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[config.git] / djavu-asus / elpy / rpc-venv / lib / python3.11 / site-packages / parso / __init__.py

r"""
Parso is a Python parser that supports error recovery and round-trip parsing
for different Python versions (in multiple Python versions). Parso is also able
to list multiple syntax errors in your python file.

Parso has been battle-tested by jedi_. It was pulled out of jedi to be useful
for other projects as well.

Parso consists of a small API to parse Python and analyse the syntax tree.

.. _jedi: https://github.com/davidhalter/jedi

A simple example:

>>> import parso
>>> module = parso.parse('hello + 1', version="3.9")
>>> expr = module.children[0]
>>> expr
PythonNode(arith_expr, [<Name: hello@1,0>, <Operator: +>, <Number: 1>])
>>> print(expr.get_code())
hello + 1
>>> name = expr.children[0]
>>> name
<Name: hello@1,0>
>>> name.end_pos
(1, 5)
>>> expr.end_pos
(1, 9)

To list multiple issues:

>>> grammar = parso.load_grammar()
>>> module = grammar.parse('foo +\nbar\ncontinue')
>>> error1, error2 = grammar.iter_errors(module)
>>> error1.message
'SyntaxError: invalid syntax'
>>> error2.message
"SyntaxError: 'continue' not properly in loop"
"""

from parso.parser import ParserSyntaxError
from parso.grammar import Grammar, load_grammar
from parso.utils import split_lines, python_bytes_to_unicode


__version__ = '0.8.3'


def parse(code=None, **kwargs):
    """
    A utility function to avoid loading grammars.
    Params are documented in :py:meth:`parso.Grammar.parse`.

    :param str version: The version used by :py:func:`parso.load_grammar`.
    """
    version = kwargs.pop('version', None)
    grammar = load_grammar(version=version)
    return grammar.parse(code, **kwargs)