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The one public-facing part of this module is the `Configurable` class and its `~Configurable.configure` method, which becomes a part of the interface of its subclasses, including `.AsyncHTTPClient`, `.IOLoop`, and `.Resolver`. � )�absolute_import�division�print_function�with_statementN� � c C s | S �N� ��sr r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/zmq/eventloop/minitornado/util.py�u s r c C s | � d�S )N�unicode_escape)�decoder r r r r s c C s� t | t�r ttur | �d�} | �d�dkr6t| dd�S | �d�}td�|dd� �dd|d gd�}zt||d �W S t y� t d|d ��Y n0 dS )a Imports an object by name. import_object('x') is equivalent to 'import x'. import_object('x.y.z') is equivalent to 'from x.y import z'. >>> import tornado.escape >>> import_object('tornado.escape') is tornado.escape True >>> import_object('tornado.escape.utf8') is tornado.escape.utf8 True >>> import_object('tornado') is tornado True >>> import_object('tornado.missing_module') Traceback (most recent call last): ... ImportError: No module named missing_module zutf-8�.r N���zNo module named %s) � isinstance� unicode_type�str�encode�count� __import__�split�join�getattr�AttributeError� ImportError)�name�parts�objr r r � import_object% s $ r )� z� def raise_exc_info(exc_info): raise exc_info[1].with_traceback(exc_info[2]) def exec_in(code, glob, loc=None): if isinstance(code, str): code = compile(code, '<string>', 'exec', dont_inherit=True) exec(code, glob, loc) ah def raise_exc_info(exc_info): raise exc_info[0], exc_info[1], exc_info[2] def exec_in(code, glob, loc=None): if isinstance(code, basestring): # exec(string) inherits the caller's future imports; compile # the string first to prevent that. code = compile(code, '<string>', 'exec', dont_inherit=True) exec code in glob, loc c C s( t | d�r| jS | jr | jd S dS dS )aL Provides the errno from an Exception object. There are cases that the errno attribute was not set so we pull the errno out of the args but if someone instantiates an Exception without any args you will get a tuple error. So this function abstracts all that behavior to give you a safe way to get the errno. �errnor N)�hasattrr" �args)�er r r �errno_from_exceptiona s r& c sx e Zd ZdZdZdZ� fdd�Zedd� �Zedd� �Z d d � Z ed d � �Z ed d� �Z edd� �Z edd� �Z� ZS )� Configurablea� Base class for configurable interfaces. A configurable interface is an (abstract) class whose constructor acts as a factory function for one of its implementation subclasses. The implementation subclass as well as optional keyword arguments to its initializer can be set globally at runtime with `configure`. By using the constructor as the factory method, the interface looks like a normal class, `isinstance` works as usual, etc. This pattern is most useful when the choice of implementation is likely to be a global decision (e.g. when `~select.epoll` is available, always use it instead of `~select.select`), or when a previously-monolithic class has been split into specialized subclasses. Configurable subclasses must define the class methods `configurable_base` and `configurable_default`, and use the instance method `initialize` instead of ``__init__``. Nc sb | � � }i }| |u r0| �� }|jr4|�|j� n| }|�|� tt| ��|�}|j|i |�� |S r )�configurable_base�configured_class�_Configurable__impl_kwargs�update�superr' �__new__� initialize)�clsr$ �kwargs�baseZ init_kwargs�impl�instance�� __class__r r r- � s zConfigurable.__new__c C s t � �dS )z�Returns the base class of a configurable hierarchy. This will normally return the class in which it is defined. (which is *not* necessarily the same as the cls classmethod parameter). N��NotImplementedError�r/ r r r r( � s z Configurable.configurable_basec C s t � �dS )zBReturns the implementation class to be used if none is configured.Nr6 r8 r r r �configurable_default� s z!Configurable.configurable_defaultc C s dS )z�Initialize a `Configurable` subclass instance. Configurable classes should use `initialize` instead of ``__init__``. .. versionchanged:: 4.2 Now accepts positional arguments in addition to keyword arguments. Nr )�selfr r r r. � s zConfigurable.initializec K sL | � � }t|ttf�r t|�}|dur<t|| �s<td| ��||_||_dS )z�Sets the class to use when the base class is instantiated. Keyword arguments will be saved and added to the arguments passed to the constructor. This can be used to set global defaults for some parameters. NzInvalid subclass of %s) r( r r �bytesr � issubclass� ValueError�_Configurable__impl_classr* )r/ r2 r0 r1 r r r � configure� s zConfigurable.configurec C s" | � � }| jdu r | �� |_|jS )z'Returns the currently configured class.N)r( r> r9 �r/ r1 r r r r) � s z Configurable.configured_classc C s | � � }|j|jfS r �r( r> r* r@ r r r �_save_configuration� s z Configurable._save_configurationc C s | � � }|d |_|d |_d S )Nr � rA )r/ Zsavedr1 r r r �_restore_configuration� s z#Configurable._restore_configuration)�__name__� __module__� __qualname__�__doc__r> r* r- � classmethodr( r9 r. r? r) rB rD � __classcell__r r r4 r r' s s" r' c C s& | j | j| jd d d td� S )z<Equivalent to td.total_seconds() (introduced in python 2.7).� i i@B )� microseconds�seconds�days�float)�tdr r r �timedelta_to_seconds� s rQ )rH � __future__r r r r �sysr �typer r r Zbasestring_type�unicode� basestringr r; Z bytes_type� version_info�execr& �objectr' rQ r r r r �<module> s" " c
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