[Python-checkins] (2.7): transform izip_longest #11424
benjamin.peterson
python-checkins at python.org
Tue Mar 8 05:57:19 CET 2011
http://hg.python.org/cpython/rev/770d45d22a40
changeset: 68327:770d45d22a40
branch: 2.7
parent: 68321:d9cc58f93d72
user: Benjamin Peterson <benjamin at python.org>
date: Mon Mar 07 22:50:37 2011 -0600
summary:
transform izip_longest #11424
files:
Lib/lib2to3/fixes/fix_itertools.py
Lib/lib2to3/fixes/fix_itertools_imports.py
Lib/lib2to3/tests/test_fixers.py
diff --git a/Lib/lib2to3/fixes/fix_itertools.py b/Lib/lib2to3/fixes/fix_itertools.py
--- a/Lib/lib2to3/fixes/fix_itertools.py
+++ b/Lib/lib2to3/fixes/fix_itertools.py
@@ -13,7 +13,7 @@
class FixItertools(fixer_base.BaseFix):
BM_compatible = True
- it_funcs = "('imap'|'ifilter'|'izip'|'ifilterfalse')"
+ it_funcs = "('imap'|'ifilter'|'izip'|'izip_longest'|'ifilterfalse')"
PATTERN = """
power< it='itertools'
trailer<
@@ -28,7 +28,8 @@
def transform(self, node, results):
prefix = None
func = results['func'][0]
- if 'it' in results and func.value != u'ifilterfalse':
+ if ('it' in results and
+ func.value not in (u'ifilterfalse', u'izip_longest')):
dot, it = (results['dot'], results['it'])
# Remove the 'itertools'
prefix = it.prefix
diff --git a/Lib/lib2to3/fixes/fix_itertools_imports.py b/Lib/lib2to3/fixes/fix_itertools_imports.py
--- a/Lib/lib2to3/fixes/fix_itertools_imports.py
+++ b/Lib/lib2to3/fixes/fix_itertools_imports.py
@@ -31,9 +31,10 @@
if member_name in (u'imap', u'izip', u'ifilter'):
child.value = None
child.remove()
- elif member_name == u'ifilterfalse':
+ elif member_name in (u'ifilterfalse', u'izip_longest'):
node.changed()
- name_node.value = u'filterfalse'
+ name_node.value = (u'filterfalse' if member_name[1] == u'f'
+ else u'zip_longest')
# Make sure the import statement is still sane
children = imports.children[:] or [imports]
diff --git a/Lib/lib2to3/tests/test_fixers.py b/Lib/lib2to3/tests/test_fixers.py
--- a/Lib/lib2to3/tests/test_fixers.py
+++ b/Lib/lib2to3/tests/test_fixers.py
@@ -3623,16 +3623,24 @@
a = """%s(f, a)"""
self.checkall(b, a)
- def test_2(self):
+ def test_qualified(self):
b = """itertools.ifilterfalse(a, b)"""
a = """itertools.filterfalse(a, b)"""
self.check(b, a)
- def test_4(self):
+ b = """itertools.izip_longest(a, b)"""
+ a = """itertools.zip_longest(a, b)"""
+ self.check(b, a)
+
+ def test_2(self):
b = """ifilterfalse(a, b)"""
a = """filterfalse(a, b)"""
self.check(b, a)
+ b = """izip_longest(a, b)"""
+ a = """zip_longest(a, b)"""
+ self.check(b, a)
+
def test_space_1(self):
b = """ %s(f, a)"""
a = """ %s(f, a)"""
@@ -3643,9 +3651,14 @@
a = """ itertools.filterfalse(a, b)"""
self.check(b, a)
+ b = """ itertools.izip_longest(a, b)"""
+ a = """ itertools.zip_longest(a, b)"""
+ self.check(b, a)
+
def test_run_order(self):
self.assert_runs_after('map', 'zip', 'filter')
+
class Test_itertools_imports(FixerTestCase):
fixer = 'itertools_imports'
@@ -3696,18 +3709,19 @@
s = "from itertools import bar as bang"
self.unchanged(s)
- def test_ifilter(self):
- b = "from itertools import ifilterfalse"
- a = "from itertools import filterfalse"
- self.check(b, a)
-
- b = "from itertools import imap, ifilterfalse, foo"
- a = "from itertools import filterfalse, foo"
- self.check(b, a)
-
- b = "from itertools import bar, ifilterfalse, foo"
- a = "from itertools import bar, filterfalse, foo"
- self.check(b, a)
+ def test_ifilter_and_zip_longest(self):
+ for name in "filterfalse", "zip_longest":
+ b = "from itertools import i%s" % (name,)
+ a = "from itertools import %s" % (name,)
+ self.check(b, a)
+
+ b = "from itertools import imap, i%s, foo" % (name,)
+ a = "from itertools import %s, foo" % (name,)
+ self.check(b, a)
+
+ b = "from itertools import bar, i%s, foo" % (name,)
+ a = "from itertools import bar, %s, foo" % (name,)
+ self.check(b, a)
def test_import_star(self):
s = "from itertools import *"
--
Repository URL: http://hg.python.org/cpython
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