diff options
Diffstat (limited to 'Lib/lib2to3/refactor.py')
-rw-r--r-- | Lib/lib2to3/refactor.py | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/Lib/lib2to3/refactor.py b/Lib/lib2to3/refactor.py index 5edf584..8bd61ad 100644 --- a/Lib/lib2to3/refactor.py +++ b/Lib/lib2to3/refactor.py @@ -18,7 +18,6 @@ import logging import operator import collections import io -import warnings from itertools import chain # Local imports @@ -139,26 +138,23 @@ def _detect_future_print(source): if have_docstring: break have_docstring = True - elif tp == token.NAME: - if value == "from": + elif tp == token.NAME and value == "from": + tp, value = advance() + if tp != token.NAME and value != "__future__": + break + tp, value = advance() + if tp != token.NAME and value != "import": + break + tp, value = advance() + if tp == token.OP and value == "(": tp, value = advance() - if tp != token.NAME and value != "__future__": - break + while tp == token.NAME: + if value == "print_function": + return True tp, value = advance() - if tp != token.NAME and value != "import": + if tp != token.OP and value != ",": break tp, value = advance() - if tp == token.OP and value == "(": - tp, value = advance() - while tp == token.NAME: - if value == "print_function": - return True - tp, value = advance() - if tp != token.OP and value != ",": - break - tp, value = advance() - else: - break else: break except StopIteration: @@ -172,7 +168,7 @@ class FixerError(Exception): class RefactoringTool(object): - _default_options = {} + _default_options = {"print_function" : False} CLASS_PREFIX = "Fix" # The prefix for fixer classes FILE_PREFIX = "fix_" # The prefix for modules with a fixer within @@ -189,15 +185,16 @@ class RefactoringTool(object): self.explicit = explicit or [] self.options = self._default_options.copy() if options is not None: - if "print_function" in options: - warnings.warn("the 'print_function' option is deprecated", - DeprecationWarning) self.options.update(options) + if self.options["print_function"]: + self.grammar = pygram.python_grammar_no_print_statement + else: + self.grammar = pygram.python_grammar self.errors = [] self.logger = logging.getLogger("RefactoringTool") self.fixer_log = [] self.wrote = False - self.driver = driver.Driver(pygram.python_grammar, + self.driver = driver.Driver(self.grammar, convert=pytree.convert, logger=self.logger) self.pre_order, self.post_order = self.get_fixers() @@ -353,7 +350,7 @@ class RefactoringTool(object): name, err.__class__.__name__, err) return finally: - self.driver.grammar = pygram.python_grammar + self.driver.grammar = self.grammar self.log_debug("Refactoring %s", name) self.refactor_tree(tree, name) return tree |