Python socket.py方法代码示例

# 需要导入模块: import socket [as 别名]
# 或者: from socket import py [as 别名]
def close():
        """
        Close all pooled connections and disable the pool.
        """
        pass


# This is taken from http://hg.python.org/cpython/file/7aaba721ebc0/Lib/socket.py#l252 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import py [as 别名]
def is_connection_dropped(conn):  # Platform-specific
    """
    Returns True if the connection is dropped and should be closed.

    :param conn:
        :class:`httplib.HTTPConnection` object.

    Note: For platforms like AppEngine, this will always return ``False`` to
    let the platform handle connection recycling transparently for us.
    """
    sock = getattr(conn, 'sock', False)
    if sock is False:  # Platform-specific: AppEngine
        return False
    if sock is None:  # Connection already closed (such as by httplib).
        return True

    if not poll:
        if not select:  # Platform-specific: AppEngine
            return False

        try:
            return select([sock], [], [], 0.0)[0]
        except socket.error:
            return True

    # This version is better on platforms that support it.
    p = poll()
    p.register(sock, POLLIN)
    for (fno, ev) in p.poll(0.0):
        if fno == sock.fileno():
            # Either data is buffered (bad), or the connection is dropped.
            return True


# This function is copied from socket.py in the Python 2.7 standard
# library test suite. Added to its signature is only `socket_options`. 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import py [as 别名]
def close(self):
        """
        Close all pooled connections and disable the pool.
        """
        pass


# This is taken from http://hg.python.org/cpython/file/7aaba721ebc0/Lib/socket.py#l252 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import py [as 别名]
def is_connection_dropped(conn):  # Platform-specific
    """
    Returns True if the connection is dropped and should be closed.

    :param conn:
        :class:`httplib.HTTPConnection` object.

    Note: For platforms like AppEngine, this will always return ``False`` to
    let the platform handle connection recycling transparently for us.
    """
    sock = getattr(conn, 'sock', False)
    if sock is False:  # Platform-specific: AppEngine
        return False
    if sock is None:  # Connection already closed (such as by httplib).
        return True
    try:
        # Returns True if readable, which here means it's been dropped
        return wait_for_read(sock, timeout=0.0)
    except NoWayToWaitForSocketError:  # Platform-specific: AppEngine
        return False


# This function is copied from socket.py in the Python 2.7 standard
# library test suite. Added to its signature is only `socket_options`.
# One additional modification is that we avoid binding to IPv6 servers
# discovered in DNS if the system doesn't have IPv6 functionality. 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import py [as 别名]
def is_connection_dropped(conn):  # Platform-specific
    """
    Returns True if the connection is dropped and should be closed.

    :param conn:
        :class:`httplib.HTTPConnection` object.

    Note: For platforms like AppEngine, this will always return ``False`` to
    let the platform handle connection recycling transparently for us.
    """
    sock = getattr(conn, "sock", False)
    if sock is False:  # Platform-specific: AppEngine
        return False
    if sock is None:  # Connection already closed (such as by httplib).
        return True
    try:
        # Returns True if readable, which here means it's been dropped
        return wait_for_read(sock, timeout=0.0)
    except NoWayToWaitForSocketError:  # Platform-specific: AppEngine
        return False


# This function is copied from socket.py in the Python 2.7 standard
# library test suite. Added to its signature is only `socket_options`.
# One additional modification is that we avoid binding to IPv6 servers
# discovered in DNS if the system doesn't have IPv6 functionality. 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import py [as 别名]
def is_connection_dropped(conn):  # Platform-specific
    """
    Returns True if the connection is dropped and should be closed.

    :param conn:
        :class:`httplib.HTTPConnection` object.

    Note: For platforms like AppEngine, this will always return ``False`` to
    let the platform handle connection recycling transparently for us.
    """
    sock = getattr(conn, 'sock', False)
    if sock is False:  # Platform-specific: AppEngine
        return False
    if sock is None:  # Connection already closed (such as by httplib).
        return True

    if not HAS_SELECT:
        return False

    try:
        return bool(wait_for_read(sock, timeout=0.0))
    except SelectorError:
        return True


# This function is copied from socket.py in the Python 2.7 standard
# library test suite. Added to its signature is only `socket_options`.
# One additional modification is that we avoid binding to IPv6 servers
# discovered in DNS if the system doesn't have IPv6 functionality. 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import py [as 别名]
def is_connection_dropped(conn):  # Platform-specific
    """
    Returns True if the connection is dropped and should be closed.

    :param conn:
        :class:`httplib.HTTPConnection` object.

    Note: For platforms like AppEngine, this will always return ``False`` to
    let the platform handle connection recycling transparently for us.
    """
    sock = getattr(conn, 'sock', False)
    if sock is False:  # Platform-specific: AppEngine
        return False
    if sock is None:  # Connection already closed (such as by httplib).
        return True

    if not poll:
        if not select:  # Platform-specific: AppEngine
            return False

        try:
            return select([sock], [], [], 0.0)[0]
        except socket.error:
            return True

    # This version is better on platforms that support it.
    p = poll()
    p.register(sock, POLLIN)
    for (fno, ev) in p.poll(0.0):
        if fno == sock.fileno():
            # Either data is buffered (bad), or the connection is dropped.
            return True


# This function is copied from socket.py in the Python 2.7 standard
# library test suite. Added to its signature is only `socket_options`.
# One additional modification is that we avoid binding to IPv6 servers
# discovered in DNS if the system doesn't have IPv6 functionality. 

# 需要导入模块: import socket [as 别名]
# 或者: from socket import py [as 别名]
def __str__(self):
        return '%s(host=%r, port=%r)' % (type(self).__name__,
                                         self.host, self.port)

# This is taken from http://hg.python.org/cpython/file/7aaba721ebc0/Lib/socket.py#l252