Update of /cvsroot/wisp/wisp/users/dig
In directory sc8-pr-cvs1:/tmp/cvs-serv2388
Modified Files:
bits.py
Log Message:
extracted Bits.set_single_item from Bits.__setitem__
Index: bits.py
===================================================================
RCS file: /cvsroot/wisp/wisp/users/dig/bits.py,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -d -r1.12 -r1.13
--- bits.py 27 Apr 2003 07:53:02 -0000 1.12
+++ bits.py 27 Apr 2003 08:24:50 -0000 1.13
@@ -49,6 +49,14 @@
tpl = this._byte_order + {2: 'H', 4: 'L'}[step]
return unpack(tpl, data)[0]
else: return ord(this._contents[index])
+ def set_single_item (this, index, step, value): # for easy extension
+ if index < 0 or index > len(this._contents):
+ raise IndexError, index
+ if step == 1: this._contents[start] = chr(value % 0x100)
+ else:
+ tpl = this._byte_order + {2: 'H', 4: 'L'}[step]
+ this._contents[index : index + step] = \
+ array('c', pack(tpl, value % (1L << (step << 3))))
def __setitem__ (this, index, value):
if isinstance(index, SliceType):
start, stop, step = index.start, index.stop, index.step
@@ -62,12 +70,6 @@
if stop != None or not step in (1, 2, 4):
raise 'Bad slice for Bits.__setitem__', index
if start > len(this._contents): raise IndexError, start
- if step == 1: this._contents[start] = chr(value % 0x100)
- else:
- tpl = this._byte_order + {2: 'H', 4: 'L'}[step]
- this._contents[start : start + step] = \
- array('c', pack(tpl, value % (1L << (step << 3))))
+ this.set_single_item(start, step, value)
else:
- if index > len(this._contents):
- raise IndexError, index
this._contents[index] = chr(value % 0x100)
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