From: Kurt B. Kaiser <kbk@shore.net>
Date: Sun, 3 May 2009 01:03:44 +0000 (+0000)
Subject: idle.py modified and simplified to better support
X-Git-Tag: v2.7a1~1306
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=106ac46b3fb4751fb19a0e7b429c7ad3f71dc345;p=python

idle.py modified and simplified to better support
developing experimental versions of IDLE which are
not installed in the standard location.
---

diff --git a/Lib/idlelib/NEWS.txt b/Lib/idlelib/NEWS.txt
index a7ac7b7ebd..fee9c619fd 100644
--- a/Lib/idlelib/NEWS.txt
+++ b/Lib/idlelib/NEWS.txt
@@ -3,6 +3,9 @@ What's New in IDLE 2.7a0?
 
 *Release date: XX-XXX-2009*
 
+- idle.py modified and simplified to better support developing experimental
+  versions of IDLE which are not installed in the standard location.
+
 - OutputWindow/PyShell right click menu "Go to file/line" wasn't working with
   file paths containing spaces.  Bug 5559.
 
diff --git a/Lib/idlelib/idle.py b/Lib/idlelib/idle.py
index 537dd5a9a7..a249557dd1 100644
--- a/Lib/idlelib/idle.py
+++ b/Lib/idlelib/idle.py
@@ -1,21 +1,11 @@
-try:
-    import idlelib.PyShell
-except ImportError:
-    # IDLE is not installed, but maybe PyShell is on sys.path:
-    try:
-        import PyShell
-    except ImportError:
-        raise
-    else:
-        import os
-        idledir = os.path.dirname(os.path.abspath(PyShell.__file__))
-        if idledir != os.getcwd():
-            # We're not in the IDLE directory, help the subprocess find run.py
-            pypath = os.environ.get('PYTHONPATH', '')
-            if pypath:
-                os.environ['PYTHONPATH'] = pypath + ':' + idledir
-            else:
-                os.environ['PYTHONPATH'] = idledir
-        PyShell.main()
-else:
-    idlelib.PyShell.main()
+import os.path
+import sys
+
+# If we are working on a development version of IDLE, we need to prepend the
+# parent of this idlelib dir to sys.path.  Otherwise, importing idlelib gets
+# the version installed with the Python used to call this module:
+idlelib_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+sys.path.insert(0, idlelib_dir)
+
+import idlelib.PyShell
+idlelib.PyShell.main()