U ڲgV@sdZddlmZddlmZmZddlmZmZddl m Z mZddl m Z ddl mZdd lmZertdd lmZejZed ZGd d d ejeZGdddejeZGdddeZGdddeZdS)z) Entry point into the adaptation system. ) annotations)ABCabstractmethod)Any TYPE_CHECKING)pqabc)PyFormat) Transformer) AdaptersMap)BaseConnection\c@seZdZUdZdZded<ejjZ ded<d dd d d d Z d dddZ e dddddZ dddddZddddddZddddddZdS)!DumperzP Convert Python object of the type `!cls` to PostgreSQL representation. rintoid pq.FormatformatNtypeabc.AdaptContext | NoneclscontextcCs||_||r|jnd|_dSN)r connectionselfrrr1/tmp/pip-unpacked-wheel-b_ea6rx_/psycopg/adapt.py__init__&szDumper.__init__str)returnc Cs2dt|jdt|jd|jdt|dd S)N<.z (oid=z) at 0xx>)r __module__ __qualname__rid)rrrr__repr__+s0zDumper.__repr__rz Buffer | None)objr!cCsdSrr)rr*rrrdump1sz Dumper.dumpBuffercCs||}|dkrdS|jr4t|jj}||St}||}t|krZd|dSd|d}|ddkr|dd}|S)z By default return the `dump()` value quoted and sanitised, so that the result can be used to build a SQL string. This works well for most types and you won't likely have to implement this method in a subclass. NsNULL's E'\s\\) r+rrZEscapingZpgconnZescape_literalZ escape_stringORD_BSreplace)rr*valueescoutrvrrrquote4s     z Dumper.quoter z abc.DumperKey)r*rr!cCs|jS)a Implementation of the `~psycopg.abc.Dumper.get_key()` member of the `~psycopg.abc.Dumper` protocol. Look at its definition for details. This implementation returns the `!cls` passed in the constructor. Subclasses needing to specialise the PostgreSQL type according to the *value* of the object dumped (not only according to to its type) should override this class. )rrr*rrrrget_keyas zDumper.get_keycCs|S)a/ Implementation of the `~psycopg.abc.Dumper.upgrade()` member of the `~psycopg.abc.Dumper` protocol. Look at its definition for details. This implementation just returns `!self`. If a subclass implements `get_key()` it should probably override `!upgrade()` too. rr6rrrupgradenszDumper.upgrade)N)__name__r&r'__doc__r__annotations__rFormatTEXTrrr)rr+r5r7r8rrrrrs  - rc@sHeZdZUdZejjZded<dddddd Z e d d d d dZ dS)LoaderzK Convert PostgreSQL values with type OID `!oid` to Python objects. rrNrrrrcCs||_||r|jnd|_dSr)rrrrrrrrrszLoader.__init__r,r)datar!cCsdS)z.Convert a PostgreSQL value to a Python object.Nr)rrArrrloadsz Loader.load)N) r9r&r'r:rr<r=rr;rrrBrrrrr>ys r>cs*eZdZdZddddfdd ZZS) RecursiveDumperz:Dumper with a transformer to help dumping recursive types.Nrrrcst||t||_dSrsuperrr Z from_contextZ_txr __class__rrrszRecursiveDumper.__init__)Nr9r&r'r:r __classcell__rrrFrrCsrCcs*eZdZdZddddfdd ZZS) RecursiveLoaderz:Loader with a transformer to help loading recursive types.Nrrr?cst||t||_dSrrDr@rFrrrszRecursiveLoader.__init__)NrHrrrFrrJsrJN)r: __future__rr rrtypingrrrZ_enumsr Z _transformerr Z _adapters_mapr Z_connection_baser r,ordr/rr>rCrJrrrrs     ^