egutierrez
928a3319d5
178 archivos: módulo core.py actualizado + ~80 funciones nuevas con tests. Incluye: parse_llm_json, extract_text_from_file, retry_with_backoff, circuit_breaker, from_csv/to_csv, from_jsonl/to_jsonl, html_to_markdown, pdf_to_markdown, docx/epub/excel converters, cache_decorator, react_loop, task_manager, template rendering, entre otros. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
92 lines
2.8 KiB
Python
92 lines
2.8 KiB
Python
"""Traduccion de claves con dot-path notation e interpolacion de variables."""
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import threading
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_locale_local = threading.local()
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_translations: dict = {}
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_default_locale: str = "en"
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def _set_translations(translations: dict, default_locale: str = "en") -> None:
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"""Configura el diccionario global de traducciones y el locale default.
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Llamar desde load_translations o al inicio de la aplicacion.
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"""
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global _translations, _default_locale
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_translations = translations
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_default_locale = default_locale
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def _set_locale(locale: str) -> None:
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"""Establece el locale para el thread actual."""
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_locale_local.locale = locale
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def _get_locale() -> str:
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"""Retorna el locale del thread actual, o el default si no esta configurado."""
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return getattr(_locale_local, "locale", _default_locale)
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def _resolve_key(translations: dict, locale: str, key: str) -> str | None:
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"""Navega dot-path en el diccionario de traducciones para un locale.
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Returns:
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El string de traduccion si existe, None si no.
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"""
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locale_dict = translations.get(locale)
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if not locale_dict:
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return None
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parts = key.split(".")
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node = locale_dict
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for part in parts:
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if not isinstance(node, dict):
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return None
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node = node.get(part)
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if node is None:
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return None
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return node if isinstance(node, str) else None
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def t(key: str, locale: str | None = None, **kwargs) -> str:
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"""Traduce una clave con dot-path notation al idioma actual.
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Determina el locale en orden de prioridad: parametro > thread-local > default.
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Soporta interpolacion de variables con {nombre} en el valor traducido.
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Si la clave no existe en el locale solicitado, intenta el locale default.
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Si tampoco existe, retorna la clave tal cual.
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Args:
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key: Clave de traduccion en dot-path notation (ej: "report.taskStarted").
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locale: Locale a usar. Si es None usa el locale del thread actual.
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**kwargs: Variables para interpolar en el string traducido.
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Returns:
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String traducido con variables interpoladas, o la key si no se encontro.
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Example:
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>>> # translations = {"en": {"report": {"sectionStart": "Section: {title}"}}}
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>>> t("report.sectionStart", locale="en", title="Introduction")
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'Section: Introduction'
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>>> t("nonexistent.key", locale="en")
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'nonexistent.key'
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"""
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resolved_locale = locale if locale is not None else _get_locale()
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value = _resolve_key(_translations, resolved_locale, key)
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if value is None and resolved_locale != _default_locale:
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value = _resolve_key(_translations, _default_locale, key)
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if value is None:
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return key
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if kwargs:
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try:
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value = value.format(**kwargs)
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except (KeyError, ValueError):
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pass
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return value
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