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� 1��fc @ s� d Z d d l Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d � Z e j d � Z d e j f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ e j d � Z d e f d � � YZ d! e f d" � � YZ d S(# s� Contain the ``AssociationProxy`` class. The ``AssociationProxy`` is a Python property object which provides transparent proxied access to the endpoint of an association object. See the example ``examples/association/proxied_association.py``. i����Ni ( t exc( t inspect( t orm( t util( t collections( t interfaces( t or_( t ColumnOperatorsc K s t | | | � S( s� Return a Python property implementing a view of a target attribute which references an attribute on members of the target. The returned value is an instance of :class:`.AssociationProxy`. Implements a Python property representing a relationship as a collection of simpler values, or a scalar value. The proxied property will mimic the collection type of the target (list, dict or set), or, in the case of a one to one relationship, a simple scalar value. :param target_collection: Name of the attribute we'll proxy to. This attribute is typically mapped by :func:`~sqlalchemy.orm.relationship` to link to a target collection, but can also be a many-to-one or non-scalar relationship. :param attr: Attribute on the associated instance or instances we'll proxy for. For example, given a target collection of [obj1, obj2], a list created by this proxy property would look like [getattr(obj1, *attr*), getattr(obj2, *attr*)] If the relationship is one-to-one or otherwise uselist=False, then simply: getattr(obj, *attr*) :param creator: optional. When new items are added to this proxied collection, new instances of the class collected by the target collection will be created. For list and set collections, the target class constructor will be called with the 'value' for the new instance. For dict types, two arguments are passed: key and value. If you want to construct instances differently, supply a *creator* function that takes arguments as above and returns instances. For scalar relationships, creator() will be called if the target is None. If the target is present, set operations are proxied to setattr() on the associated object. If you have an associated object with multiple attributes, you may set up multiple association proxies mapping to different attributes. See the unit tests for examples, and for examples of how creator() functions can be used to construct the scalar relationship on-demand in this situation. :param \*\*kw: Passes along any other keyword arguments to :class:`.AssociationProxy`. ( t AssociationProxy( t target_collectiont attrt kw( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt association_proxy s 4t ASSOCIATION_PROXYR c B s� e Z d Z e Z e Z d d d d d e d � Z d � Z d � Z d � Z d d � Z d � Z d � Z d � Z d � Z RS( sD A descriptor that presents a read/write view of an object attribute.c C sz | | _ | | _ | | _ | | _ | | _ | | _ | | _ d t | � j | t | � f | _ | rv | | _ n d S( s Construct a new :class:`.AssociationProxy`. The :func:`.association_proxy` function is provided as the usual entrypoint here, though :class:`.AssociationProxy` can be instantiated and/or subclassed directly. :param target_collection: Name of the collection we'll proxy to, usually created with :func:`_orm.relationship`. :param attr: Attribute on the collected instances we'll proxy for. For example, given a target collection of [obj1, obj2], a list created by this proxy property would look like [getattr(obj1, attr), getattr(obj2, attr)] :param creator: Optional. When new items are added to this proxied collection, new instances of the class collected by the target collection will be created. For list and set collections, the target class constructor will be called with the 'value' for the new instance. For dict types, two arguments are passed: key and value. If you want to construct instances differently, supply a 'creator' function that takes arguments as above and returns instances. :param cascade_scalar_deletes: when True, indicates that setting the proxied value to ``None``, or deleting it via ``del``, should also remove the source object. Only applies to scalar attributes. Normally, removing the proxied target will not remove the proxy source, as this object may have other state that is still to be kept. .. versionadded:: 1.3 .. seealso:: :ref:`cascade_scalar_deletes` - complete usage example :param getset_factory: Optional. Proxied attribute access is automatically handled by routines that get and set values based on the `attr` argument for this proxy. If you would like to customize this behavior, you may supply a `getset_factory` callable that produces a tuple of `getter` and `setter` functions. The factory is called with two arguments, the abstract type of the underlying collection and this proxy instance. :param proxy_factory: Optional. The type of collection to emulate is determined by sniffing the target collection. If your collection type can't be determined by duck typing or you'd like to use a different collection implementation, you may supply a factory function to produce those collections. Only applicable to non-scalar relationships. :param proxy_bulk_set: Optional, use with proxy_factory. See the _set() method for details. :param info: optional, will be assigned to :attr:`.AssociationProxy.info` if present. .. versionadded:: 1.0.9 s _%s_%s_%sN( R t value_attrt creatort getset_factoryt proxy_factoryt proxy_bulk_sett cascade_scalar_deletest typet __name__t idt keyt info( t selfR R R R R R R R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __init__c s I c C s9 | d k r | S| j | | � } | r5 | j | � S| S( N( t Nonet _as_instancet get( R t objt class_t inst( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __get__� s c C s( t | � } | j | | � j | | � S( N( R R t set( R R t valuesR ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __set__� s c C s% t | � } | j | | � j | � S( N( R R t delete( R R R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __delete__� s c C s | j | | � S( s� Return the internal state local to a specific mapped class. E.g., given a class ``User``:: class User(Base): # ... keywords = association_proxy('kws', 'keyword') If we access this :class:`.AssociationProxy` from :attr:`_orm.Mapper.all_orm_descriptors`, and we want to view the target class for this proxy as mapped by ``User``:: inspect(User).all_orm_descriptors["keywords"].for_class(User).target_class This returns an instance of :class:`.AssociationProxyInstance` that is specific to the ``User`` class. The :class:`.AssociationProxy` object remains agnostic of its parent class. :param class\_: the class that we are returning state for. :param obj: optional, an instance of the class that is required if the attribute refers to a polymorphic target, e.g. where we have to look at the type of the actual destination object to get the complete path. .. versionadded:: 1.3 - :class:`.AssociationProxy` no longer stores any state specific to a particular parent class; the state is now stored in per-class :class:`.AssociationProxyInstance` objects. ( R ( R R R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt for_class� s !c C s� y | j | j d } Wn t k r1 d } n X| d k r� | j | � } | d k r� t j | | | � } t | | j d | � q� d } n | d k r� | j r� | j | � S| Sd S( Nt _inst( t __dict__R t KeyErrorR t _calc_ownert AssociationProxyInstancet for_proxyt setattrt _is_canonicalt _non_canonical_get_for_object( R R R R t owner( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR � s c C s9 y t | � } Wn t j k r' d SX| j j j Sd S( N( R R t NoInspectionAvailableR t mappert class_managerR ( R t target_clst insp( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR+ s c s^ | j � t j � � � � f d � } | t k rE � f d � } n � f d � } | | f S( Nc s | d k r � | � Sd S( N( R ( t target( t _getter( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt getter s c s t | � | � d S( N( R. ( t ot kt v( R ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt setter$ s c s t | � | � d S( N( R. ( R: R< ( R ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR= ) s ( R t operatort attrgettert dict( R t collection_classR9 R= ( ( R8 R sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _default_getset s c C s d | j | j f S( Ns AssociationProxy(%r, %r)( R R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __repr__. s N( R t __module__t __doc__t Truet is_attributeR t extension_typeR t FalseR R! R$ R& R' R R+ RB RC ( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR ] s" P # R, c B sa e Z d Z d � Z d Z e d � � Z e d � � Z d � Z e d � � Z d � Z e d � � Z e j d � � Z e d � � Z e d � � Z e d � � Z e j d � � Z e j d � � Z e d � � Z d � Z d � Z e d � � Z d � Z d � Z d � Z d � Z d � Z d � Z d d � Z d d � Z! d d � Z" d � Z# RS( s� A per-class object that serves class- and object-specific results. This is used by :class:`.AssociationProxy` when it is invoked in terms of a specific class or instance of a class, i.e. when it is used as a regular Python descriptor. When referring to the :class:`.AssociationProxy` as a normal Python descriptor, the :class:`.AssociationProxyInstance` is the object that actually serves the information. Under normal circumstances, its presence is transparent:: >>> User.keywords.scalar False In the special case that the :class:`.AssociationProxy` object is being accessed directly, in order to get an explicit handle to the :class:`.AssociationProxyInstance`, use the :meth:`.AssociationProxy.for_class` method:: proxy_state = inspect(User).all_orm_descriptors["keywords"].for_class(User) # view if proxy object is scalar or not >>> proxy_state.scalar False .. versionadded:: 1.3 c C sI | | _ | j | _ | | _ | j | _ d | _ | | _ | | _ d S( N( t parentR t owning_classR R RA t target_classR ( R RJ RK RL R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR S s c C s | j } | j } t j | � j | � } t | t j � sX t j t d � d d �n | j j } y | j | | � } Wnh t k r� t | | | | � St k r� } t j t j d | j | j | j | f � d | �n X| j | | | | | � Sd S( NsE association proxy to a non-relationship intermediary is not supportedt replace_contextsl Association proxy received an unexpected error when trying to retreive attribute "%s.%s" from class "%s": %st from_( R R R t class_mappert get_propertyt isinstancet RelationshipPropertyR t raise_t NotImplementedErrorR R3 R t _cls_unwrap_target_assoc_proxyt AttributeErrort! AmbiguousAssociationProxyInstancet ExceptionR t InvalidRequestErrorR t _construct_for_assoc( t clsRJ RK t parent_instanceR R t propRL t target_assoct err( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR- e s4 c C s� | d k r t | | | | � St | | � } t | d � sP t | | | | � S| j } | rr t | | | | � St | | | | � Sd S( Nt _is_internal_proxy( R t ObjectAssociationProxyInstancet getattrt hasattrRW t _impl_uses_objectst ColumnAssociationProxyInstance( R[ R^ RJ RK RL R R t is_object( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRZ � s c C s t j | j � j | j � S( N( R RO RK RP R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _get_property� s c C s | j � j S( N( Rg t comparator( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _comparator� s c C s t d � � d S( Nsq The association proxy can't be used as a plain column expression; it only works inside of a comparison expression( RT ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __clause_element__� s c C s, t | | � } t | t t f � r( | Sd S( N( Rb RQ R R, R ( R[ RL R R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRU � s c C s | j | j | j � S( N( RU RL R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _unwrap_target_assoc_proxy� s c C s t | j | j � S( s� The 'remote' class attribute referenced by this :class:`.AssociationProxyInstance`. .. seealso:: :attr:`.AssociationProxyInstance.attr` :attr:`.AssociationProxyInstance.local_attr` ( Rb RL R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt remote_attr� s c C s t | j | j � S( s� The 'local' class attribute referenced by this :class:`.AssociationProxyInstance`. .. seealso:: :attr:`.AssociationProxyInstance.attr` :attr:`.AssociationProxyInstance.remote_attr` ( Rb RK R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt local_attr� s c C s | j | j f S( s� Return a tuple of ``(local_attr, remote_attr)``. This attribute was originally intended to facilitate using the :meth:`_query.Query.join` method to join across the two relationships at once, however this makes use of a deprecated calling style. To use :meth:`_sql.select.join` or :meth:`_orm.Query.join` with an association proxy, the current method is to make use of the :attr:`.AssociationProxyInstance.local_attr` and :attr:`.AssociationProxyInstance.remote_attr` attributes separately:: stmt = ( select(Parent). join(Parent.proxied.local_attr). join(Parent.proxied.remote_attr) ) A future release may seek to provide a more succinct join pattern for association proxy attributes. .. seealso:: :attr:`.AssociationProxyInstance.local_attr` :attr:`.AssociationProxyInstance.remote_attr` ( Rm Rl ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR � s c C s' | j � j } | r# | j � n | S( ss Return ``True`` if this :class:`.AssociationProxyInstance` proxies a scalar relationship on the local side.( Rg t uselistt _initialize_scalar_accessors( R t scalar( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRp s c C s | j � j j | j � j S( N( Rg R3 RP R Rn ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _value_is_scalar s c C s t � � d S( N( RT ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _target_is_object s c C sY | j j r* | j j d | � \ } } n | j j d � \ } } | | | _ | _ d S( N( RJ R R RB t _scalar_gett _scalar_set( R R t set_( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRo s c s^ | j � t j � � � � f d � } | t k rE � f d � } n � f d � } | | f S( Nc s | d k r � | � Sd S( N( R ( R7 ( R8 ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR9 ' s c s t | � | � S( N( R. ( R: R; R< ( R ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR= , s c s t | � | � S( N( R. ( R: R< ( R ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR= 1 s ( R R> R? R@ ( R RA R9 R= ( ( R8 R sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRB # s c C s | j j S( N( RJ R ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR 6 s c C s� | d k r | S| j r8 t | | j � } | j | � Sy t | | j � \ } } } Wn t k rj n> Xt | � | k r� t | � | k r� | j d k s� t � | S| j t | | j � � \ | _ } t | | j t | � t | � | f � | Sd S( N( R Rp Rb R Rs R RV R RA t AssertionErrort _newt _lazy_collectionR. ( R R R7 t creator_idt self_idt proxy( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR : s $ (c C s� | j r� | j j r! | j j n | j } t | | j � } | d k rt | d k rX d St | | j | | � � q� | j | | � | d k r� | j j r� t | | j d � q� nC | j | � } | j d k s� t � | | k r� | j | | � n d S( N( Rp RJ R RL Rb R R R. Rt R R RA Rv t _bulk_replace( R R R# R R7 R{ ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR" S s c C ss | j d k r" | j | d � n | j r_ t | | j � } | d k r_ t | | j � q_ n t | | j � d S( N( RK R R+ Rp Rb R t delattrR ( R R R7 ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR% i s c C sA | j j r | j j n | j } t j | � � } | j j ra | | j j | | | j | � f S| j j r� | j j | | � \ } } n | j j | � \ } } | t k r� | t | | | | | � f S| t k r� | t | | | | | � f S| t k r| t | | | | | � f St j d | j j | j f � � d S( Ns� could not guess which interface to use for collection_class "%s" backing "%s"; specify a proxy_factory and proxy_bulk_set manually( RJ R RL R t duck_type_collectionR R R RB t listt _AssociationListR@ t _AssociationDictR" t _AssociationSetR t ArgumentErrorRA R R ( R t lazy_collectionR RA R9 R= ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRw s s0 ! c C s� | j j r" | j j | | � nl | j t k rA | j | � nM | j t k r` | j | � n. | j t k r | j | � n t j d � � d S( NsE no proxy_bulk_set supplied for custom collection_class implementation( RJ R RA R t extendR@ t updateR" R R� ( R R{ R# ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _set� s c C s� | j j r | j j p | j } | j j rN | j j | j | � \ } } n | j j | j � \ } } | | _ | | _ | | _ d S( N( RJ R RL R RA RB R9 R= ( R R{ R R9 R= ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _inflate� s ! c K s� | j d d � } | j } | d k rL | j d | | � } | j j | � S| j r t | j | j � } | j | | � } nB | r� t j d � � n$ | r� | d k r� t j d � � n | } | j j | � S( Nt is_hast criterionsJ Can't apply keyword arguments to column-targeted association proxy; use ==sI Non-empty has() not allowed for column-targeted association proxy; use ==( t popR Rk t _criterion_existsRi Rr Rb RL R R R� ( R R� t kwargsR� R^ t innerR] t value_expr( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� � s" c K sV | j d k r= | j r= | j s+ | j r= t j d � � n | j d | d t | � S( s! Produce a proxied 'any' expression using EXISTS. This expression will be a composed product using the :meth:`.RelationshipProperty.Comparator.any` and/or :meth:`.RelationshipProperty.Comparator.has` operators of the underlying proxied attributes. s9 'any()' not implemented for scalar attributes. Use has().R� R� N( Rk R Rp Rr Rq R RY R� RI ( R R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt any� s c K sW | j d k r> | j s, | j r> | j r> t j d � � n | j d | d t | � S( s! Produce a proxied 'has' expression using EXISTS. This expression will be a composed product using the :meth:`.RelationshipProperty.Comparator.any` and/or :meth:`.RelationshipProperty.Comparator.has` operators of the underlying proxied attributes. s4 'has()' not implemented for collections. Use any().R� R� N( Rk R Rp Rr Rq R RY R� RF ( R R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt has� s c C s d | j j | j f S( Ns %s(%r)( t __class__R RJ ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRC s N($ R RD RE R R RL t classmethodR- RZ Rg t propertyRi Rj RU R t memoized_propertyRk Rl Rm R Rp Rq Rr Ro RB R R R" R% Rw R� R� R� R� R� RC ( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR, 5 s: 2 0 RW c B st e Z d Z e Z d � Z d � Z d � Z d � Z d d � Z d d � Z e j d � � Z d � Z d � Z RS( sc an :class:`.AssociationProxyInstance` where we cannot determine the type of target object. c C s/ t d | j j | j | j | j f � � d S( Ns� Association proxy %s.%s refers to an attribute '%s' that is not directly mapped on class %s; therefore this operation cannot proceed since we don't know what type of object is referred towards( RV RK R R R RL ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _ambiguous s c C s* | d k r | St t | � j | � Sd S( N( R t superRW R ( R R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR s c C s | j � d S( N( R� ( R R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __eq__& s c C s | j � d S( N( R� ( R R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __ne__) s c K s | j � d S( N( R� ( R R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� , s c K s | j � d S( N( R� ( R R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� / s c C s i S( N( ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _lookup_cache2 s c C s� | d k r� t | | j � } | d k r� y t | � } Wn t j k rP q� X| j } | j } | | j k r� | j | | � n y | j | SWq� t k r� q� Xq� n | S( N( R Rb R R R R2 R3 R R� t _populate_cacheR* ( R R\ t actual_objR6 R3 t instance_class( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR0 9 s c C s� t j | j � j | j � } | j | j � r� | } y | j | | j � } Wn t k rb q� X| j | | j | j | | j � | j | <n d S( N( R RO RK RP R t isaR3 RU R RV RZ RJ R� ( R R� R3 R] RL R^ ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� P s N( R RD RE RI R/ R� R R� R� R R� R� R R� R� R0 R� ( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRW s Ra c B s5 e Z d Z e Z e Z d � Z d � Z d � Z RS( sE an :class:`.AssociationProxyInstance` that has an object as a target.c C s� | j } | d k rC | j j | j s6 | j | � n | | k � S| j r� | j r� | j r� | j j t | j | j � j | � � S| j r� | j r� | j r� t j d � � n | j j i | | j 6� Sd S( sa Produce a proxied 'contains' expression using EXISTS. This expression will be a composed product using the :meth:`.RelationshipProperty.Comparator.any`, :meth:`.RelationshipProperty.Comparator.has`, and/or :meth:`.RelationshipProperty.Comparator.contains` operators of the underlying proxied attributes. s< contains() doesn't apply to a scalar object endpoint; use ==N( Rk R Ri R� Rp t containsRr Rq R� Rb RL R R RY ( R R R^ ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� m s c C sV | d k r8 t | j j i | | j 6� | j d k � S| j j i | | j 6� Sd S( N( R R Ri R� R ( R R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� � s c C s% | j j t | j | j � | k � S( N( Ri R� Rb RL R ( R R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� � s ( R RD RE RF Rr R/ R� R� R� ( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRa g s ! Re c B s, e Z d Z e Z e Z d � Z d � Z RS( sV an :class:`.AssociationProxyInstance` that has a database column as a target. c C sK | j | j j t j | � � } | d k rC t | | j d k � S| Sd S( N( R� Rl t operateR> t eqR R Ri ( R t othert expr( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� � s c O s | j | j j | | | � � S( N( R� Rl R� ( R t opR� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� � s ( R RD RE RI Rr RF R/ R� R� ( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRe � s Rx c B s, e Z d � Z d � Z d � Z d � Z RS( c C s | | _ | | _ d S( N( RJ R7 ( R R R7 ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR � s c C s t | j | j � S( N( Rb RJ R7 ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __call__� s c C s i | j d 6| j d 6S( NR R7 ( RJ R7 ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __getstate__� s c C s | d | _ | d | _ d S( NR R7 ( RJ R7 ( R t state( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __setstate__� s ( R RD R R� R� R� ( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyRx � s t _AssociationCollectionc B sS e Z d � Z e d � � Z d � Z d � Z e Z d � Z d � Z d � Z RS( c C s1 | | _ | | _ | | _ | | _ | | _ d S( s� Constructs an _AssociationCollection. This will always be a subclass of either _AssociationList, _AssociationSet, or _AssociationDict. lazy_collection A callable returning a list-based collection of entities (usually an object attribute managed by a SQLAlchemy relationship()) creator A function that creates new target entities. Given one parameter: value. This assertion is assumed:: obj = creator(somevalue) assert getter(obj) == somevalue getter A function. Given an associated object, return the 'value'. setter A function. Given an associated object and a value, store that value on the object. N( R� R R9 R= RJ ( R R� R R9 R= RJ ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR � s c C s | j � S( N( R� ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt <lambda>� t c C s t | j � S( N( t lent col( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __len__� s c C s t | j � S( N( t boolR� ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __bool__� s c C s i | j d 6| j d 6S( NRJ R� ( RJ R� ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� � s c C s. | d | _ | d | _ | j j | � d S( NRJ R� ( RJ R� R� ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� � s c C s | j � | j | | � d S( N( t clearR� ( R t assoc_proxyR# ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR| � s ( R RD R R� R� R� R� t __nonzero__R� R� R| ( ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� � s R� c B s� e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z e Z! d � Z" d! � Z# d" � Z$ d# � Z% d$ � Z& d% � Z' xo e( e) � j* � � D]X \ Z+ Z, e- e, � roe, j e+ k roe, j roe. e( e+ � roe/ e( e+ � j e, _ qoqoW[+ [, RS(& s( Generic, converting, list-to-list proxy.c C s | j | � S( N( R ( R t value( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _create s c C s | j | � S( N( R9 ( R t object_( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt _get s c C s | j | | � S( N( R= ( R R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� s c C sN t | t � s# | j | j | � Sg | j | D] } | j | � ^ q1 Sd S( N( RQ t sliceR� R� ( R t indext member( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __getitem__ s c C s� t | t � s) | j | j | | � nW| j d k rG t | � } n. | j d k rl t | � | j } n | j } | j p� d } | j p� d } t t | j p� d | | � � } | d k r x | D] } | | =q� W| } x� | D] } | j | | � | d 7} q� Wnt t | � t | � k rIt d t | � t | � f � � n x4 t | | � D]# \ } } | j | j | | � qYWd S( Ni i sB attempt to assign sequence of size %s to extended slice of size %s( RQ R� R� R� t stopR R� t stept startR t ranget insertt ValueErrort zip( R R� R� R� R� R� t rngt it item( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __setitem__ s. ! c C s | j | =d S( N( R� ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __delitem__2 s c C s1 x* | j D] } | j | � | k r t Sq Wt S( N( R� R� RF RI ( R R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __contains__5 s c C s* g | j | | !D] } | j | � ^ q S( N( R� R� ( R R� t endR� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __getslice__< s c C s6 g | D] } | j | � ^ q } | | j | | +d S( N( R� R� ( R R� R� R# R< t members( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __setslice__? s "c C s | j | | 5d S( N( R� ( R R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __delslice__C s c c s& x | j D] } | j | � Vq Wd S( s� Iterate over proxied values. For the actual domain objects, iterate over .col instead or just use the underlying collection directly from its property on the parent. N( R� R� ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __iter__F s c C s) | j } | j | � } | j | � d S( N( R� R� t append( R R� R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� R s c s8 t g t j � f d � t | � � D] } d ^ q% � S( Nc s | � k S( N( ( R< ( R� ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� \ R� i ( t sumR t itertools_filtert iter( R R� t _( ( R� sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt countW s c C s" x | D] } | j | � q Wd S( N( R� ( R R# R< ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� a s c C s | j | � g | j | | +d S( N( R� R� ( R R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� e s i����c C s | j | j j | � � S( N( R9 R� R� ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� h s c C sG x4 t | � D]& \ } } | | k r | j | =d Sq Wt d � � d S( Ns value not in list( t enumerateR� R� ( R R� R� t val( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt removek s c C s t � d S( s# Not supported, use reversed(mylist)N( RT ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt reverser s c C s t � d S( s! Not supported, use sorted(mylist)N( RT ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt sortw s c C s | j d t | j � 5d S( Ni ( R� R� ( R ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� | s c C s t | � | k S( N( R ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� s c C s t | � | k S( N( R ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyR� � s c C s t | � | k S( N( R ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __lt__� s c C s t | � | k S( N( R ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __le__� s c C s t | � | k S( N( R ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __gt__� s c C s t | � | k S( N( R ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __ge__� s c C s t j t | � | � S( N( R t cmpR ( R R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __cmp__� s c C s3 y t | � } Wn t k r$ t SXt | � | S( N( R t TypeErrort NotImplemented( R t iterableR� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __add__� s c C s3 y t | � } Wn t k r$ t SX| t | � S( N( R R� R� ( R R� R� ( ( sR /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/ext/associationproxy.pyt __radd__� s c C s! 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