a Lcf'@sddlZddlZddlZddlZddlZddlmZddlmZddl m Z ddl m Z e dZGdddZGd d d eZed d Zd dZddZddZddZddZd ddZddZddZddZdS)!N)contextmanager)NotSupportedError)md5) parse_timezdjango.db.backendsc@steZdZddZegdZddZddZdd Zd d Z dd dZ dddZ ddZ ddZ ddZddZd S) CursorWrappercCs||_||_dSN)cursordb)selfrr r U/home/httpd/docs/test/DocsMgr/lib/python3.9/site-packages/django/db/backends/utils.py__init__szCursorWrapper.__init__)ZfetchoneZ fetchmanyZfetchallZnextsetcCs*t|j|}|tjvr"|j|S|SdSr)getattrrrWRAP_ERROR_ATTRSr wrap_database_errors)r attrZ cursor_attrr r r __getattr__s   zCursorWrapper.__getattr__ccs8|jj|jEdHWdn1s*0YdSr)r rrr r r r __iter__s zCursorWrapper.__iter__cCs|Srr rr r r __enter__!szCursorWrapper.__enter__cCs*z |Wn|jjjy$Yn0dSr)closer ZDatabaseError)r typevalue tracebackr r r __exit__$s zCursorWrapper.__exit__NcCs|dur|jjjstd|j|jj|durX|durX|j|WdS|dur||j||WdS|pd}|j|||WdSWdn1s0YdS)NzKKeyword parameters for callproc are not supported on this database backend.r )r featuresZsupports_callproc_kwargsrvalidate_no_broken_transactionrrcallproc)r ZprocnameparamsZkparamsr r r r0s  zCursorWrapper.callproccCs|j||d|jdS)NFmanyexecutor)_execute_with_wrappers_executer sqlrr r r executeBs zCursorWrapper.executecCs|j||d|jdS)NTr )r# _executemanyr r& param_listr r r executemanyGs zCursorWrapper.executemanycCs8|j|d}t|jjD]}t||}q|||||S)N) connectionr)r reversedZexecute_wrappers functoolspartial)r r&rr!r"contextwrapperr r r r#Ls z$CursorWrapper._execute_with_wrapperscGst|j|jjN|dur6|j|WdS|j||WdSWdn1sf0YdSr)r rrrr')r r&rignored_wrapper_argsr r r r$Rs   zCursorWrapper._executecGsD|j|jj|j||WdS1s60YdSr)r rrrr+)r r&r*r2r r r r([s  zCursorWrapper._executemany)NN)N)__name__ __module__ __qualname__r frozensetrrrrrrr'r+r#r$r(r r r r rs    rcs8eZdZd fdd ZfddZed ddZZS) CursorDebugWrapperNcsB|j||ddt||WdS1s40YdS)NT)use_last_executed_query) debug_sqlsuperr'r% __class__r r r'dszCursorDebugWrapper.executecsB|j||ddt||WdS1s40YdS)NT)r!)r9r:r+r)r;r r r+hszCursorDebugWrapper.executemanyFc csft}zdVWt}||}|r:|jj|j||}z|rHt|nd}Wntydd}Yn0|jj |r~d||fn|d|dt j d||||jj ||||jj ddnt}||}|r|jj|j||}z|rt|nd}Wnty d}Yn0|jj |r(d||fn|d|dt j d||||jj ||||jj dd0dS) N?z %s times: %s%.3fr&time(%.3f) %s; args=%s; alias=%s)durationr&raliasextra) rA monotonicr opsZlast_executed_queryrlen TypeError queries_logappendloggerdebugrD) r r&rr8r!startstoprCtimesr r r r9lsj   zCursorDebugWrapper.debug_sql)N)NNFF)r3r4r5r'r+rr9 __classcell__r r r;r r7as  r7ccst}z\dVW|jrt}||}|jd|d|dtjd||d|j|||jddnT|jrt}||}|jd|d|dtjd||d|j|||jdd0dS)Nz%sr?r@rB)rCr&rDrE)rArGZqueries_loggedrKrLrMrNrD)r,r&rOrPrCr r r debug_transactionsRrScCsFdD]6}||vr||d\}}|rt|r|||fSq|ddfS)zH Split a time zone name into a 3-tuple of (name, sign, offset). )+-N)rsplitr)tznamesignnameoffsetr r r split_tzname_deltas  r\cCs|rtjtt|dSdS)NrU)datetimedatemapintsplit)sr r r typecast_datesrcc Cs`|sdS|d\}}}d|vr0|d\}}nd}tt|t|t|t|dddS)N:.0000000)rar]rAr`)rbhourminutesseconds microsecondsr r r typecast_times$rmc Cs|sdSd|vrt|S|\}}d|vr>|dd\}}nd|vrV|dd\}}|d}|d}|d}d|vr|d\}}nd}tt|d t|dt|dt|d t|dt|t|d dd S) N rUrVrTrdrerfrrgrh)rcrar]r`)rbdt_datesrQrkrlr r r typecast_timestamps0        rtcCsDz|d\}}Wnty.d|}}Yn0|d|dfS)z Split an SQL identifier into a two element tuple of (namespace, name). The identifier could be a table, column, or sequence name might be prefixed by a namespace. z"."r=")ra ValueErrorstrip) identifier namespacerZr r r split_identifiers  rzcCsVt|\}}|dus t||kr$|St||d}d|r>d|nd|d|||fS)z Shorten an SQL identifier to a repeatable mangled version with the given length. If a quote stripped name contains a namespace, e.g. USERNAME"."TABLE, truncate the table portion only. N)lengthz%s%s%sz%s"."r=)rzrI names_digest)rxr|Zhash_lenryrZdigestr r r truncate_names  rcGs2tdd}|D]}||q|d|S)zk Generate a 32-bit digest of a set of arguments that can be used to shorten identifying names. F)usedforsecurityN)rupdateencode hexdigest)r|argshargr r r r}s r}cCsl|dur dSt}|dur&||_|durL|jtd| |d}nd|jtj<| |}d |S)zc Format a number into a string with the requisite number of digits and decimal places. NrV)r0z{:f}) decimal getcontextcopyprecquantizeDecimalscalebZtrapsRoundedcreate_decimalformat)rZ max_digitsZdecimal_placesr0r r r format_number%s   rcCs(|do|d}|r$|ddS|S)z Strip quotes off of quoted table names to make them safe for use in index names, sequence names, etc. For example '"USER"."TABLE"' (an Oracle naming scheme) becomes 'USER"."TABLE'. rurV) startswithendswith)Z table_nameZ has_quotesr r r strip_quotes9sr)Nr{)r]rr.loggingrA contextlibrZ django.dbrZdjango.utils.cryptorZdjango.utils.dateparser getLoggerrMrr7rSr\rcrmrtrzrr}rrr r r r s,     R1  $