78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
import os, json
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from path import path
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# BASE_DIR is the working directory to execute django-admin commands from.
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# Typically this should be the 'mitx' directory.
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BASE_DIR = path(__file__).abspath().dirname().joinpath('..').normpath()
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# LOCALE_DIR contains the locale files.
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# Typically this should be 'mitx/conf/locale'
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LOCALE_DIR = BASE_DIR.joinpath('conf', 'locale')
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class Configuration:
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"""
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# Reads localization configuration in json format
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"""
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_source_locale = 'en'
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def __init__(self, filename):
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self._filename = filename
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self._config = self.read_config(filename)
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def read_config(self, filename):
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"""
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Returns data found in config file (as dict), or raises exception if file not found
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"""
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if not os.path.exists(filename):
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raise Exception("Configuration file cannot be found: %s" % filename)
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with open(filename) as stream:
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return json.load(stream)
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@property
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def locales(self):
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"""
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Returns a list of locales declared in the configuration file,
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e.g. ['en', 'fr', 'es']
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Each locale is a string.
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"""
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return self._config['locales']
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@property
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def source_locale(self):
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"""
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Returns source language.
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Source language is English.
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"""
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return self._source_locale
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@property
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def dummy_locale(self):
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"""
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Returns a locale to use for the dummy text, e.g. 'eo'.
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Throws exception if no dummy-locale is declared.
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The locale is a string.
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"""
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dummy = self._config.get('dummy-locale', None)
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if not dummy:
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raise Exception('Could not read dummy-locale from configuration file.')
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return dummy
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def get_messages_dir(self, locale):
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"""
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Returns the name of the directory holding the po files for locale.
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Example: mitx/conf/locale/fr/LC_MESSAGES
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"""
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return LOCALE_DIR.joinpath(locale, 'LC_MESSAGES')
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@property
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def source_messages_dir(self):
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"""
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Returns the name of the directory holding the source-language po files (English).
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Example: mitx/conf/locale/en/LC_MESSAGES
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"""
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return self.get_messages_dir(self.source_locale)
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CONFIGURATION = Configuration(LOCALE_DIR.joinpath('config').normpath())
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