151 lines
4.5 KiB
Python
151 lines
4.5 KiB
Python
"""Localization helpers"""
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import logging
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import os
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import re
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import sys
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import time
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from bmconfigparser import BMConfigParser
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logger = logging.getLogger('default')
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DEFAULT_ENCODING = 'ISO8859-1'
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DEFAULT_LANGUAGE = 'en_US'
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DEFAULT_TIME_FORMAT = '%Y-%m-%d %H:%M:%S'
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try:
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import locale
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encoding = locale.getpreferredencoding(True) or DEFAULT_ENCODING
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language = (
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locale.getlocale()[0] or locale.getdefaultlocale()[0]
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or DEFAULT_LANGUAGE)
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except (ImportError, AttributeError): # FIXME: it never happens
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logger.exception('Could not determine language or encoding')
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locale = None
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encoding = DEFAULT_ENCODING
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language = DEFAULT_LANGUAGE
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windowsLanguageMap = {
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"ar": "arabic",
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"cs": "czech",
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"da": "danish",
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"de": "german",
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"en": "english",
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"eo": "esperanto",
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"fr": "french",
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"it": "italian",
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"ja": "japanese",
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"nl": "dutch",
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"no": "norwegian",
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"pl": "polish",
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"pt": "portuguese",
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"ru": "russian",
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"sk": "slovak",
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"zh": "chinese",
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"zh_CN": "chinese-simplified",
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"zh_HK": "chinese-traditional",
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"zh_SG": "chinese-simplified",
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"zh_TW": "chinese-traditional"
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}
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time_format = BMConfigParser().safeGet(
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'bitmessagesettings', 'timeformat', DEFAULT_TIME_FORMAT)
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if not re.search(r'\d', time.strftime(time_format)):
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time_format = DEFAULT_TIME_FORMAT
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# It seems some systems lie about the encoding they use
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# so we perform comprehensive decoding tests
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elif sys.version_info[0] == 2:
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try:
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# Check day names
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for i in range(7):
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time.strftime(
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time_format, (0, 0, 0, 0, 0, 0, i, 0, 0)).decode(encoding)
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# Check month names
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for i in range(1, 13):
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time.strftime(
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time_format, (0, i, 0, 0, 0, 0, 0, 0, 0)).decode(encoding)
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# Check AM/PM
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time.strftime(
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time_format, (0, 0, 0, 11, 0, 0, 0, 0, 0)).decode(encoding)
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time.strftime(
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time_format, (0, 0, 0, 13, 0, 0, 0, 0, 0)).decode(encoding)
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# Check DST
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time.strftime(
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time_format, (0, 0, 0, 0, 0, 0, 0, 0, 1)).decode(encoding)
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except Exception: # TODO: write tests and determine exception types
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logger.exception('Could not decode locale formatted timestamp')
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# time_format = DEFAULT_TIME_FORMAT
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encoding = DEFAULT_ENCODING
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def setlocale(newlocale):
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"""Set the locale"""
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try:
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locale.setlocale(locale.LC_ALL, newlocale)
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except AttributeError: # locale is None
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pass
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# it looks like some stuff isn't initialised yet when this is called the
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# first time and its init gets the locale settings from the environment
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os.environ["LC_ALL"] = newlocale
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def formatTimestamp(timestamp=None):
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"""Return a formatted timestamp"""
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# For some reason some timestamps are strings so we need to sanitize.
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if timestamp is not None and not isinstance(timestamp, int):
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try:
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timestamp = int(timestamp)
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except: # noqa:E722
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timestamp = None
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# timestamp can't be less than 0.
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if timestamp is not None and timestamp < 0:
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timestamp = None
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if timestamp is None:
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timestring = time.strftime(time_format)
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else:
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# In case timestamp is too far in the future
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try:
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timestring = time.strftime(time_format, time.localtime(timestamp))
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except ValueError:
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timestring = time.strftime(time_format)
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if sys.version_info[0] == 2:
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return timestring.decode(encoding)
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return timestring
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def getTranslationLanguage():
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"""Return the user's language choice"""
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userlocale = BMConfigParser().safeGet(
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'bitmessagesettings', 'userlocale', 'system')
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return userlocale if userlocale and userlocale != 'system' else language
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def getWindowsLocale(posixLocale):
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"""
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Get the Windows locale
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Technically this converts the locale string from UNIX to Windows format,
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because they use different ones in their
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libraries. E.g. "en_EN.UTF-8" to "english".
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"""
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if posixLocale in windowsLanguageMap:
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return windowsLanguageMap[posixLocale]
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if "." in posixLocale:
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loc = posixLocale.split(".", 1)
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if loc[0] in windowsLanguageMap:
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return windowsLanguageMap[loc[0]]
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if "_" in posixLocale:
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loc = posixLocale.split("_", 1)
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if loc[0] in windowsLanguageMap:
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return windowsLanguageMap[loc[0]]
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if posixLocale != DEFAULT_LANGUAGE:
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return getWindowsLocale(DEFAULT_LANGUAGE)
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return None
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