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#! /usr/bin/env python
# Author: Abhilash Raj
# Date: Aug 21, 2021
#
# The purpose of this script is to generate various templates supported by
# Mailman from the .po files that are translated by translators. The workflow
# for the entire translation looks like this:
# english template -> en mailman.po -> weblate -> language.po -> language templates.
#
# English templates -> mailman.pot is handled by update_po.py script, which
# will copy the contents of the english templates into the .po file for en
# language so it can serve as the reference for translators in weblate. After
# we get translated .po files back from weblate, we copy the template text
# back into individual files of each language using *this script*.
from pathlib import Path
try:
from babel.messages.pofile import read_po, write_po
except ImportError:
print('Please install `babel` to run this script.')
exit(1)
PO_BASE_PATH = Path('src/mailman/messages')
PO_PATH_TEMPLATE = 'src/mailman/messages/{}/LC_MESSAGES/mailman.po'
TEMPLATE_PATH_TEMPLATE = 'src/mailman/templates/{lang}/{name}'
IGNORE_PATH_NAMES = [
'__init__.py',
'__pycache__',
'en',
'mailman.pot',
]
def get_po(lang):
"Read the po file path and return a Catalog object."
po_path = Path(PO_PATH_TEMPLATE.format(lang))
if not po_path.exists():
print(f'{po_path} does not exist.')
return None
with po_path.open() as fd:
catalog = read_po(fd)
return catalog
def write_template(lang, name, content):
"Get the template text with the name if it exists."
template_path = Path(TEMPLATE_PATH_TEMPLATE.format(lang=lang, name=name))
template_path.parent.mkdir(exist_ok=True, parents=True)
if not content.endswith('\n'):
content += '\n'
template_path.write_text(content)
def main():
for subdir in PO_BASE_PATH.iterdir():
if subdir.name in IGNORE_PATH_NAMES:
continue
lang = subdir.name
catalog = get_po(lang)
if catalog is None:
print(f'Failed to get catalog for {lang}')
continue
for each in catalog:
if each.id.endswith('.txt'):
if each.string.strip() != '':
write_template(lang, each.id, each.string)
print(f'Finished writing templates for {lang}')
main()
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