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Issue #16723: httplib.HTTPResponse no longer marked closed when the connection 

is automatically closed.
This commit is contained in:
Serhiy Storchaka 2013-02-06 10:37:19 +02:00
parent da23259f99 b6c86fd87f
commit daf990f8a7
3 changed files with 48 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
Lib/http/client.py
View File

@ -332,7 +332,7 @@ class HTTPResponse(io.RawIOBase):
# empty version will cause next test to fail.
version = ""
if not version.startswith("HTTP/"):
self.close()
self._close_conn()
raise BadStatusLine(line)
# The status code is a three-digit number
@ -454,21 +454,24 @@ class HTTPResponse(io.RawIOBase):
# otherwise, assume it will close
return True
def close(self):
if self.fp:
self.fp.close()
def _close_conn(self):
fp = self.fp
self.fp = None
fp.close()
def close(self):
super().close() # set "closed" flag
if self.fp:
self._close_conn()
# These implementations are for the benefit of io.BufferedReader.
# XXX This class should probably be revised to act more like
# the "raw stream" that BufferedReader expects.
@property
def closed(self):
return self.isclosed()
def flush(self):
super().flush()
if self.fp:
self.fp.flush()
def readable(self):
@ -477,6 +480,7 @@ class HTTPResponse(io.RawIOBase):
# End of "raw stream" methods
def isclosed(self):
"""True if the connection is closed."""
# NOTE: it is possible that we will not ever call self.close(). This
# case occurs when will_close is TRUE, length is None, and we
# read up to the last byte, but NOT past it.
@ -490,7 +494,7 @@ class HTTPResponse(io.RawIOBase):
return b""
if self._method == "HEAD":
self.close()
self._close_conn()
return b""
if amt is not None:
@ -510,10 +514,10 @@ class HTTPResponse(io.RawIOBase):
try:
s = self._safe_read(self.length)
except IncompleteRead:
self.close()
self._close_conn()
raise
self.length = 0
self.close() # we read everything
self._close_conn() # we read everything
return s
def readinto(self, b):
@ -521,7 +525,7 @@ class HTTPResponse(io.RawIOBase):
return 0
if self._method == "HEAD":
self.close()
self._close_conn()
return 0
if self.chunked:
@ -539,11 +543,11 @@ class HTTPResponse(io.RawIOBase):
if not n:
# Ideally, we would raise IncompleteRead if the content-length
# wasn't satisfied, but it might break compatibility.
self.close()
self._close_conn()
elif self.length is not None:
self.length -= n
if not self.length:
self.close()
self._close_conn()
return n
def _read_next_chunk_size(self):
@ -559,7 +563,7 @@ class HTTPResponse(io.RawIOBase):
except ValueError:
# close the connection as protocol synchronisation is
# probably lost
self.close()
self._close_conn()
raise
def _read_and_discard_trailer(self):
@ -597,7 +601,7 @@ class HTTPResponse(io.RawIOBase):
self._read_and_discard_trailer()
# we read everything; close the "file"
self.close()
self._close_conn()
return b''.join(value)
@ -638,7 +642,7 @@ class HTTPResponse(io.RawIOBase):
self._read_and_discard_trailer()
# we read everything; close the "file"
self.close()
self._close_conn()
return total_bytes

24
Lib/test/test_httplib.py
View File

@ -166,6 +166,9 @@ class BasicTest(TestCase):
resp.begin()
self.assertEqual(resp.read(), b"Text")
self.assertTrue(resp.isclosed())
self.assertFalse(resp.closed)
resp.close()
self.assertTrue(resp.closed)
body = "HTTP/1.1 400.100 Not Ok\r\n\r\nText"
sock = FakeSocket(body)
@ -187,6 +190,9 @@ class BasicTest(TestCase):
self.assertFalse(resp.isclosed())
self.assertEqual(resp.read(2), b'xt')
self.assertTrue(resp.isclosed())
self.assertFalse(resp.closed)
resp.close()
self.assertTrue(resp.closed)
def test_partial_readintos(self):
# if we have a length, the system knows when to close itself
@ -204,6 +210,9 @@ class BasicTest(TestCase):
self.assertEqual(n, 2)
self.assertEqual(bytes(b), b'xt')
self.assertTrue(resp.isclosed())
self.assertFalse(resp.closed)
resp.close()
self.assertTrue(resp.closed)
def test_partial_reads_no_content_length(self):
# when no length is present, the socket should be gracefully closed when
@ -217,6 +226,9 @@ class BasicTest(TestCase):
self.assertEqual(resp.read(2), b'xt')
self.assertEqual(resp.read(1), b'')
self.assertTrue(resp.isclosed())
self.assertFalse(resp.closed)
resp.close()
self.assertTrue(resp.closed)
def test_partial_readintos_no_content_length(self):
# when no length is present, the socket should be gracefully closed when
@ -268,6 +280,9 @@ class BasicTest(TestCase):
n = resp.readinto(b)
self.assertEqual(n, 0)
self.assertTrue(resp.isclosed())
self.assertFalse(resp.closed)
resp.close()
self.assertTrue(resp.closed)
def test_host_port(self):
# Check invalid host_port
@ -495,6 +510,9 @@ class BasicTest(TestCase):
self.assertEqual(resp.status, 200)
self.assertEqual(resp.reason, 'OK')
self.assertTrue(resp.isclosed())
self.assertFalse(resp.closed)
resp.close()
self.assertTrue(resp.closed)
def test_readinto_chunked_head(self):
chunked_start = (
@ -515,6 +533,9 @@ class BasicTest(TestCase):
self.assertEqual(resp.status, 200)
self.assertEqual(resp.reason, 'OK')
self.assertTrue(resp.isclosed())
self.assertFalse(resp.closed)
resp.close()
self.assertTrue(resp.closed)
def test_negative_content_length(self):
sock = FakeSocket(
@ -590,6 +611,9 @@ class BasicTest(TestCase):
resp.begin()
self.assertEqual(resp.read(), b'')
self.assertTrue(resp.isclosed())
self.assertFalse(resp.closed)
resp.close()
self.assertTrue(resp.closed)
def test_delayed_ack_opt(self):
# Test that Nagle/delayed_ack optimistaion works correctly.

3
Misc/NEWS
View File

@ -235,6 +235,9 @@ Core and Builtins
Library
-------
- Issue #16723: httplib.HTTPResponse no longer marked closed when the connection
is automatically closed.
- Issue #15359: Add CAN_BCM protocol support to the socket module. Patch by
Brian Thorne.