Charset Normalizer
chardet
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Charset Normalizer | chardet | |
---|---|---|
4 | 8 | |
521 | 2,071 | |
- | 1.2% | |
8.5 | 2.9 | |
5 days ago | 6 months ago | |
Python | Python | |
MIT License | GNU Lesser General Public License v3.0 only |
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Charset Normalizer
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Everything to know about Requests v2.26.0
Starting in v2.26.0 for Python 3 the new default library for encoding detection will be charset_normalizer which is MIT licensed. The library itself is relatively young so a lot of work has gone into making sure users aren't broken with this change including extensive tests against real-life websites and comparing the results against chardet to ensure better performance and accuracy in every case.
- ✏️ Charset-Normalizer v2 - Charset Detection - x2 faster than Chardet - x3 more encoding supported! - And BC with Chardet
- Charset-Normalizer 2.0, x2 faster than Chardet, x3 more encodings supported
- Python Chardet alternative, Charset-Normalizer version 1.4 available
chardet
- After almost a year, Ben Eater is back
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3 Ways to Handle non UTF-8 Characters in Pandas
chardet is a library for decoding characters, once installed you can use the following to determine encoding:
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In MySQL, never use “utf8”. Use “utf8mb4”
The craziest issue I had was I couldn't predict what char encoding the text in my database was in. Most users entered Windows-1252, some text blobs were UTF-16, others were European character sets, and some were UTF-8. Some were Japanese SHIFT_JIS. Don't ask me how any of this happened. I retrospect, I should have dumped all the tables from MySQL and used the excellent PyPy Chardet [1] library to see what I was dealing with, do the conversions and then re-import the data. But then someone could copy UTF-16 from a Windows document and paste it in, so you have to convert going in to the database.
You have set Apache to UTF-8, PHP to UTF-8, MySQL to UTF-8, and the MySQL driver you are using to UTF-8. It's not clear how these setting interact. Are there silent conversions happening or do you always have to detect the encoding on data coming from the server? HTML pages have a character encoding specifier, but the BOM at the start of the file takes precedence (I think.) I got it to work by always detecting encoding for any text coming from the database and using iconv, but this turned out to be really slow and unreliable. It was truly the biggest mess by an order of magnitude than any other programming problem I faced in my career.
Would not attempt again.
[1] https://github.com/chardet/chardet
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Encoding detection
I found there is a https://github.com/chardet/chardet python library, which can be ported to Common Lisp.
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How to convert cmd output to UTF-8
Then use chardet to determine the encoding from the content
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Everything to know about Requests v2.26.0
The library that Requests uses for content encoding detection has for the past 10 years been chardet which is licensed LGPL-2.1.
- PyWhat: Identify Anything
- UTF-8 is not enough? Requesting help with an open source project!
What are some alternatives?
xpinyin - Translate Chinese hanzi to pinyin (拼音) by Python, 汉字转拼音
fuzzywuzzy - Fuzzy String Matching in Python
Levenshtein - The Levenshtein Python C extension module contains functions for fast computation of Levenshtein distance and string similarity
ftfy - Fixes mojibake and other glitches in Unicode text, after the fact.
pyfiglet - An implementation of figlet written in Python
shortuuid - A generator library for concise, unambiguous and URL-safe UUIDs.
uniout - Never see escaped bytes in output.