[Python-checkins] cpython (3.5): Closes #21999: Handled empty strings correctly when in POSIX mode.
vinay.sajip
python-checkins at python.org
Tue Aug 9 10:07:16 EDT 2016
https://hg.python.org/cpython/rev/4f02ad46a0a8
changeset: 102579:4f02ad46a0a8
branch: 3.5
parent: 102572:87e3a58ed3c3
user: Vinay Sajip <vinay_sajip at yahoo.co.uk>
date: Tue Aug 09 15:04:49 2016 +0100
summary:
Closes #21999: Handled empty strings correctly when in POSIX mode.
files:
Lib/shlex.py | 2 +-
Lib/test/test_shlex.py | 12 ++++++++++++
2 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/Lib/shlex.py b/Lib/shlex.py
--- a/Lib/shlex.py
+++ b/Lib/shlex.py
@@ -224,7 +224,7 @@
if self.debug >= 2:
print("shlex: I see punctuation in word state")
self.state = ' '
- if self.token:
+ if self.token or (self.posix and quoted):
break # emit current token
else:
continue
diff --git a/Lib/test/test_shlex.py b/Lib/test/test_shlex.py
--- a/Lib/test/test_shlex.py
+++ b/Lib/test/test_shlex.py
@@ -173,6 +173,18 @@
"%s: %s != %s" %
(self.data[i][0], l, self.data[i][1:]))
+ def testEmptyStringHandling(self):
+ """Test that parsing of empty strings is correctly handled."""
+ # see Issue #21999
+ expected = ['', ')', 'abc']
+
+ s = shlex.shlex("'')abc", posix=True)
+ slist = list(s)
+ self.assertEqual(slist, expected)
+ expected = ["''", ')', 'abc']
+ s = shlex.shlex("'')abc")
+ self.assertEqual(list(s), expected)
+
def testQuote(self):
safeunquoted = string.ascii_letters + string.digits + '@%_-+=:,./'
unicode_sample = '\xe9\xe0\xdf' # e + acute accent, a + grave, sharp s
--
Repository URL: https://hg.python.org/cpython
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