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a k�h� � @ s� d Z ddlmZmZ ddlmZmZmZmZm Z m Z m Z m Z ddl mZ ddlmZ ddlmZ ddlmZ dd lmZ dd lmZ dd lmZ dd lm Z e � Z ee ef Z ee d �dd�Z e ed�dd�Z!dd� ed�dd� dd� fdd� ed�e e!fgZ"dd� e"D �Z#e e$d �d d �Z%e$e d �d d!�Z&ee d"�d#d$�Z'e e d%�d&d'�Z(d1ee e ed)�d*d+�Z)d2ee e e e*e e d.�d/d0�Z+d,S )3zA Tools for saving and loading log events in a structured format. � )�dumps�loads)�IO�Any�AnyStr�Dict�Iterable�Optional�Union�cast)�UUID)� NamedConstant)�Failure� ��FileLogObserver)� flattenEvent)�LogEvent)�LogLevel)�Logger)�failure�returnc C s t | �� t | jj| jjd�d�S )z� Convert a failure to a JSON-serializable data structure. @param failure: A failure to serialize. @return: a mapping of strings to ... stuff, mostly reminiscent of L{Failure.__getstate__} )� __module__�__name__)�type)�dict� __getstate__r r r )r � r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/twisted/logger/_json.py� failureAsJSON s ��r )� failureDictr c C s0 t �t �}| d }t|d d|�| d< | |_|S )z� Load a L{Failure} from a dictionary deserialized from JSON. @param failureDict: a JSON-deserialized object like one previously returned by L{failureAsJSON}. @return: L{Failure} r r r )r �__new__r �__dict__)r �fZtypeInfor r r �failureFromJSON. s r$ c C s t | t�ott| jd �| u S �N)� isinstancer �getattrr �name��levelr r r �<lambda>@ s r+ z$02E59486-F24D-46AD-8224-3ACDF2A5732Ac C s t | jd�S )N)r( )r r( r) r r r r+ E � c C s t t| d d �S )Nr( )r' r r) r r r r+ F r, c C s t | t�S r% )r& r )�or r r r+ I r, z$E76887E2-20ED-49BF-A8F8-BA25CC586F2Dc C s i | ]\}}}}||�qS r r )�.0� predicate�uuid�saver�loaderr r r � <dictcomp>Q r, r3 )�aDictr c C s d| v r t t| d � | �S | S )a# Dictionary-to-object-translation hook for certain value types used within the logging system. @see: the C{object_hook} parameter to L{json.load} @param aDict: A dictionary loaded from a JSON object. @return: C{aDict} itself, or the object represented by C{aDict} �__class_uuid__)� uuidToLoaderr )r4 r r r �objectLoadHookT s r7 )� pythonObjectr c C s> t D ]0\}}}}|| �r|| �}t|�|d< | S qddiS )a� Object-to-serializable hook for certain value types used within the logging system. @see: the C{default} parameter to L{json.dump} @param pythonObject: Any object. @return: If the object is one of the special types the logging system supports, a specially-formatted dictionary; otherwise, a marker dictionary indicating that it could not be serialized. r5 Z unpersistableT)� classInfo�str)r8 r/ r0 r1 r2 �resultr r r �objectSaveHookd s r< )�eventr c C s. t tttf d�dd�}t| � t| |dd�S )a� Encode an event as JSON, flattening it if necessary to preserve as much structure as possible. Not all structure from the log event will be preserved when it is serialized. @param event: A log event dictionary. @return: A string of the serialized JSON; note that this will contain no newline characters, and may thus safely be stored in a line-delimited file. )� unencodabler c S s t | t�r| �d�S t| �S )z� Serialize an object not otherwise serializable by L{dumps}. @param unencodable: An unencodable object. @return: C{unencodable}, serialized �charmap)r& �bytes�decoder< )r> r r r �default� s z eventAsJSON.<locals>.defaultT)rB �skipkeys)�objectr �JSONDictr: r r )r= rB r r r � eventAsJSONy s rF )� eventTextr c C s t tt| td��S )z� Decode a log event from JSON. @param eventText: The output of a previous call to L{eventAsJSON} @return: A reconstructed version of the log event. )� object_hook)r rE r r7 )rG r r r � eventFromJSON� s rI � )�outFile�recordSeparatorr c s t | � fdd��S )a� Create a L{FileLogObserver} that emits JSON-serialized events to a specified (writable) file-like object. Events are written in the following form:: RS + JSON + NL C{JSON} is the serialized event, which is JSON text. C{NL} is a newline (C{"\n"}). C{RS} is a record separator. By default, this is a single RS character (C{"\x1e"}), which makes the default output conform to the IETF draft document "draft-ietf-json-text-sequence-13". @param outFile: A file-like object. Ideally one should be passed which accepts L{str} data. Otherwise, UTF-8 L{bytes} will be used. @param recordSeparator: The record separator to use. @return: A file log observer. c s � � t | �� d�S )N� )rF )r= �rL r r r+ � r, z%jsonFileLogObserver.<locals>.<lambda>r )rK rL r rN r �jsonFileLogObserver� s �rO N� )�inFilerL � bufferSizer c # s t td�dd�}ttt d�dd�� |du rN|| �d��}|d krH|}qZd }n ||�}d }|d krld }� }nttt d�� fd d � }t|�}| �|�}|s�t|�dkr�||�} | dur�| V �q|||�7 }|�|�} | dd� D ]&} t| �dkr�|| �} | dur�| V q�| d }q�dS )aM Load events from a file previously saved with L{jsonFileLogObserver}. Event records that are truncated or otherwise unreadable are ignored. @param inFile: A (readable) file-like object. Data read from C{inFile} should be L{str} or UTF-8 L{bytes}. @param recordSeparator: The expected record separator. If L{None}, attempt to automatically detect the record separator from one of C{"\x1e"} or C{""}. @param bufferSize: The size of the read buffer used while reading from C{inFile}. @return: Log events as read from C{inFile}. )�sr c S s t | t�r| S | �d�S d S )N�utf-8)r& r@ �encode)rS r r r �asBytes� s z&eventsFromJSONLogFile.<locals>.asBytes)�recordr c S sp zt | ��d�}W n& ty8 tjdt | �d� Y d S 0 z t|�W S tyj tjdt | �d� Y d S 0 d S )NrT z2Unable to decode UTF-8 for JSON record: {record!r}�rW z&Unable to read JSON record: {record!r})r@ rA �UnicodeDecodeError�log�errorrI � ValueError)rW �textr r r �eventFromBytearray� s � z1eventsFromJSONLogFile.<locals>.eventFromBytearrayNr � r, � c s. | d t d�kr� | �S tjdt| �d� d S )N���rM z0Unable to read truncated JSON record: {record!r}rX )�ordrZ r[ r@ rX �r^ r r �eventFromRecord� s �z.eventsFromJSONLogFile.<locals>.eventFromRecordr ra )r r@ � bytearrayr r �read�len�split) rQ rL rR rV �firstZrecordSeparatorBytesrd �bufferZnewDatar= �recordsrW r rc r �eventsFromJSONLogFile� s: rl )rJ )NrP ),�__doc__�jsonr r �typingr r r r r r r r r0 r Z constantlyr Ztwisted.python.failurer �_filer �_flattenr Z _interfacesr Z_levelsr Z_loggerr rZ r: rE r r$ r9 r6 rD r7 r< rF rI rO �intrl r r r r �<module> sV ( � �� �� ��
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