Mercurial > repos > shellac > guppy_basecaller
diff env/lib/python3.7/site-packages/libfuturize/fixes/fix_print.py @ 5:9b1c78e6ba9c draft default tip
"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"
author | shellac |
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date | Mon, 01 Jun 2020 08:59:25 -0400 |
parents | 79f47841a781 |
children |
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--- a/env/lib/python3.7/site-packages/libfuturize/fixes/fix_print.py Thu May 14 16:47:39 2020 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,94 +0,0 @@ -# Copyright 2006 Google, Inc. All Rights Reserved. -# Licensed to PSF under a Contributor Agreement. - -"""Fixer for print. - -Change: - "print" into "print()" - "print ..." into "print(...)" - "print(...)" not changed - "print ... ," into "print(..., end=' ')" - "print >>x, ..." into "print(..., file=x)" - -No changes are applied if print_function is imported from __future__ - -""" - -# Local imports -from lib2to3 import patcomp, pytree, fixer_base -from lib2to3.pgen2 import token -from lib2to3.fixer_util import Name, Call, Comma, String -# from libmodernize import add_future - -parend_expr = patcomp.compile_pattern( - """atom< '(' [arith_expr|atom|power|term|STRING|NAME] ')' >""" - ) - - -class FixPrint(fixer_base.BaseFix): - - BM_compatible = True - - PATTERN = """ - simple_stmt< any* bare='print' any* > | print_stmt - """ - - def transform(self, node, results): - assert results - - bare_print = results.get("bare") - - if bare_print: - # Special-case print all by itself. - bare_print.replace(Call(Name(u"print"), [], - prefix=bare_print.prefix)) - # The "from __future__ import print_function"" declaration is added - # by the fix_print_with_import fixer, so we skip it here. - # add_future(node, u'print_function') - return - assert node.children[0] == Name(u"print") - args = node.children[1:] - if len(args) == 1 and parend_expr.match(args[0]): - # We don't want to keep sticking parens around an - # already-parenthesised expression. - return - - sep = end = file = None - if args and args[-1] == Comma(): - args = args[:-1] - end = " " - if args and args[0] == pytree.Leaf(token.RIGHTSHIFT, u">>"): - assert len(args) >= 2 - file = args[1].clone() - args = args[3:] # Strip a possible comma after the file expression - # Now synthesize a print(args, sep=..., end=..., file=...) node. - l_args = [arg.clone() for arg in args] - if l_args: - l_args[0].prefix = u"" - if sep is not None or end is not None or file is not None: - if sep is not None: - self.add_kwarg(l_args, u"sep", String(repr(sep))) - if end is not None: - self.add_kwarg(l_args, u"end", String(repr(end))) - if file is not None: - self.add_kwarg(l_args, u"file", file) - n_stmt = Call(Name(u"print"), l_args) - n_stmt.prefix = node.prefix - - # Note that there are corner cases where adding this future-import is - # incorrect, for example when the file also has a 'print ()' statement - # that was intended to print "()". - # add_future(node, u'print_function') - return n_stmt - - def add_kwarg(self, l_nodes, s_kwd, n_expr): - # XXX All this prefix-setting may lose comments (though rarely) - n_expr.prefix = u"" - n_argument = pytree.Node(self.syms.argument, - (Name(s_kwd), - pytree.Leaf(token.EQUAL, u"="), - n_expr)) - if l_nodes: - l_nodes.append(Comma()) - n_argument.prefix = u" " - l_nodes.append(n_argument)