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Editing: namedtype.cpython-38.pyc
U s�Z9@ � @ s� d dl Z d dlmZ d dlmZ d dlmZ ddddgZze W n ek r\ d d � ZY nX G d d� de �Z G d d� de �Z G d d� de �Z G dd� de �Z dS )� N)�error)�tag)�tagmap� NamedType�OptionalNamedType�DefaultedNamedType� NamedTypesc C s t tt | ��S �N)�bool�filter)�x� r �7/usr/lib/python3/dist-packages/pyasn1/type/namedtype.py�<lambda> � r c @ s� e Zd ZdZdZdZd$dd�Zdd� Zdd � Zd d � Z d d � Z dd� Z dd� Z dd� Z dd� Zdd� Zdd� Zedd� �Zed d � �Zed d � �Zd d!� Zd"d#� ZdS )%r a� Create named field object for a constructed ASN.1 type. The |NamedType| object represents a single name and ASN.1 type of a constructed ASN.1 type. |NamedType| objects are immutable and duck-type Python :class:`tuple` objects holding *name* and *asn1Object* components. Parameters ---------- name: :py:class:`str` Field name asn1Object: ASN.1 type object FNc C s || _ || _||f| _|| _d S r )�_NamedType__name�_NamedType__type�_NamedType__nameAndType�_NamedType__openType)�self�name� asn1Object�openTyper r r �__init__* s zNamedType.__init__c C s: d| j | jf }| jr$|d| j 7 }d| jjt| �|f S )Nz%s=%rz openType: %rz<%s object at 0x%x type %s>)r r r � __class__�__name__�id�r Zrepresentationr r r �__repr__0 s zNamedType.__repr__c C s | j |kS r �r �r �otherr r r �__eq__8 s zNamedType.__eq__c C s | j |kS r r r r r r �__ne__; s zNamedType.__ne__c C s | j |k S r r r r r r �__lt__> s zNamedType.__lt__c C s | j |kS r r r r r r �__le__A s zNamedType.__le__c C s | j |kS r r r r r r �__gt__D s zNamedType.__gt__c C s | j |kS r r r r r r �__ge__G s zNamedType.__ge__c C s t | j�S r )�hashr �r r r r �__hash__J s zNamedType.__hash__c C s | j | S r r �r �idxr r r � __getitem__M s zNamedType.__getitem__c C s t | j�S r )�iterr r) r r r �__iter__P s zNamedType.__iter__c C s | j S r )r r) r r r r S s zNamedType.namec C s | j S r )r r) r r r r W s zNamedType.asn1Objectc C s | j S r )r r) r r r r [ s zNamedType.openTypec C s | j S r �r r) r r r �getNamea s zNamedType.getNamec C s | j S r �r r) r r r �getTyped s zNamedType.getType)N)r � __module__� __qualname__�__doc__� isOptional� isDefaultedr r r" r# r$ r% r& r' r* r- r/ �propertyr r r r1 r3 r r r r r s, c @ s e Zd ZejZdZdS )r TN)r r4 r5 r r6 r7 r r r r r h s c @ s e Zd ZejZdZdS )r TN)r r4 r5 r r6 r8 r r r r r n s c @ st e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zejd dkr�d d � Znd d � Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd(d)� ZG d*d+� d+e�Zd,d-� Zd.d/� Z d0d1� Z d2d3� Z d4d5� Z d6d7� Z d8d9� Z!d:d;� Z"d<d=� Z#d>d?� Z$e%d@dA� �Z&dBdC� Z'e%dDdE� �Z(e%dFdG� �Z)e%dHdI� �Z*e%dJdK� �Z+e%dLdM� �Z,e%dNdO� �Z-dPS )Qr a+ Create a collection of named fields for a constructed ASN.1 type. The NamedTypes object represents a collection of named fields of a constructed ASN.1 type. *NamedTypes* objects are immutable and duck-type Python :class:`dict` objects holding *name* as keys and ASN.1 type object as values. Parameters ---------- *namedTypes: :class:`~pyasn1.type.namedtype.NamedType` Examples -------- .. code-block:: python class Description(Sequence): ''' ASN.1 specification: Description ::= SEQUENCE { surname IA5String, first-name IA5String OPTIONAL, age INTEGER DEFAULT 40 } ''' componentType = NamedTypes( NamedType('surname', IA5String()), OptionalNamedType('first-name', IA5String()), DefaultedNamedType('age', Integer(40)) ) descr = Description() descr['surname'] = 'Smith' descr['first-name'] = 'John' c O s� || _ t| j �| _| �� | _| �� | _| �� | _d|kr@| � � pBi | _ | j dd�| _ | j dd�| _ tdd� | j D ��| _tdd� | j D ��| _tdd� t| j �D ��| _td d� | j D ��| _td d� | j D ��| _td d� | j D ��| _d S ) N�terminalT)�uniqueFc S s g | ]}|j s|jrd �qS �T)r8 r7 ��.0� namedTyper r r � <listcomp>� s �z'NamedTypes.__init__.<locals>.<listcomp>c S s g | ]}|j rd �qS r< )r r= r r r r@ � s �c S s g | ]\}}|j s|js|�qS r )r7 r8 )r> r, �ntr r r r@ � s c S s g | ] }|j �qS r r0 r= r r r r@ � s c S s g | ] }|j �qS r r2 r= r r r r@ � s c S s g | ]}|j |jf�qS r )r r r= r r r r@ � s )�_NamedTypes__namedTypes�len�_NamedTypes__namedTypesLen� _NamedTypes__computeMinTagSet�_NamedTypes__minTagSet� _NamedTypes__computeNameToPosMap�_NamedTypes__nameToPosMap� _NamedTypes__computeTagToPosMap�_NamedTypes__tagToPosMap�"_NamedTypes__computeAmbiguousTypes�_NamedTypes__ambiguousTypes�_NamedTypes__computeTagMaps�_NamedTypes__uniqueTagMap� _NamedTypes__nonUniqueTagMap�any�!_NamedTypes__hasOptionalOrDefault�_NamedTypes__hasOpenTypes� frozenset� enumerate� _NamedTypes__requiredComponents�_NamedTypes__keys�tuple�_NamedTypes__values�_NamedTypes__items)r � namedTypes�kwargsr r r r � s �zNamedTypes.__init__c C s, d� dd� | jD ��}d| jjt| �|f S )Nz, c S s g | ] }d | �qS )z%rr �r> r r r r r@ � s z'NamedTypes.__repr__.<locals>.<listcomp>z <%s object at 0x%x types %s>)�joinrB r r r r r r r r � s zNamedTypes.__repr__c C s | j |kS r �rB r r r r r" � s zNamedTypes.__eq__c C s | j |kS r r^ r r r r r# � s zNamedTypes.__ne__c C s | j |k S r r^ r r r r r$ � s zNamedTypes.__lt__c C s | j |kS r r^ r r r r r% � s zNamedTypes.__le__c C s | j |kS r r^ r r r r r& � s zNamedTypes.__gt__c C s | j |kS r r^ r r r r r' � s zNamedTypes.__ge__c C s t | j�S r )r( rB r) r r r r* � s zNamedTypes.__hash__c C s6 z | j | W S tk r0 | j | j| Y S X d S r )rB � TypeErrorrH r+ r r r r- � s zNamedTypes.__getitem__c C s || j kS r )rH )r �keyr r r � __contains__� s zNamedTypes.__contains__c C s dd� | j D �S )Nc s s | ]}|d V qdS )r Nr r\ r r r � <genexpr>� s z&NamedTypes.__iter__.<locals>.<genexpr>r^ r) r r r r/ � s zNamedTypes.__iter__r � c C s | j dkS �Nr �rD r) r r r � __nonzero__� s zNamedTypes.__nonzero__c C s | j dkS rd re r) r r r �__bool__� s zNamedTypes.__bool__c C s | j S r re r) r r r �__len__� s zNamedTypes.__len__c C s | j S r )rX r) r r r �values� s zNamedTypes.valuesc C s | j S r )rV r) r r r �keys� s zNamedTypes.keysc C s | j S r )rY r) r r r �items� s zNamedTypes.itemsc C s | j | j� S r )r rB r) r r r �clone� s zNamedTypes.clonec @ s e Zd Zdd� Zdd� ZdS )zNamedTypes.PostponedErrorc C s || _ d S r )�_PostponedError__errorMsg)r ZerrorMsgr r r r � s z"NamedTypes.PostponedError.__init__c C s t �| j��d S r )r � PyAsn1Errorrm )r �itemr r r r- � s z%NamedTypes.PostponedError.__getitem__N)r r4 r5 r r- r r r r �PostponedError� s rp c C st i }t | j�D ]`\}}|jj}t|tj�r2| S |s8q|jD ].}||krdt�d||f � S |||< q>q|S )Nz Duplicate component tag %s at %s)rT rB r �tagMap� isinstancer rp � presentTypes)r Z tagToPosMapr, r? rq Z_tagSetr r r Z__computeTagToPosMap� s z NamedTypes.__computeTagToPosMapc C sH i }t | j�D ]4\}}|j|kr8t�d|j|f � S |||j< q|S )Nz!Duplicate component name %s at %s)rT rB r r rp )r Z nameToPosMapr, r? r r r Z__computeNameToPosMap s z NamedTypes.__computeNameToPosMapc C sv i }d}t tt| j���D ]V\}}|js.|jr:|f| }n|f}t|�t| j�kr\| ||< qt|tdd��||< q|S )Nr T)r: ) �reversedrW rT rB r7 r8 rC r �dict)r ZambigiousTypesZpartialAmbigiousTypesr, r? r r r Z__computeAmbiguousTypes s z"NamedTypes.__computeAmbiguousTypesc C s2 z| j | jW S tk r, t�d��Y nX dS )a_ Return ASN.1 type object by its position in fields set. Parameters ---------- idx: :py:class:`int` Field index Returns ------- : ASN.1 type Raises ------ : :class:`~pyasn1.error.PyAsn1Error` If given position is out of fields range �Type position out of rangeN)rB r � IndexErrorr rn r+ r r r �getTypeByPosition s z NamedTypes.getTypeByPositionc C s6 z | j | W S tk r0 t�d|f ��Y nX dS )a� Return field position by its ASN.1 type. Parameters ---------- tagSet: :class:`~pysnmp.type.tag.TagSet` ASN.1 tag set distinguishing one ASN.1 type from others. Returns ------- : :py:class:`int` ASN.1 type position in fields set Raises ------ : :class:`~pyasn1.error.PyAsn1Error` If *tagSet* is not present or ASN.1 types are not unique within callee *NamedTypes* zType %s not foundN)rJ �KeyErrorr rn )r �tagSetr r r �getPositionByType1 s z NamedTypes.getPositionByTypec C s2 z| j | jW S tk r, t�d��Y nX dS )ay Return field name by its position in fields set. Parameters ---------- idx: :py:class:`idx` Field index Returns ------- : :py:class:`str` Field name Raises ------ : :class:`~pyasn1.error.PyAsn1Error` If given field name is not present in callee *NamedTypes* rv N)rB r rw r rn r+ r r r �getNameByPositionI s z NamedTypes.getNameByPositionc C s6 z | j | W S tk r0 t�d|f ��Y nX dS )a� Return field position by filed name. Parameters ---------- name: :py:class:`str` Field name Returns ------- : :py:class:`int` Field position in fields set Raises ------ : :class:`~pyasn1.error.PyAsn1Error` If *name* is not present or not unique within callee *NamedTypes* zName %s not foundN)rH ry r rn )r r r r r �getPositionByNamea s z NamedTypes.getPositionByNamec C s2 z| j | jW S tk r, t�d��Y nX dS )a� Return ASN.1 types that are allowed at or past given field position. Some ASN.1 serialisation allow for skipping optional and defaulted fields. Some constructed ASN.1 types allow reordering of the fields. When recovering such objects it may be important to know which types can possibly be present at any given position in the field sets. Parameters ---------- idx: :py:class:`int` Field index Returns ------- : :class:`~pyasn1.type.tagmap.TagMap` Map if ASN.1 types allowed at given field position Raises ------ : :class:`~pyasn1.error.PyAsn1Error` If given position is out of fields range rv N)rL rq ry r rn r+ r r r �getTagMapNearPositiony s z NamedTypes.getTagMapNearPositionc C s: z|| j | �|� W S tk r4 t�d��Y nX dS )a� Return the closest field position where given ASN.1 type is allowed. Some ASN.1 serialisation allow for skipping optional and defaulted fields. Some constructed ASN.1 types allow reordering of the fields. When recovering such objects it may be important to know at which field position, in field set, given *tagSet* is allowed at or past *idx* position. Parameters ---------- tagSet: :class:`~pyasn1.type.tag.TagSet` ASN.1 type which field position to look up idx: :py:class:`int` Field position at or past which to perform ASN.1 type look up Returns ------- : :py:class:`int` Field position in fields set Raises ------ : :class:`~pyasn1.error.PyAsn1Error` If *tagSet* is not present or not unique within callee *NamedTypes* or *idx* is out of fields range rv N)rL r{ ry r rn )r rz r, r r r �getPositionNearType� s z NamedTypes.getPositionNearTypec C s\ d }| j D ]D}|j}z |j}W n tk r8 |j}Y nX |d ksJ||k r |}q |pZt�� S r )rB r � minTagSet�AttributeErrorrz r ZTagSet)r r� r? r rz r r r Z__computeMinTagSet� s z NamedTypes.__computeMinTagSetc C s | j S )a� Return the minimal TagSet among ASN.1 type in callee *NamedTypes*. Some ASN.1 types/serialisation protocols require ASN.1 types to be arranged based on their numerical tag value. The *minTagSet* property returns that. Returns ------- : :class:`~pyasn1.type.tagset.TagSet` Minimal TagSet among ASN.1 types in callee *NamedTypes* )rF r) r r r r� � s zNamedTypes.minTagSetc C s� i }i }d }| j D ]�}|jj}t|tj�r2| S |D ]6}|rb||krbt�d||| f � S |j||< q6|�|j� |d kr�|j}q|jd k rt�d| f � S qt � |||�S )Nz Non-unique tagSet %s of %s at %sz"Duplicate default ASN.1 type at %s) rB r rq rr r rp �update� skipTypes� defaultTyper ZTagMap)r r; rs r� r� r? rq rz r r r Z__computeTagMaps� s" zNamedTypes.__computeTagMapsc C s | j S )a Return a *TagMap* object from tags and types recursively. Return a :class:`~pyasn1.type.tagmap.TagMap` object by combining tags from *TagMap* objects of children types and associating them with their immediate child type. Example ------- .. code-block:: python OuterType ::= CHOICE { innerType INTEGER } Calling *.tagMap* on *OuterType* will yield a map like this: .. code-block:: python Integer.tagSet -> Choice )rO r) r r r rq � s zNamedTypes.tagMapc C s | j S )a� Return a *TagMap* object from unique tags and types recursively. Return a :class:`~pyasn1.type.tagmap.TagMap` object by combining tags from *TagMap* objects of children types and associating them with their immediate child type. Example ------- .. code-block:: python OuterType ::= CHOICE { innerType INTEGER } Calling *.tagMapUnique* on *OuterType* will yield a map like this: .. code-block:: python Integer.tagSet -> Choice Note ---- Duplicate *TagSet* objects found in the tree of children types would cause error. )rN r) r r r � tagMapUnique s zNamedTypes.tagMapUniquec C s | j S r )rQ r) r r r �hasOptionalOrDefault! s z NamedTypes.hasOptionalOrDefaultc C s | j S r )rR r) r r r � hasOpenTypes% s zNamedTypes.hasOpenTypesc C s t | j�S r )rW rB r) r r r rZ ) s zNamedTypes.namedTypesc C s | j S r )rU r) r r r �requiredComponents- s z NamedTypes.requiredComponentsN).r r4 r5 r6 r r r" r# r$ r% r& r' r* r- ra r/ �sys� version_inforf rg rh ri rj rk rl �objectrp rI rG rK rx r{ r| r} r~ r rE r9 r� rM rq r� r� r� rZ r� r r r r r t s^ $ ! )r� Zpyasn1r Z pyasn1.typer r �__all__rP � NameErrorr� r r r r r r r r �<module> s �Q
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