o
    RcE                     @   sJ  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 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 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 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d"l"m%Z% dd#l"m&Z& 	$d8d%ed&ed'e'd(eee&j(  fd)d*Z)d%ed&ed+e*d,ed-ee&j( d(d.fd/d0Z+d%ed&ed1ed-ee&j( d(d.f
d2d3Z,d%ed&ed1ed-ee&j( d(d.f
d4d5Z-d%ed&ed(d.fd6d7Z.d.S )9    )List)Optional)Union)AssignmentStmt)CallExpr)ClassDef)	Decorator)
LambdaExpr)ListExpr)
MemberExpr)NameExpr)PlaceholderNode)RefExpr)StrExpr)
SymbolNode)SymbolTableNode)TempNode)TypeInfo)Var)SemanticAnalyzerPluginInterface)AnyType)CallableType)get_proper_type)Instance)NoneType)
ProperType)Type)	TypeOfAny)UnboundType)	UnionType   )apply)infer)names)utilFclsapiis_mixin_scanreturnc                 C   s   t | |}|d u rd S | jdrd S t ||}t | |d ur.|s,t| || |S g }| jj	sG|j
 D ]\}}t| |||| q9n#t | jj	D ]}t|tr]t| ||| qNt|trit| ||| qNt| | |sxt| || t || |S )Nbuiltins)r$   info_for_clsfullname
startswithZget_mapped_attributesZestablish_as_sqlalchemyr!   Z re_apply_declarative_assignmentsdefsbodyr#   items_scan_symbol_table_entryZflatten_typechecking
isinstancer   !_scan_declarative_assignment_stmtr    _scan_declarative_decorator_stmt_scan_for_mapped_basesZadd_additional_orm_attributesZset_mapped_attributes)r%   r&   r'   infoZmapped_attributesZsym_namesymstmt r8   @D:\Flask\env\Lib\site-packages\sqlalchemy/ext/mypy/decl_class.py,scan_declarative_assignments_and_apply_types.   sD   





r:   namevalue
attributesNc              	   C   s|  t |j}t|tsdS d}t|j}d}|tjtjtjtj	tj
tjhv r4|jr1t |jd }nWd}nT|tju r|js?d}nIt |jd }	t|	trN|	j}	t|	ttfr||	j|	}
|
durt|
jtrt|
jtjr|tt||
jg t g}nt|d|
jj| |rd}t|||| j|  ttj}|dur|jdusJ | tj!||jj"|jj#|| j$d dS dS )zaExtract mapping information from a SymbolTableNode that's in the
    type.names dictionary.

    NFr   T4Column type should be a TypeEngine subclass not '{}'zCan't infer type from attribute {} on class {}. please specify a return type from this function that is one of: Mapped[<python type>], relationship[<target class>], Column[<TypeEngine>], MapperProperty[<python type>]r;   linecolumntypr5   )%r   typer1   r   r#   type_id_for_named_nodeMAPPEDRELATIONSHIPCOMPOSITE_PROPERTYMAPPER_PROPERTYSYNONYM_PROPERTYCOLUMN_PROPERTYargsCOLUMNr   r   lookup_qualifiedr;   nodehas_base_type_id
TYPEENGINEr   r"   #extract_python_type_from_typeenginer   r$   failformatr+   r   r   special_formappendSQLAlchemyAttributer@   rA   r5   )r%   r&   r;   r<   r=   Z
value_typeleft_hand_explicit_typetype_iderrtypeengine_argr6   msgr8   r8   r9   r0   q   sv   



	

r0   r7   c              	   C   s`  |j D ]}t|tttfrt|tju r nqdS | jj	
|}d}t|jrMttj}t|jj}|j|_t|gt|}	|jj|	_|	| jj	|< dS t|jjtr|jjj}
t|
trft|
| |}ndS |tjtjtjtjtjtj hv r|
j!rt"|
j!d }nE|tj#u r|
j!r|
j!d }t|tr|$|j|}|durt|jt%rt&|jtj'rt(t)*||jg t+ g}nt,|d-|jj.|
 |du rd}t,||-|jj| ttj}t|jj}|j|_t|trt"t/||}|0tj1|g|j_t2t3|jj4|jj	}t|g|}	|jj|	_|5tj6|j|j7|j8|| j9d |	| jj	|< dS )a  Extract mapping information from a @declared_attr in a declarative
    class.

    E.g.::

        @reg.mapped
        class MyClass:
            # ...

            @declared_attr
            def updated_at(cls) -> Column[DateTime]:
                return Column(DateTime)

    Will resolve in mypy as::

        @reg.mapped
        class MyClass:
            # ...

            updated_at: Mapped[Optional[datetime.datetime]]

    Nr   r>   zCan't infer type from @declared_attr on function '{}';  please specify a return type from this function that is one of: Mapped[<python type>], relationship[<target class>], Column[<TypeEngine>], MapperProperty[<python type>]r?   ):Z
decoratorsr1   r   r   r   r#   rD   ZDECLARED_ATTRr-   r.   indexr$   Zname_is_dunderr;   r   r   rT   varrN   r   r   rC   funcr   Zret_typer   Ztype_id_for_unbound_typerE   rF   rG   rH   rI   rJ   rK   r   rL   rM   r   rO   rP   r   r"   rQ   r   rR   rS   r+   Zunbound_to_instanceZ
named_typeZNAMED_TYPE_SQLA_MAPPEDZexpr_to_mapped_constructorr	   	argumentsrU   rV   r@   rA   r5   )r%   r&   r7   r=   decZ	dec_indexrW   Zany_Z	left_nodeZnew_stmt	func_typerX   rZ   r6   r[   rvaluer8   r8   r9   r3      s   







	




	r3   c              	   C   sp  |j d }t|tsdS | jj|j}|dusJ |j}t|tr$dS ||ju s+J t|t	s2J |jdkrG|
|jdu rEt| j dS |jdkrSt| j n1|jdr[dS |jdkrt|jtsnt|d| n|jjD ]}t|ttfrt| ||| qrd}d}	|js|jdu rt|jtr|j}	|jjd	kr|d	| }
|
dur|
jdurt|
jtju rt|jjd }	|j}n!t|j}t|trt|jtju rt|jd }	|}n|}	d}t|jtr|dur|	}n$t|jt rt|jj!t"rt#$||||	|jj!}|du rdS ndS |dusJ |%tj&|j|j'|j(|| jd
 t)||||	| dS )zZExtract mapping information from an assignment statement in a
    declarative class.

    r   NZ__abstract__TZ__tablename____Z_mypy_mapped_attrsz+_mypy_mapped_attrs is expected to be a listZMappedr?   )*Zlvaluesr1   r   r5   r#   getr;   rN   r   r   Z
parse_boolrb   r$   Zset_is_baseZset_has_tabler,   r
   rR   r/   r   r!   Zapply_mypy_mapped_attrZis_inferredrC   r   rM   rD   rE   r   rK   r   r   r   Zcalleer   r"   Z#infer_type_from_right_hand_nameexprrU   rV   r@   rA   Zapply_type_to_mapped_statement)r%   r&   r7   r=   Zlvaluer6   rN   itemZleft_hand_mapped_typerW   Z
mapped_symZ	node_typeZpython_type_for_typer8   r8   r9   r2   g  s   











r2   c                 C   sN   t | |}|du rdS |jdd D ]}|jdrqt|j|dd qdS )zGiven a class, iterate through its superclass hierarchy to find
    all other classes that are considered as ORM-significant.

    Locates non-mapped mixins and scans them for mapped attributes to be
    applied to subclasses.

    Nr    r)   T)r'   )r$   r*   mror+   r,   r:   Zdefn)r%   r&   r5   Z	base_infor8   r8   r9   r4     s   r4   )F)/typingr   r   r   Z
mypy.nodesr   r   r   r   r	   r
   r   r   r   r   r   r   r   r   r   r   Zmypy.pluginr   Z
mypy.typesr   r   r   r   r   r   r   r   r   r    r!   r"   r#   r$   boolrV   r:   strr0   r3   r2   r4   r8   r8   r8   r9   <module>   s   
C
Z
 
 