Make build compatible with Python 2.6

Implicit numbers for format specifiers "{}" can only be used on Py2.7+,
and Py2.6 is still in use on for instance CentOS 6.5 and similar.

Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>

diff --git a/backend/src/gen_builtin_vector.py b/backend/src/gen_builtin_vector.py
index d7336af..b100bbf 100755 (executable)
--- a/backend/src/gen_builtin_vector.py
+++ b/backend/src/gen_builtin_vector.py
@@ -25,8 +25,8 @@ import sys
 import os
 
 if len(sys.argv) != 3:
-    print "Invalid argument {}".format(sys.argv)
-    print "use {} spec_file_name output_file_name".format(sys.argv[0])
+    print "Invalid argument {0}".format(sys.argv)
+    print "use {0} spec_file_name output_file_name".format(sys.argv[0])
     raise
 
 all_vector = 1,2,3,4,8,16
@@ -223,7 +223,7 @@ class builtinProto():
         return ret
 
     def init_from_line(self, t):
-        self.append('//{}'.format(t))
+        self.append('//{0}'.format(t))
         line = filter(None, re.split(',| |\(', t.rstrip(')\n')))
         self.paramCount = 0
         stripped = 0
@@ -264,7 +264,7 @@ class builtinProto():
                 return
 
             if (n == 0):
-                formatStr = 'INLINE_OVERLOADABLE {}{} {} ('.format(vtype[0], vtype[1], self.functionName)
+                formatStr = 'INLINE_OVERLOADABLE {0}{1} {2} ('.format(vtype[0], vtype[1], self.functionName)
             else:
                 formatStr += ', '
 
@@ -278,12 +278,12 @@ class builtinProto():
                 pointerStr = ''
 
             if ptype[1] != 1:
-                formatStr += '{}{} {}param{}'.format(ptype[0], ptype[1], pointerStr, n)
+                formatStr += '{0}{1} {2}param{3}'.format(ptype[0], ptype[1], pointerStr, n)
             else:
-                formatStr += '{} {}param{}'.format(ptype[0], pointerStr, n)
+                formatStr += '{0} {1}param{2}'.format(ptype[0], pointerStr, n)
 
         formatStr += ')'
-        formatStr = self.append(formatStr, '{{return ({}{})('.format(vtype[0], vtype[1]))
+        formatStr = self.append(formatStr, '{{return ({0}{1})('.format(vtype[0], vtype[1]))
         self.indent = len(formatStr)
         for j in range(0, vtype[1]):
             if (j != 0):
@@ -295,7 +295,7 @@ class builtinProto():
 
             if self.prefix == 'relational' and self.functionName != 'bitselect' and self.functionName != 'select':
                 formatStr += '-'
-            formatStr += '{}('.format(self.functionName)
+            formatStr += '{0}('.format(self.functionName)
             for n in range(0, self.paramCount):
                 if n != 0:
                     formatStr += ', '
@@ -307,16 +307,16 @@ class builtinProto():
                         raise "parameter is not a scalar but has different width with result value."
                     if isPointer(ptype):
                         formatStr += '&'
-                    formatStr += 'param{}'.format(n)
+                    formatStr += 'param{0}'.format(n)
                     continue
 
                 if (isPointer(ptype)):
-                    formatStr += '({} {} *)param{} + {:2d}'.format(ptype[2], ptype[0], n, j)
+                    formatStr += '({0} {1} *)param{2} + {3:2d}'.format(ptype[2], ptype[0], n, j)
                 else:
                     if (self.functionName == 'select' and n == 2):
                         formatStr += '({0})(param{1}.s{2:x} & (({0})1 << (sizeof({0})*8 - 1)))'.format(ptype[0], n, j)
                     else:
-                        formatStr += 'param{}.s{:x}'.format(n, j)
+                        formatStr += 'param{0}.s{1:x}'.format(n, j)
 
             formatStr += ')'
 
@@ -331,7 +331,7 @@ class builtinProto():
 
     def output(self, outFile):
         for line in self.outputStr:
-            outFile.write('{}\n'.format(line))
+            outFile.write('{0}\n'.format(line))
 
     def gen_proto_str(self):
         check_type([self.valueTypeStr] + self.paramTypeStrs)
@@ -361,7 +361,7 @@ tempHeaderFileName = sys.argv[2] + '.tmp'
 safeUnlink(headerFileName)
 tempHeader = open(tempHeaderFileName, 'w')
 
-tempHeader.write("//This file is autogenerated by {}.\n".format(sys.argv[0]))
+tempHeader.write("//This file is autogenerated by {0}.\n".format(sys.argv[0]))
 tempHeader.write("//Don't modify it manually.\n")
 
 functionProto = builtinProto()
@@ -370,7 +370,7 @@ for line in specFile:
         continue
     if line[0] == '#':
         if line[1] == '#':
-            sectionHeader = "//{} builtin functions".format(line[2:].rstrip())
+            sectionHeader = "//{0} builtin functions".format(line[2:].rstrip())
             sectionPrefix=(line[2:].split())[0]
         continue
     functionProto.init(sectionHeader, sectionPrefix)

diff --git a/backend/src/update_blob_ocl_header.py b/backend/src/update_blob_ocl_header.py
index 197f16c..7d6907a 100755 (executable)
--- a/backend/src/update_blob_ocl_header.py
+++ b/backend/src/update_blob_ocl_header.py
@@ -21,8 +21,8 @@ import sys
 import os
 
 if len(sys.argv) != 3:
-    print "Invalid argument {}".format(sys.argv)
-    print "use {} tmpl_file_name output_file_name".format(sys.argv[0])
+    print "Invalid argument {0}".format(sys.argv)
+    print "use {0} tmpl_file_name output_file_name".format(sys.argv[0])
     raise
 
 def safeUnlink(filename):
@@ -46,7 +46,7 @@ for tline in tmplFile:
     if matched_header == "":
         blob.write(tline)
         for header in header_segments:
-            if tline.strip() == '// ##BEGIN_{}##'.format(header.upper()) :
+            if tline.strip() == '// ##BEGIN_{0}##'.format(header.upper()) :
                 hFile = open(path + '/ocl_' + header + '.h', 'r')
                 lineNr = 0
                 for hline in hFile:
@@ -56,7 +56,7 @@ for tline in tmplFile:
                 hFile.close()
                 matched_header = header
     else:
-        if tline.strip() == '// ##END_{}##'.format(matched_header.upper()) :
+        if tline.strip() == '// ##END_{0}##'.format(matched_header.upper()) :
             blob.write(tline)
             matched_header = "";