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ReadTransport�WriteTransport� Transport�DatagramTransport�SubprocessTransportc �< � e Zd ZdZdZd
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y) r zBase class for transports.��_extraNc � � |�i }|| _ y �Nr )�self�extras �)/usr/lib/python3.12/asyncio/transports.py�__init__zBaseTransport.__init__ s � � �=��E��� � c �: � | j j ||� S )z#Get optional transport information.)r
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�name�defaults r �get_extra_infoz BaseTransport.get_extra_info s � ��{�{���t�W�-�-r c � � t �)z2Return True if the transport is closing or closed.��NotImplementedError�r
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is_closingzBaseTransport.is_closing � � �!�!r c � � t �)a Close the transport.
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protocol's connection_lost() method will (eventually) be
called with None as its argument.
r r s r �closezBaseTransport.close �
� � "�!r c � � t �)zSet a new protocol.r )r
�protocols r � set_protocolzBaseTransport.set_protocol% r r c � � t �)z Return the current protocol.r r s r � get_protocolzBaseTransport.get_protocol) r r r ) �__name__�
__module__� __qualname__�__doc__� __slots__r r r r r" r$ � r r r r s( � �$��I� �
.�"�"�"�"r r c �& � e Zd ZdZdZd� Zd� Zd� Zy)r z#Interface for read-only transports.r* c � � t �)z*Return True if the transport is receiving.r r s r �
is_readingzReadTransport.is_reading3 r r c � � t �)z�Pause the receiving end.
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r r s r �
pause_readingzReadTransport.pause_reading7 �
� � "�!r c � � t �)z�Resume the receiving end.
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r r s r �resume_readingz ReadTransport.resume_reading? r0 r N)r% r& r' r( r) r- r/ r2 r* r r r r . s � �-��I�"�"�"r r c �F � e Zd ZdZdZd d�Zd� Zd� Zd� Zd� Z d � Z
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r z$Interface for write-only transports.r* Nc � � t �)a� Set the high- and low-water limits for write flow control.
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pause_writing() and resume_writing() methods. If specified,
the low-water limit must be less than or equal to the
high-water limit. Neither value can be negative.
The defaults are implementation-specific. If only the
high-water limit is given, the low-water limit defaults to an
implementation-specific value less than or equal to the
high-water limit. Setting high to zero forces low to zero as
well, and causes pause_writing() to be called whenever the
buffer becomes non-empty. Setting low to zero causes
resume_writing() to be called only once the buffer is empty.
Use of zero for either limit is generally sub-optimal as it
reduces opportunities for doing I/O and computation
concurrently.
r �r
�high�lows r �set_write_buffer_limitsz&WriteTransport.set_write_buffer_limitsM s
� �& "�!r c � � t �)z,Return the current size of the write buffer.r r s r �get_write_buffer_sizez$WriteTransport.get_write_buffer_sizeb r r c � � t �)z�Get the high and low watermarks for write flow control.
Return a tuple (low, high) where low and high are
positive number of bytes.r r s r �get_write_buffer_limitsz&WriteTransport.get_write_buffer_limitsf s
� � "�!r c � � t �)z�Write some data bytes to the transport.
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to be sent out asynchronously.
r )r
�datas r �writezWriteTransport.writel r0 r c �H � dj |� }| j |� y)z�Write a list (or any iterable) of data bytes to the transport.
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r N)�joinr? )r
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writelineszWriteTransport.writelinest s � � �x�x� �%�� �
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�4�r c � � t �)z�Close the write end after flushing buffered data.
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r r s r � write_eofzWriteTransport.write_eof} �
� � "�!r c � � t �)zAReturn True if this transport supports write_eof(), False if not.r r s r �
can_write_eofz WriteTransport.can_write_eof� r r c � � t ��z�Close the transport immediately.
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r r s r �abortzWriteTransport.abort� rF r �NN)
r% r& r' r( r) r8 r: r< r? rC rE rH rK r* r r r r H s2 � �.��I�"�*"�"� "��"�"�"r r c � � e Zd ZdZdZy)r aS Interface representing a bidirectional transport.
There may be several implementations, but typically, the user does
not implement new transports; rather, the platform provides some
useful transports that are implemented using the platform's best
practices.
The user never instantiates a transport directly; they call a
utility function, passing it a protocol factory and other
information necessary to create the transport and protocol. (E.g.
EventLoop.create_connection() or EventLoop.create_server().)
The utility function will asynchronously create a transport and a
protocol and hook them up by calling the protocol's
connection_made() method, passing it the transport.
The implementation here raises NotImplemented for every method
except writelines(), which calls write() in a loop.
r* N)r% r& r' r( r) r* r r r r � s � ��( �Ir r c �" � e Zd ZdZdZdd�Zd� Zy)r z(Interface for datagram (UDP) transports.r* Nc � � t �)a Send data to the transport.
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addr is target socket address.
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r )r
r> �addrs r �sendtozDatagramTransport.sendto� r r c � � t �rJ r r s r rK zDatagramTransport.abort� rF r r )r% r& r' r( r) rQ rK r* r r r r � s � �2��I�"�"r r c �4 � e Zd ZdZd� Zd� Zd� Zd� Zd� Zd� Z y) r r* c � � t �)zGet subprocess id.r r s r �get_pidzSubprocessTransport.get_pid� r r c � � t �)z�Get subprocess returncode.
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http://docs.python.org/3/library/subprocess#subprocess.Popen.returncode
r r s r �get_returncodez"SubprocessTransport.get_returncode� r0 r c � � t �)z&Get transport for pipe with number fd.r )r
�fds r �get_pipe_transportz&SubprocessTransport.get_pipe_transport� r r c � � t �)z�Send signal to subprocess.
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docs.python.org/3/library/subprocess#subprocess.Popen.send_signal
r )r
�signals r � send_signalz SubprocessTransport.send_signal� r0 r c � � t �)aL Stop the subprocess.
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http://docs.python.org/3/library/subprocess#subprocess.Popen.terminate
r r s r � terminatez SubprocessTransport.terminate� s
� � "�!r c � � t �)z�Kill the subprocess.
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d � Z � xZ S ) �_FlowControlMixinav All the logic for (write) flow control in a mix-in base class.
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override set_write_buffer_limits() (e.g. to specify different
defaults).
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will call set_write_buffer_limits().
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