Changeset 1580

Timestamp:

06/29/04 16:21:41 (20 years ago)

Author:

jalet

Message:

Smallish optimization

Location:

pykota/trunk

Files:

• pykota/pdlanalyzer.py (modified) (6 diffs)
• README (modified) (1 diff)

pykota/trunk/pykota/pdlanalyzer.py

@@ -22 +22 @@
 #
 # $Log$
+# Revision 1.22  2004/06/29 14:21:41  jalet
+# Smallish optimization
+#
 # Revision 1.21  2004/06/28 23:11:26  jalet
 # Code de-factorization in PCLXL parser
@@ -93 +96 @@
 import os
 import re
-import struct
+from struct import unpack
 import tempfile
 import mmap
@@ -347 +350 @@
             pos = self.pos
         posl = pos + length
-        sarraysize = self.minfile[pos:posl]
         self.pos = posl
         if length == 1 :    
-            return struct.unpack(self.endianness + "B", sarraysize)[0]
+            return unpack("B", self.minfile[pos:posl])[0]
         elif length == 2 :    
-            return struct.unpack(self.endianness + "H", sarraysize)[0]
+            return unpack(self.endianness + "H", self.minfile[pos:posl])[0]
         elif length == 4 :    
-            return struct.unpack(self.endianness + "I", sarraysize)[0]
+            return unpack(self.endianness + "I", self.minfile[pos:posl])[0]
         else :    
             raise PDLAnalyzerError, "Error on array size at %s" % self.pos
@@ -369 +371 @@
             pos = self.pos
         posl = pos + length
-        sarraysize = self.minfile[pos:posl]
         self.pos = posl
         if length == 1 :    
-            return 2 * struct.unpack(self.endianness + "B", sarraysize)[0]
+            return 2 * unpack("B", self.minfile[pos:posl])[0]
         elif length == 2 :    
-            return 2 * struct.unpack(self.endianness + "H", sarraysize)[0]
+            return 2 * unpack(self.endianness + "H", self.minfile[pos:posl])[0]
         elif length == 4 :    
-            return 2 * struct.unpack(self.endianness + "I", sarraysize)[0]
+            return 2 * unpack(self.endianness + "I", self.minfile[pos:posl])[0]
         else :    
             raise PDLAnalyzerError, "Error on array size at %s" % self.pos
@@ -391 +392 @@
             pos = self.pos
         posl = pos + length
-        sarraysize = self.minfile[pos:posl]
         self.pos = posl
         if length == 1 :    
-            return 4 * struct.unpack(self.endianness + "B", sarraysize)[0]
+            return 4 * unpack("B", self.minfile[pos:posl])[0]
         elif length == 2 :    
-            return 4 * struct.unpack(self.endianness + "H", sarraysize)[0]
+            return 4 * unpack(self.endianness + "H", self.minfile[pos:posl])[0]
         elif length == 4 :    
-            return 4 * struct.unpack(self.endianness + "I", sarraysize)[0]
+            return 4 * unpack(self.endianness + "I", self.minfile[pos:posl])[0]
         else :    
             raise PDLAnalyzerError, "Error on array size at %s" % self.pos
@@ -411 +411 @@
     def embeddedData(self) :
         """Handle normal amounts of data."""
-        fmt = self.endianness + "I"
         pos = self.pos
         pos4 = pos + 4
-        data = self.minfile[pos:pos4]
         self.pos = pos4
-        return struct.unpack(fmt, data)[0]
+        return unpack(self.indianness + "I", self.minfile[pos:pos4])[0]
         
     def littleEndian(self) :        

pykota/trunk/README

@@ -119 +119 @@
           
         - Account balances can be set, incremented, or  
-          decremented.
+          decremented. History of payments is kept.
           
         - Both printers and users can be automatically added on