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PATH: opt / bitninja-python-dojo / embedded / lib / python3.9 / lib2to3

# Copyright 2006 Google, Inc. All Rights Reserved.
# Licensed to PSF under a Contributor Agreement.

"""Export the Python grammar and symbols."""

# Python imports
import os

# Local imports
from .pgen2 import token
from .pgen2 import driver
from . import pytree

# The grammar file
_GRAMMAR_FILE = os.path.join(os.path.dirname(__file__), "Grammar.txt")
_PATTERN_GRAMMAR_FILE = os.path.join(os.path.dirname(__file__),
                                     "PatternGrammar.txt")

class Symbols(object):

def __init__(self, grammar):
        """Initializer.

Creates an attribute for each grammar symbol (nonterminal),
        whose value is the symbol's type (an int >= 256).
        """
        for name, symbol in grammar.symbol2number.items():
            setattr(self, name, symbol)

python_grammar = driver.load_packaged_grammar("lib2to3", _GRAMMAR_FILE)

python_symbols = Symbols(python_grammar)

python_grammar_no_print_statement = python_grammar.copy()
del python_grammar_no_print_statement.keywords["print"]

python_grammar_no_print_and_exec_statement = python_grammar_no_print_statement.copy()
del python_grammar_no_print_and_exec_statement.keywords["exec"]

pattern_grammar = driver.load_packaged_grammar("lib2to3", _PATTERN_GRAMMAR_FILE)
pattern_symbols = Symbols(pattern_grammar)

[-] PatternGrammar3.9.9.final.0.pickle [edit]
[-] fixer_util.py [edit]
[+] ..
[-] btm_utils.py [edit]
[-] Grammar3.9.9.final.0.pickle [edit]
[-] btm_matcher.py [edit]
[+] tests
[-] __main__.py [edit]
[-] fixer_base.py [edit]
[-] pytree.py [edit]
[-] Grammar.txt [edit]
[-] PatternGrammar.txt [edit]
[-] pygram.py [edit]
[+] __pycache__
[-] main.py [edit]
[-] refactor.py [edit]
[-] __init__.py [edit]
[+] pgen2
[+] fixes
[-] patcomp.py [edit]