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Minimal usage example for hv-mode.
python example.py
Writes seven files to ./hv_mode_output/ plus an interactive mode menu,
then opens the menu in your browser.
"""
import os
import webbrowser
from hv_mode import HVMode
TEXT = """A black hole is a region of spacetime where gravity is so strong \
that nothing - no particles or even electromagnetic radiation such as light - \
can escape from it. The theory of general relativity predicts that a \
sufficiently compact mass can deform spacetime to form a black hole. The \
boundary of the region from which no escape is possible is called the event \
horizon. Although the event horizon has profound effects on the fate of an \
object that crosses it, it has no locally detectable features. A black hole \
acts as a perfect black body, and moreover, it emits Hawking radiation. Note: \
results may vary depending on the observer's frame of reference."""
QUERY = "show me a picture of what a black hole is"
def main() -> None:
out_dir = "./hv_mode_output"
os.makedirs(out_dir, exist_ok=True)
m = HVMode()
# 1. Auto mode (based on the query)
out = m.respond(TEXT, query=QUERY)
print(f"auto-selected mode: {out['mode']} ({out['mime']})")
print(f"mode distribution : {out['mode_distribution']}")
# 2. Content negotiation
out_svg = m.respond(TEXT, accept="image/svg+xml")
print(f"Accept svg : {out_svg['mode']}")
out_html = m.respond(TEXT, accept="text/html")
print(f"Accept html : {out_html['mode']}")
# 3. Write all seven variants
meaning = m.extract(TEXT)
ext_map = {
"text/plain": "txt",
"text/html": "html",
"image/svg+xml": "svg",
}
print()
for mode in m.router.available():
content, mime = m.render(meaning, mode)
ext = ext_map.get(mime, "bin")
path = os.path.join(out_dir, f"{mode}.{ext}")
with open(path, "w", encoding="utf-8") as f:
f.write(content)
print(f"wrote {path}")
# 4. Interactive mode menu
menu_path = os.path.join(out_dir, "mode_menu.html")
with open(menu_path, "w", encoding="utf-8") as f:
f.write(m.mode_menu(TEXT, QUERY))
print(f"wrote {menu_path}")
# 5. Open in browser (best effort)
try:
webbrowser.open(f"file://{os.path.abspath(menu_path)}")
except Exception:
pass
if __name__ == "__main__":
main() |