mirror of https://github.com/zulip/zulip.git
66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
import re
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import markdown
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from typing import Any, Dict, List, Optional, Union
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from typing.re import Match
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from markdown.preprocessors import Preprocessor
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from zerver.lib.emoji import EMOTICON_CONVERSIONS, name_to_codepoint
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REGEXP = re.compile(r'\{emoticon_translations\}')
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TABLE_HTML = """
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<table>
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<thead>
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<tr>
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<th align="center">Emoticon</th>
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<th align="center">Emoji</th>
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</tr>
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</thead>
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<tbody>
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{body}
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</tbody>
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</table>
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"""
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ROW_HTML = """
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<tr>
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<td align="center"><code>{emoticon}</code></td>
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<td align="center">
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<img
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src="/static/generated/emoji/images-google-64/{codepoint}.png"
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alt="{name}"
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class="emoji-big">
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</td>
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</tr>
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"""
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class EmoticonTranslationsHelpExtension(markdown.Extension):
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def extendMarkdown(self, md: markdown.Markdown, md_globals: Dict[str, Any]) -> None:
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""" Add SettingHelpExtension to the Markdown instance. """
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md.registerExtension(self)
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md.preprocessors.add('emoticon_translations', EmoticonTranslation(), '_end')
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class EmoticonTranslation(Preprocessor):
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def run(self, lines: List[str]) -> List[str]:
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for loc, line in enumerate(lines):
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match = REGEXP.search(line)
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if match:
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text = self.handleMatch(match)
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lines = lines[:loc] + text + lines[loc+1:]
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break
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return lines
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def handleMatch(self, match: Match[str]) -> List[str]:
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rows = [
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ROW_HTML.format(emoticon=emoticon,
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name=name.strip(':'),
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codepoint=name_to_codepoint[name.strip(':')])
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for emoticon, name in EMOTICON_CONVERSIONS.items()
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]
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body = '\n'.join(rows).strip()
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return TABLE_HTML.format(body=body).strip().splitlines()
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def makeExtension(*args: Any, **kwargs: Any) -> EmoticonTranslationsHelpExtension:
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return EmoticonTranslationsHelpExtension(*args, **kwargs)
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