o lf4@sddlZddlZddlZddlZddlmZddlmZddlm Z ddl m Z ddl m Z ddlmZGd d d ZGd d d eZGd ddeZdS)N)apps) OutputWrapper) NOT_PROVIDED)timezone)get_docs_version)MigrationLoaderc@sZeZdZdZdddZddZddZd d Zd d Zd dZ ddZ ddZ ddZ dS)MigrationQuestionerz Give the autodetector responses to questions it might have. This base class has a built-in noninteractive mode, but the interactive subclass is what the command-line arguments will use. NcCs |pi|_|p t|_||_dSN)defaultssetspecified_appsdry_run)selfr r rrc/var/www/ticemtrilhas/avaliacao_env/lib/python3.10/site-packages/django/db/migrations/questioner.py__init__s   zMigrationQuestioner.__init__cCs||jvrdSzt|}Wnty|jddYSwt|j\}}|dur2|jddSzt |}Wnt yI|jddYSwt |ddr[t t j|j}nt|drst|jdkridSt t|jd}td d |D S) z2Should we create an initial migration for the app?T ask_initialFN__file____path__rrcss"|] }|dkr|dVqdS)z __init__.pyz.pyN)endswith).0xrrr 7s z2MigrationQuestioner.ask_initial..)r rget_app_config LookupErrorr getrmigrations_modulelabel importlib import_module ImportErrorgetattroslistdirpathdirnamerhasattrlenrlistany)r app_label app_configmigrations_import_path_r filenamesrrrrs,     zMigrationQuestioner.ask_initialcCdS)#Adding a NOT NULL field to a model.Nrr field_name model_namerrrask_not_null_addition9z)MigrationQuestioner.ask_not_null_additioncCr0)"Changing a NULL field to NOT NULL.Nrr2rrrask_not_null_alteration>r6z+MigrationQuestioner.ask_not_null_alterationcC|jddS)Was this field really renamed? ask_renameFr r)rr4old_namenew_namefield_instancerrrr;CzMigrationQuestioner.ask_renamecCr9)Was this model really renamed?ask_rename_modelFr<)rold_model_statenew_model_staterrrrBGr@z$MigrationQuestioner.ask_rename_modelcCr9)z)Should these migrations really be merged? ask_mergeFr<rr+rrrrEKr@zMigrationQuestioner.ask_mergecCr0)(Adding an auto_now_add field to a model.Nrr2rrrask_auto_now_add_additionOr6z-MigrationQuestioner.ask_auto_now_add_additioncCr0).Adding a unique field with a callable default.Nrr2rrr$ask_unique_callable_default_additionTr6z8MigrationQuestioner.ask_unique_callable_default_addition)NNN) __name__ __module__ __qualname____doc__rrr5r8r;rBrErHrJrrrrr s  r csteZdZ dfdd ZdddZddZdd d Zd d Zd dZddZ ddZ ddZ ddZ ddZ ZS)InteractiveMigrationQuestionerNcs&tj|||d|pttj|_dSN)r r r)superrrsysstdout prompt_output)rr r rrT __class__rrr[sz'InteractiveMigrationQuestioner.__init__cCsz|jj|dddt}|s|dur|S|r |ddvr5|jjdddt}|r |ddvs |ddkS)N endingrynzPlease answer yes or no: y)rTwriteinputlower)rquestiondefaultresultrrr_boolean_inputcs z-InteractiveMigrationQuestioner._boolean_inputcCs|j|t|D]\}}|jd|d|fq |jjdddt} zt|}Wn ty7Ynwd|krEt|krF|S|jjdddt}q() Nz %s) %srzSelect an option: rXrYTrzPlease select a valid option: )rTr] enumerater^int ValueErrorr()rr`choicesichoicerbvaluerrr _choice_inputms"  z,InteractiveMigrationQuestioner._choice_inputrXc Cs|jd|r|jd|d|jd|jd |r'd|}nd}|jj|d d t}|s:|r:|}|sC|jd n1|d krMtd n'z t|ittdWSt t fys}z|jd|WYd}~nd}~wwq)z Prompt for a default value. The ``default`` argument allows providing a custom default value (as a string) which will be shown to the user and used as the return value if the user doesn't provide any other input. z/Please enter the default value as valid Python.zAccept the default 'z/' by pressing 'Enter' or provide another value.zxThe datetime and django.utils.timezone modules are available, so it is possible to provide e.g. timezone.now as a value.zType 'exit' to exit this promptTz[default: {}] >>> z>>> rXrYz;Please enter some code, or 'exit' (without quotes) to exit.exitr)datetimerzInvalid input: %sN) rTr]formatr^rRrlevalrmr SyntaxError NameError)rrapromptcodeerrr _ask_default~s<     z+InteractiveMigrationQuestioner._ask_defaultcCsF|js!|d|d|dddg}|dkrtddS|SdS) r1z.It is impossible to add a non-nullable field 'z' to z{ without specifying a default. This is because the database needs something to populate existing rows. 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[y/N]F)rcr+name)rrCrDr|rrrrBsz/InteractiveMigrationQuestioner.ask_rename_modelcCs |ddS)Nz Merging will only work if the operations printed above do not conflict with each other (working on different fields or models) Should these migration branches be merged? [y/N]F)rcrFrrrrEsz(InteractiveMigrationQuestioner.ask_mergecCsJ|js#|d|d|dddg}|dkrtdd S|jdd Sd S) rGz#It is impossible to add the field 'z' with 'auto_now_add=True' to zf without providing a default. This is because the database needs something to populate existing rows. zDProvide a one-off default now which will be set on all existing rowsrwrxryz timezone.now)raNrzr{rrrrHs  z8InteractiveMigrationQuestioner.ask_auto_now_add_additioncCsH|js"t}|d|d|dd|ddg}|dkr"tdd S) rIz!Callable default on unique field .zO will not generate unique values upon migrating. 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