mirror of
https://github.com/eternnoir/pyTelegramBotAPI.git
synced 2023-08-10 21:12:57 +03:00
removed old class based i18n middleware
This commit is contained in:
abdullaev388
parent
9417c49d8e
commit
3a5db47c1b
@ -1,66 +0,0 @@
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import gettext
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import os
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class I18N:
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"""
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This class provides high-level tool for internationalization
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It is based on gettext util.
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"""
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def __init__(self, translations_path, domain_name: str):
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self.path = translations_path
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self.domain = domain_name
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self.translations = self.find_translations()
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@property
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def available_translations(self):
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return list(self.translations)
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def gettext(self, text: str, lang: str = None):
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"""
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Singular translations
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"""
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if not lang or lang not in self.translations:
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return text
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translator = self.translations[lang]
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return translator.gettext(text)
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def ngettext(self, singular: str, plural: str, lang: str = None, n=1):
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"""
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Plural translations
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"""
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if not lang or lang not in self.translations:
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if n == 1:
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return singular
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return plural
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translator = self.translations[lang]
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return translator.ngettext(singular, plural, n)
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def find_translations(self):
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"""
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Looks for translations with passed 'domain' in passed 'path'
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"""
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if not os.path.exists(self.path):
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raise RuntimeError(f"Translations directory by path: {self.path!r} was not found")
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result = {}
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for name in os.listdir(self.path):
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translations_path = os.path.join(self.path, name, 'LC_MESSAGES')
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if not os.path.isdir(translations_path):
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continue
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po_file = os.path.join(translations_path, self.domain + '.po')
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mo_file = po_file[:-2] + 'mo'
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if os.path.isfile(po_file) and not os.path.isfile(mo_file):
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raise FileNotFoundError(f"Translations for: {name!r} were not compiled!")
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with open(mo_file, 'rb') as file:
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result[name] = gettext.GNUTranslations(file)
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return result
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@ -1,23 +0,0 @@
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from telebot.types import InlineKeyboardMarkup, InlineKeyboardButton
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def languages_keyboard():
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return InlineKeyboardMarkup(
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keyboard=[
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[
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InlineKeyboardButton(text="English", callback_data='en'),
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InlineKeyboardButton(text="Русский", callback_data='ru'),
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InlineKeyboardButton(text="O'zbekcha", callback_data='uz_Latn')
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]
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]
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)
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def clicker_keyboard(_, lang):
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return InlineKeyboardMarkup(
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keyboard=[
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[
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InlineKeyboardButton(text=_("click", lang=lang), callback_data='click'),
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]
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]
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)
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@ -1,51 +0,0 @@
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# English translations for PROJECT.
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# Copyright (C) 2022 ORGANIZATION
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# This file is distributed under the same license as the PROJECT project.
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# FIRST AUTHOR <EMAIL@ADDRESS>, 2022.
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#
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msgid ""
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msgstr ""
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"Project-Id-Version: PROJECT VERSION\n"
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"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
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"POT-Creation-Date: 2022-02-18 17:54+0500\n"
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"PO-Revision-Date: 2022-02-18 16:22+0500\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language: en\n"
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"Language-Team: en <LL@li.org>\n"
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"Plural-Forms: nplurals=2; plural=(n != 1)\n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=utf-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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"Generated-By: Babel 2.9.1\n"
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#: keyboards.py:20
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msgid "click"
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msgstr ""
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#: main.py:78
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msgid ""
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"Hello, {user_fist_name}!\n"
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"This is the example of multilanguage bot.\n"
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"Available commands:\n"
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"\n"
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"/lang - change your language\n"
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"/plural - pluralization example"
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msgstr ""
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#: main.py:102
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msgid "Language has been changed"
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msgstr ""
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#: main.py:114
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#, fuzzy
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msgid "You have {number} click"
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msgid_plural "You have {number} clicks"
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msgstr[0] ""
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msgstr[1] ""
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#: main.py:120
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msgid ""
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"This is clicker.\n"
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"\n"
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msgstr ""
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@ -1,60 +0,0 @@
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# Russian translations for PROJECT.
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# Copyright (C) 2022 ORGANIZATION
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# This file is distributed under the same license as the PROJECT project.
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# FIRST AUTHOR <EMAIL@ADDRESS>, 2022.
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#
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msgid ""
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msgstr ""
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"Project-Id-Version: PROJECT VERSION\n"
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"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
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"POT-Creation-Date: 2022-02-18 17:54+0500\n"
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"PO-Revision-Date: 2022-02-18 16:22+0500\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language: ru\n"
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"Language-Team: ru <LL@li.org>\n"
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"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
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"n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)\n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=utf-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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"Generated-By: Babel 2.9.1\n"
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#: keyboards.py:20
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msgid "click"
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msgstr "Клик"
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#: main.py:78
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msgid ""
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"Hello, {user_fist_name}!\n"
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"This is the example of multilanguage bot.\n"
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"Available commands:\n"
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"\n"
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"/lang - change your language\n"
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"/plural - pluralization example"
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msgstr ""
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"Привет, {user_fist_name}!\n"
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"Это пример мультиязычного бота.\n"
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"Доступные команды:\n"
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"\n"
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"/lang - изменить язык\n"
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"/plural - пример плюрализации"
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#: main.py:102
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msgid "Language has been changed"
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msgstr "Язык был сменён"
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#: main.py:114
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msgid "You have {number} click"
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msgid_plural "You have {number} clicks"
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msgstr[0] "У вас {number} клик"
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msgstr[1] "У вас {number} клика"
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msgstr[2] "У вас {number} кликов"
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#: main.py:120
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msgid ""
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"This is clicker.\n"
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"\n"
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msgstr ""
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"Это кликер.\n"
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"\n"
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@ -1,58 +0,0 @@
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# Uzbek (Latin) translations for PROJECT.
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# Copyright (C) 2022 ORGANIZATION
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# This file is distributed under the same license as the PROJECT project.
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# FIRST AUTHOR <EMAIL@ADDRESS>, 2022.
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#
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msgid ""
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msgstr ""
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"Project-Id-Version: PROJECT VERSION\n"
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"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
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"POT-Creation-Date: 2022-02-18 17:54+0500\n"
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"PO-Revision-Date: 2022-02-18 16:22+0500\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language: uz_Latn\n"
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"Language-Team: uz_Latn <LL@li.org>\n"
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"Plural-Forms: nplurals=2; plural=(n != 1)\n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=utf-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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"Generated-By: Babel 2.9.1\n"
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#: keyboards.py:20
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msgid "click"
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msgstr "clik"
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#: main.py:78
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msgid ""
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"Hello, {user_fist_name}!\n"
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"This is the example of multilanguage bot.\n"
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"Available commands:\n"
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"\n"
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"/lang - change your language\n"
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"/plural - pluralization example"
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msgstr ""
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"Salom, {user_fist_name}!\n"
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"Bu multilanguage bot misoli.\n"
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"Mavjud buyruqlar:\n"
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"\n"
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"/lang - tilni ozgartirish\n"
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"/plural - pluralizatsiya misoli"
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#: main.py:102
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msgid "Language has been changed"
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msgstr "Til ozgartirildi"
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#: main.py:114
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msgid "You have {number} click"
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msgid_plural "You have {number} clicks"
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msgstr[0] "Sizda {number}ta clik"
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msgstr[1] "Sizda {number}ta clik"
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#: main.py:120
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msgid ""
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"This is clicker.\n"
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"\n"
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msgstr ""
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"Bu clicker.\n"
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"\n"
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@ -1,153 +0,0 @@
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"""
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In this example you will learn how to adapt your bot to different languages
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Using built-in class I18N.
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You need to install babel package 'https://pypi.org/project/Babel/'
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Babel provides a command-line interface for working with message catalogs
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After installing babel package you have a script called 'pybabel'
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Too see all the commands open terminal and type 'pybabel --help'
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Full description for pybabel commands can be found here: 'https://babel.pocoo.org/en/latest/cmdline.html'
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Create a directory 'locales' where our translations will be stored
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First we need to extract texts:
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pybabel extract -o locales/{domain_name}.pot --input-dirs .
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{domain_name}.pot - is the file where all translations are saved
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The name of this file should be the same as domain which you pass to I18N class
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In this example domain_name will be 'messages'
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For gettext (singular texts) we use '_' alias and it works perfect
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You may also you some alias for ngettext (plural texts) but you can face with a problem that
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your plural texts are not being extracted
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That is because by default 'pybabel extract' recognizes the following keywords:
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_, gettext, ngettext, ugettext, ungettext, dgettext, dngettext, N_
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To add your own keyword you can use '-k' flag
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In this example for 'ngettext' i will assign double underscore alias '__'
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Full command with pluralization support will look so:
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pybabel extract -o locales/{domain_name}.pot -k __:1,2 --input-dirs .
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Then create directories with translations (get list of all locales: 'pybabel --list-locales'):
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pybabel init -i locales/{domain_name}.pot -d locales -l en
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pybabel init -i locales/{domain_name}.pot -d locales -l ru
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pybabel init -i locales/{domain_name}.pot -d locales -l uz_Latn
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Now you can translate the texts located in locales/{language}/LC_MESSAGES/{domain_name}.po
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After you translated all the texts you need to compile .po files:
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pybabel compile -d locales
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When you delete/update your texts you also need to update them in .po files:
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pybabel extract -o locales/{domain_name}.pot -k __:1,2 --input-dirs .
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pybabel update -i locales/{domain_name}.pot -d locales
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- translate
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pybabel compile -d locales
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If you have any exceptions check:
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- you have installed babel
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- translations are ready, so you just compiled it
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- in the commands above you replaced {domain_name} to messages
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- you are writing commands from correct path in terminal
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"""
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from functools import wraps
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import keyboards
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from telebot import TeleBot, types, custom_filters
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from telebot.storage.memory_storage import StateMemoryStorage
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from i18n_class import I18N
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storage = StateMemoryStorage()
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bot = TeleBot("", state_storage=storage)
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i18n = I18N(translations_path='locales', domain_name='messages')
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_ = i18n.gettext # for singular translations
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__ = i18n.ngettext # for plural translations
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# These are example storages, do not use it in a production development
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users_lang = {}
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users_clicks = {}
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def get_user_language(func):
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"""
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This decorator will pass to your handler current user's language
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"""
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@wraps(func)
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def inner(*args, **kwargs):
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obj = args[0]
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kwargs.update(lang=users_lang.get(obj.from_user.id, 'en'))
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return func(*args, **kwargs)
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return inner
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@bot.message_handler(commands='start')
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@get_user_language
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def start_handler(message: types.Message, lang):
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text = _("Hello, {user_fist_name}!\n"
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"This is the example of multilanguage bot.\n"
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"Available commands:\n\n"
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"/lang - change your language\n"
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"/plural - pluralization example", lang=lang)
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# remember don't use f string for interpolation, use .format method instead
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text = text.format(user_fist_name=message.from_user.first_name)
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bot.send_message(message.from_user.id, text)
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@bot.message_handler(commands='lang')
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def change_language_handler(message: types.Message):
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bot.send_message(message.chat.id, "Choose language\nВыберите язык\nTilni tanlang",
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reply_markup=keyboards.languages_keyboard())
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@bot.callback_query_handler(func=None, text=custom_filters.TextFilter(contains=['en', 'ru', 'uz_Latn']))
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def language_handler(call: types.CallbackQuery):
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lang = call.data
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users_lang[call.from_user.id] = lang
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bot.edit_message_text(_("Language has been changed", lang=lang), call.from_user.id, call.message.id)
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bot.delete_state(call.from_user.id)
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@bot.message_handler(commands='plural')
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@get_user_language
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def pluralization_handler(message: types.Message, lang):
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if not users_clicks.get(message.from_user.id):
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users_clicks[message.from_user.id] = 0
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clicks = users_clicks[message.from_user.id]
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text = __(
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singular="You have {number} click",
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plural="You have {number} clicks",
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n=clicks,
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lang=lang
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)
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text = _("This is clicker.\n\n", lang=lang) + text.format(number=clicks)
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bot.send_message(message.chat.id, text, reply_markup=keyboards.clicker_keyboard(_, lang))
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@bot.callback_query_handler(func=None, text=custom_filters.TextFilter(equals='click'))
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@get_user_language
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def click_handler(call: types.CallbackQuery, lang):
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if not users_clicks.get(call.from_user.id):
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users_clicks[call.from_user.id] = 1
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else:
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users_clicks[call.from_user.id] += 1
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clicks = users_clicks[call.from_user.id]
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text = __(
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singular="You have {number} click",
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plural="You have {number} clicks",
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n=clicks,
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lang=lang
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)
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text = _("This is clicker.\n\n", lang=lang) + text.format(number=clicks)
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bot.edit_message_text(text, call.from_user.id, call.message.message_id,
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reply_markup=keyboards.clicker_keyboard(_, lang))
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if __name__ == '__main__':
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bot.add_custom_filter(custom_filters.TextMatchFilter())
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bot.infinity_polling()
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