:
+                string = res.group(1)
+                if not layouttranslations:
+                    writeString(out, src, base, lineno, string)
+                continue
+            res = Float.search(line)
+            if res != None:
+                readingFloat = True
                 continue
+            res = IsPredefined.search(line)
+            if res != None:
+                string = res.group(1).lower()
+                if string == 'true':
+                    isPredefined = True
+                else:
+                    isPredefined = False
+                continue
+            res = UsesFloatPkg.search(line)
+            if res != None:
+                string = res.group(1).lower()
+                if string == 'true':
+                    usesFloatPkg = True
+                else:
+                    usesFloatPkg = False
+                continue
+            res = CiteFormat.search(line)
+            if res != None:
+                readingCiteFormats = True
+                continue
+            res = End.search(line)
+            if res != None:
+                # We have four combinations of the flags usesFloatPkg and isPredefined:
+                #     usesFloatPkg and     isPredefined: might use standard babel translations
+                #     usesFloatPkg and not isPredefined: does not use standard babel translations
+                # not usesFloatPkg and     isPredefined: uses standard babel translations
+                # not usesFloatPkg and not isPredefined: not supported by LyX
+                # The third combination is even true for MarginFigure, MarginTable (both from
+                # tufte-book.layout) and Planotable, Plate (both from aguplus.inc).
+                if layouttranslations and readingFloat and usesFloatPkg:
+                    if floatname != '':
+                        keyset.add(floatname)
+                    if listname != '':
+                        keyset.add(listname)
+                isPredefined = False
+                usesFloatPkg = True
+                listname = ''
+                floatname = ''
+                readingCiteFormats = False
+                readingFloat = False
+                continue
+            if readingCiteFormats:
+                res = KeyVal.search(line)
+                if res != None:
+                    val = res.group(1)
+                    if not layouttranslations:
+                        writeString(out, src, base, lineno, val)
+
+    if layouttranslations:
+        # Extract translations of layout files
+        import polib
+
+        # Sort languages and key to minimize the diff between different runs
+        # with changed translations
+        languages.sort()
+        keys = []
+        for key in keyset:
+            keys.append(key)
+        keys.sort()
+
+        ContextRe = re.compile(r'(.*)(\[\[.*\]\])')
+
+        print(u'''# This file has been automatically generated by po/lyx_pot.py.
+# PLEASE MODIFY ONLY THE LAGUAGES HAVING NO .po FILE! If you want to regenerate
+# this file from the translations, run `make ../lib/layouttranslations' in po.
+# Python polib library is needed for building the output file.
+#
+# This file should remain fixed during minor LyX releases.
+# For more comments see README.localization file.''', file=out)
+        for lang in languages:
+            print(u'\nTranslation %s' % lang, file=out)
+            if lang in list(oldtrans.keys()):
+                trans = oldtrans[lang]
+            else:
+                trans = dict()
+            if not lang in oldlanguages:
+                poname = os.path.join(base, 'po/' + lang + '.po')
+                po = polib.pofile(poname)
+                # Iterate through po entries and not keys for speed reasons.
+                # FIXME: The code is still too slow
+                for entry in po:
+                    if not entry.translated():
+                        continue
+                    if entry.msgid in keys:
+                        key = entry.msgid
+                        val = entry.msgstr
+                        # some translators keep untranslated entries
+                        if val != key:
+                            trans[key] = val
+            for key in keys:
+                if key in list(trans.keys()):
+                    val = trans[key].replace('\\', '\\\\').replace('"', '\\"')
+                    res = ContextRe.search(val)
+                    if res != None:
+                        val = res.group(1)
+                    key = key.replace('\\', '\\\\').replace('"', '\\"')
+                    print(u'\t"%s" "%s"' % (key, val), file=out)
+                # also print untranslated entries to help translators
+                elif not lang in oldlanguages:
+                    key = key.replace('\\', '\\\\').replace('"', '\\"')
+                    res = ContextRe.search(key)
+                    if res != None:
+                        val = res.group(1)
+                    else:
+                        val = key
+                    print(u'\t"%s" "%s"' % (key, val), file=out)
+            print(u'End', file=out)
+
     out.close()
 
 
-def qt4_l10n(input_files, output, base):
-    '''Generate pot file from src/frontends/qt4/ui/*.ui'''
-    output = open(output, 'w')
+def qt_l10n(input_files, output, base):
+    '''Generate pot file from src/frontends/qt/ui/*.ui'''
+    output = io.open(output, 'w', encoding='utf_8', newline='\n')
     pat = re.compile(r'\s*<string>(.*)</string>')
     prop = re.compile(r'\s*<property.*name.*=.*shortcut')
     for src in input_files:
-        input = open(src)
+        input = io.open(src, encoding='utf_8')
         skipNextLine = False
         for lineno, line in enumerate(input.readlines()):
             # skip the line after <property name=shortcut>
@@ -162,50 +464,67 @@ def qt4_l10n(input_files, output, base):
             # get lines that match <string>...</string>
             if pat.match(line):
                 (string,) = pat.match(line).groups()
-                string = string.replace('&amp;', '&').replace('&lt;', '<').replace('&gt;', '>').replace('"', r'\"')
-                print >> output, '#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
-                    (relativePath(src, base), lineno+1, string) 
+                string = string.replace('&amp;', '&').replace('&quot;', '"')
+                string = string.replace('&lt;', '<').replace('&gt;', '>')
+                string = string.replace('\\', '\\\\').replace('"', r'\"')
+                string = string.replace('&#x0a;', r'\n')
+                print(u'#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
+                    (relativePath(src, base), lineno+1, string), file=output)
         input.close()
     output.close()
 
 
 def languages_l10n(input_files, output, base):
-    '''Generate pot file from lib/language'''
-    output = open(output, 'w')
-    # assuming only one language file
-    reg = re.compile('[\w-]+\s+[\w"]+\s+"([\w \-\(\)]+)"\s+(true|false)\s+[\w-]+\s+\w+\s+"[^"]*"')
-    input = open(input_files[0])
-    for lineno, line in enumerate(input.readlines()):
-        if line[0] == '#':
-            continue
-        # From:
-        #   afrikaans   afrikaans      "Afrikaans"     false  iso8859-15 af_ZA  ""
-        # To:
-        #   #: lib/languages:2
-        #   msgid "Afrikaans"
-        #   msgstr ""
-        if reg.match(line):
-            print >> output, '#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
-                (relativePath(input_files[0], base), lineno+1, reg.match(line).groups()[0])
-        else:
-            print "Error: Unable to handle line:"
-            print line
-            sys.exit(1)
-    input.close()
-    output.close()
+    '''Generate pot file from lib/languages'''
+    out = io.open(output, 'w', encoding='utf_8', newline='\n')
+    GuiName = re.compile(r'^[^#]*GuiName\s+(.*)', re.IGNORECASE)
+
+    for src in input_files:
+        descStartLine = -1
+        descLines = []
+        lineno = 0
+        for line in io.open(src, encoding='utf_8').readlines():
+            lineno += 1
+            res = GuiName.search(line)
+            if res != None:
+                string = res.group(1)
+                writeString(out, src, base, lineno, string)
+                continue
+
+    out.close()
+
+
+def latexfonts_l10n(input_files, output, base):
+    '''Generate pot file from lib/latexfonts'''
+    out = io.open(output, 'w', encoding='utf_8', newline='\n')
+    GuiName = re.compile(r'^[^#]*GuiName\s+(.*)', re.IGNORECASE)
+
+    for src in input_files:
+        descStartLine = -1
+        descLines = []
+        lineno = 0
+        for line in io.open(src, encoding='utf_8').readlines():
+            lineno += 1
+            res = GuiName.search(line)
+            if res != None:
+                string = res.group(1)
+                writeString(out, src, base, lineno, string)
+                continue
+
+    out.close()
 
 
 def external_l10n(input_files, output, base):
-    '''Generate pot file from lib/external_templates'''
-    output = open(output, 'w')
-    Template = re.compile(r'^Template\s+(.*)')
-    GuiName = re.compile(r'\s*GuiName\s+(.*)')
-    HelpTextStart = re.compile(r'\s*HelpText\s')
+    '''Generate pot file from lib/xtemplates'''
+    output = io.open(output, 'w', encoding='utf_8', newline='\n')
+    Template = re.compile(r'^Template\s+(.*)', re.IGNORECASE)
+    GuiName = re.compile(r'\s*GuiName\s+(.*)', re.IGNORECASE)
+    HelpTextStart = re.compile(r'\s*HelpText\s', re.IGNORECASE)
     HelpTextSection = re.compile(r'\s*(\S.*)\s*$')
-    HelpTextEnd = re.compile(r'\s*HelpTextEnd\s')
+    HelpTextEnd = re.compile(r'\s*HelpTextEnd\s', re.IGNORECASE)
     i = -1
     for src in input_files:
-        input = open(src)
+        input = io.open(src, encoding='utf_8')
         inHelp = False
         hadHelp = False
         prev_help_string = ''
@@ -217,20 +536,26 @@ def external_l10n(input_files, output, base):
             elif inHelp:
                 if HelpTextEnd.match(line):
                     if hadHelp:
-                        print >> output, '\nmsgstr ""\n'
+                        print(u'\nmsgstr ""\n', file=output)
                     inHelp = False
                     hadHelp = False
                     prev_help_string = ''
                 elif HelpTextSection.match(line):
                     (help_string,) = HelpTextSection.match(line).groups()
                     help_string = help_string.replace('"', '')
+                    help_string =  help_string.replace('\\', '_backsl_')
+                    help_string =  help_string.replace('_backsl_', '\\\\')
                     if help_string != "" and prev_help_string == '':
-                        print >> output, '#: %s:%d\nmsgid ""\n"%s\\n"' % \
-                            (relativePath(src, base), lineno+1, help_string)
+                        print(u'#: %s:%d\nmsgid ""\n"%s\\n"' % \
+                            (relativePath(src, base), lineno+1, help_string), file=output)
                         hadHelp = True
                     elif help_string != "":
-                        print >> output, '"%s\\n"' % help_string
+                        print(u'"%s\\n"' % help_string, file=output)
                     prev_help_string = help_string
+                else:
+                    # Empty line
+                    print(u'"\\n"', file=output)
+                    prev_help_string = 'xxxx'
             elif HelpTextStart.match(line):
                 inHelp = True
                 prev_help_string = ''
@@ -238,38 +563,155 @@ def external_l10n(input_files, output, base):
                 continue
             string = string.replace('"', '')
             if string != "" and not inHelp:
-                print >> output, '#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
-                    (relativePath(src, base), lineno+1, string)
+                print(u'#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
+                    (relativePath(src, base), lineno+1, string), file=output)
         input.close()
     output.close()
 
 
+def formats_l10n(input_files, output, base):
+    '''Generate pot file from configure.py'''
+    output = io.open(output, 'w', encoding='utf_8', newline='\n')
+    GuiName = re.compile(r'.*\\Format\s+\S+\s+\S+\s+"([^"]*)"\s+(\S*)\s+.*', re.IGNORECASE)
+    GuiName2 = re.compile(r'.*\\Format\s+\S+\s+\S+\s+([^"]\S+)\s+(\S*)\s+.*', re.IGNORECASE)
+    input = io.open(input_files[0], encoding='utf_8')
+    for lineno, line in enumerate(input.readlines()):
+        label = ""
+        labelsc = ""
+        if GuiName.match(line):
+            label = GuiName.match(line).group(1)
+            shortcut = GuiName.match(line).group(2).replace('"', '')
+        elif GuiName2.match(line):
+            label = GuiName2.match(line).group(1)
+            shortcut = GuiName2.match(line).group(2).replace('"', '')
+        else:
+            continue
+        label = label.replace('\\', '\\\\').replace('"', '')
+        if shortcut != "":
+            labelsc = label + "|" + shortcut
+        if label != "":
+            print(u'#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
+                (relativePath(input_files[0], base), lineno+1, label), file=output)
+        if labelsc != "":
+            print(u'#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
+                (relativePath(input_files[0], base), lineno+1, labelsc), file=output)
+    input.close()
+    output.close()
+
+
+def encodings_l10n(input_files, output, base):
+    '''Generate pot file from lib/encodings'''
+    output = io.open(output, 'w', encoding='utf_8', newline='\n')
+    # assuming only one encodings file
+    #                 Encoding utf8      utf8    "Unicode (utf8)" UTF-8    variable inputenc
+    reg = re.compile('Encoding [\w-]+\s+[\w-]+\s+"([\w \-\(\)\[\]\/^"]*)"\s+["\w-]+\s+(fixed|variable|variableunsafe)\s+\w+.*')
+    input = io.open(input_files[0], encoding='utf_8')
+    for lineno, line in enumerate(input.readlines()):
+        if not line.startswith('Encoding'):
+            continue
+        if reg.match(line):
+            guiname = reg.match(line).groups()[0]
+            if guiname != "":
+                print(u'#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
+                    (relativePath(input_files[0], base), lineno+1, guiname), file=output)
+        else:
+            print("Error: Unable to handle line:")
+            print(line)
+            # No need to abort if the parsing fails
+            # sys.exit(1)
+    input.close()
+    output.close()
+
+
+def examples_templates_l10n(input_files, output, base):
+  '''Generate pot file from lib/templates and lib/examples'''
+  output = io.open(output, 'w', encoding='utf_8', newline='\n')
+  # only record each item once
+  seen = []
+  for src in input_files:
+      parseExamplesTemplates(src, seen, output)
+  output.close()
+
+
+def parseExamplesTemplates(file, seen, output):
+  # Recursively iterate over subdirectories
+  if os.path.isdir(file):
+      for sfile in glob.glob( os.path.join(file, '*') ):
+          parseExamplesTemplates(sfile, seen, output)
+
+  filename = os.path.normpath(os.path.realpath(file)).split(os.sep)[-1]
+  if os.path.isfile(file):
+      if filename[-4:] != ".lyx":
+          return
+      filename = filename[:-4]
+  if seen.count(filename) or filename[0].islower():
+      return
+
+  seen.append(filename)
+  if filename != "":
+      print(u'#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
+                (relativePath(input_files[0], base), 0, filename.replace('_', ' ').replace('%26', '&').replace('%28', '(').replace('%29', ')')), file=output)
+
+
+def tabletemplates_l10n(input_files, output, base):
+  '''Generate pot file from lib/tabletemplates '''
+  output = io.open(output, 'w', encoding='utf_8', newline='\n')
+  # only record each item once
+  seen = []
+  for file in input_files:
+      filename = os.path.normpath(os.path.realpath(file)).split(os.sep)[-1]
+      if os.path.isfile(file):
+          if filename[-4:] != ".lyx":
+              continue
+          filename = filename[:-4]
+          if filename[-4:-1] == "_1x":
+              continue
+          if seen.count(filename):
+              continue
+
+      seen.append(filename)
+      if filename != "":
+          print(u'#: %s:%d\nmsgid "%s"\nmsgstr ""\n' % \
+                    (relativePath(input_files[0], base), 0, filename.replace('_', ' ')), file=output)
+  output.close()
+  
+
+
 Usage = '''
-lyx_pot.py [-b|--base top_src_dir] [-o|--output output_file] [-h|--help] -t|--type input_type input_files
+lyx_pot.py [-b|--base top_src_dir] [-o|--output output_file] [-h|--help] [-s|src_file filename] -t|--type input_type input_files
 
-where 
+where
     --base:
         path to the top source directory. default to '.'
     --output:
         output pot file, default to './lyx.pot'
+    --src_file
+        filename that contains a list of input files in each line
     --input_type can be
         ui: lib/ui/*
         layouts: lib/layouts/*
-        qt4: qt4 ui files
+        layouttranslations: create lib/layouttranslations from po/*.po and lib/layouts/*
+        qt: qt ui files
         languages: file lib/languages
-        external: external templates file
+        latexfonts: file lib/latexfonts
+        encodings: file lib/encodings
+        external: external templates files
+        formats: formats predefined in lib/configure.py
+        examples_templates: example and template files
+        tabletemplates: table template files
 '''
 
 if __name__ == '__main__':
     input_type = None
     output = 'lyx.pot'
     base = '.'
+    input_files = []
     #
-    optlist, args = getopt.getopt(sys.argv[1:], 'ht:o:b:',
-        ['help', 'type=', 'output=', 'base='])
+    optlist, args = getopt.getopt(sys.argv[1:], 'ht:o:b:s:',
+        ['help', 'type=', 'output=', 'base=', 'src_file='])
     for (opt, value) in optlist:
         if opt in ['-h', '--help']:
-            print Usage
+            print(Usage)
             sys.exit(0)
         elif opt in ['-o', '--output']:
             output = value
@@ -277,17 +719,41 @@ if __name__ == '__main__':
             base = value
         elif opt in ['-t', '--type']:
             input_type = value
-    if input_type not in ['ui', 'layouts', 'modules', 'qt4', 'languages', 'external'] or output is None:
-        print 'Wrong input type or output filename.'
+        elif opt in ['-s', '--src_file']:
+            input_files = [f.strip() for f in io.open(value, encoding='utf_8')]
+
+    if input_type not in ['ui', 'layouts', 'layouttranslations', 'qt', 'languages', 'latexfonts', 'encodings', 'external', 'formats', 'examples_templates', 'tabletemplates'] or output is None:
+        print('Wrong input type or output filename.')
         sys.exit(1)
+
+    input_files += args
+
+    # Ensure a unique sorting of input files and ignore the order in which they
+    # are given on the command line. This is important to avoid huge
+    # pseudo-diffs in the generated .pot file which would then end up in the
+    # .po files as well. We had this situation for years with people using
+    # different build systems to remerge .po files.
+    input_files.sort()
+
     if input_type == 'ui':
-        ui_l10n(args, output, base)
+        ui_l10n(input_files, output, base)
+    elif input_type == 'latexfonts':
+        latexfonts_l10n(input_files, output, base)
     elif input_type == 'layouts':
-        layouts_l10n(args, output, base)
-    elif input_type == 'qt4':
-        qt4_l10n(args, output, base)
+        layouts_l10n(input_files, output, base, False)
+    elif input_type == 'layouttranslations':
+        layouts_l10n(input_files, output, base, True)
+    elif input_type == 'qt':
+        qt_l10n(input_files, output, base)
     elif input_type == 'external':
-        external_l10n(args, output, base)
+        external_l10n(input_files, output, base)
+    elif input_type == 'formats':
+        formats_l10n(input_files, output, base)
+    elif input_type == 'encodings':
+        encodings_l10n(input_files, output, base)
+    elif input_type == 'examples_templates':
+        examples_templates_l10n(input_files, output, base)
+    elif input_type == 'tabletemplates':
+        tabletemplates_l10n(input_files, output, base)
     else:
-        languages_l10n(args, output, base)
-
+        languages_l10n(input_files, output, base)