mirror of https://github.com/zulip/zulip.git
135 lines
5.1 KiB
Python
135 lines
5.1 KiB
Python
# This file contains various helper functions used by `build_emoji` tool.
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# See docs/subsystems/emoji.md for details on how this system works.
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from collections import defaultdict
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from typing import Any, Dict, List
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# Emoji sets that we currently support.
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EMOJISETS = ["google", "twitter"]
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# Some image files in the old emoji farm had a different name than in the new emoji
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# farm. `remapped_emojis` is a map that contains a mapping of their name in the old
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# emoji farm to their name in the new emoji farm.
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REMAPPED_EMOJIS = {
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"0023": "0023-20e3", # Hash
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"0030": "0030-20e3", # Zero
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"0031": "0031-20e3", # One
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"0032": "0032-20e3", # Two
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"0033": "0033-20e3", # Three
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"0034": "0034-20e3", # Four
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"0035": "0035-20e3", # Five
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"0036": "0036-20e3", # Six
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"0037": "0037-20e3", # Seven
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"0038": "0038-20e3", # Eight
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"0039": "0039-20e3", # Nine
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"1f1e8": "1f1e8-1f1f3", # cn
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"1f1e9": "1f1e9-1f1ea", # de
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"1f1ea": "1f1ea-1f1f8", # es
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"1f1eb": "1f1eb-1f1f7", # fr
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"1f1ec": "1f1ec-1f1e7", # gb/us
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"1f1ee": "1f1ee-1f1f9", # it
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"1f1ef": "1f1ef-1f1f5", # jp
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"1f1f0": "1f1f0-1f1f7", # kr
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"1f1f7": "1f1f7-1f1fa", # ru
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"1f1fa": "1f1fa-1f1f8", # us
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}
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# Emoticons and which emoji they should become. Duplicate emoji are allowed.
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# Changes here should be mimicked in `help/configure-emoticon-translations.md`.
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EMOTICON_CONVERSIONS = {
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":)": ":smile:",
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"(:": ":smile:",
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":(": ":frown:",
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"<3": ":heart:",
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":|": ":neutral:",
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":/": ":confused:",
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";)": ":wink:",
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":D": ":grinning:",
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":o": ":open_mouth:",
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":O": ":open_mouth:",
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":p": ":stuck_out_tongue:",
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":P": ":stuck_out_tongue:",
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}
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def emoji_names_for_picker(emoji_name_maps: Dict[str, Dict[str, Any]]) -> List[str]:
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emoji_names: List[str] = []
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for name_info in emoji_name_maps.values():
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emoji_names.append(name_info["canonical_name"])
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emoji_names.extend(name_info["aliases"])
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return sorted(emoji_names)
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def get_emoji_code(emoji_dict: Dict[str, Any]) -> str:
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# Starting from version 4.0.0, `emoji_datasource` package has started to
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# add an emoji presentation variation selector for certain emojis which
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# have defined variation sequences. Since in informal environments(like
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# texting and chat), it is more appropriate for an emoji to have a colorful
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# display so until emoji characters have a text presentation selector, it
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# should have a colorful display. Hence we can continue using emoji characters
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# without appending emoji presentation selector.
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# (http://unicode.org/reports/tr51/index.html#Presentation_Style)
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# If `non_qualified` field is present and not None return it otherwise
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# return `unified` field.
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emoji_code = emoji_dict.get("non_qualified") or emoji_dict["unified"]
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return emoji_code.lower()
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# Returns a dict from categories to list of codepoints. The list of
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# codepoints are sorted according to the `sort_order` as defined in
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# `emoji_data`.
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def generate_emoji_catalog(
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emoji_data: List[Dict[str, Any]], emoji_name_maps: Dict[str, Dict[str, Any]]
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) -> Dict[str, List[str]]:
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sort_order: Dict[str, int] = {}
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emoji_catalog: Dict[str, List[str]] = defaultdict(list)
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for emoji_dict in emoji_data:
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emoji_code = get_emoji_code(emoji_dict)
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if not emoji_is_universal(emoji_dict) or emoji_code not in emoji_name_maps:
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continue
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category = emoji_dict["category"]
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sort_order[emoji_code] = emoji_dict["sort_order"]
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emoji_catalog[category].append(emoji_code)
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# Sort the emojis according to iamcal's sort order. This sorting determines the
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# order in which emojis will be displayed in emoji picker.
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for category in emoji_catalog:
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emoji_catalog[category].sort(key=lambda emoji_code: sort_order[emoji_code])
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return dict(emoji_catalog)
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# Use only those names for which images are present in all
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# the emoji sets so that we can switch emoji sets seamlessly.
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def emoji_is_universal(emoji_dict: Dict[str, Any]) -> bool:
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return all(emoji_dict["has_img_" + emoji_set] for emoji_set in EMOJISETS)
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def generate_codepoint_to_name_map(emoji_name_maps: Dict[str, Dict[str, Any]]) -> Dict[str, str]:
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codepoint_to_name: Dict[str, str] = {}
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for emoji_code, name_info in emoji_name_maps.items():
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codepoint_to_name[emoji_code] = name_info["canonical_name"]
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return codepoint_to_name
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def generate_codepoint_to_names_map(
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emoji_name_maps: Dict[str, Dict[str, Any]]
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) -> Dict[str, List[str]]:
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# The first element of the names list is always the canonical name.
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return {
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emoji_code: [name_info["canonical_name"], *name_info["aliases"]]
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for emoji_code, name_info in emoji_name_maps.items()
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}
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def generate_name_to_codepoint_map(emoji_name_maps: Dict[str, Dict[str, Any]]) -> Dict[str, str]:
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name_to_codepoint = {}
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for emoji_code, name_info in emoji_name_maps.items():
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canonical_name = name_info["canonical_name"]
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aliases = name_info["aliases"]
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name_to_codepoint[canonical_name] = emoji_code
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for alias in aliases:
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name_to_codepoint[alias] = emoji_code
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return name_to_codepoint
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