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[rh:requests] Work around partial read dropping data (#13599)

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Authored by: Grub4K
This commit is contained in:
Simon Sawicki 2025-07-02 00:12:43 +02:00 committed by GitHub
parent ca5cce5b07
commit c2ff2dbaec
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2 changed files with 16 additions and 5 deletions
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17
test/test_networking.py
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@ -22,7 +22,6 @@ import ssl
import tempfile
import threading
import time
import urllib.error
import urllib.request
import warnings
import zlib
@ -223,10 +222,7 @@ class HTTPTestRequestHandler(http.server.BaseHTTPRequestHandler):
if encoding == 'br' and brotli:
payload = brotli.compress(payload)
elif encoding == 'gzip':
buf = io.BytesIO()
with gzip.GzipFile(fileobj=buf, mode='wb') as f:
f.write(payload)
payload = buf.getvalue()
payload = gzip.compress(payload, mtime=0)
elif encoding == 'deflate':
payload = zlib.compress(payload)
elif encoding == 'unsupported':
@ -729,6 +725,17 @@ class TestHTTPRequestHandler(TestRequestHandlerBase):
assert 'X-test-heaDer: test' in res
def test_partial_read_then_full_read(self, handler):
with handler() as rh:
for encoding in ('', 'gzip', 'deflate'):
res = validate_and_send(rh, Request(
f'http://127.0.0.1:{self.http_port}/content-encoding',
headers={'ytdl-encoding': encoding}))
assert res.headers.get('Content-Encoding') == encoding
assert res.read(6) == b'<html>'
assert res.read(0) == b''
assert res.read() == b'<video src="/vid.mp4" /></html>'
@pytest.mark.parametrize('handler', ['Urllib', 'Requests', 'CurlCFFI'], indirect=True)
class TestClientCertificate:

4
yt_dlp/networking/_requests.py
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@ -140,6 +140,10 @@ class RequestsResponseAdapter(Response):
def read(self, amt: int | None = None):
try:
# Work around issue with `.read(amt)` then `.read()`
# See: https://github.com/urllib3/urllib3/issues/3636
if amt is None:
amt = (1 << 31) - 1
# Interact with urllib3 response directly.
return self.fp.read(amt, decode_content=True)