o
    7fo                     @  s|  U d Z ddlmZ ddlmZ ddlmZmZmZm	Z	m
Z
 ddlmZmZ ddlmZ ddlmZmZmZmZmZmZmZmZmZmZmZmZmZmZmZm Z m!Z!m"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z(m)Z)m*Z*m+Z+m,Z,m-Z-m.Z.m/Z/ ddl0m1Z1 dd	l2m3Z3m4Z4m5Z5m6Z6m7Z7 dd
l8m9Z9m:Z:m;Z;m<Z<m=Z=m>Z>m?Z?m@Z@mAZAmBZBmCZCmDZD ddlEmFZF dZGdeHd< dZIdeHd< dZJdeHd< G dd dZKdS )zZSemantic analysis of named tuple definitions.

This is conceptually part of mypy.semanal.
    )annotations)contextmanager)FinalIteratorListMappingcast)TypeTranslationErrorexpr_to_unanalyzed_type)MessageBuilder)ARG_NAMED_OPTARG_OPTARG_POSMDEFArgumentAssignmentStmtBlockCallExprClassDefContext	DecoratorEllipsisExpr
ExpressionExpressionStmtFuncBaseFuncDefListExprNamedTupleExprNameExprPassStmtRefExpr	StatementStrExprSymbolTableSymbolTableNodeTempNode	TupleExprTypeInfoTypeVarExprVaris_StrExpr_list)Options)PRIORITY_FALLBACKSSemanticAnalyzerInterfacecalculate_tuple_fallbackhas_placeholderset_callable_name)TYPED_NAMEDTUPLE_NAMESAnyTypeCallableTypeLiteralType	TupleTypeType	TypeOfAnyTypeTypeTypeVarLikeTypeTypeVarTypeUnboundTypehas_type_vars)get_unique_redefinition_name)__new____init__	__slots____getnewargs___fields_field_defaults_field_types_make_replace_asdict_source__annotations__r   NAMEDTUPLE_PROHIBITED_NAMESzYInvalid statement in NamedTuple definition; expected "field_name: field_type [= default]"NAMEDTUP_CLASS_ERROR_NTSELF_TVAR_NAMEc                   @  st   e Zd ZdEd	d
ZdFddZdGddZdHddZdId$d%ZdJd(d)ZdKd/d0Z	dLd;d<Z
edMd?d@ZdNdBdCZdDS )ONamedTupleAnalyzeroptionsr+   apir-   msgr   returnNonec                 C  s   || _ || _|| _d S N)rO   rP   rQ   )selfrO   rP   rQ    rV   P/home/ertert/spirit/venv/lib/python3.10/site-packages/mypy/semanal_namedtuple.pyr?   _   s   
zNamedTupleAnalyzer.__init__defnr   is_stub_fileboolis_func_scopetuple[bool, TypeInfo | None]c              	   C  s   |j D ]k}t|trn| j| |jtv rn| ||}|du r" dS |\}}}}	|r;d|jvr;| jdt	|j
 7  _d}
t|jtrG|jj}
| |j||||j
|
}t|dd|_|j
|j_
|j|j_|	|j_d|f  S qdS )a  Analyze if given class definition can be a named tuple definition.

        Return a tuple where first item indicates whether this can possibly be a named tuple,
        and the second item is the corresponding TypeInfo (may be None if not ready and should be
        deferred).
        N)TN@Tis_typed)FN)base_type_exprs
isinstancer    rP   acceptfullnamer1   check_namedtuple_classdefnamestrlineanalyzedr   infobuild_namedtuple_typeinfocolumndefsbody)rU   rX   rY   r[   	base_exprresultitemstypesdefault_items
statementsexisting_infori   rV   rV   rW   analyze_namedtuple_classdeff   s.   
	



z.NamedTupleAnalyzer.analyze_namedtuple_classdefKtuple[list[str], list[Type], dict[str, Expression], list[Statement]] | Nonec                 C  s  t |jdkr| d| g }g }i }g }|jjD ]}|| t|ts[t|ts5t|t	r6t|j
tr6qt|ttfr>qt|t	rJt|j
trJq|  |j| | t| qt |jdksjt|jd ts{|  |j| | t| q|jd j}|| |jdu r|ttj n| jj|j| j  dd}	|	du r dS ||	 |dr| d| | |jdu st|d	r|js| t| qt|jt r|r| d
| q|j||< q|j!rd}
|j!D ]
}| j"#|
|| q||||fS )a  Parse and validate fields in named tuple class definition.

        Return a four tuple:
          * field names
          * field types
          * field default values
          * valid statements
        or None, if any of the types are not ready.
           z"NamedTuple should be a single baser   NNamedTuple item typeallow_placeholderprohibit_self_type_z7NamedTuple field name cannot start with an underscore: 
new_syntaxz:Non-default NamedTuple fields cannot follow default fieldsz( for "__init_subclass__" of "NamedTuple")$lenr`   failrl   rm   appendra   r   r   r   exprr   r   r   r"   popremoved_statementsrK   lvaluesr   re   typer2   r7   unannotatedrP   	anal_typer[   
startswithhasattrr}   rvaluer%   keywordsrQ   (unexpected_keyword_argument_for_function)rU   rX   rY   rp   rq   rr   rs   stmtre   rh   for_functionkeyrV   rV   rW   rd      sp   










z,NamedTupleAnalyzer.check_namedtuple_classdefnoder   var_name
str | None9tuple[str | None, TypeInfo | None, list[TypeVarLikeType]]c                 C  s  t |ts
ddg fS |}|j}t |tsddg fS |j}|dkr#d}n|tv r*d}nddg fS | ||}|r@|\}	}
}}}}n>|rP|}|rO|dt|j 7 }n	dt|j  }}| 	|g g i |jd}| 
|||| ||ksr|ry| j|| ||g fS |s|dg fS |r|}n|}|du s|r|dt|j 7 }|rdd t|	t| d |D }ni }d}t |jtr|jj}| 	||	|
||j|}|r| 
|||| nt||d	|_|j| ||ks|r| j|| |||fS )
a  Check if a call defines a namedtuple.

        The optional var_name argument is the name of the variable to
        which this is assigned, if any.

        Return a tuple of two items:
          * Internal name of the named tuple (e.g. the name passed as an argument to namedtuple)
            or None if it is not a valid named tuple
          * Corresponding TypeInfo, or None if not ready.

        If the definition is invalid but looks like a namedtuple,
        report errors but return (some) TypeInfo.
        Ncollections.namedtupleFTr]   znamedtuple@c                 S  s   i | ]\}}||qS rV   rV   ).0arg_namedefaultrV   rV   rW   
<dictcomp>   s    
z7NamedTupleAnalyzer.check_namedtuple.<locals>.<dictcomp>r^   )ra   r   calleer    rc   r1   parse_namedtuple_argsrf   rg   rj   store_namedtuple_inforP   add_symbol_skip_localzipr~   rh   r   ri   set_line)rU   r   r   r[   callr   rc   r_   ro   rp   rq   defaultstypename	tvar_defsokre   ri   rr   rt   rV   rV   rW   check_namedtuple   sf   






	
z#NamedTupleAnalyzer.check_namedtupleri   r'   re   rf   r   r   r_   c                 C  s.   | j ||| t||d|_|j| d S )Nr^   )rP   
add_symbolr   rh   r   )rU   ri   re   r   r_   rV   rV   rW   r   F  s   z(NamedTupleAnalyzer.store_namedtuple_inforc   WNone | tuple[list[str], list[Type], list[Expression], str, list[TypeVarLikeType], bool]c                 C  s  |t v rdnd}|j}t|dk r| d| d| dS g }t|dkr`|t v r1| d| dS t|jdd dD ]$\}}|dkr_|| }t|ttfrTt	|j
}n	| d	||  nq;|jdd ttgkrw| d
| d| dS t|d ts| d| d| dS |d j}	g }
g }t|d ttfs|dkrt|d tr|d }|jdd }nU| d|| dS |d }|dkrt|j
s| d| dS dd |j
D }n,dd |j
D }| j|}| |j
|}|du rdS |\}}
}}|s
g g g |	g dfS |
sdd |D }
dd |D }|r-| d| dd| | t|t|krH| d| d| |dt| }||
||	|dfS )a  Parse a namedtuple() call into data needed to construct a type.

        Returns a 6-tuple:
        - List of argument names
        - List of argument types
        - List of default values
        - First argument of namedtuple
        - All typevars found in the field definition
        - Whether all types are ready.

        Return None if the definition didn't typecheck.
        
NamedTuple
namedtuple   zToo few arguments for "z()"Nz%Too many arguments for "NamedTuple()"r   z?List or tuple literal expected as the defaults argument to {}()zUnexpected arguments to "r   "z2()" expects a string literal as the first argumentrw   r   , z?List or tuple literal expected as the second argument to "{}()"z.String literal expected as "namedtuple()" itemc                 S     g | ]}|j qS rV   )valuer   itemrV   rV   rW   
<listcomp>      z<NamedTupleAnalyzer.parse_namedtuple_args.<locals>.<listcomp>c                 S  s.   g | ]}t |trt|jd kr|jd qS )r   rw   )ra   r&   r~   rp   )r   trV   rV   rW   r     s    Fc                 S  s   g | ]}t tjqS rV   )r2   r7   r   r   r|   rV   rV   rW   r         c                 S  s   g | ]	}| d r|qS )r|   )r   r   rV   rV   rW   r         z1()" field names cannot start with an underscore: z, z$Too many defaults given in call to "T)r1   argsr~   r   	enumerate	arg_namesra   r   r&   listrp   format	arg_kindsr   r"   r   replacesplitr*   rP   get_and_bind_all_tvars"parse_namedtuple_fields_with_typesjoin)rU   r   rc   	type_namer   r   ir   argr   rq   r   str_exprrp   listexpr
type_exprsro   r|   r   
underscorerV   rV   rW   r   M  s   


z(NamedTupleAnalyzer.parse_namedtuple_argsnodeslist[Expression]contextr   ;tuple[list[str], list[Type], list[Expression], bool] | Nonec           
   	   C  s  g }g }|D ]}t |tr}t|jdkr| d|  dS |j\}}t |tr.||j n	| d|  dS zt|| j	| j
j}W n tyS   | d| Y  dS w | j
j|| j
  dd}	t |	trkttj}	|	du rwg g g df  S ||	 q| d	|  dS ||g d
fS )zParse typed named tuple fields.

        Return (names, types, defaults, whether types are all ready), or None if error occurred.
        r   z'Invalid "NamedTuple()" field definitionNz!Invalid "NamedTuple()" field namezInvalid field typerx   ry   Fz&Tuple expected as "NamedTuple()" fieldT)ra   r&   r~   rp   r   r"   r   r   r
   rO   rP   rY   r	   r   r[   r;   r2   r7   
from_error)
rU   r   r   rp   rq   r   re   	type_noder   rh   rV   rV   rW   r     s>   





z5NamedTupleAnalyzer.parse_namedtuple_fields_with_typesrp   	list[str]rq   
list[Type]rr   Mapping[str, Expression]rg   intrt   TypeInfo | Nonec              	     s&  | j dttj}| j d|g}| j d|g}	| j d|g}
| j d|g}| j d|g}| j dfdd|D }t||}|pR| j ||d_t||j	rqt
j	jrq| j jd d	jkd
  _d| ijd< t
sts| j tfdd 	d@dAfdd}dd t||D }|D ]}||dd qdd t||D }tfdd|D |}|td|dd |td|	dd |td |	dd |td!dd |td"|
dd |td#dd | jjd$kr|td%|dd jd usJ ttjd& t | j j g jttjd'		d@dBfd0d1}|d2d3d |D d4 dC fd6d7|d8fd9d|D dd: |d;g |
d< |d=dttd>||d t gd? t!tjd& t g jttj}t"t#|j$t< S )DNzbuiltins.strzbuiltins.tuplezbuiltins.dictztyping.Iterablezbuiltins.functionc                   s   g | ]}t | qS rV   )r4   r   strtyperV   rW   r     r   z@NamedTupleAnalyzer.build_namedtuple_typeinfo.<locals>.<listcomp>TzNamedTuple item)force_progressfieldsr   c                     s   t  S rT   )r.   rV   )
tuple_baserV   rW   <lambda>  s    z>NamedTupleAnalyzer.build_namedtuple_typeinfo.<locals>.<lambda>Fvarr)   is_initialized_in_classrZ   is_propertyrR   rS   c                   s<    | _ || _|| _ j d| j | _tt|  j| j< d S )N.)	ri   r   r   rc   re   	_fullnamer$   r   names)r   r   r   )ri   rV   rW   	add_field  s
   z?NamedTupleAnalyzer.build_namedtuple_typeinfo.<locals>.add_fieldc                 S     g | ]	\}}t ||qS rV   r)   r   r   typrV   rV   rW   r     r   )r   c                 S  r   rV   r   r   rV   rV   rW   r     r   c                   s   g | ]} qS rV   rV   r   r   rV   rW   r     s    rB   )r   rD   rC   rH   rI   __doc__)   
   __match_args__r   )re   rc   idvaluesupper_boundr   funcnamerf   retr6   r   list[Argument]is_classmethodis_newc                   sB  |s|rt tdtd tg}n
t tdd tg}|| }dd |D }dd |D }dd |D }d |vs;J tttt |||| }	g|	_	t
| |tg }
|
_||
_t|	|
|
_jd |  |
_|
_|rt| |
j}d|_|_|
j|_d|
_t|
td	g|}|_tt|}ntt|
}d|_|j| < d S )
N_cls_selfc                 S  r   rV   )type_annotationr   r   rV   rV   rW   r   ;  r   zTNamedTupleAnalyzer.build_namedtuple_typeinfo.<locals>.add_method.<locals>.<listcomp>c                 S  s   g | ]}|j jqS rV   )variablere   r   rV   rV   rW   r   <      c                 S  r   rV   )kindr   rV   rV   rW   r   =  r   r   Tclassmethod)r   r)   r8   make_normalizedr   r3   r   r   r6   	variablesr   r   ri   is_classr0   r   rc   r   rg   r   is_decoratedr   r   r$   r   plugin_generatedr   )r   r   r   r   r   firstrq   rp   r   	signaturefuncvdecsym)function_typeri   rg   selftypetvdrV   rW   
add_method.  s8   
z@NamedTupleAnalyzer.build_namedtuple_typeinfo.<locals>.add_methodrF   c                 S  s   g | ]}t ||jt tqS rV   )r   r   r   r   r   r   rV   rV   rW   r   X  s    )r   r   r   c                   s.     | jd }|d u rtnt}t| | j||S rT   )getre   r   r   r   r   )r   r   r   )rr   rV   rW   make_init_arg[  s   zCNamedTupleAnalyzer.build_namedtuple_typeinfo.<locals>.make_init_argr>   c                   s   g | ]} |qS rV   rV   r  )r
  rV   rW   r   `  r   )r   r   r   rG   )r   r   rE   iterable)r   r   r   )FF)r   r)   r   rZ   r   rZ   rR   rS   )r   rf   r   r6   r   r   r   rZ   r   rZ   rR   rS   )r   r)   rR   r   )%rP   
named_typer2   r7   special_formnamed_type_or_noner5   basic_new_typeinfois_named_tuplespecial_aliasr/   targetprocess_placeholder
tuple_typeupdate_tuple_typerg   copymetadatar<   schedule_patchr,   r   r)   rO   python_versionr:   rM   rc   
tvar_scopenew_unique_func_idfrom_omitted_genericsr   r   r(   r$   r   r   )rU   re   rp   rq   rr   rg   rt   implicit_anybasetuple_typedictypeordereddictypefallbackiterable_typeliteralsmatch_args_typer   r   r   varstuple_of_stringsr  self_tvar_exprrV   )	rr   r  ri   rg   r
  r  r   r   r  rW   rj     s   	



	
'z,NamedTupleAnalyzer.build_namedtuple_typeinfonamed_tuple_infoIterator[None]c           	      c  s    |j }t |_ dV  tD ](}||j v r5|||j | u rq|j | j}|dus+J | d| d| q| D ]/\}}||j v rd|dkrHq:|j | }t|jtt	frY|j
sYq:t||j }||j |< ||j |< q:dS )aj  Preserve the generated body of class-based named tuple and then restore it.

        Temporarily clear the names dict so we don't get errors about duplicate names
        that were already set in build_namedtuple_typeinfo (we already added the tuple
        field names while generating the TypeInfo, and actual duplicates are
        already reported).
        Nz'Cannot overwrite NamedTuple attribute "r   r   )r   r#   rJ   r	  r   r   rp   ra   r   r   r   r=   )	rU   r(  nt_names
prohibitedctxr   r   r  r_keyrV   rV   rW   save_namedtuple_bodys  s.   	



z'NamedTupleAnalyzer.save_namedtuple_bodyr,  c                 C  s   | j || d S rT   )rP   r   )rU   rQ   r,  rV   rV   rW   r     s   zNamedTupleAnalyzer.failN)rO   r+   rP   r-   rQ   r   rR   rS   )rX   r   rY   rZ   r[   rZ   rR   r\   )rX   r   rY   rZ   rR   rv   )r   r   r   r   r[   rZ   rR   r   )
ri   r'   re   rf   r   r   r_   rZ   rR   rS   )r   r   rc   rf   rR   r   )r   r   r   r   rR   r   )re   rf   rp   r   rq   r   rr   r   rg   r   rt   r   rR   r'   )r(  r'   rR   r)  )rQ   rf   r,  r   rR   rS   )__name__
__module____qualname__r?   ru   rd   r   r   r   r   rj   r   r.  r   rV   rV   rV   rW   rN   ^   s    


#
P
m

c
+ )rN   N)Lr   
__future__r   
contextlibr   typingr   r   r   r   r   mypy.exprtotyper	   r
   mypy.messagesr   
mypy.nodesr   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r    r!   r"   r#   r$   r%   r&   r'   r(   r)   r*   mypy.optionsr+   mypy.semanal_sharedr,   r-   r.   r/   r0   
mypy.typesr1   r2   r3   r4   r5   r6   r7   r8   r9   r:   r;   r<   	mypy.utilr=   rJ   rI   rK   rM   rN   rV   rV   rV   rW   <module>   s     !8
