Issue #15340: Fix importing the random module when /dev/urandom cannot be opened.

This was a regression caused by the hash randomization patch.

diff --git a/Misc/NEWS b/Misc/NEWS
index a1d35a4f1d323423edaf0beadc595d1ae7851e04..065f5f61a495f619c9820fa3050fae59328359d2 100644 (file)
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -120,6 +120,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #15340: Fix importing the random module when /dev/urandom cannot
+  be opened.  This was a regression caused by the hash randomization patch.
+
 - Issue #15841: The readable(), writable() and seekable() methods of BytesIO
   and StringIO objects now raise ValueError when the object has been closed.
   Patch by Alessandro Moura.

diff --git a/Python/random.c b/Python/random.c
index a2ae002261acdc5875b47d8193ed8bd7a628821f..825260f36b2ad80aa1998125f8dd41da711e4c34 100644 (file)
--- a/Python/random.c
+++ b/Python/random.c
@@ -165,7 +165,8 @@ dev_urandom_python(char *buffer, Py_ssize_t size)
     Py_END_ALLOW_THREADS
     if (fd < 0)
     {
-        PyErr_SetFromErrnoWithFilename(PyExc_OSError, "/dev/urandom");
+        PyErr_SetString(PyExc_NotImplementedError,
+                        "/dev/urandom (or equivalent) not found");
         return -1;
     }