[Python-checkins] cpython (3.4): asyncio doc: the "Get HTTP headers" example now supports HTTPS
victor.stinner
python-checkins at python.org
Sat Oct 11 16:17:31 CEST 2014
https://hg.python.org/cpython/rev/a3526d4398ec
changeset: 92957:a3526d4398ec
branch: 3.4
user: Victor Stinner <victor.stinner at gmail.com>
date: Sat Oct 11 15:52:14 2014 +0200
summary:
asyncio doc: the "Get HTTP headers" example now supports HTTPS
files:
Doc/library/asyncio-stream.rst | 22 ++++++++++++++++------
1 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/Doc/library/asyncio-stream.rst b/Doc/library/asyncio-stream.rst
--- a/Doc/library/asyncio-stream.rst
+++ b/Doc/library/asyncio-stream.rst
@@ -238,8 +238,11 @@
Read bytes string before the end of stream was reached (:class:`bytes`).
-Example
-=======
+Stream examples
+===============
+
+Get HTTP headers
+----------------
Simple example querying HTTP headers of the URL passed on the command line::
@@ -250,10 +253,14 @@
@asyncio.coroutine
def print_http_headers(url):
url = urllib.parse.urlsplit(url)
- reader, writer = yield from asyncio.open_connection(url.hostname, 80)
- query = ('HEAD {url.path} HTTP/1.0\r\n'
- 'Host: {url.hostname}\r\n'
- '\r\n').format(url=url)
+ if url.scheme == 'https':
+ connect = asyncio.open_connection(url.hostname, 443, ssl=True)
+ else:
+ connect = asyncio.open_connection(url.hostname, 80)
+ reader, writer = yield from connect
+ query = ('HEAD {path} HTTP/1.0\r\n'
+ 'Host: {hostname}\r\n'
+ '\r\n').format(path=url.path or '/', hostname=url.hostname)
writer.write(query.encode('latin-1'))
while True:
line = yield from reader.readline()
@@ -263,6 +270,9 @@
if line:
print('HTTP header> %s' % line)
+ # Ignore the body, close the socket
+ writer.close()
+
url = sys.argv[1]
loop = asyncio.get_event_loop()
task = asyncio.async(print_http_headers(url))
--
Repository URL: https://hg.python.org/cpython
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