From cab2c2c08c67e7d1606c03700df3e4e9c0dc59fd Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 29 Mar 2018 12:48:47 +0430
Subject: [PATCH] Make more gen-* scripts py3 compatible (#940)

---
 src/Makefile.am                               |   2 +-
 src/gen-arabic-table.py                       | 163 +++++++++---------
 src/gen-def.py                                |   2 +-
 src/gen-indic-table.py                        | 120 ++++++-------
 src/gen-unicode-ranges.py                     |   8 +-
 src/gen-use-table.py                          |   3 +-
 src/hb-ot-shape-complex-indic-table.cc        |   2 -
 src/sample.py                                 |   5 +-
 test/fuzzing/run-shape-fuzzer-tests.py        |   3 +-
 test/fuzzing/run-subset-fuzzer-tests.py       |   3 +-
 .../text-rendering-tests/extract-tests.py     |   3 +-
 test/shaping/hb_test_tools.py                 |   3 +-
 test/shaping/run-tests.py                     |   3 +-
 test/subset/run-tests.py                      |   2 +-
 14 files changed, 166 insertions(+), 156 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index df45f73bc..db265e21b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -295,7 +295,7 @@ arabic-table: gen-arabic-table.py ArabicShaping.txt UnicodeData.txt Blocks.txt
 	$(AM_V_GEN) $(builddir)/$^ > hb-ot-shape-complex-arabic-table.hh \
 	|| ($(RM) hb-ot-shape-complex-arabic-table.hh; false)
 
-indic-table: gen-indic-table.py IndicSyllabicCategory-7.0.0.txt IndicMatraCategory-7.0.0.txt Blocks.txt
+indic-table: gen-indic-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt Blocks.txt
 	$(AM_V_GEN) $(builddir)/$^ > hb-ot-shape-complex-indic-table.cc \
 	|| ($(RM) hb-ot-shape-complex-indic-table.cc; false)
 
diff --git a/src/gen-arabic-table.py b/src/gen-arabic-table.py
index 59bd76012..a3bd30735 100755
--- a/src/gen-arabic-table.py
+++ b/src/gen-arabic-table.py
@@ -1,10 +1,12 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
+from __future__ import print_function, division, absolute_import
 
 import sys
 import os.path
 
 if len (sys.argv) != 4:
-	print >>sys.stderr, "usage: ./gen-arabic-table.py ArabicShaping.txt UnicodeData.txt Blocks.txt"
+	print ("usage: ./gen-arabic-table.py ArabicShaping.txt UnicodeData.txt Blocks.txt", file=sys.stderr)
 	sys.exit (1)
 
 files = [file (x) for x in sys.argv[1:]]
@@ -65,9 +67,9 @@ def print_joining_table(f):
 		assert short not in short_value.values()
 		short_value[value] = short
 
-	print
+	print ()
 	for value,short in short_value.items():
-		print "#define %s	%s" % (short, value)
+		print ("#define %s	%s" % (short, value))
 
 	uu = sorted(values.keys())
 	num = len(values)
@@ -82,15 +84,15 @@ def print_joining_table(f):
 			ranges.append([u,u])
 		last = u
 
-	print
-	print "static const uint8_t joining_table[] ="
-	print "{"
+	print ()
+	print ("static const uint8_t joining_table[] =")
+	print ("{")
 	last_block = None
 	offset = 0
 	for start,end in ranges:
 
-		print
-		print "#define joining_offset_0x%04xu %d" % (start, offset)
+		print ()
+		print ("#define joining_offset_0x%04xu %d" % (start, offset))
 
 		for u in range(start, end+1):
 
@@ -99,53 +101,53 @@ def print_joining_table(f):
 
 			if block != last_block or u == start:
 				if u != start:
-					print
+					print ()
 				if block in all_blocks:
-					print "\n  /* %s */" % block
+					print ("\n  /* %s */" % block)
 				else:
-					print "\n  /* FILLER */"
+					print ("\n  /* FILLER */")
 				last_block = block
 				if u % 32 != 0:
-					print
-					print "  /* %04X */" % (u//32*32), "  " * (u % 32),
+					print ()
+					print ("  /* %04X */" % (u//32*32), "  " * (u % 32), end="")
 
 			if u % 32 == 0:
-				print
-				print "  /* %04X */ " % u,
-			sys.stdout.write("%s," % short_value[value])
-		print
+				print ()
+				print ("  /* %04X */ " % u, end="")
+			print ("%s," % short_value[value], end="")
+		print ()
 
 		offset += end - start + 1
-	print
+	print ()
 	occupancy = num * 100. / offset
-	print "}; /* Table items: %d; occupancy: %d%% */" % (offset, occupancy)
-	print
+	print ("}; /* Table items: %d; occupancy: %d%% */" % (offset, occupancy))
+	print ()
 
 	page_bits = 12;
-	print
-	print "static unsigned int"
-	print "joining_type (hb_codepoint_t u)"
-	print "{"
-	print "  switch (u >> %d)" % page_bits
-	print "  {"
+	print ()
+	print ("static unsigned int")
+	print ("joining_type (hb_codepoint_t u)")
+	print ("{")
+	print ("  switch (u >> %d)" % page_bits)
+	print ("  {")
 	pages = set([u>>page_bits for u in [s for s,e in ranges]+[e for s,e in ranges]])
 	for p in sorted(pages):
-		print "    case 0x%0Xu:" % p
+		print ("    case 0x%0Xu:" % p)
 		for (start,end) in ranges:
 			if p not in [start>>page_bits, end>>page_bits]: continue
 			offset = "joining_offset_0x%04xu" % start
-			print "      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return joining_table[u - 0x%04Xu + %s];" % (start, end, start, offset)
-		print "      break;"
-		print ""
-	print "    default:"
-	print "      break;"
-	print "  }"
-	print "  return X;"
-	print "}"
-	print
+			print ("      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return joining_table[u - 0x%04Xu + %s];" % (start, end, start, offset))
+		print ("      break;")
+		print ("")
+	print ("    default:")
+	print ("      break;")
+	print ("  }")
+	print ("  return X;")
+	print ("}")
+	print ()
 	for value,short in short_value.items():
-		print "#undef %s" % (short)
-	print
+		print ("#undef %s" % (short))
+	print ()
 
 def print_shaping_table(f):
 
@@ -186,9 +188,9 @@ def print_shaping_table(f):
 				shapes[items[0]] = {}
 			shapes[items[0]][shape] = c
 
-	print
-	print "static const uint16_t shaping_table[][4] ="
-	print "{"
+	print ()
+	print ("static const uint16_t shaping_table[][4] =")
+	print ("{")
 
 	keys = shapes.keys ()
 	min_u, max_u = min (keys), max (keys)
@@ -196,13 +198,13 @@ def print_shaping_table(f):
 		s = [shapes[u][shape] if u in shapes and shape in shapes[u] else 0
 		     for shape in  ['initial', 'medial', 'final', 'isolated']]
 		value = ', '.join ("0x%04Xu" % c for c in s)
-		print "  {%s}, /* U+%04X %s */" % (value, u, names[u] if u in names else "")
+		print ("  {%s}, /* U+%04X %s */" % (value, u, names[u] if u in names else ""))
 
-	print "};"
-	print
-	print "#define SHAPING_TABLE_FIRST	0x%04Xu" % min_u
-	print "#define SHAPING_TABLE_LAST	0x%04Xu" % max_u
-	print
+	print ("};")
+	print ()
+	print ("#define SHAPING_TABLE_FIRST	0x%04Xu" % min_u)
+	print ("#define SHAPING_TABLE_LAST	0x%04Xu" % max_u)
+	print ()
 
 	ligas = {}
 	for pair in ligatures.keys ():
@@ -218,52 +220,51 @@ def print_shaping_table(f):
 				ligas[liga[0]] = []
 			ligas[liga[0]].append ((liga[1], c))
 	max_i = max (len (ligas[l]) for l in ligas)
-	print
-	print "static const struct ligature_set_t {"
-	print " uint16_t first;"
-	print " struct ligature_pairs_t {"
-	print "   uint16_t second;"
-	print "   uint16_t ligature;"
-	print " } ligatures[%d];" % max_i
-	print "} ligature_table[] ="
-	print "{"
+	print ()
+	print ("static const struct ligature_set_t {")
+	print (" uint16_t first;")
+	print (" struct ligature_pairs_t {")
+	print ("   uint16_t second;")
+	print ("   uint16_t ligature;")
+	print (" } ligatures[%d];" % max_i)
+	print ("} ligature_table[] =")
+	print ("{")
 	keys = ligas.keys ()
 	keys.sort ()
 	for first in keys:
 
-		print "  { 0x%04Xu, {" % (first)
+		print ("  { 0x%04Xu, {" % (first))
 		for liga in ligas[first]:
-			print "    { 0x%04Xu, 0x%04Xu }, /* %s */" % (liga[0], liga[1], names[liga[1]])
-		print "  }},"
+			print ("    { 0x%04Xu, 0x%04Xu }, /* %s */" % (liga[0], liga[1], names[liga[1]]))
+		print ("  }},")
 
-	print "};"
-	print
+	print ("};")
+	print ()
 
 
 
-print "/* == Start of generated table == */"
-print "/*"
-print " * The following table is generated by running:"
-print " *"
-print " *   ./gen-arabic-table.py ArabicShaping.txt UnicodeData.txt Blocks.txt"
-print " *"
-print " * on files with these headers:"
-print " *"
+print ("/* == Start of generated table == */")
+print ("/*")
+print (" * The following table is generated by running:")
+print (" *")
+print (" *   ./gen-arabic-table.py ArabicShaping.txt UnicodeData.txt Blocks.txt")
+print (" *")
+print (" * on files with these headers:")
+print (" *")
 for h in headers:
 	for l in h:
-		print " * %s" % (l.strip())
-print " */"
-print
-print "#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH"
-print "#define HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH"
-print
+		print (" * %s" % (l.strip()))
+print (" */")
+print ()
+print ("#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH")
+print ("#define HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH")
+print ()
 
 read_blocks (files[2])
 print_joining_table (files[0])
 print_shaping_table (files[1])
 
-print
-print "#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH */"
-print
-print "/* == End of generated table == */"
-
+print ()
+print ("#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_TABLE_HH */")
+print ()
+print ("/* == End of generated table == */")
diff --git a/src/gen-def.py b/src/gen-def.py
index de35eb7d0..9a997d65a 100755
--- a/src/gen-def.py
+++ b/src/gen-def.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
+from __future__ import print_function, division, absolute_import
 
 import io, os, re, sys
 
diff --git a/src/gen-indic-table.py b/src/gen-indic-table.py
index 735b9015e..7627be31b 100755
--- a/src/gen-indic-table.py
+++ b/src/gen-indic-table.py
@@ -1,9 +1,11 @@
-#!/usr/bin/python
+#!/usr/bin/env python
+
+from __future__ import print_function, division, absolute_import
 
 import sys
 
 if len (sys.argv) != 4:
-	print >>sys.stderr, "usage: ./gen-indic-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt Blocks.txt"
+	print ("usage: ./gen-indic-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt Blocks.txt", file=sys.stderr)
 	sys.exit (1)
 
 ALLOWED_SINGLES = [0x00A0, 0x25CC]
@@ -87,21 +89,21 @@ for u in ALLOWED_SINGLES:
 	singles[u] = data[u]
 	del data[u]
 
-print "/* == Start of generated table == */"
-print "/*"
-print " * The following table is generated by running:"
-print " *"
-print " *   ./gen-indic-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt Blocks.txt"
-print " *"
-print " * on files with these headers:"
-print " *"
+print ("/* == Start of generated table == */")
+print ("/*")
+print (" * The following table is generated by running:")
+print (" *")
+print (" *   ./gen-indic-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt Blocks.txt")
+print (" *")
+print (" * on files with these headers:")
+print (" *")
 for h in headers:
 	for l in h:
-		print " * %s" % (l.strip())
-print " */"
-print
-print '#include "hb-ot-shape-complex-indic-private.hh"'
-print
+		print (" * %s" % (l.strip()))
+print (" */")
+print ()
+print ('#include "hb-ot-shape-complex-indic-private.hh"')
+print ()
 
 # Shorten values
 short = [{
@@ -130,7 +132,7 @@ for i in range (2):
 what = ["INDIC_SYLLABIC_CATEGORY", "INDIC_MATRA_CATEGORY"]
 what_short = ["ISC", "IMC"]
 for i in range (2):
-	print
+	print ()
 	vv = values[i].keys ()
 	vv.sort ()
 	for v in vv:
@@ -143,14 +145,14 @@ for i in range (2):
 				raise Exception ("Duplicate short value alias", v, all_shorts[i][s])
 			all_shorts[i][s] = v
 			short[i][v] = s
-		print "#define %s_%s	%s_%s	%s/* %3d chars; %s */" % \
-			(what_short[i], s, what[i], v.upper (), \
-			'	'* ((48-1 - len (what[i]) - 1 - len (v)) / 8), \
-			values[i][v], v)
-print
-print "#define _(S,M) INDIC_COMBINE_CATEGORIES (ISC_##S, IMC_##M)"
-print
-print
+		print ("#define %s_%s	%s_%s	%s/* %3d chars; %s */" %
+			(what_short[i], s, what[i], v.upper (),
+			'	'* ((48-1 - len (what[i]) - 1 - len (v)) // 8),
+			values[i][v], v))
+print ()
+print ("#define _(S,M) INDIC_COMBINE_CATEGORIES (ISC_##S, IMC_##M)")
+print ()
+print ()
 
 total = 0
 used = 0
@@ -158,20 +160,20 @@ last_block = None
 def print_block (block, start, end, data):
 	global total, used, last_block
 	if block and block != last_block:
-		print
-		print
-		print "  /* %s */" % block
+		print ()
+		print ()
+		print ("  /* %s */" % block)
 	num = 0
 	assert start % 8 == 0
 	assert (end+1) % 8 == 0
 	for u in range (start, end+1):
 		if u % 8 == 0:
-			print
-			print "  /* %04X */" % u,
+			print ()
+			print ("  /* %04X */" % u, end="")
 		if u in data:
 			num += 1
 		d = data.get (u, defaults)
-		sys.stdout.write ("%9s" % ("_(%s,%s)," % (short[0][d[0]], short[1][d[1]])))
+		print ("%9s" % ("_(%s,%s)," % (short[0][d[0]], short[1][d[1]])), end="")
 
 	total += end - start + 1
 	used += num
@@ -186,7 +188,7 @@ num = 0
 offset = 0
 starts = []
 ends = []
-print "static const INDIC_TABLE_ELEMENT_TYPE indic_table[] = {"
+print ("static const INDIC_TABLE_ELEMENT_TYPE indic_table[] = {")
 for u in uu:
 	if u <= last:
 		continue
@@ -206,54 +208,54 @@ for u in uu:
 			if last >= 0:
 				ends.append (last + 1)
 				offset += ends[-1] - starts[-1]
-			print
-			print
-			print "#define indic_offset_0x%04xu %d" % (start, offset)
+			print ()
+			print ()
+			print ("#define indic_offset_0x%04xu %d" % (start, offset))
 			starts.append (start)
 
 	print_block (block, start, end, data)
 	last = end
 ends.append (last + 1)
 offset += ends[-1] - starts[-1]
-print
-print
+print ()
+print ()
 occupancy = used * 100. / total
 page_bits = 12
-print "}; /* Table items: %d; occupancy: %d%% */" % (offset, occupancy)
-print
-print "INDIC_TABLE_ELEMENT_TYPE"
-print "hb_indic_get_categories (hb_codepoint_t u)"
-print "{"
-print "  switch (u >> %d)" % page_bits
-print "  {"
+print ("}; /* Table items: %d; occupancy: %d%% */" % (offset, occupancy))
+print ()
+print ("INDIC_TABLE_ELEMENT_TYPE")
+print ("hb_indic_get_categories (hb_codepoint_t u)")
+print ("{")
+print ("  switch (u >> %d)" % page_bits)
+print ("  {")
 pages = set([u>>page_bits for u in starts+ends+singles.keys()])
 for p in sorted(pages):
-	print "    case 0x%0Xu:" % p
+	print ("    case 0x%0Xu:" % p)
 	for u,d in singles.items ():
 		if p != u>>page_bits: continue
-		print "      if (unlikely (u == 0x%04Xu)) return _(%s,%s);" % (u, short[0][d[0]], short[1][d[1]])
+		print ("      if (unlikely (u == 0x%04Xu)) return _(%s,%s);" % (u, short[0][d[0]], short[1][d[1]]))
 	for (start,end) in zip (starts, ends):
 		if p not in [start>>page_bits, end>>page_bits]: continue
 		offset = "indic_offset_0x%04xu" % start
-		print "      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return indic_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset)
-	print "      break;"
-	print ""
-print "    default:"
-print "      break;"
-print "  }"
-print "  return _(x,x);"
-print "}"
-print
-print "#undef _"
+		print ("      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return indic_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset))
+	print ("      break;")
+	print ("")
+print ("    default:")
+print ("      break;")
+print ("  }")
+print ("  return _(x,x);")
+print ("}")
+print ()
+print ("#undef _")
 for i in range (2):
 	print
 	vv = values[i].keys ()
 	vv.sort ()
 	for v in vv:
-		print "#undef %s_%s" % \
-			(what_short[i], short[i][v])
-print
-print "/* == End of generated table == */"
+		print ("#undef %s_%s" %
+			(what_short[i], short[i][v]))
+print ()
+print ("/* == End of generated table == */")
 
 # Maintain at least 30% occupancy in the table */
 if occupancy < 30:
diff --git a/src/gen-unicode-ranges.py b/src/gen-unicode-ranges.py
index 3b59cd862..30249a8f8 100644
--- a/src/gen-unicode-ranges.py
+++ b/src/gen-unicode-ranges.py
@@ -4,6 +4,8 @@
 # Input is a tab seperated list of unicode ranges from the otspec
 # (https://docs.microsoft.com/en-us/typography/opentype/spec/os2#ulunicoderange1).
 
+from __future__ import print_function, division, absolute_import
+
 import io
 import re
 import sys
@@ -11,7 +13,7 @@ import sys
 reload(sys)
 sys.setdefaultencoding('utf-8')
 
-print (u"""static Range os2UnicodeRangesSorted[] =
+print ("""static Range os2UnicodeRangesSorted[] =
 {""")
 
 args = sys.argv[1:]
@@ -47,6 +49,6 @@ for ranges in all_ranges:
   end = ("0x%X" % ranges[1]).rjust(8)
   bit = ("%s" % ranges[2]).rjust(3)
 
-  print "  {%s, %s, %s}, // %s" % (start, end, bit, ranges[3])
+  print ("  {%s, %s, %s}, // %s" % (start, end, bit, ranges[3]))
 
-print (u"""};""");
+print ("""};""")
diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index ecbdfb951..5726002a1 100755
--- a/src/gen-use-table.py
+++ b/src/gen-use-table.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
+from __future__ import print_function, division, absolute_import
+
 import sys
 
 if len (sys.argv) != 5:
diff --git a/src/hb-ot-shape-complex-indic-table.cc b/src/hb-ot-shape-complex-indic-table.cc
index 867cfb33b..5817b8346 100644
--- a/src/hb-ot-shape-complex-indic-table.cc
+++ b/src/hb-ot-shape-complex-indic-table.cc
@@ -430,7 +430,6 @@ hb_indic_get_categories (hb_codepoint_t u)
 }
 
 #undef _
-
 #undef ISC_A
 #undef ISC_Bi
 #undef ISC_BJN
@@ -466,7 +465,6 @@ hb_indic_get_categories (hb_codepoint_t u)
 #undef ISC_Vo
 #undef ISC_M
 #undef ISC_VI
-
 #undef IMC_B
 #undef IMC_BL
 #undef IMC_BR
diff --git a/src/sample.py b/src/sample.py
index 844fa4c8c..8f97195f2 100755
--- a/src/sample.py
+++ b/src/sample.py
@@ -1,7 +1,8 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-from __future__ import print_function
+from __future__ import print_function, division, absolute_import
+
 import sys
 import array
 from gi.repository import HarfBuzz as hb
diff --git a/test/fuzzing/run-shape-fuzzer-tests.py b/test/fuzzing/run-shape-fuzzer-tests.py
index 43378d1ba..fea0b01b4 100755
--- a/test/fuzzing/run-shape-fuzzer-tests.py
+++ b/test/fuzzing/run-shape-fuzzer-tests.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
+from __future__ import print_function, division, absolute_import
+
 import sys, os, subprocess
 
 srcdir = os.environ.get ("srcdir", ".")
diff --git a/test/fuzzing/run-subset-fuzzer-tests.py b/test/fuzzing/run-subset-fuzzer-tests.py
index 229881a4c..235752311 100755
--- a/test/fuzzing/run-subset-fuzzer-tests.py
+++ b/test/fuzzing/run-subset-fuzzer-tests.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
+from __future__ import print_function, division, absolute_import
+
 import sys, os, subprocess
 
 srcdir = os.environ.get ("srcdir", ".")
diff --git a/test/shaping/data/text-rendering-tests/extract-tests.py b/test/shaping/data/text-rendering-tests/extract-tests.py
index 8e5909fac..36963e5e1 100755
--- a/test/shaping/data/text-rendering-tests/extract-tests.py
+++ b/test/shaping/data/text-rendering-tests/extract-tests.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
+from __future__ import print_function, division, absolute_import
+
 import sys
 import xml.etree.ElementTree as ET
 
diff --git a/test/shaping/hb_test_tools.py b/test/shaping/hb_test_tools.py
index f7e594347..de4516ee8 100644
--- a/test/shaping/hb_test_tools.py
+++ b/test/shaping/hb_test_tools.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
+from __future__ import print_function, division, absolute_import
+
 import sys, os, re, difflib, unicodedata, errno, cgi
 from itertools import *
 
diff --git a/test/shaping/run-tests.py b/test/shaping/run-tests.py
index c65e7142c..73b61c21a 100755
--- a/test/shaping/run-tests.py
+++ b/test/shaping/run-tests.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
-from __future__ import print_function
+from __future__ import print_function, division, absolute_import
+
 import sys, os, subprocess
 
 
diff --git a/test/subset/run-tests.py b/test/subset/run-tests.py
index 6d28b24db..0b119fee6 100755
--- a/test/subset/run-tests.py
+++ b/test/subset/run-tests.py
@@ -3,7 +3,7 @@
 # Runs a subsetting test suite. Compares the results of subsetting via harfbuz
 # to subsetting via fonttools.
 
-from __future__ import print_function
+from __future__ import print_function, division, absolute_import
 
 import io
 from difflib import unified_diff