Max Gramser
125346d94e
From the end-to-end test on the bench boards and an independent review: - Units spaced as Home Assistant does (54% / 54 % in German and French, 18°, 21.5 °C), in the firmware and the app. - Grouping from five digits where the language does (1234 but 12.345 in Spanish, Polish, Portuguese): the layout message carries group_min and percent_space; an unknown number style no longer refuses a layout. - Automatic follows Home Assistant's own language for the clock and numbers, also without a translation (Swedish: 24 hours, 1 234,5; pt-BR: 1.234,5): regions.json from the CLDR for all 63 languages Home Assistant offers. - 12-hour clock: the top bar says 3:48 PM, the clock card 3:48 (not 03:48), Last runs follow the clock. - The climate setpoint font has the decimal comma; the value fonts have ², ³ and µ (m³ was a box). - Weather days: at most three letters without the dot (mié, sáb, czw); the screen took three bytes. - Texts fall back per key through the base language (pt-BR -> pt -> en) in the firmware and the app. - Each screen gets the app's words in the language its firmware speaks; firmware from before the languages gets English and its own letters, not boxes. - set_language re-reads what it writes (indentation, comments, quoted keys, CRLF, !include) and every build writes the language first; the 24-hour pin no longer hits a fresh install and waits for the old clock switches. - Tests: region and notation, plural parity with the C++ rules, set_language edge cases, the pin, PUT /api/language. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
430 lines
23 KiB
Python
430 lines
23 KiB
Python
#!/usr/bin/env python3
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"""The translations in screen_manager/translations/ (app 0.2.90); docs/TRANSLATING.md says how they work.
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python3 tools/i18n.py check every language against English: keys, placeholders, plural forms, letters
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the screens can't draw, screen texts much longer than the English
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python3 tools/i18n.py lint English words left in the firmware's code instead of the translations
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python3 tools/i18n.py header [--check] write (or compare) the key header and the tests' English table that the
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firmware's `screen` texts need, after changing the keys of en.json
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python3 tools/i18n.py cldr [--write] day and month names, date orders and the decimal mark from the Unicode CLDR
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(Node's Intl), into every language's screen.date and screen.number, and the
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clock and numbers of every Home Assistant language (screen_manager/app/regions.json)
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python3 tools/i18n.py ha-words [--write] Home Assistant's own words for states (screen.ha) in every language, from a
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Home Assistant (HA_URL and HA_TOKEN); needs aiohttp
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python3 tools/i18n.py new CODE NAME ENGLISH PLURAL
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a new language file, such as `new sv Svenska Swedish one_other`
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"""
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import argparse
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import importlib.util
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import json
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import re
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import subprocess
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import sys
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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FOLDER = ROOT / 'screen_manager' / 'translations'
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KEYS_HEADER = ROOT / 'components' / 'smart_display' / 'screen_text_keys.h'
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TESTS_HEADER = ROOT / 'tests' / 'screen_text_en.h'
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CORE = ROOT / 'packages' / 'core.yaml'
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def generator():
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"""components/smart_display/screen_text_gen.py, which the firmware build itself uses."""
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spec = importlib.util.spec_from_file_location('screen_text_gen', ROOT / 'components' / 'smart_display' / 'screen_text_gen.py')
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module = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(module)
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return module
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def languages():
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"""{code: data} of every language file, English first."""
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found = {path.stem: json.loads(path.read_text(encoding='utf-8')) for path in sorted(FOLDER.glob('*.json'))
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if re.fullmatch(r'[a-z]{2,3}(-[A-Za-z0-9]{2,8})?', path.stem)}
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return dict(sorted(found.items(), key=lambda item: (item[0] != 'en', item[0])))
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def header(check):
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gen = generator()
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wanted = {KEYS_HEADER: gen.keys_header([key for key, _ in gen.screen_pairs(gen.load('en', FOLDER))]),
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TESTS_HEADER: gen.english_header(FOLDER)}
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stale = [path for path, text in wanted.items() if not path.exists() or path.read_text(encoding='utf-8') != text]
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if check:
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for path in stale:
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print(f'{path.relative_to(ROOT)} is out of date: run python3 tools/i18n.py header')
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return 1 if stale else 0
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for path in stale:
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path.write_text(wanted[path], encoding='utf-8')
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print(f'wrote {path.relative_to(ROOT)}')
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return 0
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PLACEHOLDER = re.compile(r'\{([a-z_]+)\}')
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FORMS = {'one_other': 2, 'one_upto_1': 2, 'slavic_pl': 3, 'east_slavic': 3, 'none': 1}
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def font_letters():
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"""The characters every text font of the screens carries: what a `screen` text may use."""
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text = CORE.read_text(encoding='utf-8')
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sets = []
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for block in re.finditer(r'(?ms)^ - file: "\$\{FONT_DIR\}/Roboto-\d+\.ttf"\n(.*?)(?=^ - |^\S|\Z)', text):
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body = block.group(1)
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if not re.search(r'(?m)^\s+id: (headline|label|sublabel|sublabel_big|watch_value)\s*$', body):
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continue
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glyphs = re.search(r'(?s)glyphs:\s*\[(.*?)\]', body)
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if glyphs:
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letters = set()
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for item in re.findall(r"'((?:[^'\\]|\\.)*)'|\"((?:[^\"\\]|\\.)*)\"", glyphs.group(1)):
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letters.update(item[0] or item[1])
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sets.append(letters)
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return set.intersection(*sets) if sets else set()
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def check():
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gen = generator()
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langs = languages()
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english = langs['en']
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problems, notes = [], []
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base = dict(gen.flatten({k: v for k, v in english.items() if k != '_meta'}))
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drawable = font_letters()
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for code, data in langs.items():
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meta = data.get('_meta', {})
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for field in ('name', 'english', 'script', 'plural', 'checked'):
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if field not in meta:
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problems.append(f'{code}: _meta.{field} is missing')
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forms = FORMS.get(meta.get('plural'))
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if forms is None:
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problems.append(f'{code}: _meta.plural must be one of {", ".join(FORMS)}')
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own = dict(gen.flatten({k: v for k, v in data.items() if k != '_meta'}))
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for key in own.keys() - base.keys():
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problems.append(f'{code}: {key} is not in en.json')
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missing = [key for key in base if key not in own]
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if code != 'en' and missing:
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notes.append(f'{code}: {len(missing)} of {len(base)} texts still in English')
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for key, text in own.items():
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if key not in base or not isinstance(text, str):
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continue
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source = base[key]
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if set(PLACEHOLDER.findall(text)) != set(PLACEHOLDER.findall(source)):
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problems.append(f'{code}: {key} has placeholders {sorted(set(PLACEHOLDER.findall(text)))}, '
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f'English {sorted(set(PLACEHOLDER.findall(source)))}')
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plural = ' | ' in source
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if plural and forms and len(text.split('|')) not in (1, forms):
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problems.append(f'{code}: {key} needs {forms} forms separated by " | "')
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if not plural and '|' in text:
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problems.append(f'{code}: {key} has a | that isn\'t a plural form')
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# The editor's vue-i18n reads { } and @ as instructions: only placeholders and its {'x'} literals are allowed.
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if key.startswith('editor.') and re.search(r"[{}@]", re.sub(r"\{'[^']*'\}", '', PLACEHOLDER.sub('', text))):
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problems.append(f'{code}: {key} has {{, }} or @ outside a placeholder; the editor would misread it')
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# The app's own words for the screens (addon.screen) are drawn by the same fonts.
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if key.startswith(('screen.', 'addon.screen.')) and drawable:
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shown = PLACEHOLDER.sub('', text).replace('|', '')
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unknown = sorted(set(shown) - drawable - {'\n'})
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if unknown:
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problems.append(f'{code}: {key} uses letters the screens can\'t draw: {"".join(unknown)}')
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# Home Assistant's words and the calendar's are what they are; our own texts should stay about as short.
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ours = not key.startswith(('screen.ha.', 'screen.date.', 'screen.number.'))
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if ours and code != 'en' and len(text) > max(8, len(source) * 1.6) and not plural:
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notes.append(f'{code}: {key} is much longer than the English ({len(text)} vs {len(source)})')
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for line in notes:
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print('note:', line)
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for line in problems:
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print('problem:', line)
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print(f'{len(langs)} languages, {len(base)} texts: {len(problems)} problems')
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return 1 if problems else 0
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# English that stays in the firmware on purpose, with why. Everything else a screen shows comes from the translations,
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# and `lint` fails on a new English text in the code, so it never slips back in.
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LINT_KEEP = {
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# Statuses the app reads and acts on (screen_manager/app/server.py RESEND_STATES, the "Error" prefix): protocol.
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'Synced', 'Loading tiles', 'Layout received', 'Resend needed', 'Ready for tile configuration',
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'Use the Easy Setup profile', 'Swipe test started', 'no answer', 'Error: message too large',
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'Error: invalid message', 'Error: protocol version', 'Error: screen settings', 'Error: outdated tile',
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'Error: no memory for ', 'Error: incomplete message', 'Error: invalid encoding',
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# Only a log line or the rate limiter's reason shows these.
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'history range', 'card button ', 'media key ', 'let go', 'too short (', 'already handled in this contact',
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'same button within the debounce window', 'no runtime tiles', 'setting off', 'screen dimmed', 'card open',
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'detail card open', 'camera open', 'USB calibration ready; no tile actions', 'GT911 touch test ready; no tile actions',
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'UI_TEST START: page/overlay render stress, no HA actions', 'Color', 'Color temperature', 'Brightness',
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# Home Assistant's own values and units the code compares with, not words it shows.
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'None', 'Auto', 'Wh',
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# Placeholders of the YAML tree that the runtime tiles replace before a screen shows them, and profile defaults.
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'Lamp', 'Plug', 'Evening', 'All off', 'AC', 'Vacuum', 'Tile 7', 'Tile 8', 'Tile 9', 'Tile 10', 'Light', 'Light Color',
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'Climate', 'Example lamp', 'My CYD', 'My Guition',
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}
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LINT_FILES = ('components/smart_display/*.h', 'packages/core.yaml', 'packages/boards/*.yaml')
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def lint():
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"""English words in the firmware's code that should be a key of the translations' `screen` section."""
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literal = re.compile(r'"((?:[^"\\]|\\.)*)"')
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found = []
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for pattern in LINT_FILES:
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for path in sorted(ROOT.glob(pattern)):
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for number, line in enumerate(path.read_text(encoding='utf-8').splitlines(), 1):
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stripped = line.strip()
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# Comments, logs, and Home Assistant's entity names (renaming one gives it a new entity id).
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if stripped.startswith(('//', '#', '*')) or 'ESP_LOG' in line or 'static_assert' in line or re.match(r'\s*name: "', line):
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continue
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code = line.split('//')[0]
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if path.suffix == '.yaml':
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code = re.split(r'\s#', code)[0]
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for match in literal.finditer(code):
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text = match.group(1)
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if text in LINT_KEEP or re.search(r'[();]|::|->|\$\{', text):
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continue
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if re.match(r'^[A-Z][a-z]', text) or re.search(r'[A-Za-z]{2,} [a-z]{2,}', text):
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found.append(f'{path.relative_to(ROOT)}:{number}: "{text}"')
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for line in found:
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print('English in the firmware (a key of screen_manager/translations/en.json, or tools/i18n.py LINT_KEEP):', line)
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return 1 if found else 0
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# Where screen.ha's words come from: Home Assistant's own translations (frontend/get_translations, `entity_component`),
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# so a screen says what Home Assistant says in the same language.
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def ha_sources():
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sources = {'on': 'component.switch.entity_component._.state.on', 'off': 'component.switch.entity_component._.state.off'}
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for mode in ('off', 'heat', 'cool', 'heat_cool', 'auto', 'dry', 'fan_only'):
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sources[f'climate.{mode}'] = f'component.climate.entity_component._.state.{mode}'
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for action in ('heating', 'cooling', 'idle', 'off', 'drying', 'fan', 'preheating', 'defrosting'):
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sources[f'hvac_action.{action}'] = f'component.climate.entity_component._.state_attributes.hvac_action.state.{action}'
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for state in ('open', 'closed', 'opening', 'closing'):
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sources[f'cover.{state}'] = f'component.cover.entity_component._.state.{state}'
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for state in ('playing', 'paused', 'idle', 'standby'):
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sources[f'media.{state}'] = f'component.media_player.entity_component._.state.{state}'
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for state in ('home', 'not_home'):
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sources[f'person.{state}'] = f'component.person.entity_component._.state.{state}'
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for state in ('above_horizon', 'below_horizon'):
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sources[f'sun.{state}'] = f'component.sun.entity_component._.state.{state}'
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for state in ('docked', 'cleaning', 'paused', 'returning', 'idle'):
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sources[f'vacuum.{state}'] = f'component.vacuum.entity_component._.state.{state}'
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english = json.loads((FOLDER / 'en.json').read_text(encoding='utf-8'))['screen']['ha']
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for key in english['weather']:
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sources[f'weather.{key}'] = f'component.weather.entity_component._.state.{key.replace("_", "-") if key != "partlycloudy" else key}'
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for key in english['binary']:
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device_class, state = key.rsplit('_', 1)
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sources[f'binary.{key}'] = f'component.binary_sensor.entity_component.{device_class}.state.{state}'
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return sources
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# The words Home Assistant's frontend itself shows (its own translation files, not the backend's).
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FRONTEND_SOURCES = {'unavailable': 'state.default.unavailable', 'button.activate': 'ui.card.scene.activate',
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'button.run': 'ui.card.script.run', 'button.press': 'ui.card.button.press'}
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def frontend_words(url, codes):
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"""{code: {key: word}} from the translation files Home Assistant's frontend loads (their names carry a hash that the
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frontend's app script lists)."""
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import urllib.request
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page = urllib.request.urlopen(url + '/', timeout=20).read().decode('utf-8', 'replace')
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found = {}
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for script in dict.fromkeys(re.findall(r'(/frontend_latest/app\.[\w.]+\.js)', page)):
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text = urllib.request.urlopen(url + script, timeout=30).read().decode('utf-8', 'replace')
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for code in codes:
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match = re.search(r'"' + re.escape(code) + r'":\{"nativeName":"[^"]*","hash":"([0-9a-f]+)"', text)
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if match and code not in found:
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data = json.loads(urllib.request.urlopen(f'{url}/static/translations/{code}-{match.group(1)}.json', timeout=30).read())
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flat = dict(generator().flatten(data))
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found[code] = {key: flat[source] for key, source in FRONTEND_SOURCES.items() if isinstance(flat.get(source), str)}
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return found
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def ha_words(write):
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"""screen.ha of every language from a Home Assistant (HA_URL and HA_TOKEN, or .esphome/ha_url and ha_token): its own
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words for states, English included, so a screen says what Home Assistant says (Max, app 0.2.90)."""
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import asyncio
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import os
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try:
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import aiohttp
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except ImportError:
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raise SystemExit('ha-words needs aiohttp (.venv-portal/bin/python has it)')
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def setting(name, file):
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value = os.environ.get(name)
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for folder in (ROOT, ROOT.parent / 'esphome-cyd-display'):
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if not value and (folder / '.esphome' / file).exists():
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value = (folder / '.esphome' / file).read_text().strip()
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if not value:
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raise SystemExit(f'Set {name} or .esphome/{file}')
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return value
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url, token = setting('HA_URL', 'ha_url').rstrip('/'), setting('HA_TOKEN', 'ha_token')
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sources = ha_sources()
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async def fetch(codes):
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found = {}
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async with aiohttp.ClientSession() as session:
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async with session.ws_connect(url.replace('http', 'ws', 1) + '/api/websocket') as ws:
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await ws.receive_json()
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await ws.send_json({'type': 'auth', 'access_token': token})
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if (await ws.receive_json()).get('type') != 'auth_ok':
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raise SystemExit('Home Assistant refused the token')
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for number, code in enumerate(codes, 1):
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await ws.send_json({'id': number, 'type': 'frontend/get_translations', 'language': code, 'category': 'entity_component'})
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answer = await ws.receive_json()
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found[code] = (answer.get('result') or {}).get('resources') or {}
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return found
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langs = languages()
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found = asyncio.run(fetch(list(langs)))
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frontend = frontend_words(url, list(langs))
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status = 0
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for code, data in langs.items():
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words = found.get(code) or {}
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own = {}
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for key, source in sources.items():
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if isinstance(words.get(source), str) and words[source]:
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own[key] = words[source]
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else:
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print(f'{code}: Home Assistant has no {source}')
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own.update(frontend.get(code, {}))
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reference = dict(generator().flatten(data.get('screen', {}).get('ha', {})))
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if code == 'en':
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for key, word in own.items():
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if reference.get(key) != word:
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print(f'en: screen.ha.{key} "{reference.get(key)}" becomes Home Assistant\'s "{word}"')
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tree = {}
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for key, word in own.items():
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node = tree
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parts = key.split('.')
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for part in parts[:-1]:
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node = node.setdefault(part, {})
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node[parts[-1]] = word
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before = json.dumps(data, ensure_ascii=False)
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merge(data.setdefault('screen', {}).setdefault('ha', {}), tree)
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if json.dumps(data, ensure_ascii=False) != before:
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print(f'{code}: {"wrote" if write else "would change"} {len(own)} words from Home Assistant')
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if write:
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write_language(code, data)
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return status
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def main():
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parser = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
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sub = parser.add_subparsers(dest='command', required=True)
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sub.add_parser('check')
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sub.add_parser('lint')
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head = sub.add_parser('header')
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head.add_argument('--check', action='store_true')
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cldr = sub.add_parser('cldr')
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cldr.add_argument('--write', action='store_true')
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words = sub.add_parser('ha-words')
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words.add_argument('--write', action='store_true')
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fresh = sub.add_parser('new')
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fresh.add_argument('code')
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fresh.add_argument('name')
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fresh.add_argument('english')
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fresh.add_argument('plural')
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args = parser.parse_args()
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if args.command == 'new':
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return new_language(args.code, args.name, args.english, args.plural)
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if args.command == 'check':
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return check()
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if args.command == 'lint':
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return lint()
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if args.command == 'header':
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return header(args.check)
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if args.command == 'cldr':
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return cldr_dates(args.write)
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if args.command == 'ha-words':
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return ha_words(args.write)
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return 2
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# The CLDR locale of a file where it differs: Portuguese is Home Assistant's pt, the one of Portugal.
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CLDR_LOCALE = {'pt': 'pt-PT'}
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# Every language Home Assistant's frontend offers (2026.9: the languages of its translationMetadata). A language ESP
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# Screens has no file for still writes the clock and numbers as Home Assistant does (regions.json); its texts fall back
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# to English.
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HA_LANGUAGES = ('af ar bg bn bs ca cs cy da de el en en-GB eo es et eu fa fi fy fr ga gl gsw he hi hr hu hy id it is ja '
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'ka ko lb lt lv mk ml nl nb nn pl pt pt-BR ro ru sk sl sr sr-Latn sv sq ta te th tr uk ur vi zh-Hans '
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'zh-Hant').split()
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# The languages that put a space between a number and "%" ("54 %"), as Home Assistant's frontend does
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# (src/common/translations/blank_before_unit.ts, blankBeforePercent); every other one writes "54%".
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HA_PERCENT_BLANK = ('cs', 'de', 'fi', 'fr', 'sk', 'sv')
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REGIONS = ROOT / 'screen_manager' / 'app' / 'regions.json'
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def percent_space(code):
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return code.split('-')[0] in HA_PERCENT_BLANK
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def number_style(number):
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"""point (1,234.5), comma (1.234,5) or space (1 234,5): the choices of Settings -> Language & region."""
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if number['decimal'] != ',':
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return 'point'
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return 'space' if number['group'].strip() == '' else 'comma'
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def regions():
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"""{code: {clock, numbers, group_min, percent_space}} for every Home Assistant language, from Node's Intl."""
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locales = [CLDR_LOCALE.get(code, code) for code in HA_LANGUAGES]
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found = json.loads(subprocess.run(['node', str(ROOT / 'tools' / 'i18n_cldr.mjs'), *locales], check=True,
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capture_output=True, text=True).stdout)
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table = {}
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for code, locale in zip(HA_LANGUAGES, locales):
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cldr = found[locale]
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table[code] = {'clock': cldr['clock'], 'numbers': number_style(cldr['number']),
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'group_min': int(cldr['number']['group_min']), 'percent_space': percent_space(code)}
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return table
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def write_language(code, data):
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(FOLDER / f'{code}.json').write_text(json.dumps(data, ensure_ascii=False, indent=2) + '\n', encoding='utf-8')
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def merge(target, source):
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"""`source` into `target` in place, keeping the order of what `target` already has."""
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for key, value in source.items():
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if isinstance(value, dict) and isinstance(target.get(key), dict):
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merge(target[key], value)
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else:
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target[key] = value
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def cldr_dates(write, codes=None):
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"""Day and month names, date orders, AM/PM, the number marks and the clock of every language but English (whose
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texts are the source) from Node's Intl, into screen.date, screen.time, screen.number and _meta.clock."""
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codes = codes or [code for code in languages() if not code.startswith('en')]
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if not codes:
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return 0
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locales = [CLDR_LOCALE.get(code, code) for code in codes]
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found = json.loads(subprocess.run(['node', str(ROOT / 'tools' / 'i18n_cldr.mjs'), *locales], check=True,
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capture_output=True, text=True).stdout)
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for code, locale in zip(codes, locales):
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path = FOLDER / f'{code}.json'
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data = json.loads(path.read_text(encoding='utf-8'))
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cldr = found[locale]
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before = json.dumps(data, ensure_ascii=False)
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data.setdefault('_meta', {})['clock'] = cldr['clock']
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number = {**cldr['number'], 'percent': ' %' if percent_space(code) else '%'}
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merge(data.setdefault('screen', {}), {'number': number, 'time': cldr['time'], 'date': cldr['date']})
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if json.dumps(data, ensure_ascii=False) != before:
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print(f'{code}: {"wrote" if write else "would change"} the CLDR texts')
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if write:
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write_language(code, data)
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table = regions()
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text = json.dumps({'_about': 'GENERATED by tools/i18n.py cldr: how every Home Assistant language writes the clock and '
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'numbers (Unicode CLDR, Home Assistant\'s own rule for the space before %). The app takes '
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'it for Settings -> Language & region set to Automatic.', **table},
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ensure_ascii=False, indent=1) + '\n'
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if not REGIONS.exists() or REGIONS.read_text(encoding='utf-8') != text:
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print(f'regions.json: {"wrote" if write else "would change"} the clock and numbers of {len(table)} languages')
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if write:
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REGIONS.write_text(text, encoding='utf-8')
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return 0
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def new_language(code, name, english, plural):
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"""A new language file: its _meta and the CLDR texts, every other text still English until someone translates it."""
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if not re.fullmatch(r'[a-z]{2,3}(-[A-Za-z0-9]{2,8})?', code) or (FOLDER / f'{code}.json').exists():
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raise SystemExit(f'{code}: not a new language code')
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if plural not in FORMS:
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raise SystemExit(f'plural must be one of {", ".join(FORMS)}')
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write_language(code, {'_meta': {'name': name, 'english': english, 'script': 'latin', 'plural': plural, 'clock': '24',
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'checked': False}, 'screen': {}, 'addon': {}, 'editor': {}})
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return cldr_dates(True, [code])
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if __name__ == '__main__':
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sys.exit(main())
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