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import re
from pathlib import Path
import httpx
from rich.progress import BarColumn, MofNCompleteColumn, Progress, TextColumn
_HEADERS = {
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 Chrome/121.0 Safari/537.36",
"Referer": "https://www.tmdn.org/tmview/",
}
_CONTENT_TYPE_EXT = {
"image/jpeg": ".jpg",
"image/png": ".png",
"image/gif": ".gif",
"image/svg+xml": ".svg",
"image/webp": ".webp",
}
_SAFE = re.compile(r"[^\w\-.]")
def _safe_name(s: str) -> str:
return _SAFE.sub("_", s)
def _ext_from_content_type(ct: str) -> str:
base = ct.split(";")[0].strip().lower()
return _CONTENT_TYPE_EXT.get(base, ".bin")
def download_logos(trademarks: list, output_dir: str, console) -> tuple[int, int]:
dest = Path(output_dir)
dest.mkdir(parents=True, exist_ok=True)
downloadable = [tm for tm in trademarks if tm.get("image_url")]
ok = skipped = 0
with Progress(
TextColumn("[progress.description]{task.description}"),
BarColumn(),
MofNCompleteColumn(),
console=console,
transient=True,
) as progress:
task = progress.add_task("Downloading logos", total=len(downloadable))
with httpx.Client(timeout=30, headers=_HEADERS, follow_redirects=True) as client:
for tm in downloadable:
label = f"{tm.get('office','')}-{_safe_name(tm.get('application_number',''))}"
progress.update(task, description=f"[dim]{label}[/dim]")
try:
resp = client.get(tm["image_url"])
resp.raise_for_status()
ext = _ext_from_content_type(resp.headers.get("content-type", ""))
path = dest / f"{label}{ext}"
path.write_bytes(resp.content)
ok += 1
except (httpx.HTTPError, OSError) as exc:
console.print(f"[yellow] skip {label}: {exc}[/yellow]")
skipped += 1
finally:
progress.advance(task)
return ok, skipped
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