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https://github.com/SchildiChat/SchildiChat-android.git
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140 lines
6.2 KiB
Python
Executable File
140 lines
6.2 KiB
Python
Executable File
#!/usr/bin/env python3
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from collections import OrderedDict
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import requests
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import json
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import re
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import os
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from bs4 import BeautifulSoup
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# A list of words to not capitalize in emoji-names
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capitalization_exclude = {'with', 'a', 'at', 'of', 'for', 'and', 'over', 'the', 'off', 'on', 'out', 'in', 'but', 'or'}
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# Create skeleton of the final json file as a python dictionary:
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emoji_picker_datasource = {
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"compressed": True,
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"categories": [],
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"emojis": {},
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"aliases": {}
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}
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emoji_picker_datasource_categories = emoji_picker_datasource["categories"]
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emoji_picker_datasource_emojis = emoji_picker_datasource["emojis"]
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# Get official emoji list from unicode.org (Emoji List, v13.1 at time of writing)
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print("Fetching emoji list from Unicode.org...")
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req = requests.get("https://unicode.org/emoji/charts/emoji-list.html")
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soup = BeautifulSoup(req.content, 'html.parser')
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# Navigate to table
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table = soup.body.table
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# Go over all rows
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print("Extracting emojis...")
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for row in table.find_all('tr'):
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# Add "bigheads" rows to categories
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if 'bighead' in next(row.children)['class']:
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relevant_element = row.find('a')
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category_id = relevant_element['name']
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category_name = relevant_element.text
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emoji_picker_datasource_categories.append({
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"id": category_id,
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"name": category_name,
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"emojis": []
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})
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# Add information in "rchars" rows to the last encountered category and emojis
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if row.find('td', class_='code'):
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# Get columns
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cols = row.find_all('td')
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no_element = cols[0]
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code_element = cols[1]
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sample_element = cols[2]
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cldr_element = cols[3]
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keywords_element = cols[4]
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# Extract information from columns
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# Extract name and id
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# => Remove spaces, colons and unicode-characters
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emoji_name = cldr_element.text
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emoji_id = cldr_element.text.lower()
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emoji_id = re.sub(r'[^A-Za-z0-9 ]+', '', emoji_id, flags=re.UNICODE) # Only keep alphanumeric, space characters
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emoji_id = emoji_id.strip() # Remove leading/trailing whitespaces
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emoji_id = emoji_id.replace(' ', '-')
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# Capitalize name according to the same rules as the previous emoji_picker_datasource.json
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# - Words are separated by any non-word character (\W), e.g. space, comma, parentheses, dots, etc.
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# - Words are capitalized if they are either at the beginning of the name OR not in capitalization_exclude (extracted from the previous datasource, too)
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emoji_name_cap = "".join([w.capitalize() if i == 0 or w not in capitalization_exclude else w for i, w in enumerate(re.split('(\W)', emoji_name))])
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# Extract emoji unicode-codepoint
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emoji_code_raw = code_element.text
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emoji_code_list = emoji_code_raw.split(" ")
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emoji_code_list = [e[2:] for e in emoji_code_list]
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emoji_code = "-".join(emoji_code_list)
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# Extract keywords
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emoji_keywords = keywords_element.text.split(" | ")
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# Add the emoji-id to the last entry in "categories"
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emoji_picker_datasource_categories[-1]["emojis"].append(emoji_id)
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# Add the emoji itself to the "emojis" dict
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emoji_picker_datasource_emojis[emoji_id] = {
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"a": emoji_name_cap,
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"b": emoji_code,
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"j": emoji_keywords
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}
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# The keywords of unicode.org are usually quite sparse.
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# There is no official specification of keywords beyond that, but muan/emojilib maintains a well maintained and
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# established repository with additional keywords. We extend our list with the keywords from there.
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# At the time of writing it had additional keyword information for all emojis except a few from the newest unicode 13.1.
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print("Fetching additional keywords from Emojilib...")
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req = requests.get("https://raw.githubusercontent.com/muan/emojilib/main/dist/emoji-en-US.json")
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emojilib_data = json.loads(req.content)
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# We just go over all the official emojis from unicode, and add the keywords there
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print("Adding keywords to emojis...")
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for emoji in emoji_picker_datasource_emojis:
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emoji_name = emoji_picker_datasource_emojis[emoji]["a"]
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emoji_code = emoji_picker_datasource_emojis[emoji]["b"]
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# Convert back to actual unicode emoji
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emoji_unicode = ''.join(map(lambda s: chr(int(s, 16)), emoji_code.split("-")))
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# Search for emoji in emojilib
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if emoji_unicode in emojilib_data:
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emoji_additional_keywords = emojilib_data[emoji_unicode]
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elif emoji_unicode+chr(0xfe0f) in emojilib_data:
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emoji_additional_keywords = emojilib_data[emoji_unicode+chr(0xfe0f)]
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else:
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print("* No additional keywords for", emoji_unicode, emoji_picker_datasource_emojis[emoji])
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continue
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# If additional keywords exist, add them to emoji_picker_datasource_emojis
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# Avoid duplicates and keep order. Put official unicode.com keywords first and extend up with emojilib ones.
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new_keywords = OrderedDict.fromkeys(emoji_picker_datasource_emojis[emoji]["j"] + emoji_additional_keywords)
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# Remove the ones derived from the unicode name
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for keyword in [emoji.replace("-", "_")] + [emoji.replace("-", " ")] + [emoji_name]:
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if keyword in new_keywords:
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new_keywords.pop(keyword)
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# Write new keywords back
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emoji_picker_datasource_emojis[emoji]["j"] = list(new_keywords.keys())
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# Filter out components from unicode 13.1 (as they are not suitable for single-emoji reactions)
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emoji_picker_datasource['categories'] = [x for x in emoji_picker_datasource['categories'] if x['id'] != 'component']
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# Write result to file (overwrite previous), without escaping unicode characters
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print("Writing emoji_picker_datasource.json...")
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scripts_dir = os.path.dirname(os.path.abspath(__file__))
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with open(os.path.join(scripts_dir, "../vector/src/main/res/raw/emoji_picker_datasource.json"), "w") as outfile:
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json.dump(emoji_picker_datasource, outfile, ensure_ascii=False, separators=(',', ':'))
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# Also export a formatted version
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print("Writing emoji_picker_datasource_formatted.json...")
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with open(os.path.join(scripts_dir, "../tools/emojis/emoji_picker_datasource_formatted.json"), "w") as outfile:
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json.dump(emoji_picker_datasource, outfile, ensure_ascii=False, indent=4)
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print("Done.")
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