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a k�hb. � @ s� d Z ddlmZ ddlmZ ddlmZmZm Z mZm Z m Z m Z ddl mZ ddlmZ ddlmZ ddlmZ d d lmZmZ d d lmZ d Zeed �dd�Z ee ed�dd�Z edfe e e e eed�dd�Z e feee e gef e e d�dd�Z!G dd� de�Z"eeeef ed �d d �Z#eed �d d �Z$eed!�d"d#�Z%eed �d$d%�Z&d&d&d&e fee'e'e'ee gef ed'�d(d)�Z(d*S )+z& Tools for formatting logging events. � )�Mapping)�datetime)�Any�Callable�Iteratorr �Optional�Union�cast)� NamedConstant)�FixedOffsetTimeZone)�Failure)� safe_repr� )� aFormatter� flatFormat)�LogEventz%Y-%m-%dT%H:%M:%S%z)�event�returnc C s t | dddd�S )aa Formats an event as text, using the format in C{event["log_format"]}. This implementation should never raise an exception; if the formatting cannot be done, the returned string will describe the event generically so that a useful message is emitted regardless. @param event: A logging event. @return: A formatted string. F)�includeTraceback�includeTimestamp� includeSystem)� eventAsText)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/_format.py� formatEvent s �r )r �errorr c C sZ zdj | |d�W S tyT t� }d�dd� | �� D ��}dj t|�||d� Y S 0 dS ) z� Formats an event as text that describes the event generically and a formatting error. @param event: A logging event. @param error: The formatting error. @return: A formatted string. z)Unable to format event {event!r}: {error})r r z, c s s( | ] \}}d � t|�t|�f�V qdS )z = N)�joinr )�.0�key�valuer r r � <genexpr>B s �z+formatUnformattableEvent.<locals>.<genexpr>zrMESSAGE LOST: unformattable object logged: {error} Recoverable data: {text} Exception during formatting: {failure})r �failure�textN)�format� BaseExceptionr r �itemsr )r r r! r" r r r �formatUnformattableEvent, s � � ��r& �-)�when� timeFormat�defaultr c C s< |du s| du r|S t �| �}t�| |�}t|�|��S dS )a� Format a timestamp as text. Example:: >>> from time import time >>> from twisted.logger import formatTime >>> >>> t = time() >>> formatTime(t) u'2013-10-22T14:19:11-0700' >>> formatTime(t, timeFormat="%Y/%W") # Year and week number u'2013/42' >>> @param when: A timestamp. @param timeFormat: A time format. @param default: Text to return if C{when} or C{timeFormat} is L{None}. @return: A formatted time. N)r ZfromLocalTimeStamp�DateTime� fromtimestamp�str�strftime)r( r) r* �tzr r r r � formatTimeP s r0 )r r0 r c C s( t | |d�}|sdS |�dd�}|d S )a& Format an event as a line of human-readable text for, e.g. traditional log file output. The output format is C{"{timeStamp} [{system}] {event}\n"}, where: - C{timeStamp} is computed by calling the given C{formatTime} callable on the event's C{"log_time"} value - C{system} is the event's C{"log_system"} value, if set, otherwise, the C{"log_namespace"} and C{"log_level"}, joined by a C{"#"}. Each defaults to C{"-"} is not set. - C{event} is the event, as formatted by L{formatEvent}. Example:: >>> from time import time >>> from twisted.logger import formatEventAsClassicLogText >>> from twisted.logger import LogLevel >>> >>> formatEventAsClassicLogText(dict()) # No format, returns None >>> formatEventAsClassicLogText(dict(log_format="Hello!")) u'- [-#-] Hello!\n' >>> formatEventAsClassicLogText(dict( ... log_format="Hello!", ... log_time=time(), ... log_namespace="my_namespace", ... log_level=LogLevel.info, ... )) u'2013-10-22T17:30:02-0700 [my_namespace#info] Hello!\n' >>> formatEventAsClassicLogText(dict( ... log_format="Hello!", ... log_time=time(), ... log_system="my_system", ... )) u'2013-11-11T17:22:06-0800 [my_system] Hello!\n' >>> @param event: an event. @param formatTime: A time formatter @return: A formatted event, or L{None} if no output is appropriate. )r0 N� z )r �replace)r r0 � eventTextr r r �formatEventAsClassicLogTextr s / r4 c @ sT e Zd ZdZeeef dd�dd�Zed�dd�Z e d�d d �Z eed �d d �Z dS )� CallMappingz� Read-only mapping that turns a C{()}-suffix in key names into an invocation of the key rather than a lookup of the key. Implementation support for L{formatWithCall}. N)� submappingr c C s || _ dS )zo @param submapping: Another read-only mapping which will be used to look up items. N)� _submapping)�selfr6 r r r �__init__� s zCallMapping.__init__)r c C s t | j�S �N)�iterr7 �r8 r r r �__iter__� s zCallMapping.__iter__c C s t | j�S r: )�lenr7 r< r r r �__len__� s zCallMapping.__len__)r r c C s6 |� d�}|r|dd� n|}| j| }|r2|� }|S )z| Look up an item in the submapping for this L{CallMapping}, calling it if C{key} ends with C{"()"}. z()N���)�endswithr7 )r8 r ZcallitZrealKeyr r r r � __getitem__� s zCallMapping.__getitem__) �__name__� __module__� __qualname__�__doc__r r- r r9 r r= �intr? rB r r r r r5 � s r5 )� formatString�mappingr c C s t t�| dt|���S )a� Format a string like L{str.format}, but: - taking only a name mapping; no positional arguments - with the additional syntax that an empty set of parentheses correspond to a formatting item that should be called, and its result C{str}'d, rather than calling C{str} on the element directly as normal. For example:: >>> formatWithCall("{string}, {function()}.", ... dict(string="just a string", ... function=lambda: "a function")) 'just a string, a function.' @param formatString: A PEP-3101 format string. @param mapping: A L{dict}-like object to format. @return: The string with formatted values interpolated. r )r- r �vformatr5 )rH rI r r r �formatWithCall� s rK c C s� zzd| v rt | �W S tttttf | �dd��}|du r@W dS t|t�rLn$t|t�rb|�d�}nt d|����t || �W S t y� } zt | |�W Y d}~S d}~0 0 dS )ae Formats an event as a string, using the format in C{event["log_format"]}. This implementation should never raise an exception; if the formatting cannot be done, the returned string will describe the event generically so that a useful message is emitted regardless. @param event: A logging event. @return: A formatted string. Z log_flattenedZ log_formatN� zutf-8z Log format must be str, not ) r r r r r- �bytes�get� isinstance�decode� TypeErrorrK r$ r& )r r# �er r r � _formatEvent� s rS )r! r c C sB z | � � }W n0 ty< } zdt|� }W Y d}~n d}~0 0 |S )a^ Format a failure traceback, assuming UTF-8 and using a replacement strategy for errors. Every effort is made to provide a usable traceback, but should not that not be possible, a message and the captured exception are logged. @param failure: The failure to retrieve a traceback from. @return: The formatted traceback. z((UNABLE TO OBTAIN TRACEBACK FROM EVENT):N)Z getTracebackr$ r- )r! � tracebackrR r r r �_formatTraceback s "rU c C s� t tt | �dd��}|du rft tt | �dd��}|du rBd}n|j}djt t| �dd��|d�}n$z t|�}W n ty� d}Y n0 |S ) a� Format the system specified in the event in the "log_system" key if set, otherwise the C{"log_namespace"} and C{"log_level"}, joined by a C{"#"}. Each defaults to C{"-"} is not set. If formatting fails completely, "UNFORMATTABLE" is returned. @param event: The event containing the system specification. @return: A formatted string representing the "log_system" key. Z log_systemNZ log_levelr' z{namespace}#{level}Z log_namespace)� namespace�levelZ UNFORMATTABLE)r r r- rN r �namer# � Exception)r �systemrW � levelNamer r r � _formatSystem s � r\ T)r r r r r0 r c C s� t | �}|r2d| v r2| d }t|�}d�||f�}|s:|S d}|rbd�|tt| �dd���dg�}d} |r�d�dt| �ddg�} d j|| |d �S ) ah Format an event as text. Optionally, attach timestamp, traceback, and system information. The full output format is: C{"{timeStamp} [{system}] {event}\n{traceback}\n"} where: - C{timeStamp} is the event's C{"log_time"} value formatted with the provided C{formatTime} callable. - C{system} is the event's C{"log_system"} value, if set, otherwise, the C{"log_namespace"} and C{"log_level"}, joined by a C{"#"}. Each defaults to C{"-"} is not set. - C{event} is the event, as formatted by L{formatEvent}. - C{traceback} is the traceback if the event contains a C{"log_failure"} key. In the event the original traceback cannot be formatted, a message indicating the failure will be substituted. If the event cannot be formatted, and no traceback exists, an empty string is returned, even if includeSystem or includeTimestamp are true. @param event: A logging event. @param includeTraceback: If true and a C{"log_failure"} key exists, append a traceback. @param includeTimestamp: If true include a formatted timestamp before the event. @param includeSystem: If true, include the event's C{"log_system"} value. @param formatTime: A time formatter @return: A formatted string with specified options. @since: Twisted 18.9.0 Z log_failurer1 rL �log_timeN� �[�]z {timeStamp}{system}{eventText})� timeStamprZ r3 )rS rU r r �floatrN r\ r# ) r r r r r0 r3 �frT ra rZ r r r r 7 s$ * �r N))rF �collections.abcr Z MappingABCr r+ �typingr r r r r r Z constantlyr Ztwisted.python._tzhelperr Ztwisted.python.failurer Ztwisted.python.reflectr �_flattenr r Z _interfacesr ZtimeFormatRFC3339r- r r$ r& rb r0 r4 r5 rK rS rU r\ �boolr r r r r �<module> sT $ &�� #�� 6""!� �
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