python/retrace: Cope with python 2.4.x
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@@ -35,6 +35,14 @@ import model
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import parser
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try:
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from struct import unpack_from
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except ImportError:
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def unpack_from(fmt, buf, offset=0):
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size = struct.calcsize(fmt)
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return struct.unpack(fmt, buf[offset:offset + size])
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def make_image(surface):
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pixels = gallium.FloatArray(surface.height*surface.width*4)
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surface.get_tile_rgba(0, 0, surface.width, surface.height, pixels)
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@@ -383,7 +391,7 @@ class Context(Object):
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format = '4f'
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index = 0
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for offset in range(0, len(data), struct.calcsize(format)):
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x, y, z, w = struct.unpack_from(format, data, offset)
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x, y, z, w = unpack_from(format, data, offset)
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sys.stdout.write('\tCONST[%2u] = {%10.4f, %10.4f, %10.4f, %10.4f}\n' % (index, x, y, z, w))
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index += 1
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@@ -454,7 +462,7 @@ class Context(Object):
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}[velem.src_format]
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data = vbuf.buffer.read()
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values = struct.unpack_from(format, data, offset)
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values = unpack_from(format, data, offset)
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sys.stdout.write('\t\t{' + ', '.join(map(str, values)) + '},\n')
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assert len(values) == velem.nr_components
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sys.stdout.write('\t},\n')
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@@ -477,7 +485,7 @@ class Context(Object):
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sys.stdout.write('\t...\n')
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break
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offset = i*isize
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index, = struct.unpack_from(format, data, offset)
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index, = unpack_from(format, data, offset)
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sys.stdout.write('\t\t%u,\n' % index)
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minindex = min(minindex, index)
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maxindex = max(maxindex, index)
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