1 files changed, 48 insertions, 0 deletions
diff --git a/src/zope/tal/setpath.py b/src/zope/tal/setpath.py
new file mode 100644
index 0000000..18eced9
--- /dev/null
+++ b/src/zope/tal/setpath.py
@@ -0,0 +1,48 @@
+##############################################################################
+#
+# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""Read a module search path from .path file.
+
+If .path file isn't found in the directory of the setpath.py module, then try
+to import ZODB.  If that succeeds, we assume the path is already set up
+correctly.  If that import fails, an IOError is raised.
+
+$Id$
+"""
+
+# TODO: Why does this want to find ZODB ???
+
+import os
+import sys
+
+dir = os.path.dirname(__file__)
+path = os.path.join(dir, ".path")
+try:
+    f = open(path)
+except IOError:
+    try:
+        # If we can import ZODB, our sys.path is set up well enough already
+        import ZODB
+    except ImportError:
+        raise IOError("Can't find ZODB package.  Please edit %s to point to "
+                      "your Zope's lib/python directory" % path)
+else:
+    for line in f.readlines():
+        line = line.strip()
+        if line and line[0] != '#':
+            for dir in line.split(os.pathsep):
+                dir = os.path.expanduser(os.path.expandvars(dir))
+                if dir not in sys.path:
+                    sys.path.append(dir)
+        # Must import this first to initialize Persistence properly
+        import ZODB