o Jh@sjdZddlmZddlmZddlmZddlmZdeedZd Zd d Zdd d Z ddZ ddZ dS)z) Migrate yoyo's internal table structure )datetime)timezone)v1)v2N)rrrcCst|ttkSN)get_current_versionmaxschema_versions)backendr b/var/www/html/pro-man-master/venv/lib/python3.10/site-packages/yoyo/internalmigrations/__init__.pyneeds_upgradingsrcCs|dur tt}n|}t|}|+||kr6|d}t|||}t||||ksWddSWddS1sAwYdS)zb Check the currently installed yoyo migrations version and update the internal schema Nr)r r r transactionupgrademark_schema_version)r versiondesired_versioncurrent_version next_versionr r rrs    "rcCslt|}|j}|j|vrdS||vrdS|j}|d|dd||}|d}|tvs4J|S)zG Return the currently installed yoyo migrations schema version rrz SELECT max(rz) FROM )set list_tables version_tablemigration_tablequote_identifierexecutefetchoner )r tablesrqicursorrr r rr *s    r cCsH|tvsJ|tkr dS|d|jd|ttjjddddS)z7 Mark the given version as having been applied Nz INSERT INTO z VALUES (:version, :when))tzinfo)rwhen) r USE_VERSION_TABLE_FROMrversion_table_quotedrnowrutcreplace)r rr r rr=s  rr) __doc__rrrrr r#rrr rr r r rs