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hanzi-convert
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hanzi-convert
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#!/usr/bin/env python
#
# Copyright 2014 Bernard Yue
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from __future__ import unicode_literals, absolute_import
__prog__ = 'hanzi-convert'
import os, sys, codecs
import argparse
import textwrap
import warnings
from hanziconv import HanziConv, __version__, __author__
class Main(object):
def run(self):
"""program entry point"""
args = self.parseArgs()
self.args = args
self.process(args.infile, args.outfile, args.simplified)
def parseArgs(self):
"""parsing input arguments
:returns : a parser.parse_arg() object
"""
desc = textwrap.dedent("""\
Simplified and Traditional Chinese Character Conversion
Version {} (By {})
Converting to Traditional Hanzi by default
""".format(__version__, __author__))
parser = argparse.ArgumentParser(prog=__prog__,
formatter_class=argparse.RawDescriptionHelpFormatter,
description=desc)
parser.add_argument('infile', type=str,
help='filename | "-", corresponds to stdin')
parser.add_argument('-o', '--output', dest='outfile',
default='',
help='filename to save output, default to stdout')
parser.add_argument('-s', '--simplified', action='store_true',
help='convert to simplified')
parser.add_argument('-v', '--version', action='version',
version='%(prog)s Version ' + __version__)
return parser.parse_args()
def process(self, infile, outfile, simplified):
"""Application workflow
:params infile: name of input file ('-' for stdin)
:params outfile: name of output file ('' for stdout)
:params simplified: bool flag. True -- convert to Simplified Text
False -- otherwise
:returns : None
"""
data = self.read(infile)
func = HanziConv.toTraditional
if simplified:
func = HanziConv.toSimplified
converted = ''
for line in data:
converted += func(line)
self.write(converted, outfile)
def read(self, filename):
"""Read content from filename, and stdin if filename = '-'
:params filename: name of input file ('-' for stdin)
:returns : html as string
"""
encoding = 'utf-8'
with warnings.catch_warnings():
warnings.simplefilter("ignore")
if filename == '-':
filename = ''
sys.stderr.write('Press Ctrl-D with finished' + os.linesep)
sys.stderr.flush()
if sys.version >= '3':
data = self.py3GetData(filename)
else:
data = self.py2GetData(filename)
return data
def py2GetData(self, filename):
"""read all unicode data from file for python 2.x. Return all data
in `filename` as `encoding`
:params filename: name of input file ('-' for stdin)
:returns : data in
"""
encoding = 'utf-8'
data = ''
if filename:
with open(filename, 'rU') as fh:
fh = codecs.getreader(encoding)(fh)
data = fh.read()
else:
sys.stdin = codecs.getreader(encoding)(sys.stdin)
data = sys.stdin.read()
return data
def py3GetData(self, filename):
"""read all unicode data from file for python 3.x. Return all data
in `filename` as `encoding`
:params filename: name of input file ('-' for stdin)
:returns : data in
"""
encoding = 'utf-8'
data = ''
if filename:
with open(filename, 'r', encoding=encoding) as fh:
data = fh.read()
else:
data = sys.stdin.read()
return data
def write(self, data, filename):
"""write `data` to `filename`, if 'filename` is '', write to stdout
:params data: (multiline) string to write to `filename`
:params filename: name of output file ('' for stdout)
:returns : None
"""
if sys.version >= '3':
self.py3WriteData(data, filename)
else:
self.py2WriteData(data, filename)
def py2WriteData(self, data, filename):
"""write unicode to file, python 2.x version
:params data: (multiline) string to write to `filename`
:params filename: name of output file ('' for stdout)
:returns : None
"""
if filename:
with codecs.open(filename, 'wU', encoding='utf-8') as fh:
fh.write(data)
else:
sys.stdout = codecs.getwriter("utf-8")(sys.stdout)
sys.stdout.write(data)
sys.stdout.flush()
def py3WriteData(self, data, filename):
"""write unicode to file, python 3.x version
:params data: (multiline) string to write to `filename`
:params filename: name of output file ('' for stdout)
:returns : None
"""
if filename:
with open(filename, 'w', encoding='utf-8') as fh:
fh.write(data)
else:
sys.stdout.write(data)
sys.stdout.flush()
if __name__ == '__main__':
Main().run()