77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
from __future__ import annotations
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import asyncio
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try:
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import httpx
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except ImportError:
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raise ImportError("Please install httpx with 'pip install httpx' ")
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from textual.app import App, ComposeResult
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from textual.containers import Content
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from textual.widgets import Input, Markdown
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class DictionaryApp(App):
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"""Searches ab dictionary API as-you-type."""
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CSS_PATH = "dictionary.css"
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def compose(self) -> ComposeResult:
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yield Input(placeholder="Search for a word")
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with Content(id="results-container"):
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yield Markdown(id="results")
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def on_mount(self) -> None:
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"""Called when app starts."""
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# Give the input focus, so we can start typing straight away
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self.query_one(Input).focus()
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async def on_input_changed(self, message: Input.Changed) -> None:
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"""A coroutine to handle a text changed message."""
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if message.value:
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# Look up the word in the background
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asyncio.create_task(self.lookup_word(message.value))
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else:
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# Clear the results
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await self.query_one("#results", Markdown).update("")
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async def lookup_word(self, word: str) -> None:
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"""Looks up a word."""
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url = f"https://api.dictionaryapi.dev/api/v2/entries/en/{word}"
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async with httpx.AsyncClient() as client:
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response = await client.get(url)
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try:
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results = response.json()
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except Exception:
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self.query_one("#results", Static).update(response.text)
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return
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if word == self.query_one(Input).value:
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markdown = self.make_word_markdown(results)
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await self.query_one("#results", Markdown).update(markdown)
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def make_word_markdown(self, results: object) -> str:
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"""Convert the results in to markdown."""
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lines = []
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if isinstance(results, dict):
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lines.append(f"# {results['title']}")
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lines.append(results["message"])
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elif isinstance(results, list):
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for result in results:
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lines.append(f"# {result['word']}")
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lines.append("")
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for meaning in result.get("meanings", []):
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lines.append(f"_{meaning['partOfSpeech']}_")
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lines.append("")
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for definition in meaning.get("definitions", []):
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lines.append(f" - {definition['definition']}")
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lines.append("---")
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return "\n".join(lines)
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if __name__ == "__main__":
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app = DictionaryApp()
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app.run()
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