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k-9/tools/sync_translation.py

124 lines
3.8 KiB
Python
Executable File

#!/usr/bin/env python
# Rewrite localized strings files to match the formatting of the master strings file in an Android project
#
# Written for use with K-9 Mail (https://github.com/k9mail/k-9)
# Licensed under the WTFPL (http://www.wtfpl.net/about/)
import sys
import re
from copy import deepcopy
from lxml import etree
INDENTATION = " " * 4
def new_tail(element):
newline_count = element.tail.count("\n")
if newline_count == 0:
return element.tail
else:
return "%s%s" % ("\n" * newline_count, INDENTATION)
def remove_namespace_attribute(text):
return re.sub(' xmlns:xliff="[^"]+"', "", text)
def fix_children_tail(element):
for item in element.getchildren():
if item.tail is not None and item.tail.count("\n") > 0:
item.tail = "\n%s" % (INDENTATION * 2)
element.getchildren()[-1].tail = "\n%s" % INDENTATION
if len(sys.argv) < 3:
print "Usage: sync_translation.py <master> <translation>"
print "Example: sync_translation.py res/values/strings.xml res/values-zh-rTW/strings.xml"
exit(1)
master_file = sys.argv[1]
translation_file = sys.argv[2]
# Parse source files
parser = etree.XMLParser(strip_cdata=False)
master = etree.parse(master_file, parser=parser)
translation = etree.parse(translation_file, parser=parser)
# Create new XML object for the output
output = etree.Element("resources", nsmap={'xliff': "urn:oasis:names:tc:xliff:document:1.2"})
output.text = "\n%s" % INDENTATION
# Copy top level comments from translation
previous = output
elem = translation.getroot()
while elem.getprevious() is not None:
elem = elem.getprevious()
new_elem = deepcopy(elem)
previous.addprevious(new_elem)
previous = new_elem
for element in master.getroot().getchildren():
if not isinstance(element.tag, basestring):
# This is a comment; copy it to 'output'
new_element = deepcopy(element)
new_element.tail = new_tail(element)
output.append(new_element)
else:
tag = element.tag
name = element.get("name")
if tag == "string":
# Find string element in translation
translated = translation.find('.//string[@name="%s"]' % name)
if translated is None:
# No translation found; copy original string and make it a comment
temp_element = deepcopy(element)
temp_element.tail = ""
text = " NEW: %s" % etree.tostring(temp_element, encoding="UNICODE")
text = remove_namespace_attribute(text)
new_element = etree.Comment(text)
else:
# Translation found; use it
new_element = deepcopy(translated)
new_element.tail = new_tail(element)
output.append(new_element)
elif tag == "plurals":
# Find plurals element in translation
translated = translation.find('.//plurals[@name="%s"]' % name)
if translated is None:
# No translation found; copy original element and wrap it in a comment
temp_element = deepcopy(element)
temp_element.tail = ""
fix_children_tail(temp_element)
text = " NEW:\n%s%s\n%s" % (INDENTATION, etree.tostring(temp_element, encoding="UNICODE"), INDENTATION)
text = remove_namespace_attribute(text)
new_element = etree.Comment(text)
else:
# Translation found; use it
new_element = deepcopy(translated)
fix_children_tail(new_element)
new_element.tail = new_tail(element)
output.append(new_element)
else:
sys.stderr.write("Unknown element: %s\n" % tag)
output.getchildren()[-1].tail = "\n"
tree = etree.ElementTree(output)
tree.write(sys.argv[2], xml_declaration=True, encoding="UTF-8", pretty_print=True)