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#!/usr/bin/env python3
# Reads all .ui files and creates builder.pyi
# Execute this script from the repo root dir
import logging
import sys
from io import TextIOWrapper
from pathlib import Path
from xml.etree import ElementTree
logging.basicConfig(level='INFO', format='%(levelname)s: %(message)s')
log = logging.getLogger()
cwd = Path.cwd()
if cwd.name != 'gajim':
sys.exit('Script needs to be executed from gajim repository '
'root directory')
in_path = cwd / 'gajim' / 'data' / 'gui'
out_path = cwd / 'gajim' / 'gtk' / 'builder.pyi'
paths = list(in_path.iterdir())
paths.sort()
IMPORTS = '''
from typing import Literal
from typing import overload
from gi.repository import Atk
from gi.repository import Gtk
from gi.repository import GtkSource
class Builder(Gtk.Builder):
...
'''
CLASS_DEF = '\nclass %s(Builder):'
ATTR = '\n %s: %s'
GET_BUILDER_OVERLOAD = '''
@overload
def get_builder(file_name: Literal['%s'], widgets: list[str] = ...) -> %s: ... # noqa''' # noqa: E501
GET_BUILDER = '''\n\n
def get_builder(file_name: str, widgets: list[str] = ...) -> Builder: ...'''
def make_class_name(path: Path) -> str:
name = path.name.removesuffix('.ui')
names = name.split('_')
names = [name.capitalize() for name in names]
return ''.join(names) + 'Builder'
def parse(path: Path, file: TextIOWrapper) -> str:
log.info('Read %s', path)
lines: list[str] = []
tree = ElementTree.parse(path)
for node in tree.iter(tag='object'):
id_ = node.attrib.get('id')
if id_ is None:
continue
klass = node.attrib['class']
if klass.startswith('GtkSource'):
klass = f'GtkSource.{klass.removeprefix("GtkSource")}'
elif klass.startswith('Atk'):
klass = f'Atk.{klass.removeprefix("Atk")}'
else:
klass = f'Gtk.{klass.removeprefix("Gtk")}'
lines.append(ATTR % (id_.replace('-', '_'), klass))
klass_name = make_class_name(path)
file.write(CLASS_DEF % klass_name)
if not lines:
file.write('\n pass')
else:
for line in lines:
file.write(line)
file.write('\n\n')
return klass_name
builder_names: list[tuple[str, str]] = []
with out_path.open(mode='w', encoding='utf8') as file:
file.write(IMPORTS)
for path in paths:
if path.name.endswith('~'):
continue
if path.name.startswith('#'):
continue
name = parse(path, file)
builder_names.append((name, path.name))
for name, file_name in builder_names:
file.write(GET_BUILDER_OVERLOAD % (file_name, name))
file.write(GET_BUILDER)
file.write('\n')
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