changeset:   100123:35bf4f9e68f3
branch:      3.5
parent:      100120:a1044c05a6dc
user:        Berker Peksag <berker.peksag@gmail.com>
date:        Sat Jan 30 17:50:48 2016 +0200
files:       Lib/pathlib.py Lib/test/test_pathlib.py Misc/ACKS Misc/NEWS
description:
Issue #23076: Path.glob() now raises a ValueError if it's called with an
invalid pattern.

Patch by Thomas Nyberg.


diff -r a1044c05a6dc -r 35bf4f9e68f3 Lib/pathlib.py
--- a/Lib/pathlib.py	Sat Jan 30 12:24:31 2016 +0200
+++ b/Lib/pathlib.py	Sat Jan 30 17:50:48 2016 +0200
@@ -1065,6 +1065,8 @@
         """Iterate over this subtree and yield all existing files (of any
         kind, including directories) matching the given pattern.
         """
+        if not pattern:
+            raise ValueError("Unacceptable pattern: {!r}".format(pattern))
         pattern = self._flavour.casefold(pattern)
         drv, root, pattern_parts = self._flavour.parse_parts((pattern,))
         if drv or root:
diff -r a1044c05a6dc -r 35bf4f9e68f3 Lib/test/test_pathlib.py
--- a/Lib/test/test_pathlib.py	Sat Jan 30 12:24:31 2016 +0200
+++ b/Lib/test/test_pathlib.py	Sat Jan 30 17:50:48 2016 +0200
@@ -1969,6 +1969,11 @@
         else:
             self.assertRaises(NotImplementedError, pathlib.WindowsPath)
 
+    def test_glob_empty_pattern(self):
+        p = self.cls()
+        with self.assertRaisesRegex(ValueError, 'Unacceptable pattern'):
+            list(p.glob(''))
+
 
 @only_posix
 class PosixPathTest(_BasePathTest, unittest.TestCase):
diff -r a1044c05a6dc -r 35bf4f9e68f3 Misc/ACKS
--- a/Misc/ACKS	Sat Jan 30 12:24:31 2016 +0200
+++ b/Misc/ACKS	Sat Jan 30 17:50:48 2016 +0200
@@ -1038,6 +1038,7 @@
 Mikhail Novikov
 Michal Nowikowski
 Steffen Daode Nurpmeso
+Thomas Nyberg
 Nigel O'Brian
 John O'Connor
 Kevin O'Connor
diff -r a1044c05a6dc -r 35bf4f9e68f3 Misc/NEWS
--- a/Misc/NEWS	Sat Jan 30 12:24:31 2016 +0200
+++ b/Misc/NEWS	Sat Jan 30 17:50:48 2016 +0200
@@ -73,6 +73,9 @@
 - Issue #26202: copy.deepcopy() now correctly copies range() objects with
   non-atomic attributes.
 
+- Issue #23076: Path.glob() now raises a ValueError if it's called with an
+  invalid pattern.  Patch by Thomas Nyberg.
+
 - Issue #19883: Fixed possible integer overflows in zipimport.
 
 - Issue #26227: On Windows, getnameinfo(), gethostbyaddr() and