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Issue #3709: a flush_headers method to BaseHTTPRequestHandler which manages the

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sending of headers to output stream and flushing the internal headers buffer.
Patch contribution by Andrew Schaaf
This commit is contained in:
Senthil Kumaran 2011-05-09 23:25:02 +08:00
parent 87cf220972
commit c7ae19b6a7
4 changed files with 93 additions and 31 deletions
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18
Lib/http/server.py
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@ -355,6 +355,7 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
"""
self.send_response_only(100)
self.flush_headers()
return True
def handle_one_request(self):
@ -432,7 +433,8 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
self.wfile.write(content.encode('UTF-8', 'replace'))
def send_response(self, code, message=None):
"""Send the response header and log the response code.
"""Add the response header to the headers buffer and log the
response code.
Also send two standard headers with the server software
version and the current date.
@ -451,11 +453,14 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
else:
message = ''
if self.request_version != 'HTTP/0.9':
self.wfile.write(("%s %d %s\r\n" %
(self.protocol_version, code, message)).encode('latin-1', 'strict'))
if not hasattr(self, '_headers_buffer'):
self._headers_buffer = []
self._headers_buffer.append(("%s %d %s\r\n" %
(self.protocol_version, code, message)).encode(
'latin-1', 'strict'))
def send_header(self, keyword, value):
"""Send a MIME header."""
"""Send a MIME header to the headers buffer."""
if self.request_version != 'HTTP/0.9':
if not hasattr(self, '_headers_buffer'):
self._headers_buffer = []
@ -472,6 +477,10 @@ class BaseHTTPRequestHandler(socketserver.StreamRequestHandler):
"""Send the blank line ending the MIME headers."""
if self.request_version != 'HTTP/0.9':
self._headers_buffer.append(b"\r\n")
self.flush_headers()
def flush_headers(self):
if hasattr(self, '_headers_buffer'):
self.wfile.write(b"".join(self._headers_buffer))
self._headers_buffer = []
@ -1081,6 +1090,7 @@ class CGIHTTPRequestHandler(SimpleHTTPRequestHandler):
env.setdefault(k, "")
self.send_response(200, "Script output follows")
self.flush_headers()
decoded_query = query.replace('+', ' ')