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demoji-lambda-0.4.0
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مشاهده بیشترتوضیحات
Accurately remove and replace emojis in text strings
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | demoji-lambda-0.4.0 |
| نام | demoji-lambda |
| نسخه کتابخانه | 0.4.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Brad Solomon |
| ایمیل نویسنده | bsolomon@protonmail.com |
| آدرس صفحه اصلی | https://github.com/tho-asterist/demoji |
| آدرس اینترنتی | https://pypi.org/project/demoji-lambda/ |
| مجوز | Apache-2.0 |
# demoji_lambda
Forked from https://github.com/bsolomon1124/demoji
Accurately find or remove [emojis](https://en.wikipedia.org/wiki/Emoji) from a blob of text.
[](https://github.com/bsolomon1124/demoji/blob/master/LICENSE)
[](https://pypi.org/project/demoji/)
[](https://pypi.org/project/demoji/)
[](https://pypi.org/project/demoji)
-------
## Basic Usage
`demoji` requires an initial data download from the Unicode Consortium's [emoji code repository](http://unicode.org/Public/emoji/12.0/emoji-test.txt).
On first use of the package, call `download_codes()`:
```python
>>> import demoji
>>> demoji.download_codes()
Downloading emoji data ...
... OK (Got response in 0.14 seconds)
Writing emoji data to /Users/brad/.demoji/codes.json ...
... OK
```
This will store the Unicode hex-notated symbols at `~/.demoji/codes.json` for future use.
`demoji` exports several text-related functions for find-and-replace functionality with emojis:
```python
>>> tweet = """\
... #startspreadingthenews yankees win great start by 🎅🏾 going 5strong innings with 5k’s🔥 🐂
... solo homerun 🌋🌋 with 2 solo homeruns and👹 3run homerun… 🤡 🚣🏼 👨🏽⚖️ with rbi’s … 🔥🔥
... 🇲🇽 and 🇳🇮 to close the game🔥🔥!!!….
... WHAT A GAME!!..
... """
>>> demoji.findall(tweet)
{
"🔥": "fire",
"🌋": "volcano",
"👨🏽\u200d⚖️": "man judge: medium skin tone",
"🎅🏾": "Santa Claus: medium-dark skin tone",
"🇲🇽": "flag: Mexico",
"👹": "ogre",
"🤡": "clown face",
"🇳🇮": "flag: Nicaragua",
"🚣🏼": "person rowing boat: medium-light skin tone",
"🐂": "ox",
}
```
See [below](#reference) for function API.
The reason that `demoji` requires a download rather than coming pre-packaged with Unicode emoji data is that the emoji list itself is frequently updated and changed. You are free to periodically update the local cache by calling `demoji.download_codes()` every so often.
To pull your last-downloaded date, you can use the `last_downloaded_timestamp()` helper:
```python
>>> demoji.last_downloaded_timestamp()
datetime.datetime(2019, 2, 9, 7, 42, 24, 433776, tzinfo=<demoji.UTC object at 0x101b9ecf8>)
```
The result will be `None` if codes have not previously been downloaded.
## Reference
Note: `Text` refers to [`typing.Text`](https://docs.python.org/3/library/typing.html#typing.Text), an alias for `str` in Python 3 or `unicode` in Python 2.
```python
download_codes() -> None
```
Download emoji data to \~/.demoji/codes.json. Required at first module usage, and can be used to periodically update data.
```python
findall(string: Text) -> Dict[Text, Text]
```
Find emojis within `string`. Return a mapping of `{emoji: description}`.
```python
findall_list(string: Text, desc: bool = True) -> List[Text]
```
Find emojis within `string`. Return a list (with possible duplicates).
If `desc` is True, the list contains description codes. If `desc` is False, the list contains emojis.
```python
replace(string: Text, repl: Text = "") -> Text
```
Replace emojis in `string` with `repl`.
```python
replace_with_desc(string: Text, sep: Text = ":") -> Text
```
Replace emojis in `string` with their description codes. The codes are surrounded by `sep`.
```python
last_downloaded_timestamp() -> Optional[datetime.datetime]
```
Show the timestamp of last download from `download_codes()`.
## Footnote: Emoji Sequences
Numerous emojis that look like single Unicode characters are actually multi-character sequences. Examples:
- The keycap 2️⃣ is actually 3 characters, U+0032 (the ASCII digit 2), U+FE0F (variation selector), and U+20E3 (combining enclosing keycap).
- The flag of Scotland 7 component characters, `b'\\U0001f3f4\\U000e0067\\U000e0062\\U000e0073\\U000e0063\\U000e0074\\U000e007f'` in full esaped notation.
(You can see any of these through `s.encode("unicode-escape")`.)
`demoji` is careful to handle this and should find the full sequences rather than their incomplete subcomponents.
The way it does this it to sort emoji codes by their length, and then compile a concatenated regular expression that will greedily search for longer emojis first, falling back to shorter ones if not found. This is not by any means a super-optimized way of searching as it has O(N<sup>2</sup>) properties, but the focus is on accuracy and completeness.
```python
>>> from pprint import pprint
>>> seq = """\
... I bet you didn't know that 🙋, 🙋♂️, and 🙋♀️ are three different emojis.
... """
>>> pprint(seq.encode('unicode-escape')) # Python 3
(b"I bet you didn't know that \\U0001f64b, \\U0001f64b\\u200d\\u2642\\ufe0f,"
b' and \\U0001f64b\\u200d\\u2640\\ufe0f are three different emojis.\\n')
```
# Changelog
## 0.4.0
- Update emoji source list to version 13.1. (See 5090eb5.)
- Formally support Python 3.9. (See 6e9c34c.)
- Bugfix: ensure that `demoji.last_downloaded_timestamp()` returns correct UTC time.
(See 6c8ad15.)
## 0.3.0
- Feature: add `findall_list()` and `replace_with_desc()` functions. (See 7cea333.)
- Modernize setup config to use `setup.cfg`. (See 8f141e7.)
## 0.2.1
- Tox: formally add Python 3.8 tests.
## 0.2.0
- Windows: use the [colorama] package to support printing ANSI escape sequences on Windows;
this introduces colorama as a dependency. (See cd343c1.)
- Setup: Fix a bug in `setup.py` that would require dependencies to be installed
_prior to_ installation of `demoji` in order to find the `__version__`.
(See d5f429c.)
- Python 2 + Windows support: use `io.open(..., encoding='utf-8')` consistently in `setup.py`.
(See 1efec5d.)
- Distribution: use a universal wheel in PyPI release. (See 8636a32.)
[colorama]: https://github.com/tartley/colorama
## 0.1.5
- Performance improvement: use `re.escape()` rather than failing to compile a small subset of codes.
- Remove an unused constant in `__init__.py`.
زبان مورد نیاز
| مقدار | نام |
|---|---|
| !=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7 | Python |
نحوه نصب
نصب پکیج whl demoji-lambda-0.4.0:
pip install demoji-lambda-0.4.0.whl
نصب پکیج tar.gz demoji-lambda-0.4.0:
pip install demoji-lambda-0.4.0.tar.gz