Make lv2_presets.py python 3.0 compatible

amsynth · Jun 23, 2017 · 11fa926 · 11fa926
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diff --git a/data/amsynth.lv2/BriansBank01.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank01.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank02.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank02.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank03.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank03.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank04.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank04.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank05.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank05.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank06.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank06.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank07.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank07.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank08.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank08.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank09.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank09.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank10.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank10.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank11.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank11.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank12.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank12.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank13.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank13.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank14.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank14.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank15.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank15.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank16.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank16.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank17.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank17.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank18.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank18.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/BriansBank19.amSynth.bank.ttl b/data/amsynth.lv2/BriansBank19.amSynth.bank.ttl
diff --git a/data/amsynth.lv2/amsynth_factory.bank.ttl b/data/amsynth.lv2/amsynth_factory.bank.ttl
diff --git a/utils/lv2_presets.py b/utils/lv2_presets.py
@@ -3,6 +3,8 @@
 # Converts an amsynth preset bank file to an LV2 presets ttl manifest.
 #
 
+from __future__ import print_function
+
 import os, re, sys
 
 pluginURI = 'http://code.google.com/p/amsynth/amsynth'
@@ -26,50 +28,51 @@
 def amsynth_bank_read(filepath):
 	presets = []
 	currentPreset = {}
-	with open(filepath, 'rb') as file:
+	with open(filepath, 'r') as file:
 		for line in file:
 			line = line.strip()
 			if line.startswith('<preset> <name> '):
 				if len(currentPreset):
 					presets.append(currentPreset)
-				currentPreset = { 'name': line[16:], 'parameters':{} }
+				currentPreset = { 'name': line[16:], 'parameters':[] }
 			if line.startswith('<parameter>'):
 				tokens = re.split(r'\s', line.strip())
 				if len(tokens) == 3 and tokens[0] == '<parameter>':
-					currentPreset['parameters'][tokens[1]] = tokens[2]
+					currentPreset['parameters'].append((tokens[1], tokens[2]))
 	presets.append(currentPreset)
 	currentPreset = {}
 	return presets
 
 def lv2_bank_write(filepath, bank_name, presets):
 	with open(filepath, 'w') as file:
-		print >> file, lv2_file_header
+		print(lv2_file_header, file=file)
 
 		bank_uri = 'http://code.google.com/p/amsynth/amsynth#' + bank_name
-		print '''<%s>
+		print('''<%s>
     a pset:Bank ;
     rdfs:label "%s" .
-''' % (bank_uri, bank_name)
+''' % (bank_uri, bank_name))
 
 		for i, preset in enumerate(presets):
 			preset_uri = bank_name + '_%03d_' % i + re.sub(r'\s', '_', preset['name'])
 			label = '%s: %03d: %s' % (bank_name, i, preset['name'])
 			# When banks are more widely supported, we should switch to this:
 			#label = '%03d: %s' % (i, preset['name'])
-			print lv2_preset_header.format(preset_uri=preset_uri, label=label)
+			print(lv2_preset_header.format(preset_uri=preset_uri, label=label))
-			print '    rdfs:seeAlso <{}> .'.format(os.path.basename(filepath))
+			print('    rdfs:seeAlso <{}> .'.format(os.path.basename(filepath)))
-			print ''
+			print('')
-			print >> file, lv2_preset_header.format(preset_uri=preset_uri, label=label)
+			print(lv2_preset_header.format(preset_uri=preset_uri, label=label), file=file)
-			print >> file, '    pset:bank <%s> ;' % bank_uri
+			print('    pset:bank <%s> ;' % bank_uri, file=file)
-			print >> file, '    lv2:port ['
+			print('    lv2:port [', file=file)
-			for key, value in preset['parameters'].items():
+			for paramTuple in preset['parameters']:
-				print >> file, '        lv2:symbol "%s" ;' % key
+				(key, value) = paramTuple
-				print >> file, '        pset:value %f' % float(value)
+				print('        lv2:symbol "%s" ;' % key, file=file)
-				if key == preset['parameters'].keys()[-1]:
+				print('        pset:value %f' % float(value), file=file)
-					print >> file, '    ] .'
+				if paramTuple == preset['parameters'][-1]:
+					print('    ] .', file=file)
 				else:
-					print >> file, '    ] , ['
+					print('    ] , [', file=file)
-			print >> file, ''
+			print('', file=file)
 
 def main(argv=sys.argv):
 	for filename in sorted(os.listdir('data/banks')):