diff env/lib/python3.7/site-packages/libfuturize/fixes/fix_print.py @ 5:9b1c78e6ba9c draft default tip

"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"
author shellac
date Mon, 01 Jun 2020 08:59:25 -0400
parents 79f47841a781
children
line wrap: on
line diff
--- 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)