Use MacOS.openrf (if it is available) for opening resource forks

Copy in .5Mb chunks in stead of 1Mb

diff --git a/Mac/Lib/macostools.py b/Mac/Lib/macostools.py
index aa5eb6065875a49175625ed3d542312232d4aac6..1dcc47eaa22aa536cd700f3089613964c335382d 100644 (file)
--- a/Mac/Lib/macostools.py
+++ b/Mac/Lib/macostools.py
@@ -8,12 +8,18 @@ import macfs
 import Res
 import os
 from MACFS import *
+import MacOS
+try:
+       openrf = MacOS.openrf
+except AttributeError:
+       # Backward compatability
+       openrf = open
 
 Error = 'macostools.Error'
 
 FSSpecType = type(macfs.FSSpec(':'))
 
-BUFSIZ=0x100000                # Copy in 1Mb chunks
+BUFSIZ=0x80000         # Copy in 0.5Mb chunks
 
 #
 # Not guaranteed to be correct or stay correct (Apple doesn't tell you
@@ -64,8 +70,8 @@ def copy(src, dst, createpath=0):
        ifp.close()
        ofp.close()
        
-       ifp = open(srcfss.as_pathname(), '*rb')
-       ofp = open(dstfss.as_pathname(), '*wb')
+       ifp = openrf(srcfss.as_pathname(), '*rb')
+       ofp = openrf(dstfss.as_pathname(), '*wb')
        d = ifp.read(BUFSIZ)
        while d:
                ofp.write(d)