Not sure if applicable to 3. Your use of str for raw binary data in memory is correct.
A write codec takes unicode and outputs bytes into the file. You're trying to do it backwards, hence our confusion about your intentions If the file should contain the binary data as-is: Then you must not send it through a codec; you must write it directly to the file.
A codec encodes everything and can only emit valid encodings of unicode in your case, valid UTF There is no input you can give it to make it emit arbitrary byte sequences! Note however that mixing UTF-8 with raw arbitrary data is very bad design, because such files are very inconvenient to deal with!
Tools that understand unicode will choke on the binary data, leaving you with not convenient way to even view let alone modify the file. If you want a friendly representation of arbitrary bytes in unicode: In this case it will only contain clean ascii, so it doesn't matter.
You may write explicitly data.
If you need a 1: This quite kills the "elegance" of having a 1: Considering these drawbacks, I do not recommend latin1 unless you understand exactly why you want it. I'm just mentioning it as the other "natural" encoding that springs to mind.plombier-nemours.comdFile (file, data_encoding, A number of predefined codecs are specific to Python, so their codec names have no meaning outside Python.
For the stateful encoder this is only done once (on the first write to the byte stream).
|utf 8 - Write to UTF-8 file in Python - Stack Overflow||You will also have avoided one of the more subtle errors, that integer division now can return a float. There is still a range of common errors you may run into.|
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|Writing Unicode text to a text file?||Can also be accessed through Gmane:|
For decoding an optional UTF-8 encoded BOM at the start of the data will be skipped. Codec Base Classes¶. The codecs module defines a set of base classes which define the interfaces for working with codec objects, and can also be used as the basis for custom codec implementations..
Each codec has to define four interfaces to make it usable as codec in Python: stateless encoder, stateless decoder, stream reader and stream writer.
Aug 02, · void PyUnicode_WRITE (int kind, To decode file names during argument parsing, the "O&" converter should be used, passing PyUnicode_FSDecoder() as the conversion function: Built-in Codecs¶ Python provides a set of built-in codecs which are written in C for speed.
All of these codecs are directly usable via the following.
I have JSON data stored in the variable data. I want to write this to a text file for testing so I don't have to grab the data from the server each time.
Currently, I am trying this: obj = open. You can write into a plombier-nemours.com file a str object, but only if the str is encoded in the default encoding, which means that for safety that's only safe if the str is plain ASCII.
The default encoding is and should be left as ASCII; see Changing default encoding of Python? I believe the problem is that plombier-nemours.com_UTF8 is a byte string, not a Unicode string.
I suspect the file handler is trying to guess what you really mean based on "I'm meant to be writing Unicode as UTFencoded text, but you've given me a byte string!".