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authorSerhiy Storchaka <storchaka@gmail.com>2016-12-28 10:04:27 +0200
committerSerhiy Storchaka <storchaka@gmail.com>2016-12-28 10:04:27 +0200
commit49c6ef73739b69babcb3a2070eeda887389693c8 (patch)
tree967a32ce5a07107c1108704272c7a5cc2c1ab65f
parent47d64b02cb84a17ee0e723aef0e2984767d3e670 (diff)
downloadcpython-49c6ef73739b69babcb3a2070eeda887389693c8.tar.gz
Issue #9770: curses.ascii predicates now work correctly with negative integers.
-rw-r--r--Lib/curses/ascii.py18
-rw-r--r--Lib/test/test_curses.py19
-rw-r--r--Misc/NEWS3
3 files changed, 31 insertions, 9 deletions
diff --git a/Lib/curses/ascii.py b/Lib/curses/ascii.py
index 6a466e0078..5b243be681 100644
--- a/Lib/curses/ascii.py
+++ b/Lib/curses/ascii.py
@@ -53,19 +53,19 @@ def _ctoi(c):
def isalnum(c): return isalpha(c) or isdigit(c)
def isalpha(c): return isupper(c) or islower(c)
-def isascii(c): return _ctoi(c) <= 127 # ?
+def isascii(c): return 0 <= _ctoi(c) <= 127 # ?
def isblank(c): return _ctoi(c) in (9, 32)
-def iscntrl(c): return _ctoi(c) <= 31 or _ctoi(c) == 127
-def isdigit(c): return _ctoi(c) >= 48 and _ctoi(c) <= 57
-def isgraph(c): return _ctoi(c) >= 33 and _ctoi(c) <= 126
-def islower(c): return _ctoi(c) >= 97 and _ctoi(c) <= 122
-def isprint(c): return _ctoi(c) >= 32 and _ctoi(c) <= 126
+def iscntrl(c): return 0 <= _ctoi(c) <= 31 or _ctoi(c) == 127
+def isdigit(c): return 48 <= _ctoi(c) <= 57
+def isgraph(c): return 33 <= _ctoi(c) <= 126
+def islower(c): return 97 <= _ctoi(c) <= 122
+def isprint(c): return 32 <= _ctoi(c) <= 126
def ispunct(c): return isgraph(c) and not isalnum(c)
def isspace(c): return _ctoi(c) in (9, 10, 11, 12, 13, 32)
-def isupper(c): return _ctoi(c) >= 65 and _ctoi(c) <= 90
+def isupper(c): return 65 <= _ctoi(c) <= 90
def isxdigit(c): return isdigit(c) or \
- (_ctoi(c) >= 65 and _ctoi(c) <= 70) or (_ctoi(c) >= 97 and _ctoi(c) <= 102)
-def isctrl(c): return _ctoi(c) < 32
+ (65 <= _ctoi(c) <= 70) or (97 <= _ctoi(c) <= 102)
+def isctrl(c): return 0 <= _ctoi(c) < 32
def ismeta(c): return _ctoi(c) > 127
def ascii(c):
diff --git a/Lib/test/test_curses.py b/Lib/test/test_curses.py
index 8a39cd0ae4..be0837fa47 100644
--- a/Lib/test/test_curses.py
+++ b/Lib/test/test_curses.py
@@ -358,6 +358,25 @@ class TestAscii(unittest.TestCase):
check(curses.ascii.ispunct, c in string.punctuation)
check(curses.ascii.isxdigit, c in string.hexdigits)
+ for i in (-2, -1, 256, sys.maxunicode, sys.maxunicode+1):
+ self.assertFalse(curses.ascii.isalnum(i))
+ self.assertFalse(curses.ascii.isalpha(i))
+ self.assertFalse(curses.ascii.isdigit(i))
+ self.assertFalse(curses.ascii.islower(i))
+ self.assertFalse(curses.ascii.isspace(i))
+ self.assertFalse(curses.ascii.isupper(i))
+
+ self.assertFalse(curses.ascii.isascii(i))
+ self.assertFalse(curses.ascii.isctrl(i))
+ self.assertFalse(curses.ascii.iscntrl(i))
+ self.assertFalse(curses.ascii.isblank(i))
+ self.assertFalse(curses.ascii.isgraph(i))
+ self.assertFalse(curses.ascii.isprint(i))
+ self.assertFalse(curses.ascii.ispunct(i))
+ self.assertFalse(curses.ascii.isxdigit(i))
+
+ self.assertFalse(curses.ascii.ismeta(-1))
+
def test_ascii(self):
ascii = curses.ascii.ascii
self.assertEqual(ascii('\xc1'), 'A')
diff --git a/Misc/NEWS b/Misc/NEWS
index 8b9ef48613..839e910ca5 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -15,6 +15,9 @@ Core and Builtins
Library
-------
+- Issue #9770: curses.ascii predicates now work correctly with negative
+ integers.
+
- Issue #28427: old keys should not remove new values from
WeakValueDictionary when collecting from another thread.