本文整理汇总了Python中ws4py.streaming.Stream.text_message方法的典型用法代码示例。如果您正苦于以下问题:Python Stream.text_message方法的具体用法?Python Stream.text_message怎么用?Python Stream.text_message使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ws4py.streaming.Stream
的用法示例。
在下文中一共展示了Stream.text_message方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_helper_with_bytes_text_message
# 需要导入模块: from ws4py.streaming import Stream [as 别名]
# 或者: from ws4py.streaming.Stream import text_message [as 别名]
def test_helper_with_bytes_text_message(self):
s = Stream()
m = s.text_message('hello there!')
self.assertIsInstance(m, TextMessage)
self.assertFalse(m.is_binary)
self.assertTrue(m.is_text)
self.assertEqual(m.opcode, OPCODE_TEXT)
self.assertEqual(m.encoding, 'utf-8')
self.assertIsInstance(m.data, bytes)
self.assertEqual(len(m), 12)
self.assertEqual(len(m.data), 12)
self.assertEqual(m.data, b'hello there!')
示例2: WebSocketHandler
# 需要导入模块: from ws4py.streaming import Stream [as 别名]
# 或者: from ws4py.streaming.Stream import text_message [as 别名]
#.........这里部分代码省略.........
pass
def ponged(self, pong):
"""
Pong message received on the stream.
@param pong: messaging.PongControlMessage instance
"""
pass
def received_message(self, m):
"""
Message received on the stream.
@param pong: messaging.TextMessage or messaging.BinaryMessage instance
"""
pass
def send(self, payload, binary=False):
"""
Sends the given payload out.
If payload is some bytes or a bytearray,
then it is sent as a single message not fragmented.
If payload is a generator, each chunk is sent as part of
fragmented message.
@param payload: string, bytes, bytearray or a generator
@param binary: if set, handles the payload as a binary message
"""
if isinstance(payload, basestring) or isinstance(payload, bytearray):
if not binary:
self.write_to_connection(self.stream.text_message(payload).single())
else:
self.write_to_connection(self.stream.binary_message(payload).single())
elif type(payload) == types.GeneratorType:
bytes = payload.next()
first = True
for chunk in payload:
if not binary:
self.write_to_connection(self.stream.text_message(bytes).fragment(first=first))
else:
self.write_to_connection(self.stream.binary_message(payload).fragment(first=first))
bytes = chunk
first = False
if not binary:
self.write_to_connection(self.stream.text_message(bytes).fragment(last=True))
else:
self.write_to_connection(self.stream.text_message(bytes).fragment(last=True))
def _receive(self):
"""
Performs the operation of reading from the underlying
connection in order to feed the stream of bytes.
We start with a small size of two bytes to be read
from the connection so that we can quickly parse an
incoming frame header. Then the stream indicates
whatever size must be read from the connection since
it knows the frame payload length.
Note that we perform some automatic opererations:
* On a closing message, we respond with a closing
示例3: WebSocketBaseClient
# 需要导入模块: from ws4py.streaming import Stream [as 别名]
# 或者: from ws4py.streaming.Stream import text_message [as 别名]
#.........这里部分代码省略.........
def handshake_request(self):
parts = urlsplit(self.url)
headers = self.handshake_headers
request = ["GET %s HTTP/1.1" % parts.path]
for header, value in headers:
request.append("%s: %s" % (header, value))
request.append('\r\n')
return '\r\n'.join(request)
def process_response_line(self, response_line):
protocol, code, status = response_line.split(' ', 2)
if code != '101':
raise HandshakeError("Invalid response status: %s %s" % (code, status))
def process_handshake_header(self, headers):
protocols = []
extensions = []
headers = headers.strip()
for header_line in headers.split('\r\n'):
header, value = header_line.split(':', 1)
header = header.strip().lower()
value = value.strip().lower()
if header == 'upgrade' and value != 'websocket':
raise HandshakeError("Invalid Upgrade header: %s" % value)
elif header == 'connection' and value != 'upgrade':
raise HandshakeError("Invalid Connection header: %s" % value)
elif header == 'sec-websocket-accept':
match = b64encode(sha1(self.key + WS_KEY).digest())
if value != match.lower():
raise HandshakeError("Invalid challenge response: %s" % value)
elif header == 'sec-websocket-protocol':
protocols = ','.join(value)
elif header == 'sec-websocket-extensions':
extensions = ','.join(value)
return protocols, extensions
def opened(self, protocols, extensions):
pass
def received_message(self, m):
pass
def closed(self, code, reason=None):
pass
@property
def terminated(self):
return self.client_terminated is True and self.server_terminated is True
def close(self, reason='', code=1000):
if not self.client_terminated:
self.client_terminated = True
self.write_to_connection(self.stream.close(code=code, reason=reason))
def connect(self):
raise NotImplemented()
def write_to_connection(self, bytes):
raise NotImplemented()
def read_from_connection(self, amount):
raise NotImplemented()
def close_connection(self):
raise NotImplemented()
def send(self, payload, binary=False):
if isinstance(payload, basestring):
if not binary:
self.write_to_connection(self.stream.text_message(payload).single(mask=True))
else:
self.write_to_connection(self.stream.binary_message(payload).single(mask=True))
elif isinstance(payload, dict):
self.write_to_connection(self.stream.text_message(json.dumps(payload)).single(mask=True))
elif type(payload) == types.GeneratorType:
bytes = payload.next()
first = True
for chunk in payload:
if not binary:
self.write_to_connection(self.stream.text_message(bytes).fragment(first=first, mask=True))
else:
self.write_to_connection(self.stream.binary_message(payload).fragment(first=first, mask=True))
bytes = chunk
first = False
if not binary:
self.write_to_connection(self.stream.text_message(bytes).fragment(last=True, mask=True))
else:
self.write_to_connection(self.stream.text_message(bytes).fragment(last=True, mask=True))
示例4: WebSocket
# 需要导入模块: from ws4py.streaming import Stream [as 别名]
# 或者: from ws4py.streaming.Stream import text_message [as 别名]
class WebSocket(object):
def __init__(self, sock, environ, protocols=None, extensions=None):
self.stream = Stream()
self.protocols = protocols
self.extensions = extensions
self.environ = environ
self.sock = sock
self.sock.settimeout(30.0)
self.client_terminated = False
self.server_terminated = False
self._lock = Semaphore()
def close(self, code=1000, reason=''):
"""
Call this method to initiate the websocket connection
closing by sending a close frame to the connected peer.
Once this method is called, the server_terminated
attribute is set. Calling this method several times is
safe as the closing frame will be sent only the first
time.
@param code: status code describing why the connection is closed
@param reason: a human readable message describing why the connection is closed
"""
if not self.server_terminated:
self.server_terminated = True
self.write_to_connection(self.stream.close(code=code, reason=reason))
self.close_connection()
@property
def terminated(self):
"""
Returns True if both the client and server have been
marked as terminated.
"""
return self.client_terminated is True and self.server_terminated is True
def write_to_connection(self, bytes):
"""
Writes the provided bytes to the underlying connection.
@param bytes: data tio send out
"""
return self.sock.sendall(bytes)
def read_from_connection(self, amount):
"""
Reads bytes from the underlying connection.
@param amount: quantity to read (if possible)
"""
return self.sock.recv(amount)
def close_connection(self):
"""
Shutdowns then closes the underlying connection.
"""
try:
self.sock.shutdown(socket.SHUT_RDWR)
finally:
self.sock.close()
def send(self, payload, binary=False):
"""
Sends the given payload out.
If payload is some bytes or a bytearray,
then it is sent as a single message not fragmented.
If payload is a generator, each chunk is sent as part of
fragmented message.
@param payload: string, bytes, bytearray or a generator
@param binary: if set, handles the payload as a binary message
"""
if isinstance(payload, basestring) or isinstance(payload, bytearray):
if not binary:
self.write_to_connection(self.stream.text_message(payload).single())
else:
self.write_to_connection(self.stream.binary_message(payload).single())
elif type(payload) == types.GeneratorType:
bytes = payload.next()
first = True
for chunk in payload:
if not binary:
self.write_to_connection(self.stream.text_message(bytes).fragment(first=first))
else:
self.write_to_connection(self.stream.binary_message(payload).fragment(first=first))
bytes = chunk
first = False
if not binary:
self.write_to_connection(self.stream.text_message(bytes).fragment(last=True))
else:
self.write_to_connection(self.stream.text_message(bytes).fragment(last=True))
#.........这里部分代码省略.........