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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| from functools import lru_cache | ||
| import warnings | ||
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|
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| import os | ||
| import json | ||
| import importlib | ||
|
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| from AnyQt.QtCore import QSettings, QLocale | ||
|
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| def pl(n: int, forms: str) -> str: # pylint: disable=invalid-name | ||
| """ | ||
| Choose a singular/plural form for English - or create one, for regular nouns | ||
| `forms` can be a string containing the singular and plural form, separated | ||
| by "|", for instance `pl(n, "leaf|leaves")`. | ||
| For nouns that are formed by adding an -s (e.g. tree -> trees), | ||
| and for nouns that end with -y that is replaced by -ies | ||
| (dictionary -> dictionaries), it suffices to pass the noun, | ||
| e.g. `pl(n, "tree")`, `pl(n, "dictionary")`. | ||
| Args: | ||
| n: number | ||
| forms: plural forms, separated by "|", or a single (regular) noun | ||
| Returns: | ||
| form corresponding to the given number | ||
| """ | ||
| plural = int(n != 1) | ||
|
|
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| if "|" in forms: | ||
| return forms.split("|")[plural] | ||
|
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| if forms[-1] in "yY" and forms[-2] not in "aeiouAEIOU": | ||
| word = [forms, forms[:-1] + "ies"][plural] | ||
| else: | ||
| word = forms + "s" * plural | ||
| if forms.isupper(): | ||
| word = word.upper() | ||
| return word | ||
|
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| def _load_json(path): | ||
| with open(path) as handle: | ||
| return json.load(handle) | ||
|
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| @lru_cache | ||
| def get_languages(package=None): | ||
| if package is None: | ||
| package = "orangecanvas" | ||
| package_path = os.path.dirname(importlib.import_module(package).__file__) | ||
| msgs_path = os.path.join(package_path, "i18n") | ||
| if not os.path.exists(msgs_path): | ||
| return {} | ||
| names = {} | ||
| for name, ext in map(os.path.splitext, os.listdir(msgs_path)): | ||
| if ext == ".json": | ||
| try: | ||
| msgs = _load_json(os.path.join(msgs_path, name + ext)) | ||
| except json.JSONDecodeError: | ||
| warnings.warn("Invalid language file " | ||
| + os.path.join(msgs_path, name + ext)) | ||
| else: | ||
| names[msgs[0]] = name | ||
| return names | ||
|
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||
|
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| DEFAULT_LANGUAGE = QLocale().languageToString(QLocale().language()) | ||
| if DEFAULT_LANGUAGE not in get_languages(): | ||
| DEFAULT_LANGUAGE = "English" | ||
|
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|
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| def language_changed(): | ||
| s = QSettings() | ||
| lang = s.value("application/language", DEFAULT_LANGUAGE) | ||
| last_lang = s.value("application/last-used-language", DEFAULT_LANGUAGE) | ||
| return lang != last_lang | ||
|
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|
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| def update_last_used_language(): | ||
| s = QSettings() | ||
| lang = s.value("application/language", "English") | ||
| s.setValue("application/last-used-language", lang) | ||
|
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|
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| class _list(list): | ||
| # Accept extra argument to allow for the original string | ||
| def __getitem__(self, item): | ||
| if isinstance(item, tuple): | ||
| item = item[0] | ||
| return super().__getitem__(item) | ||
|
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|
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| class Translator: | ||
| e = eval | ||
|
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| def __init__(self, package, organization="biolab.si", application="Orange"): | ||
| s = QSettings(QSettings.IniFormat, QSettings.UserScope, | ||
| organization, application) | ||
| lang = s.value("application/language", DEFAULT_LANGUAGE) | ||
| # For testing purposes (and potential fallback) | ||
| # lang = os.environ.get("ORANGE_LANG", "English") | ||
| package_path = os.path.dirname(importlib.import_module(package).__file__) | ||
| lang_eng = get_languages().get(lang, lang) | ||
| path = os.path.join(package_path, "i18n", f"{lang_eng}.json") | ||
| if not os.path.exists(path): | ||
| path = os.path.join(package_path, "i18n", f"{DEFAULT_LANGUAGE}.json") | ||
| assert os.path.exists(path), f"Missing language file {path}" | ||
| self.m = _list(_load_json(path)) | ||
|
|
||
| # Extra argument(s) can give the original string or any other relevant data | ||
| def c(self, idx, *_): | ||
| return compile(self.m[idx], '<string>', 'eval') |
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