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Improve: [newmm tokenizer] Change regular expression of "non-thai-characters" #856

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merged 13 commits into from
Nov 5, 2023

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konbraphat51
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@konbraphat51 konbraphat51 commented Nov 1, 2023

What does this changes

Make the newmm tokenization more accurate; recognize more characters as "non-thai"

What was wrong

#855
It sometimes didn't recognize non-thai symbols as non-thai
"(คนไม่เอา)" -> ['(คน', 'ไม่', 'เอา', ')']
"กม/ชม" -> ['กม', '/ชม']
"สีหน้า(รถ)" -> ['สีหน้า', '(รถ)']

How this fixes it

Fixed the recognition method of "non-thai-character".
The examples above are all improved.

Your checklist for this pull request

  • Passed code styles and structures
  • Passed code linting checks and unit test

Before: directly descript non-thai-characters by rule-based
After: Just set as "anything except Thai-characters"
@wannaphong wannaphong linked an issue Nov 1, 2023 that may be closed by this pull request
@bact bact added the bug bugs in the library label Nov 1, 2023
@bact bact added this to the 4.1 milestone Nov 1, 2023
@bact bact added this to To do in PyThaiNLP Nov 1, 2023
@konbraphat51
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['👍👍👍 # ana', 'มาก', 'xxrep', 'xxwrep', 'น้อย', '.1146'] != ['xxwrep', '👍', '#', 'ana', 'มาก', 'xxrep', 'xxwrep', 'น้อย', '.', '1146']

It seems that this change makes the tokenization more minute than the test-case.
What do orginizers here think about this?

@wannaphong
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['👍👍👍 # ana', 'มาก', 'xxrep', 'xxwrep', 'น้อย', '.1146'] != ['xxwrep', '👍', '#', 'ana', 'มาก', 'xxrep', 'xxwrep', 'น้อย', '.', '1146']

It seems that this change makes the tokenization more minute than the test-case. What do orginizers here think about this?

Can you update the pull request? 9df5a4a

@konbraphat51
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Greetings PR check

Resource not accessible by integration

I don't understand this. It this error common in this project?

Update thai2fit tokenizer
@konbraphat51
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['👍👍👍 # ana', 'มาก', 'xxrep', 'xxwrep', 'น้อย', '.1146'] != ['xxwrep', '👍', '#', 'ana', 'มาก', 'xxrep', 'xxwrep', 'น้อย', '.', '1146']

It seems that this change makes the tokenization more minute than the test-case. What do orginizers here think about this?

Can you update the pull request? 9df5a4a

Updated

@konbraphat51
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konbraphat51 commented Nov 1, 2023

It seems that there is unit-test error occuring by 9df5a4a

Ignorable?

@wannaphong
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Ignorable

Yes, It's self-host issues but I don't have time to new setup. The unit-test by GitHub is look good https://github.com/PyThaiNLP/pythainlp/actions/runs/6718024461/job/18256943528

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Coverage Status

coverage: 0.0% (-87.0%) from 86.983% when pulling a5b6db4 on konbraphat51:dev into 9df5a4a on PyThaiNLP:dev.

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wannaphong commented Nov 1, 2023

I add some rule to fixed the error. konbraphat51#2

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pep8speaks commented Nov 1, 2023

Hello @konbraphat51! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

Line 42:1: E122 continuation line missing indentation or outdented

Comment last updated at 2023-11-01 13:08:42 UTC

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I merged and modified @wannaphong PR. Please check.

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OK. It look ['เวลา', ' ', '12:12pm ', 'มี', 'โปรโมชั่น', ' ', '11.11'] is error. ['เวลา', ' ', '12:12pm',' ', 'มี', 'โปรโมชั่น', ' ', '11.11'] is correct.

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I fixed.

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In my case, fb3e7bb showed
['เวลา', ' ', '12', ':12pm ', 'มี', 'โปรโมชั่น', ' ', '11.11']

The last [^\u0E00-\u0E7F]+ scoups up all the non-thai character until it hits Thai character

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In my case, fb3e7bb showed ['เวลา', ' ', '12', ':12pm ', 'มี', 'โปรโมชั่น', ' ', '11.11']

The last [^\u0E00-\u0E7F]+ scoups up all the non-thai character until it hits Thai character

3d889f7 showed

>>> from pythainlp.tokenize import word_tokenize
>>> word_tokenize("เวลา 12:12pm มีโปรโมชั่น 11.11")
['เวลา', ' ', '12:12pm', ' ', 'มี', 'โปรโมชั่น', ' ', '11.11']
>>> word_tokenize("กม/ชม")
['กม', '/', 'ชม']
>>> word_tokenize("(คนไม่เอา)")
['(', 'คน', 'ไม่', 'เอา', ')']
>>> word_tokenize("สีหน้า(รถ)")
['สีหน้า', '(', 'รถ', ')']

@konbraphat51
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In my case, fb3e7bb showed ['เวลา', ' ', '12', ':12pm ', 'มี', 'โปรโมชั่น', ' ', '11.11']
The last [^\u0E00-\u0E7F]+ scoups up all the non-thai character until it hits Thai character

3d889f7 showed

>>> from pythainlp.tokenize import word_tokenize
>>> word_tokenize("เวลา 12:12pm มีโปรโมชั่น 11.11")
['เวลา', ' ', '12:12pm', ' ', 'มี', 'โปรโมชั่น', ' ', '11.11']
>>> word_tokenize("กม/ชม")
['กม', '/', 'ชม']
>>> word_tokenize("(คนไม่เอา)")
['(', 'คน', 'ไม่', 'เอา', ')']
>>> word_tokenize("สีหน้า(รถ)")
['สีหน้า', '(', 'รถ', ')']

Oh sorry, I was testing by segment() function. Didn't notice there was a post-process.
3d889f7 This seems good to me :)

Interntion for ` \t\r\n`
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sonarcloud bot commented Nov 1, 2023

Kudos, SonarCloud Quality Gate passed!    Quality Gate passed

Bug A 0 Bugs
Vulnerability A 0 Vulnerabilities
Security Hotspot A 0 Security Hotspots
Code Smell A 0 Code Smells

No Coverage information No Coverage information
No Duplication information No Duplication information

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Added the commentation for further maintenance.

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Awesome 💯

@wannaphong wannaphong requested a review from bact November 3, 2023 17:21
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Looks fine. Doesn't break the number grouping.

@bact bact moved this from To do to Done in PyThaiNLP Nov 4, 2023
@bact bact moved this from Done to In progress in PyThaiNLP Nov 4, 2023
@wannaphong wannaphong merged commit de28159 into PyThaiNLP:dev Nov 5, 2023
12 of 14 checks passed
PyThaiNLP automation moved this from In progress to Done Nov 5, 2023
@bact bact mentioned this pull request Nov 13, 2023
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Question: newmm tokenizer, why not just thai characters?
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