a Lcfm*@sddlZddlZddlmZddlmZddlmZmZddl m Z ddl m Z m Z mZddlmZmZddlmZdd lmZdd lmZdd lmZGd d d eZdS)N)apps)settings) BaseCommand CommandError)run_formatters)DEFAULT_DB_ALIAS connections migrations)AmbiguityErrorMigrationLoader)SwappableTuple)MigrationOptimizer)MigrationWriter)get_docs_versionc@s(eZdZdZddZddZddZdS) CommandzZSquashes an existing set of migrations (from first until specified) into a single new one.cCst|jddd|jdddd|jdd d|jd d d d |jdddddd|jddd|jddddddS)N app_labelz6App label of the application to squash migrations for.)helpstart_migration_name?zGMigrations will be squashed starting from and including this migration.)nargsrmigration_namez?Migrations will be squashed until and including this migration.z --no-optimize store_truez/Do not try to optimize the squashed operations.)actionrz --noinputz --no-input store_false interactivez:Tells Django to NOT prompt the user for input of any kind.)rdestrz--squashed-namez,Sets the name of the new squashed migration.z --no-headerinclude_headerz:Do not add a header comment to the new squashed migration.) add_argument)selfparserr m/home/httpd/docs/test/DocsMgr/lib/python3.9/site-packages/django/core/management/commands/squashmigrations.py add_argumentssFzCommand.add_argumentsc s|d|_|d|_|d}|d}|d}|d}|d}|d}zt|Wn0ty}ztt|WYd}~n d}~00ttt |j vrtd || ||fd d j jjfD} |r>| ||} | j| j} z| | } | | d} Wn&ty<td | |fYn0|jd ksR|jr|j|jd| D]|jdjqj|jrd} | r| dvrtd} | sd} qn | d } q| dkrdSg}t}d}| D]}|jrtdt||j|jD]X}t|t rJt!j"|j#kr>|$dn |$|n |d |jks`|r|$|qd}q|r|jd kr|j|jd|}n||jd kr|j|jdt%}|&|j}|jd krt'|t'|kr|jdn|jdt'|t'|fg}| D].jr@|jn|(jjfq&t)dt*j+f|||d}|r|r| j,dd\}}d ||f}nd!| jjf}|||}n$d"|pd#j}|||}d|_-t.||}t/j01|j0rtd$|jd%t2|j0d&d'd(}||3Wdn1s<0Yt4|j0g|jd kr|j|jd)|j0d*|j5r|j|jd+d,t67d-r|j|j8d.dS)/N verbosityrrrr no_optimize squashed_namerzLApp '%s' does not have migrations (so squashmigrations on it makes no sense)cs&g|]\}}|jkr||qSr )r get_migration).0almnloaderZ migrationr r! Xs z"Command.handle..zThe migration '%s' cannot be found. Maybe it comes after the migration '%s'? Have a look at: python manage.py showmigrations %s to debug this issue.rz%Will squash the following migrations:z - %sZynzDo you wish to proceed? [yN] nyTzYou cannot squash squashed migrations! Please transition it to a normal migration first: https://docs.djangoproject.com/en/%s/topics/migrations/#squashing-migrations)Z __setting__AUTH_USER_MODELFz(Skipping optimization.)z Optimizing...z No optimizations possible.z0 Optimized from %s operations to %s operations. Migration) dependencies operationsreplaces_z%s_%sz%s_squashed_%sz0001_%sz squashed_%sz Migration z& already exists. Use a different name.wzutf-8)encodingz!Created new squashed migration %sz You should commit this migration but leave the old ones in place; the new migration will be used for new installs. Once you are sure all instances of the codebase have applied the migrations you squashed, you can delete them.zManual porting requiredz Your migrations contained functions that must be manually copied over, as we could not safely copy their implementation. See the comment at the top of the squashed migration for details.blackz]Squashed migration couldn't be formatted using the "black" command. You can call it manually.)9r#rrZget_app_config LookupErrorrstrr rrZ migrated_appsfind_migrationgraphZ forwards_planrnamer&index ValueErrorstdoutwritestyleZMIGRATE_HEADINGinputlowersetr3rextendr2r1 isinstancer rr/Zsettingaddr optimizelenappendtyper r0splitinitialrospathexistsopen as_stringrZneeds_manual_portingshutilwhichWARNING)roptionsrrrr$r%rerrZmigrations_to_squashZstart_migrationstart start_indexZanswerr2r1Zfirst_migrationZ smigration dependencyZnew_operationsZ optimizerr3subclassprefixr4r=Z new_migrationwriterfhr r*r!handle>s  "                      .    zCommand.handlecCsVz|||WSty0td||fYn"tyPtd||fYn0dS)NzJMore than one migration matches '%s' in app '%s'. Please be more specific.z4Cannot find a migration matching '%s' from app '%s'.)Zget_migration_by_prefixr rKeyError)rr+rr=r r r!r;s  zCommand.find_migrationN)__name__ __module__ __qualname__rr"r`r;r r r r!rs (Br)rOrTZ django.appsrZ django.confrZdjango.core.management.baserrZdjango.core.management.utilsrZ django.dbrrr Zdjango.db.migrations.loaderr r Zdjango.db.migrations.migrationr Zdjango.db.migrations.optimizerr Zdjango.db.migrations.writerrZdjango.utils.versionrrr r r r!s