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String In python with my unicode?

Python 3.2 (r32:88445, Feb 20 2011, 21:29:02) [MSC v.1500 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> str_version = 'នយោបាយ'
>>> type(str_version)
<class 'str'>
>>> print (str_version)
នយោបាយ
>>> unicode_version = 'នយោបាយ'.decode('utf-8')
Traceback (most recent call last):
 File "<pyshell#3>", line 1, in <module>
 unicode_version = 'នយោបាយ'.decode('utf-8')
AttributeError: 'str' object has no attribute 'decode'
>>>

What the problem with my unicode string?

Answer*

There is nothing wrong with your string! You just have confused `encode()` and `decode()`. The string is meaningful symbols. To turn it into bytes that could be stored in a file or transmitted over the Internet, use `encode()` with an *encoding* like UTF-8. Each encoding is a scheme for converting meaningful symbols to flat bytes of output.

When the time comes to do the opposite — to take some raw bytes from a file or a socket and turn them into symbols like letters and numbers — you will *decode* the bytes using the `decode()` method of bytestrings in Python 3.

 >>> str_version = 'នយោបាយ'
 >>> str_version.encode('utf-8')
 b'\xe1\x9e\x93\xe1\x9e\x99\xe1\x9f\x84\xe1\x9e\x94\xe1\x9e\xb6\xe1\x9e\x99'

See that big long line of bytes? Those are the bytes that UTF-8 uses to represent your string, if you need to transmit the string over a network, or store them in a document. There are many other encodings in use, but it seems to be the most popular. Each encoding can turn meaningful symbols like ន and យោ into bytes — the little 8-bit numbers with which computers communicate.

 >>> rawbytes = str_version.encode('utf-8')
 >>> rawbytes
 b'\xe1\x9e\x93\xe1\x9e\x99\xe1\x9f\x84\xe1\x9e\x94\xe1\x9e\xb6\xe1\x9e\x99'
 >>> rawbytes.decode('utf-8')
 'នយោបាយ'

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still not clean .Could you more clear explain ? thanks Brandon Craig Rhodes

tree em
– tree em

2011年03月26日 21:05:23 +00:00
Commented Mar 26, 2011 at 21:05
I have added another paragraph, and some code samples — do those make it any clearer?

Brandon Rhodes
– Brandon Rhodes

2011年03月26日 21:09:17 +00:00
Commented Mar 26, 2011 at 21:09
Now it's clear .I understand right now from your example ,thank you so much @Brandon Craig Rhodes

tree em
– tree em

2011年03月26日 21:12:13 +00:00
Commented Mar 26, 2011 at 21:12

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String In python with my unicode?

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