bazarr/libs/babelfish/script.py
2018-09-16 20:33:04 -04:00

76 lines
2 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (c) 2013 the BabelFish authors. All rights reserved.
# Use of this source code is governed by the 3-clause BSD license
# that can be found in the LICENSE file.
#
from __future__ import unicode_literals
from collections import namedtuple
from pkg_resources import resource_stream # @UnresolvedImport
from . import basestr
#: Script code to script name mapping
SCRIPTS = {}
#: List of countries in the ISO-15924 as namedtuple of code, number, name, french_name, pva and date
SCRIPT_MATRIX = []
#: The namedtuple used in the :data:`SCRIPT_MATRIX`
IsoScript = namedtuple('IsoScript', ['code', 'number', 'name', 'french_name', 'pva', 'date'])
f = resource_stream('babelfish', 'data/iso15924-utf8-20131012.txt')
f.readline()
for l in f:
l = l.decode('utf-8').strip()
if not l or l.startswith('#'):
continue
script = IsoScript._make(l.split(';'))
SCRIPT_MATRIX.append(script)
SCRIPTS[script.code] = script.name
f.close()
class Script(object):
"""A human writing system
A script is represented by a 4-letter code from the ISO-15924 standard
:param string script: 4-letter ISO-15924 script code
"""
def __init__(self, script):
if script not in SCRIPTS:
raise ValueError('%r is not a valid script' % script)
#: ISO-15924 4-letter script code
self.code = script
@property
def name(self):
"""English name of the script"""
return SCRIPTS[self.code]
def __getstate__(self):
return self.code
def __setstate__(self, state):
self.code = state
def __hash__(self):
return hash(self.code)
def __eq__(self, other):
if isinstance(other, basestr):
return self.code == other
if not isinstance(other, Script):
return False
return self.code == other.code
def __ne__(self, other):
return not self == other
def __repr__(self):
return '<Script [%s]>' % self
def __str__(self):
return self.code