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Module for scope operations
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é )Ú annotations)ÚChainMapN)ÚStringIO)ÚTypeVar)Ú Timestamp)ÚUndefinedVariableErrorÚ_KTÚ_VTc ó e Zd ZdZddZddZy)Ú DeepChainMapz~
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Variant of ChainMap that allows direct updates to inner scopes.
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Only works when all passed mapping are mutable.
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c ó` | j D ] }||v s|||< y || j d |< y )Nr )Úmaps)ÚselfÚkeyÚvalueÚmappings úPH:\Change_password\venv_build\Lib\site-packages\pandas/core/computation/scope.pyÚ __setitem__zDeepChainMap.__setitem__! s< Øyyò GØg~Ø $ Ùð ð " ! SÒó c óL | j D ] }||v s||= y t |« )z\
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Raises
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------
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KeyError
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If `key` doesn't exist.
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N)r ÚKeyError)r r r s r Ú __delitem__zDeepChainMap.__delitem__( s4 ð yyò GØg~ØCLÙð ô smÐr N)r r r r
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ÚreturnÚNone)r r r r )Ú__name__Ú
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__module__Ú __qualname__Ú__doc__r r © r r r r s ñó "ô r r ÚScopec ó( t | dz ||||¬« S )z.Ensure that we are grabbing the correct scope.é )Ú global_dictÚ
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local_dictÚ resolversÚtarget)r )Úlevelr# r$ r% r& s r Ú ensure_scoper( 6 s$ ô Ø Ø Ø ØØô ð r c óf t | « }t |« S # t $ r | }Y t |« S w xY w)z
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Replace a number with its hexadecimal representation. Used to tag
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temporary variables with their calling scope's id.
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)ÚordÚ TypeErrorÚhex)ÚxÚhexins r Ú _replacerr/ C s< ðÜAô
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u:Ðøô ò àä u:Ðð ús 0¯0c ó t j dt | « « }dj |D cg c] }t |« c}« S c c}w )z,Return the padded hexadecimal id of ``obj``.z@PÚ )ÚstructÚpackÚidÚjoinr/ )ÚobjÚpackedr- s r Ú _raw_hex_idr8 S s9 ô [[r #wÓ 'FØ 77¨&Ö1 QIaLÒ1Ó 2Ð2ùÒ1s ¯ATF)r ÚdatetimeÚTrueÚFalseÚlistÚtupleÚinfÚInfc ód t « }t j | |¬« |j « S )z¼
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Return a prettier version of obj.
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Parameters
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----------
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obj : object
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Object to pretty print
|
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Returns
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-------
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str
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Pretty print object repr
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)Ústream)r ÚpprintÚgetvalue)r6 Úsios r Ú_get_pretty_stringrE f s% ô *CÜ
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MM#cÕ"Ø <<>Ðr c ó¼ e Zd ZU dZg d¢Zded< ded< ded< ded < d dd Zdd Zedd « Z ddZ
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) r aÒ
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Object to hold scope, with a few bells to deal with some custom syntax
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and contexts added by pandas.
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Parameters
|
----------
|
level : int
|
global_dict : dict or None, optional, default None
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local_dict : dict or Scope or None, optional, default None
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resolvers : list-like or None, optional, default None
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target : object
|
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Attributes
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----------
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level : int
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scope : DeepChainMap
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target : object
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temps : dict
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)r' Úscoper& r% ÚtempsÚintr' r rG r% ÚdictrH Nc óZ |dz | _ t t j « « | _ || _ t |t « r]| j j |j « |j
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|j
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| _ | j |j « t j | j « } | j j ||n |j j « « }t |« | _ t |t « sG| j j ||n |j j « « }t |« | _ ~t |t « r"|t |j j" « z }t | | _ i | _ y # ~w xY w)Nr" )r' r ÚDEFAULT_GLOBALSÚcopyrG r& Ú
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isinstancer ÚupdateÚ_updateÚsysÚ _getframeÚ new_childÚ f_globalsÚf_localsr= r% r rH ) r r' r# r$ r% r& ÚframeÚ scope_globalÚ scope_locals r Ú__init__zScope.__init__ sS ð QY
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ô "¤/×"6Ñ"6Ó"8Ó9
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Ø ä j¤%Ô (Ø JJ× Ñ j× .Ñ .Ô /Ø× Ñ Ð,Ø (× /Ñ / Ø LL×)Ñ)Ô *ä djjÓ)ð ð ::×/Ñ/Ø +Ð 7¸U¿_¹_×RÑRÓTó Lô & lÓ3DJÜ j¬%Ô0Ø "jj× 2Ñ 2Ø#-Ð#9Z¸u¿~¹~×SÑSÓUó ô *¨+Ó 6
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àô j¤%Ô (Ø z× 3Ñ 3× 8Ñ 8Ó9Ñ 9IÜ% yÐ1Ø
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øñ ús ÃB F' Æ'F*c óî t t | j j « « « }t t | j j « « « }t | « j d| d| dS )Nz(scope=z , resolvers=ú))rE r< rG Úkeysr% Útyper )r Ú
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scope_keysÚres_keyss r Ú__repr__zScope.__repr__¼ s\ Ü'¬¨T¯Z©Z¯_©_Ó->Ó(?Ó@
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Ü%¤d¨4¯>©>×+>Ñ+>Ó+@Ó&AÓBÜt*×%Ñ%Ð& g¨j¨\¸ ÀhÀZÈqÐQÐQr c ó> t t | j « « S )zõ
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Return whether we have any extra scope.
|
|
For example, DataFrames pass Their columns as resolvers during calls to
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``DataFrame.eval()`` and ``DataFrame.query()``.
|
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Returns
|
-------
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hr : bool
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)ÚboolÚlenr% ©r s r Ú has_resolverszScope.has_resolversÁ s ô CÓ'Ó(Ð(r c ó |r| j | S | j r| j | S |s | j rJ | j | S # t $ r1 | j | cY S # t $ r}t ||« |d}~ww xY ww xY w)a
|
Resolve a variable name in a possibly local context.
|
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Parameters
|
----------
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key : str
|
A variable name
|
is_local : bool
|
Flag indicating whether the variable is local or not (prefixed with
|
the '@' symbol)
|
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Returns
|
-------
|
value : object
|
The value of a particular variable
|
N)rG re r% r rH r )r r Úis_localÚerrs r Úresolvez Scope.resolveÏ s ð" EáØzz #Ð&ð ×!Ò!Ø~~ cÑ*Ð*ñ ¨×(:Ò(:Ð :Ð:Ø::c?Ð "øÜò Eð Eð zz #Ò&øÜò EÜ,¨S°(Ó;ÀÐDûð Eúð Eús9 A A ® A Á BÁA(Á%BÁ( BÁ1 A>Á>BÂBc óþ | j r.| j j | j j z }n| j j }|j | j
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« |D ] }||v s|||< y y)a]
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Replace a variable name, with a potentially new value.
|
|
Parameters
|
----------
|
old_key : str
|
Current variable name to replace
|
new_key : str
|
New variable name to replace `old_key` with
|
new_value : object
|
Value to be replaced along with the possible renaming
|
N)re r% r rG ÚappendrH )r Úold_keyÚnew_keyÚ new_valuer r s r Úswapkeyz Scope.swapkeyö sj ð × Ò Ø>>×&Ñ&¨¯©¯ © Ñ8Dà::??Dà DJJÔ àò GØ'Ò!Ø#,Ñ Ùñ r c óÒ t j ||« }|D ]F \ }\ }}}}}} t |d| « }t | j j |« « | _ ~H y# ~w xY w)a
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Get specifically scoped variables from a list of stack frames.
|
|
Parameters
|
----------
|
stack : list
|
A list of stack frames as returned by ``inspect.stack()``
|
scopes : sequence of strings
|
A sequence containing valid stack frame attribute names that
|
evaluate to a dictionary. For example, ('locals', 'globals')
|
Úf_N)Ú itertoolsÚproductÚgetattrr rG rS )r ÚstackÚscopesÚ variablesrG rV Ú_Úds r Ú _get_varszScope._get_vars su ô ×%Ñ% f¨eÓ4 Ø-6ò Ñ )EÑ)E1a A qð ÜE R¨ w <Ó0Ü )¨$¯*©*×*>Ñ*>¸qÓ*AÓ B
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ñ
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ñ øñ ús §8A#Á#A&c ó |dz }t j « } | j |d| dg¬« |dd
= ~y# |dd
= ~w xY w)z
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Update the current scope by going back `level` levels.
|
|
Parameters
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----------
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level : int
|
r" NÚlocals)rv )Úinspectru rz )r r' Úslru s r rP z Scope._update& sJ ð QYô
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ð Ø NN5 ":¨x¨jNÔ 9àa%øa%ús 9 ¹Ac óÄ t |« j d| j dt | « }|| j vsJ || j |< || j v sJ |S )a#
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Add a temporary variable to the scope.
|
|
Parameters
|
----------
|
value : object
|
An arbitrary object to be assigned to a temporary variable.
|
|
Returns
|
-------
|
str
|
The name of the temporary variable created.
|
rx )r] r Úntempsr8 rH )r r Únames r Úadd_tmpz Scope.add_tmp: sj ô u+×&Ñ&Ð' q¨¯©¨ °Q´{À4Ó7HÐ6IÐJð 4::Ñ%Ð%Ð%Ø
|
|
4ÑØtzzÑ!Ð!Ð!ð r c ó, t | j « S )z/The number of temporary variables in this scope)rc rH rd s r r z Scope.ntempsR s ô 4::Ð r c ó | j g| j j z | j j z }t | S )zÑ
|
Return the full scope for use with passing to engines transparently
|
as a mapping.
|
|
Returns
|
-------
|
vars : DeepChainMap
|
All variables in this scope.
|
)rH r% r rG r )r r s r Ú
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full_scopezScope.full_scopeW s6 ð
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