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pygram.py

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

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docroot: /home/induvedam/public_html

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curdir: /opt/alt/python37/lib64/python3.7/lib2to3

	.		4096
	..		8192
X	Grammar.txt		6704
X	Grammar3.7.17.final.0.pickle		32572
X	PatternGrammar.txt		793
X	PatternGrammar3.7.17.final.0.pickle		2093
X	__init__.py		7
X	__main__.py		67
	__pycache__		4096
X	btm_matcher.py		6623
X	btm_utils.py		9966
X	fixer_base.py		6690
X	fixer_util.py		15207
	fixes		4096
X	main.py		11684
X	patcomp.py		7054
	pgen2		179
X	pygram.py		1154
X	pytree.py		27960
X	refactor.py		27399