o >h4@s4dZddlmZddlmZddlmZmZmZm Z m Z m Z m Z ddl mZddlmZddlmZddlmZd d lmZmZd d lmZd ZdAddZdBddZedfdCddZefdDd d!ZdEd&d'ZGd(d%d%e Z!Gd)d*d*e e"efZ#dFd.d/Z$dAd0d1Z%dGd4d5Z&dAd6d7Z'd8d8d8efdHd>d?Z(d@S)Iz& Tools for formatting logging events. ) annotations)datetime)AnyCallableIteratorMappingOptionalUnioncast) NamedConstant)FixedOffsetTimeZone)Failure) safe_repr) aFormatter flatFormat)LogEventz%Y-%m-%dT%H:%M:%S%zeventrreturnstrcCst|ddddS)aa Formats an event as text, using the format in C{event["log_format"]}. This implementation should never raise an exception; if the formatting cannot be done, the returned string will describe the event generically so that a useful message is emitted regardless. @param event: A logging event. @return: A formatted string. F)includeTracebackincludeTimestamp includeSystem) eventAsText)rrv/var/www/vedio/testing/chatpythonscript.ninositsolution.com/env/lib/python3.10/site-packages/twisted/logger/_format.py formatEvents  rerror BaseExceptioncCsVzdj||dWSty*t}ddd|D}djt|||dYSw)z Formats an event as text that describes the event generically and a formatting error. @param event: A logging event. @param error: The formatting error. @return: A formatted string. z)Unable to format event {event!r}: {error})rrz, css*|]\}}dt|t|fVqdS)z = N)joinr).0keyvaluerrr Cs  z+formatUnformattableEvent..zrMESSAGE LOST: unformattable object logged: {error} Recoverable data: {text} Exception during formatting: {failure})rfailuretext)formatrr ritemsr)rrr$r%rrrformatUnformattableEvent-s    r(-whenOptional[float] timeFormat Optional[str]defaultcCs8|dus|dur |St|}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 fromLocalTimeStampDateTime fromtimestamprstrftime)r*r,r.tzrrrr formatTimeQs   r4 Callable[[Optional[float]], str]cCs(t||d}|s dS|dd}|dS)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. )r4N z )rreplace)rr4 eventTextrrrformatEventAsClassicLogTextss / r9r!getterCallable[[str], Any]PotentialCallWrappercCs8|d}|r |ddn|}||}|r|}t|S)at Check to see if C{key} ends with parentheses ("C{()}"); if not, wrap up the result of C{get} in a L{PotentialCallWrapper}. Otherwise, call the result of C{get} first, before wrapping it up. @param key: The last dotted segment of a formatting key, as parsed by L{Formatter.vformat}, which may end in C{()}. @param getter: A function which takes a string and returns some other object, to be formatted and stringified for a log. @return: A L{PotentialCallWrapper} that will wrap up the result to allow for subsequent usages of parens to defer execution to log-format time. z()N)endswithr<)r!r:callitrealKeyr"rrrkeycalls rAc@sLeZdZdZdddZdd d Zdd d ZdddZdddZdddZ dS)r<z Object wrapper that wraps C{getattr()} so as to process call-parentheses C{"()"} after a dotted attribute access. wrappedobjectrNonecCs ||_dSN)_wrapped)selfrBrrr__init__ zPotentialCallWrapper.__init__namercst|fddS)Ncs tj|SrE)getattrrF)name_rGrrs z2PotentialCallWrapper.__getattr__..)rA)rGrJrrMr __getattr__sz PotentialCallWrapper.__getattr__cCs|j|}t|SrE)rFr<)rGrJr"rrr __getitem__s z PotentialCallWrapper.__getitem__ format_speccCs t|j|SrE)r&rF)rGrQrrr __format__s zPotentialCallWrapper.__format__cC t|jSrE)reprrFrMrrr__repr__rIzPotentialCallWrapper.__repr__cCrSrE)rrFrMrrr__str__rIzPotentialCallWrapper.__str__N)rBrCrrD)rJrrrC)rQrrr)rr) __name__ __module__ __qualname____doc__rHrOrPrRrUrVrrrrr<s     c@s8eZdZdZdddZdd d Zdd d ZdddZdS) 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}. submappingMapping[str, Any]rrDcCs ||_dS)zo @param submapping: Another read-only mapping which will be used to look up items. N) _submapping)rGr\rrrrHs zCallMapping.__init__ Iterator[Any]cCrSrE)iterr^rMrrr__iter__rIzCallMapping.__iter__intcCrSrE)lenr^rMrrr__len__rIzCallMapping.__len__r!rrcCst||jjS)z| Look up an item in the submapping for this L{CallMapping}, calling it if C{key} ends with C{"()"}. )rAr^rP)rGr!rrrrPszCallMapping.__getitem__N)r\r]rrD)rr_)rrb)r!rrr)rWrXrYrZrHrardrPrrrrr[s    r[ formatStringmappingr]cCstt|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)rrvformatr[)rerfrrrformatWithCallsrhc Csz=d|vr t|WStttttf|dd}|dur WdSt|tr&nt|tr1|d}nt d|t ||WSt yT}z t ||WYd}~Sd}~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_formatNzutf-8zLog format must be str, not ) rr rr rbytesget isinstancedecode TypeErrorrhrr()rr&errr _formatEvents       rrr$r c CsBz|}W|Sty }z dt|}WYd}~|Sd}~ww)a^ Format a failure traceback, assuming UTF-8 and using a replacement strategy for errors. Every effort is made to provide a usable traceback, but should not that not be possible, a message and the captured exception are logged. @param failure: The failure to retrieve a traceback from. @return: The formatted traceback. z((UNABLE TO OBTAIN TRACEBACK FROM EVENT):N) getTracebackrr)r$ tracebackrqrrr_formatTraceback5s rucCsttt|dd}|dur4ttt|dd}|dur!d}n|j}djtt|dd|d}|Szt|}W|StyGd}Y|Sw) 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) namespacelevel UNFORMATTABLE)r rrrmr rJr& Exception)rsystemrz levelNamerrr _formatSystemGs$    rTrboolrrCallable[[float], str]c Cst|}|rd|vr|d}t|}d||f}|s|Sd}|r1d|tt|dddg}d} |r@ddt|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_failurer6rklog_timeN []z{timeStamp}{system}{eventText}) timeStampr}r8)rrrurr floatrmrr&) rrrrr4r8frtrr}rrrrfs$*  rN)rrrr)rrrrrr)r*r+r,r-r.rrr)rrr4r5rr-)r!rr:r;rr<)rerrfr]rr)r$r rr) rrrrrrrrr4rrr))rZ __future__rrr0typingrrrrrr r constantlyr twisted.python._tzhelperr twisted.python.failurer twisted.python.reflectr_flattenrr _interfacesrtimeFormatRFC3339rr(r4r9rArCr<rr[rhrrrurrrrrrs<  $       & # 6   " !