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import argparse
from typing import List
"""
Takes in one of the po files in resources/i18n/[LANG_CODE]/cura.po and updates it with translations from a
new po file without changing the translation ordering.
This script should be used when we get a po file that has updated translations but is no longer correctly ordered
so the merge becomes messy.
If you are importing files from lionbridge/smartling use lionbridge_import.py.
Note: This does NOT include new strings, it only UPDATES existing strings
"""
class Msg:
def __init__(self, msgctxt: str = "", msgid: str = "", msgstr: str = "") -> None:
self.msgctxt = msgctxt
self.msgid = msgid
self.msgstr = msgstr
def __str__(self):
return self.msgctxt + self.msgid + self.msgstr
def parsePOFile(filename: str) -> List[Msg]:
messages = []
with open(filename) as f:
iterator = iter(f.readlines())
for line in iterator:
if line.startswith("msgctxt"):
# Start of a translation item block
msg = Msg()
msg.msgctxt = line
while True:
line = next(iterator)
if line.startswith("msgid"):
msg.msgid = line
break
while True:
# msgstr can be split over multiple lines
line = next(iterator)
if line == "\n":
break
if line.startswith("msgstr"):
msg.msgstr = line
else:
msg.msgstr += line
messages.append(msg)
return messages
def getDifferentMessages(messages_original: List[Msg], messages_new: List[Msg]) -> List[Msg]:
# Return messages that have changed in messages_new
different_messages = []
for m_new in messages_new:
for m_original in messages_original:
if m_new.msgstr != m_original.msgstr \
and m_new.msgid == m_original.msgid and m_new.msgctxt == m_original.msgctxt \
and m_new.msgid != 'msgid ""\n':
different_messages.append(m_new)
return different_messages
def updatePOFile(input_filename: str, output_filename: str, messages: List[Msg]) -> None:
# Takes a list of changed messages and writes a copy of input file with updated message strings
with open(input_filename, "r") as input_file, open(output_filename, "w") as output_file:
iterator = iter(input_file.readlines())
for line in iterator:
output_file.write(line)
if line.startswith("msgctxt"):
# Start of translation block
msgctxt = line
msgid = next(iterator)
output_file.write(msgid)
# Check for updated version of msgstr
message = list(filter(lambda m: m.msgctxt == msgctxt and m.msgid == msgid, messages))
if message and message[0]:
# Write update translation
output_file.write(message[0].msgstr)
# Skip lines until next translation. This should skip multiline msgstr
while True:
line = next(iterator)
if line == "\n":
output_file.write(line)
break
if __name__ == "__main__":
print("********************************************************************************************************************")
print("This creates a new file 'updated.po' that is a copy of original_file with any changed translations from updated_file")
print("This does not change the order of translations")
print("This does not include new translations, only existing changed translations")
print("Do not use this to import lionbridge/smarting translations")
print("********************************************************************************************************************")
parser = argparse.ArgumentParser(description="Update po file with translations from new po file. This ")
parser.add_argument("original_file", type=str, help="Input .po file inside resources/i18n/[LANG]/")
parser.add_argument("updated_file", type=str, help="Input .po file with updated translations added")
args = parser.parse_args()
messages_updated = parse_po_file(args.updated_file)
messages_original = parse_po_file(args.original_file)
different_messages = get_different_messages(messages_original, messages_updated)
update_po_file(args.original_file, "updated.po", different_messages)
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