mirror of https://github.com/zulip/zulip.git
76 lines
2.0 KiB
Python
76 lines
2.0 KiB
Python
import re
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from typing import Any, List, Match
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from markdown import Markdown
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from markdown.extensions import Extension
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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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from zerver.lib.markdown.preprocessor_priorities import PREPROCESSOR_PRIORITES
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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>Emoticon</th>
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<th>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><code>{emoticon}</code></td>
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<td>
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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(Extension):
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def extendMarkdown(self, md: Markdown) -> None:
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"""Add SettingHelpExtension to the Markdown instance."""
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md.registerExtension(self)
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md.preprocessors.register(
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EmoticonTranslation(),
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"emoticon_translations",
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PREPROCESSOR_PRIORITES["emoticon_translations"],
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)
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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(
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emoticon=emoticon,
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name=name.strip(":"),
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codepoint=name_to_codepoint[name.strip(":")],
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)
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for emoticon, name in EMOTICON_CONVERSIONS.items()
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]
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body = "".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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