chardet
fuzzywuzzy
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chardet | fuzzywuzzy | |
---|---|---|
8 | 20 | |
2,071 | 9,067 | |
1.2% | 0.0% | |
2.9 | 0.0 | |
6 months ago | about 1 year ago | |
Python | Python | |
GNU Lesser General Public License v3.0 only | GNU General Public License v2.0 only |
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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!
fuzzywuzzy
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Need help solving a subtitles problem. The logic seems complex
Do fuzzy matching (something like fuzzywuzzy maybe) to see if the the words line up (allowing for wrong words). You'll need to work out how to use scoring to work out how well aligned the two lists are.
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Thanks to this sub, we now have an Anki deck for Persona 5 Royal. Spreadsheet with Jp and Eng side by side too.
Convert the original lines to full furigana and do a fuzzy match. (For reference, the original line is 貴方がこれまでに得てきた力、存分に発揮してくださいね。) You can do a regional search using the initial scene data (E60) first, and if the confidence is low, go for a slower full search.
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Fuzzy search
It's now known as "thefuzz", see https://github.com/seatgeek/fuzzywuzzy
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import fuzzywuzzy
fuzzywuzzy is actually just called the thefuzz now.
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I made a bot that stops muck chains, here are the phrases that he looks for to flag the comment as a muck comment. Are there any muck forms I forgot about?
You can have a look at this library to use fuzzy search instead of looking for plaintext muck: https://github.com/seatgeek/fuzzywuzzy
- Test if two strings are similar?
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How would you approach this
To deal with comparing the string, I found FuzzyWuzzy ratio function that is returning a score of how much the strings are similar from 0-100.
- [D] Matching Records that "don't Exactly Match"
- Text Detection
- FuzzyWuzzy: Fuzzy String Matching in Python
What are some alternatives?
Charset Normalizer - Truly universal encoding detector in pure Python
jellyfish - 🪼 a python library for doing approximate and phonetic matching of strings.
ftfy - Fixes mojibake and other glitches in Unicode text, after the fact.
thefuzz - Fuzzy String Matching in Python
Levenshtein - The Levenshtein Python C extension module contains functions for fast computation of Levenshtein distance and string similarity
shortuuid - A generator library for concise, unambiguous and URL-safe UUIDs.
pyfiglet - An implementation of figlet written in Python
TextDistance - 📐 Compute distance between sequences. 30+ algorithms, pure python implementation, common interface, optional external libs usage.
uniout - Never see escaped bytes in output.
RapidFuzz - Rapid fuzzy string matching in Python using various string metrics