calibre/setup/iso_codes.py
Kovid Goyal 4804084665
...
2024-06-28 08:15:31 +05:30

66 lines
2.3 KiB
Python

#!/usr/bin/env python
# License: GPLv3 Copyright: 2023, Kovid Goyal <kovid at kovidgoyal.net>
import fnmatch
import optparse
import os
import shutil
import time
import zipfile
from contextlib import suppress
from io import BytesIO
from setup import Command, download_securely
class ISOData(Command):
description = 'Get ISO codes name localization data'
URL = 'https://salsa.debian.org/iso-codes-team/iso-codes/-/archive/main/iso-codes-main.zip'
def add_options(self, parser):
with suppress(optparse.OptionConflictError): # ignore if option already added
parser.add_option('--path-to-isocodes', help='Path to previously downloaded iso-codes-main.zip')
def run(self, opts):
if self._zip_data is None:
if opts.path_to_isocodes:
with open(opts.path_to_isocodes, 'rb') as f:
self._zip_data = BytesIO(f.read())
# get top level directory
top = {item.split('/')[0] for item in zipfile.ZipFile(self.zip_data).namelist()}
assert len(top) == 1
self.top_level = top.pop()
else:
self._zip_data = BytesIO(download_securely(self.URL))
def __init__(self):
super().__init__()
self._zip_data = None
self.top_level = 'iso-codes-main'
@property
def zip_data(self):
return self._zip_data
def db_data(self, name: str) -> bytes:
with zipfile.ZipFile(self.zip_data) as zf:
with zf.open(f'{self.top_level}/data/{name}') as f:
return f.read()
def extract_po_files(self, name: str, output_dir: str) -> None:
name = name.split('.', 1)[0]
pat = f'{self.top_level}/{name}/*.po'
if self.zip_data is None:
self._zip_data = BytesIO(download_securely(self.URL))
with zipfile.ZipFile(self.zip_data) as zf:
for name in fnmatch.filter(zf.namelist(), pat):
dest = os.path.join(output_dir, name.split('/')[-1])
zi = zf.getinfo(name)
with zf.open(zi) as src, open(dest, 'wb') as d:
shutil.copyfileobj(src, d)
date_time = time.mktime(zi.date_time + (0, 0, -1))
os.utime(dest, (date_time, date_time))
iso_data = ISOData()