cChardet/readme.md
2012-07-07 12:30:02 +09:00

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# cChardet
This library is high speed universal character encoding detector. - binding to [charsetdetect](https://bitbucket.org/medoc/uchardet-enhanced/overview).
This library is faster than [chardet](http://pypi.python.org/pypi/chardet).
# Support codecs
* Big5
* EUC-JP
* EUC-KR
* GB18030
* gb18030
* HZ-GB-2312
* IBM855
* IBM866
* ISO-2022-CN
* ISO-2022-JP
* ISO-2022-KR
* ISO-8859-2
* ISO-8859-5
* ISO-8859-7
* ISO-8859-8
* KOI8-R
* Shift_JIS
* TIS-620
* UTF-8
* UTF-16BE
* UTF-16LE
* UTF-32BE
* UTF-32LE
* WINDOWS-1250
* WINDOWS-1251
* WINDOWS-1252
* WINDOWS-1253
* WINDOWS-1255
* EUC-TW
* X-ISO-10646-UCS-4-2143
* X-ISO-10646-UCS-4-3412
* x-mac-cyrillic
# Requires
* Cython: [http://www.cython.org/](http://www.cython.org/)
e.g.) Ubuntu 12.04
$sudo apt-get install build-essential python-dev cython
# Installation
$cd /tmp
$git clone git://github.com/PyYoshi/cChardet.git
$cd cChardet
$python setup.py build
$sudo python setup.py install
or
$sudo easy_install cchardet
# Example
```python
# coding: utf8
import cchardet
msg = file(r"test/testdata/wikipediaJa_One_Thousand_and_One_Nights_SJIS.txt").read()
result = cchardet.detect(msg)
print(result)
result2 = cchardet.detect_with_confidence(msg)
print(result2)
```
# Test
$sudo easy_install or pip install -U chardet nose
$cd test
$nosetests --nocapture tests.py
# Benchmark
code: [tests.TestCchardetSpeed](https://github.com/PyYoshi/cChardet/blob/master/test/tests.py#L415)
sample: [test/testdata/wikipediaJa_One_Thousand_and_One_Nights_SJIS.txt](https://github.com/PyYoshi/cChardet/blob/master/test/testdata/wikipediaJa_One_Thousand_and_One_Nights_SJIS.txt)
### Performance:
CPU: Intel Core i7 860 2.8GHz
RAM: DDR3-1333 16GB
Platform: Windows 7 HP x64, Python 2.7.3 32-bit
### Result:
<table>
<tr>
<th></th><th>Request (call/s)</th><th>Result of encoding</th>
</tr>
<tr>
<td>chardet</td><td>0.25</td><td>shift_jis</td>
</tr>
<tr>
<td>cchardet</td><td>500.03</td><td>shift_jis</td>
</tr>
</table>
# License
* This library files("cchardet.pyx","setup.py","tests.py") are "The MIT License".
* Other Libraries License: Please, look at the [ext](https://github.com/PyYoshi/cChardet/tree/master/src/ext) directory.
# Thanks
* [https://bitbucket.org/medoc/uchardet-enhanced/overview](https://bitbucket.org/medoc/uchardet-enhanced/overview)
* [http://www.cython.org/](http://www.cython.org/)
# Contact
[My blog](http://blog.remu.biz)
Sorry for my poor English :)