Following an idea by Ron Adam, make sure keys and values in the
environ dict are strings (in particular, not 8-bit strings).
diff --git a/Lib/os.py b/Lib/os.py
index e47ec99..2987cfc 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -420,12 +420,12 @@
self.unsetenv = unsetenv
self.data = data = {}
for key, value in environ.items():
- data[keymap(key)] = value
+ data[keymap(key)] = str(value)
def __getitem__(self, key):
return self.data[self.keymap(key)]
- def __setitem__(self, key, item):
- self.putenv(key, item)
- self.data[self.keymap(key)] = item
+ def __setitem__(self, key, value):
+ self.putenv(key, str(value))
+ self.data[self.keymap(key)] = str(value)
def __delitem__(self, key):
self.unsetenv(key)
del self.data[self.keymap(key)]
@@ -438,7 +438,7 @@
return dict(self)
def setdefault(self, key, value):
if key not in self:
- self[key] = value
+ self[key] = str(value)
return self[key]
try:
@@ -456,9 +456,9 @@
__all__.append("unsetenv")
if name in ('os2', 'nt'): # Where Env Var Names Must Be UPPERCASE
- _keymap = lambda key: key.upper()
+ _keymap = lambda key: str(key.upper())
else: # Where Env Var Names Can Be Mixed Case
- _keymap = lambda key: key
+ _keymap = lambda key: str(key)
environ = _Environ(environ, _keymap, _putenv, _unsetenv)
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 2ddda8a..1f6499c 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -273,6 +273,13 @@
value = os.popen("/bin/sh -c 'echo $HELLO'").read().strip()
self.assertEquals(value, "World")
+ # Verify environ keys and values from the OS are of the
+ # correct str type.
+ def test_keyvalue_types(self):
+ for key, val in os.environ.items():
+ self.assertEquals(type(key), str)
+ self.assertEquals(type(val), str)
+
class WalkTests(unittest.TestCase):
"""Tests for os.walk()."""