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Edit File: _format.cpython-310.pyc
o �bb. � @ 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 Zd edefdd�Z d ede defdd�Z edfde e de e dedefdd�Z e fd edee e gef de e fdd�Z!G d d � d e�Z"d ed eeef defd d!�Z#d edefd"d#�Z$d$edefd%d&�Z%d edefd'd(�Z&d)d)d)e fd ed*e'd+e'd,e'dee gef def d-d.�Z(d/S )0z& 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 �8/usr/lib/python3/dist-packages/twisted/logger/_format.py� formatEvent s �r �errorc C sV zdj | |d�W S ty* t� }d�dd� | �� D ��}dj t|�||d� Y S w )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�text)�format� BaseExceptionr r �itemsr )r r r! r" r r r �formatUnformattableEvent, s � � ���r& �-�when� timeFormat�defaultc C s8 |du s| du r |S t �| �}t�| |�}t|�|��S )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 �fromLocalTimeStamp�DateTime� fromtimestamp�str�strftime)r( r) r* �tzr r r r � formatTimeP s r1 c C s( t | |d�}|s dS |�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. )r1 N� z )r �replace)r r1 � eventTextr r r �formatEventAsClassicLogTextr s / r5 c @ sX e Zd ZdZdeeef ddfdd�Zdefdd�Z de fd d �Z d edefd 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}. � submappingr Nc C s || _ dS )zo @param submapping: Another read-only mapping which will be used to look up items. N)� _submapping)�selfr7 r r r �__init__� s zCallMapping.__init__c C � t | j�S �N)�iterr8 �r9 r r r �__iter__� � zCallMapping.__iter__c C r; r< )�lenr8 r> r r r �__len__� r@ zCallMapping.__len__r c C s6 |� d�}|r |dd� n|}| j| }|r|� }|S )z| Look up an item in the submapping for this L{CallMapping}, calling it if C{key} ends with C{"()"}. z()N���)�endswithr8 )r9 r �callit�realKeyr r r r � __getitem__� s zCallMapping.__getitem__) �__name__� __module__� __qualname__�__doc__r r. r r: r r? �intrB rG r r r r r6 � s r6 � formatString�mappingc 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 �vformatr6 )rM rN r r r �formatWithCall� s rP c C s� z=d| v r t | �W S tttttf | �dd��}|du r W dS t|t�r&nt|t�r1|�d�}nt d|����t || �W S t yT } z t | |�W Y d}~S d}~ww )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. � log_flattened� log_formatN� zutf-8z Log format must be str, not ) r r r r r. �bytes�get� isinstance�decode� TypeErrorrP r$ r& )r r# �er r r � _formatEvent� s ��rZ r! c C sB z| � � }W |S ty } z dt|� }W Y d}~|S d}~ww )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)� getTracebackr$ r. )r! � tracebackrY r r r �_formatTraceback s ���r] c C s� t tt | �dd��}|du r4t tt | �dd��}|du r!d}n|j}djt t| �dd��|d�}|S zt|�}W |S tyG d}Y |S w ) 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. � log_systemN� log_levelr' z{namespace}#{level}� log_namespace)� namespace�level� UNFORMATTABLE)r r r. rU r �namer# � Exception)r �systemrb � levelNamer r r � _formatSystem s$ � � ��rh Tr r r c C s� t | �}|rd| v r| d }t|�}d�||f�}|s |S d}|r1d�|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 � log_failurer2 rS �log_timeN� �[�]z {timeStamp}{system}{eventText})� timeStamprf r4 )rZ r] r r �floatrU rh r# ) r r r r r1 r4 �fr\ rn rf r r r r 7 s$ * �r N))rK �collections.abcr � MappingABCr r, �typingr r r r r r � constantlyr �twisted.python._tzhelperr �twisted.python.failurer �twisted.python.reflectr �_flattenr r � _interfacesr �timeFormatRFC3339r. r r$ r& ro r1 r5 r6 rP rZ r] rh �boolr r r r r �<module> sl $ &���� �#��� �6 ""!����� ��