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?? ..
?? Grammar.txt(6.93 KB)
?? Grammar2.7.18.final.0.pickle(39.54 KB)
?? PatternGrammar.txt(793 B)
?? PatternGrammar2.7.18.final.0.pickle(2.73 KB)
?? __init__.py(7 B)
?? __init__.pyc(127 B)
?? __init__.pyo(127 B)
?? __main__.py(67 B)
?? __main__.pyc(242 B)
?? __main__.pyo(242 B)
?? btm_matcher.py(6.67 KB)
?? btm_matcher.pyc(5.69 KB)
?? btm_matcher.pyo(5.69 KB)
?? btm_utils.py(9.78 KB)
?? btm_utils.pyc(7.39 KB)
?? btm_utils.pyo(7.39 KB)
?? fixer_base.py(6.62 KB)
?? fixer_base.pyc(7.02 KB)
?? fixer_base.pyo(7.02 KB)
?? fixer_util.py(14.25 KB)
?? fixer_util.pyc(14.34 KB)
?? fixer_util.pyo(14.34 KB)
?? fixes
?? main.py(11.33 KB)
?? main.pyc(9.6 KB)
?? main.pyo(9.56 KB)
?? patcomp.py(6.9 KB)
?? patcomp.pyc(6.45 KB)
?? patcomp.pyo(6.14 KB)
?? pgen2
?? pygram.py(1.13 KB)
?? pygram.pyc(1.41 KB)
?? pygram.pyo(1.41 KB)
?? pytree.py(28.36 KB)
?? pytree.pyc(29.59 KB)
?? pytree.pyo(28.73 KB)
?? refactor.py(27.37 KB)
?? refactor.pyc(23.35 KB)
?? refactor.pyo(23.31 KB)

Editing: 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.iteritems():
            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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Editing: pygram.py

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