#2503 make singletons compared with "is" not == or !=
Thanks to Wummel for the patch
diff --git a/Lib/plat-mac/ic.py b/Lib/plat-mac/ic.py
index 6575336..46788c9 100644
--- a/Lib/plat-mac/ic.py
+++ b/Lib/plat-mac/ic.py
@@ -202,12 +202,12 @@
self.ic.ICLaunchURL(hint, url, 0, len(url))
def parseurl(self, data, start=None, end=None, hint=""):
- if start == None:
+ if start is None:
selStart = 0
selEnd = len(data)
else:
selStart = selEnd = start
- if end != None:
+ if end is not None:
selEnd = end
selStart, selEnd = self.ic.ICParseURL(hint, data, selStart, selEnd, self.h)
return self.h.data, selStart, selEnd
@@ -231,27 +231,27 @@
def launchurl(url, hint=""):
global _dft_ic
- if _dft_ic == None: _dft_ic = IC()
+ if _dft_ic is None: _dft_ic = IC()
return _dft_ic.launchurl(url, hint)
def parseurl(data, start=None, end=None, hint=""):
global _dft_ic
- if _dft_ic == None: _dft_ic = IC()
+ if _dft_ic is None: _dft_ic = IC()
return _dft_ic.parseurl(data, start, end, hint)
def mapfile(filename):
global _dft_ic
- if _dft_ic == None: _dft_ic = IC()
+ if _dft_ic is None: _dft_ic = IC()
return _dft_ic.mapfile(filename)
def maptypecreator(type, creator, filename=""):
global _dft_ic
- if _dft_ic == None: _dft_ic = IC()
+ if _dft_ic is None: _dft_ic = IC()
return _dft_ic.maptypecreator(type, creator, filename)
def settypecreator(file):
global _dft_ic
- if _dft_ic == None: _dft_ic = IC()
+ if _dft_ic is None: _dft_ic = IC()
return _dft_ic.settypecreator(file)
def _test():