Author: Ronan Lamy <[email protected]>
Branch: py3.7
Changeset: r97358:f765d10dbfa2
Date: 2019-09-01 00:30 +0100
http://bitbucket.org/pypy/pypy/changeset/f765d10dbfa2/
Log: Implement str.isascii
diff --git a/pypy/objspace/std/test/test_unicodeobject.py
b/pypy/objspace/std/test/test_unicodeobject.py
--- a/pypy/objspace/std/test/test_unicodeobject.py
+++ b/pypy/objspace/std/test/test_unicodeobject.py
@@ -355,6 +355,12 @@
# single surrogate character
assert not "\ud800".isprintable()
+ def test_isascii(self):
+ assert "".isascii()
+ assert "abcdefg\t".isascii()
+ assert not "abc\u0374".isascii()
+ assert not "\ud800abc".isascii()
+
@py.test.mark.skipif("not config.option.runappdirect and sys.maxunicode ==
0xffff")
def test_isprintable_wide(self):
assert '\U0001F46F'.isprintable() # Since unicode 6.0
diff --git a/pypy/objspace/std/unicodeobject.py
b/pypy/objspace/std/unicodeobject.py
--- a/pypy/objspace/std/unicodeobject.py
+++ b/pypy/objspace/std/unicodeobject.py
@@ -1035,6 +1035,9 @@
def is_ascii(self):
return self._length == len(self._utf8)
+ def descr_isascii(self, space):
+ return space.newbool(self.is_ascii())
+
def _index_to_byte(self, index):
if self.is_ascii():
assert index >= 0
@@ -1506,6 +1509,13 @@
and there is at least one character in S, False otherwise.
"""
+ def isascii():
+ """Return True if all characters in the string are ASCII, False
otherwise.
+
+ ASCII characters have code points in the range U+0000-U+007F.
+ Empty string is ASCII too.
+ """
+
def casefold():
"""S.casefold() -> str
@@ -1824,6 +1834,8 @@
doc=UnicodeDocstrings.isalnum.__doc__),
isalpha = interp2app(W_UnicodeObject.descr_isalpha,
doc=UnicodeDocstrings.isalpha.__doc__),
+ isascii = interp2app(W_UnicodeObject.descr_isascii,
+ doc=UnicodeDocstrings.isascii.__doc__),
isdecimal = interp2app(W_UnicodeObject.descr_isdecimal,
doc=UnicodeDocstrings.isdecimal.__doc__),
isdigit = interp2app(W_UnicodeObject.descr_isdigit,
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