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a e�h9) � @ sV U d dl Z d dlZd dlmZmZmZmZmZmZ d dl m Z d dl m Z d dl mZ d dlmZmZmZmZ d dlmZ d dlmZmZ d d lmZ d d lm Z m Z m Z d d l m Z d d l!m"Z# d d l$m%Z% d dl&m'Z' d dl(m)Z)m*Z* d dl+m,Z,m-Z- i a.ee/df e0d< ed�Z1G dd� dee1 �Z2G dd� de2�Z3ddd�e/e/d�dd�Z4dS )� N)�Generic�TypeVar�Union�Dict�Optional�Any)�Path)�is_pypy)�generate_grammar)� split_lines�python_bytes_to_unicode�PythonVersionInfo�parse_version_string)� DiffParser)�tokenize_lines�tokenize)�PythonTokenTypes)� parser_cache� load_module�try_to_save_module)� BaseParser)�Parser)�ErrorFinderConfig)�pep8)�FileIO�KnownContentFileIO)�RefactoringNormalizer�NormalizerConfig�Grammar�_loaded_grammars�_NodeTc @ s� e Zd ZU dZeed< dZee ed< dZ e ed< e � � Z eed< edd�ed�d d �Zd d ddd d ddd �eeef eejef eeejef eed�dd�Zdd� Zdd� Zdd� Zdd� Zd dd�Z d!dd �Z d d � Z dS )"r z� :py:func:`parso.load_grammar` returns instances of this class. Creating custom none-python grammars by calling this is not supported, yet. :param text: A BNF representation of your grammar. �_start_nonterminalN�_error_normalizer_config�_token_namespace�_default_normalizer_config)�parser� diff_parser)�textc C s> t || �� d�| _|| _|| _|| _t�|�d��� � | _ d S )N)Ztoken_namespacezutf-8) r �_get_token_namespace� _pgen_grammar�_parser� _tokenizer� _diff_parser�hashlib�sha256�encode� hexdigest�_hashed)�selfr' � tokenizerr% r& � r4 �}/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/parso/grammar.py�__init__' s �zGrammar.__init__TF)�error_recovery�path� start_symbol�cache� diff_cache� cache_path�file_io)�coder8 r9 r< r= �returnc C s� |du r |du r |du r t d��t|t�r2t|�}t|t�rDt|�}|du rR| j}|rf|dkrftd��|du r�|du r�t|�}n t||�}|r�|jdur�t | j ||d�} | dur�| S |du r�|� � }t |�}t |dd�} |�rr| jdu r�t d��zt| j |j } W n t�y Y nZ0 | j} | j} | | k�r4| S | �| j| j| �j| | d �} t| j || | |�oft |d � | S | �| �}| j| j||d �}|j|d �}|�s�|�r�t| j ||| |�o�t |d � |S ) a� If you want to parse a Python file you want to start here, most likely. If you need finer grained control over the parsed instance, there will be other ways to access it. :param str code: A unicode or bytes string. When it's not possible to decode bytes to a string, returns a :py:class:`UnicodeDecodeError`. :param bool error_recovery: If enabled, any code will be returned. If it is invalid, it will be returned as an error node. If disabled, you will get a ParseError when encountering syntax errors in your code. :param str start_symbol: The grammar rule (nonterminal) that you want to parse. Only allowed to be used when error_recovery is False. :param str path: The path to the file you want to open. Only needed for caching. :param bool cache: Keeps a copy of the parser tree in RAM and on disk if a path is given. Returns the cached trees if the corresponding files on disk have not changed. Note that this stores pickle files on your file system (e.g. for Linux in ``~/.cache/parso/``). :param bool diff_cache: Diffs the cached python module against the new code and tries to parse only the parts that have changed. Returns the same (changed) module that is found in cache. Using this option requires you to not do anything anymore with the cached modules under that path, because the contents of it might change. This option is still somewhat experimental. If you want stability, please don't use it. :param bool cache_path: If given saves the parso cache in this directory. If not given, defaults to the default cache places on each platform. :return: A subclass of :py:class:`parso.tree.NodeOrLeaf`. Typically a :py:class:`parso.python.tree.Module`. Nz%Please provide either code or a path.� file_inputz"This is currently not implemented.)r< T)�keependsz?You have to define a diff parser to be able to use this option.)� old_lines� new_lines)Zpicklingr< )r7 Zstart_nonterminal)�tokens)� TypeError� isinstance�strr r! �NotImplementedErrorr r r8 r r1 �readr r r, r �KeyError�node�linesr) r+ �updater r r* �parse)r2 r> r7 r8 r9 r: r; r< r= Z module_noderL Zmodule_cache_itemrB �new_noderD �pZ root_noder4 r4 r5 rN 1 sr , �� � � �z Grammar.parsec C s | j }|d u rtd��|S )Nz"The token namespace should be set.)r# � ValueError)r2 �nsr4 r4 r5 r( � s z Grammar._get_token_namespacec C s | j du rtd��| �|| j �S )z� Given a :py:class:`parso.tree.NodeOrLeaf` returns a generator of :py:class:`parso.normalizer.Issue` objects. For Python this is a list of syntax/indentation errors. Nz/No error normalizer specified for this grammar.)r" rQ �_get_normalizer_issues)r2 rK r4 r4 r5 � iter_errors� s zGrammar.iter_errorsc C s t |��|�S �N)r �walk)r2 Z base_nodeZnode_to_str_mapr4 r4 r5 �refactor� s zGrammar.refactorc C s( |d u r | j }|d u r td��|�| �S )NzVYou need to specify a normalizer, because there's no default normalizer for this tree.)r$ rQ Zcreate_normalizer)r2 �normalizer_configr4 r4 r5 �_get_normalizer� s zGrammar._get_normalizerc C s | � |�}|�|�S )zs TODO this is not public, yet. The returned code will be normalized, e.g. PEP8 for Python. )rY rV �r2 rK rX Z normalizerr4 r4 r5 � _normalize� s zGrammar._normalizec C s | � |�}|�|� |jS rU )rY rV ZissuesrZ r4 r4 r5 rS � s z Grammar._get_normalizer_issuesc C s6 | j j�� }d�t|�d d� �d }d| jj|f S )N� � z ...z<%s:%s>)r) Znonterminal_to_dfas�keys�join�list� __class__�__name__)r2 Z nonterminals�txtr4 r4 r5 �__repr__� s zGrammar.__repr__)N)N)N) rb � __module__� __qualname__�__doc__rG �__annotations__r" r r r# r r ZPEP8NormalizerConfigr$ r r r6 r �bytes�os�PathLiker r rN r( rT rW rY r[ rS rd r4 r4 r4 r5 r s: �� � t c sB e Zd Ze� ZeZdZee d�� fdd� Z dd� Z dd� Z � Z S ) � PythonGrammarr@ )� version_info�bnf_textc s t � j|| jttd� || _d S )N)r3 r% r& )�superr6 �_tokenize_lines� PythonParserr rm )r2 rm rn �ra r4 r5 r6 � s �zPythonGrammar.__init__c K s t |fd| ji|��S )Nrm )r rm )r2 rL �kwargsr4 r4 r5 rp � s z PythonGrammar._tokenize_linesc C s t || jd�S )N)rm )r rm )r2 r> r4 r4 r5 � _tokenize� s zPythonGrammar._tokenize)rb re rf r r" r r# r! r rG r6 rp rt � __classcell__r4 r4 rr r5 rl � s rl )�versionr8 c C s� t | �}|p$tj�dd|j|jf �}tj�tj�t�|�}z t| W S t y� zLt |��}|� � }W d � n1 s|0 Y t ||�}t� ||�W Y S ty� d|j|jf }t|��Y n0 Y n0 dS )z� Loads a :py:class:`parso.Grammar`. The default version is the current Python version. :param str version: A python version string, e.g. ``version='3.8'``. :param str path: A path to a grammar file �pythonzgrammar%s%s.txtNz0Python version %s.%s is currently not supported.)r rj r8 r_ �major�minor�dirname�__file__r rJ �openrI rl � setdefault�FileNotFoundErrorrH )rv r8 rm �file�frn Zgrammar�messager4 r4 r5 � load_grammar� s& � & �r� )5r- rj �typingr r r r r r �pathlibr Zparso._compatibilityr Z parso.pgen2r Z parso.utilsr r r r Zparso.python.diffr Zparso.python.tokenizer r Zparso.python.tokenr Z parso.cacher r r Z parso.parserr Zparso.python.parserr rq Zparso.python.errorsr Z parso.pythonr Z parso.file_ior r Zparso.normalizerr r r rG rh r r rl r� r4 r4 r4 r5 �<module> s, ;
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