mirror of
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52 lines
1.7 KiB
Python
52 lines
1.7 KiB
Python
TIMEOUT = 10
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import os
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import re
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from urllib.parse import unquote, urlparse
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import httpx
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def get_remote_filename(response: httpx.Response) -> str | None:
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"""
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Extracts the filename from the Content-Disposition header or the URL.
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Args:
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response: The httpx.Response object.
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Returns:
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The extracted filename as a string, or None if not found.
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"""
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content_disposition = response.headers.get("Content-Disposition")
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if content_disposition:
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filename_match = re.search(
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r"filename\*=(.+)", content_disposition, re.IGNORECASE
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)
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if filename_match:
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encoded_filename = filename_match.group(1).strip()
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try:
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if "''" in encoded_filename:
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parts = encoded_filename.split("''", 1)
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if len(parts) == 2:
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return unquote(parts[1])
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return unquote(
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encoded_filename
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) # Fallback for simple URL-encoded parts
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except Exception:
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pass # Fallback to filename or URL if decoding fails
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filename_match = re.search(
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r"filename=\"?([^\";]+)\"?", content_disposition, re.IGNORECASE
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)
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if filename_match:
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return unquote(filename_match.group(1).strip())
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parsed_url = urlparse(str(response.url)) # Convert httpx.URL to string for urlparse
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path = parsed_url.path
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if path:
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filename_from_url = os.path.basename(path)
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if filename_from_url:
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filename_from_url = filename_from_url.split("?")[0].split("#")[0]
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return unquote(filename_from_url) # Unquote URL-encoded characters
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return None
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