Fix indentation, format code according to autopep8

third_party/color_emoji/emoji_builder.py

@@ -17,7 +17,6 @@
 # Google Author(s): Behdad Esfahbod, Stuart Gill, Roozbeh Pournader
 #
 
-
 from __future__ import print_function
 import sys, struct, StringIO
 from png import PNG
@@ -26,33 +25,38 @@ from os import path
 
 from nototools import font_data
 
-def get_glyph_name_from_gsub (string, font, cmap_dict):
+
+def get_glyph_name_from_gsub(string, font, cmap_dict):
 	ligatures = font['GSUB'].table.LookupList.Lookup[0].SubTable[0].ligatures
-	first_glyph = cmap_dict[ord (string[0])]
+	first_glyph = cmap_dict[ord(string[0])]
-	rest_of_glyphs = [cmap_dict[ord (ch)] for ch in string[1:]]
+	rest_of_glyphs = [cmap_dict[ord(ch)] for ch in string[1:]]
 	for ligature in ligatures[first_glyph]:
 		if ligature.Component == rest_of_glyphs:
 			return ligature.LigGlyph
 
 
-def div (a, b):
+def div(a, b):
-	return int (round (a / float (b)))
+	return int(round(a / float(b)))
+
 
 class FontMetrics:
-	def __init__ (self, upem, ascent, descent):
+	def __init__(self, upem, ascent, descent):
 		self.upem = upem
 		self.ascent = ascent
 		self.descent = descent
 
+
 class StrikeMetrics:
-	def __init__ (self, font_metrics, advance, bitmap_width, bitmap_height):
+	def __init__(self, font_metrics, advance, bitmap_width, bitmap_height):
-		self.width = bitmap_width # in pixels
+		self.width = bitmap_width  # in pixels
-		self.height = bitmap_height # in pixels
+		self.height = bitmap_height  # in pixels
-		self.advance = advance # in font units
+		self.advance = advance  # in font units
-		self.x_ppem = self.y_ppem = div (bitmap_width * font_metrics.upem, advance)
+		self.x_ppem = self.y_ppem = div(bitmap_width * font_metrics.upem,
+										advance)
+
 
 class GlyphMap:
-	def __init__ (self, glyph, offset, image_format):
+	def __init__(self, glyph, offset, image_format):
 		self.glyph = glyph
 		self.offset = offset
 		self.image_format = image_format
@@ -60,47 +64,48 @@ class GlyphMap:
 
 # Based on http://www.microsoft.com/typography/otspec/ebdt.htm
 class CBDT:
-
+	def __init__(self, font_metrics, options=(), stream=None):
-	def __init__ (self, font_metrics, options = (), stream = None):
+		self.stream = stream if stream != None else bytearray()
-		self.stream = stream if stream != None else bytearray ()
 		self.options = options
 		self.font_metrics = font_metrics
 		self.base_offset = 0
-		self.base_offset = self.tell ()
+		self.base_offset = self.tell()
 
-	def tell (self):
+	def tell(self):
-		return len (self.stream) - self.base_offset
+		return len(self.stream) - self.base_offset
-	def write (self, data):
+
-		self.stream.extend (data)
+	def write(self, data):
-	def data (self):
+		self.stream.extend(data)
+
+	def data(self):
 		return self.stream
 
-	def write_header (self):
+	def write_header(self):
-		self.write (struct.pack (">L", 0x00030000)) # FIXED version
+		self.write(struct.pack(">L", 0x00030000))  # FIXED version
 
-	def start_strike (self, strike_metrics):
+	def start_strike(self, strike_metrics):
 		self.strike_metrics = strike_metrics
 		self.glyph_maps = []
 
-	def write_glyphs (self, glyphs, glyph_filenames, image_format):
+	def write_glyphs(self, glyphs, glyph_filenames, image_format):
 
-		write_func = self.image_write_func (image_format)
+		write_func = self.image_write_func(image_format)
 		for glyph in glyphs:
 			img_file = glyph_filenames[glyph]
-                        # print 'writing data for glyph %s' % path.basename(img_file)
+			# print 'writing data for glyph %s' % path.basename(img_file)
-			offset = self.tell ()
+			offset = self.tell()
-			write_func (PNG (img_file))
+			write_func(PNG(img_file))
-			self.glyph_maps.append (GlyphMap (glyph, offset, image_format))
+			self.glyph_maps.append(GlyphMap(glyph, offset, image_format))
 
-	def end_strike (self):
+	def end_strike(self):
 
-		self.glyph_maps.append (GlyphMap (None, self.tell (), None))
+		self.glyph_maps.append(GlyphMap(None, self.tell(), None))
 		glyph_maps = self.glyph_maps
 		del self.glyph_maps
 		del self.strike_metrics
 		return glyph_maps
 
-	def write_glyphMetrics (self, width, height, big_metrics):
+	def write_glyphMetrics(self, width, height, big_metrics):
 
 		ascent = self.font_metrics.ascent
 		descent = self.font_metrics.descent
@@ -109,15 +114,15 @@ class CBDT:
 
 		x_bearing = 0
 		# center vertically
-		line_height = (ascent + descent) * y_ppem / float (upem)
+		line_height = (ascent + descent) * y_ppem / float(upem)
-		line_ascent = ascent * y_ppem / float (upem)
+		line_ascent = ascent * y_ppem / float(upem)
-		y_bearing = int (round (line_ascent - .5 * (line_height - height)))
+		y_bearing = int(round(line_ascent - .5 * (line_height - height)))
-                # fudge y_bearing if calculations are a bit off
+		# fudge y_bearing if calculations are a bit off
-                if y_bearing == 128:
+		if y_bearing == 128:
-                  y_bearing = 127
+			y_bearing = 127
 		advance = width
 
-		vert_x_bearing = - width / 2
+		vert_x_bearing = -width / 2
 		vert_y_bearing = 0
 		vert_advance = height
 
@@ -129,130 +134,131 @@ class CBDT:
 		# CHAR	horiBearingX
 		# CHAR	horiBearingY
 		# BYTE	horiAdvance
-                # add for bigGlyphMetrics:
+		# add for bigGlyphMetrics:
 		# CHAR	vertBearingX
 		# CHAR	vertBearingY
 		# BYTE	vertAdvance
-                try:
+		try:
-                  if big_metrics:
+			if big_metrics:
-                        self.write (struct.pack ("BBbbBbbB",
+				self.write(
-					 height, width,
+					struct.pack("BBbbBbbB", height, width, x_bearing,
-					 x_bearing, y_bearing,
+								y_bearing, advance, vert_x_bearing,
-					 advance,
+								vert_y_bearing, vert_advance))
-					 vert_x_bearing, vert_y_bearing,
+			else:
-					 vert_advance))
+				self.write(
-                  else:
+					struct.pack("BBbbB", height, width, x_bearing, y_bearing,
-                        self.write (struct.pack ("BBbbB",
+								advance))
-					 height, width,
+		except Exception as e:
-					 x_bearing, y_bearing,
+			raise ValueError("%s, h: %d w: %d x: %d y: %d %d a:" %
-					 advance))
+							 (e, height, width, x_bearing, y_bearing, advance))
-                except Exception as e:
-                  raise ValueError("%s, h: %d w: %d x: %d y: %d %d a:" % (
-                      e, height, width, x_bearing, y_bearing, advance))
 
-	def write_format1 (self, png):
+	def write_format1(self, png):
 
 		import cairo
-		img = cairo.ImageSurface.create_from_png (png.stream ())
+		img = cairo.ImageSurface.create_from_png(png.stream())
-		if img.get_format () != cairo.FORMAT_ARGB32:
+		if img.get_format() != cairo.FORMAT_ARGB32:
-			raise Exception ("Expected FORMAT_ARGB32, but image has format %d" % img.get_format ())
+			raise Exception("Expected FORMAT_ARGB32, but image has format %d" %
+							img.get_format())
 
-		width = img.get_width ()
+		width = img.get_width()
-		height = img.get_height ()
+		height = img.get_height()
-		stride = img.get_stride ()
+		stride = img.get_stride()
-		data = img.get_data ()
+		data = img.get_data()
 
-		self.write_smallGlyphMetrics (width, height)
+		self.write_smallGlyphMetrics(width, height)
 
 		if sys.byteorder == "little" and stride == width * 4:
 			# Sweet.  Data is in desired format, ship it!
-			self.write (data)
+			self.write(data)
 			return
 
 		# Unexpected stride or endianness, do it the slow way
 		offset = 0
-		for y in range (height):
+		for y in range(height):
-			for x in range (width):
+			for x in range(width):
-				pixel = data[offset + 4 * x: offset + 4 * (x + 1)]
+				pixel = data[offset + 4 * x:offset + 4 * (x + 1)]
 				# Convert to little endian
-				pixel = struct.pack ("<I", struct.unpack ("@I", pixel)[0])
+				pixel = struct.pack("<I", struct.unpack("@I", pixel)[0])
-				self.write (pixel)
+				self.write(pixel)
 			offset += stride
 
-	png_allowed_chunks =  ["IHDR", "PLTE", "tRNS", "sRGB", "IDAT", "IEND"]
+	png_allowed_chunks = ["IHDR", "PLTE", "tRNS", "sRGB", "IDAT", "IEND"]
 
-	def write_format17 (self, png):
+	def write_format17(self, png):
-                self.write_format17or18(png, False)
+		self.write_format17or18(png, False)
 
-        def write_format18 (self, png):
+	def write_format18(self, png):
-                self.write_format17or18(png, True)
+		self.write_format17or18(png, True)
 
-	def write_format17or18 (self, png, big_metrics):
+	def write_format17or18(self, png, big_metrics):
-		width, height = png.get_size ()
+		width, height = png.get_size()
 
 		if 'keep_chunks' not in self.options:
-			png = png.filter_chunks (self.png_allowed_chunks)
+			png = png.filter_chunks(self.png_allowed_chunks)
 
-		self.write_glyphMetrics (width, height, big_metrics)
+		self.write_glyphMetrics(width, height, big_metrics)
 
-		png_data = png.data ()
+		png_data = png.data()
 		# ULONG data length
-		self.write (struct.pack(">L", len (png_data)))
+		self.write(struct.pack(">L", len(png_data)))
-		self.write (png_data)
+		self.write(png_data)
 
-	def image_write_func (self, image_format):
+	def image_write_func(self, image_format):
 		if image_format == 1: return self.write_format1
-                if image_format == 17: return self.write_format17
+		if image_format == 17: return self.write_format17
 		if image_format == 18: return self.write_format18
 		return None
 
 
 # Based on http://www.microsoft.com/typography/otspec/eblc.htm
 class CBLC:
-
+	def __init__(self, font_metrics, options=(), stream=None):
-	def __init__ (self, font_metrics, options = (), stream = None):
+		self.stream = stream if stream != None else bytearray()
-		self.stream = stream if stream != None else bytearray ()
 		self.streams = []
 		self.options = options
 		self.font_metrics = font_metrics
 		self.base_offset = 0
-		self.base_offset = self.tell ()
+		self.base_offset = self.tell()
 
-	def tell (self):
+	def tell(self):
-		return len (self.stream) - self.base_offset
+		return len(self.stream) - self.base_offset
-	def write (self, data):
+
-		self.stream.extend (data)
+	def write(self, data):
-	def data (self):
+		self.stream.extend(data)
+
+	def data(self):
 		return self.stream
-	def push_stream (self, stream):
+
-		self.streams.append (self.stream)
+	def push_stream(self, stream):
+		self.streams.append(self.stream)
 		self.stream = stream
-	def pop_stream (self):
+
+	def pop_stream(self):
 		stream = self.stream
-		self.stream = self.streams.pop ()
+		self.stream = self.streams.pop()
 		return stream
 
-	def write_header (self):
+	def write_header(self):
-		self.write (struct.pack (">L", 0x00030000)) # FIXED version
+		self.write(struct.pack(">L", 0x00030000))  # FIXED version
 
-	def start_strikes (self, num_strikes):
+	def start_strikes(self, num_strikes):
 		self.num_strikes = num_strikes
-		self.write (struct.pack (">L", self.num_strikes)) # ULONG numSizes
+		self.write(struct.pack(">L", self.num_strikes))  # ULONG numSizes
-		self.bitmapSizeTables = bytearray ()
+		self.bitmapSizeTables = bytearray()
-		self.otherTables = bytearray ()
+		self.otherTables = bytearray()
 
-	def write_strike (self, strike_metrics, glyph_maps):
+	def write_strike(self, strike_metrics, glyph_maps):
 		self.strike_metrics = strike_metrics
-		self.write_bitmapSizeTable (glyph_maps)
+		self.write_bitmapSizeTable(glyph_maps)
 		del self.strike_metrics
 
-	def end_strikes (self):
+	def end_strikes(self):
-		self.write (self.bitmapSizeTables)
+		self.write(self.bitmapSizeTables)
-		self.write (self.otherTables)
+		self.write(self.otherTables)
 		del self.bitmapSizeTables
 		del self.otherTables
 
-	def write_sbitLineMetrics_hori (self):
+	def write_sbitLineMetrics_hori(self):
 
 		ascent = self.font_metrics.ascent
 		descent = self.font_metrics.descent
@@ -273,33 +279,43 @@ class CBLC:
 		# CHAR	minAfterBL
 		# CHAR	pad1
 		# CHAR	pad2
-		line_height = div ((ascent + descent) * y_ppem, upem)
+		line_height = div((ascent + descent) * y_ppem, upem)
-		ascent = div (ascent * y_ppem, upem)
+		ascent = div(ascent * y_ppem, upem)
-		descent = - (line_height - ascent)
+		descent = -(line_height - ascent)
-		self.write (struct.pack ("bbBbbbbbbbbb",
+		self.write(
-					 ascent, descent,
+			struct.pack(
-					 self.strike_metrics.width,
+				"bbBbbbbbbbbb",
-					 0, 0, 0,
+				ascent,
-					 0, 0, 0, 0, # TODO
+				descent,
-					 0, 0))
+				self.strike_metrics.width,
+				0,
+				0,
+				0,
+				0,
+				0,
+				0,
+				0,  # TODO
+				0,
+				0))
 
-	def write_sbitLineMetrics_vert (self):
+	def write_sbitLineMetrics_vert(self):
-		self.write_sbitLineMetrics_hori () # XXX
+		self.write_sbitLineMetrics_hori()  # XXX
 
-	def write_indexSubTable1 (self, glyph_maps):
+	def write_indexSubTable1(self, glyph_maps):
 
 		image_format = glyph_maps[0].image_format
 
-		self.write (struct.pack(">H", 1)) # USHORT indexFormat
+		self.write(struct.pack(">H", 1))  # USHORT indexFormat
-		self.write (struct.pack(">H", image_format)) # USHORT imageFormat
+		self.write(struct.pack(">H", image_format))  # USHORT imageFormat
 		imageDataOffset = glyph_maps[0].offset
-		self.write (struct.pack(">L", imageDataOffset)) # ULONG imageDataOffset
+		self.write(struct.pack(">L", imageDataOffset))  # ULONG imageDataOffset
 		for gmap in glyph_maps[:-1]:
-			self.write (struct.pack(">L", gmap.offset - imageDataOffset)) # ULONG offsetArray
+			self.write(struct.pack(">L", gmap.offset -
+								   imageDataOffset))  # ULONG offsetArray
 			assert gmap.image_format == image_format
-		self.write (struct.pack(">L", glyph_maps[-1].offset - imageDataOffset))
+		self.write(struct.pack(">L", glyph_maps[-1].offset - imageDataOffset))
 
-	def write_bitmapSizeTable (self, glyph_maps):
+	def write_bitmapSizeTable(self, glyph_maps):
 
 		# count number of ranges
 		count = 1
@@ -313,8 +329,8 @@ class CBLC:
 			last_image_format = gmap.image_format
 		headersLen = count * 8
 
-		headers = bytearray ()
+		headers = bytearray()
-		subtables = bytearray ()
+		subtables = bytearray()
 		start = glyph_maps[0].glyph
 		start_id = 0
 		last_glyph = start
@@ -322,64 +338,69 @@ class CBLC:
 		last_id = 0
 		for gmap in glyph_maps[1:-1]:
 			if last_glyph + 1 != gmap.glyph or last_image_format != gmap.image_format:
-				headers.extend (struct.pack(">HHL", start, last_glyph, headersLen + len (subtables)))
+				headers.extend(
-				self.push_stream (subtables)
+					struct.pack(">HHL", start, last_glyph,
-				self.write_indexSubTable1 (glyph_maps[start_id:last_id+2])
+								headersLen + len(subtables)))
-				self.pop_stream ()
+				self.push_stream(subtables)
+				self.write_indexSubTable1(glyph_maps[start_id:last_id + 2])
+				self.pop_stream()
 
 				start = gmap.glyph
 				start_id = last_id + 1
 			last_glyph = gmap.glyph
 			last_image_format = gmap.image_format
 			last_id += 1
-		headers.extend (struct.pack(">HHL", start, last_glyph, headersLen + len (subtables)))
+		headers.extend(
-		self.push_stream (subtables)
+			struct.pack(">HHL", start, last_glyph,
-		self.write_indexSubTable1 (glyph_maps[start_id:last_id+2])
+						headersLen + len(subtables)))
-		self.pop_stream ()
+		self.push_stream(subtables)
+		self.write_indexSubTable1(glyph_maps[start_id:last_id + 2])
+		self.pop_stream()
 
-		indexTablesSize = len (headers) + len (subtables)
+		indexTablesSize = len(headers) + len(subtables)
 		numberOfIndexSubTables = count
 		bitmapSizeTableSize = 48 * self.num_strikes
 
-		indexSubTableArrayOffset = 8 + bitmapSizeTableSize + len (self.otherTables)
+		indexSubTableArrayOffset = 8 + bitmapSizeTableSize + len(
+			self.otherTables)
 
-		self.push_stream (self.bitmapSizeTables)
+		self.push_stream(self.bitmapSizeTables)
 		# bitmapSizeTable
 		# Type	Name	Description
 		# ULONG	indexSubTableArrayOffset	offset to index subtable from beginning of CBLC.
-		self.write (struct.pack(">L", indexSubTableArrayOffset))
+		self.write(struct.pack(">L", indexSubTableArrayOffset))
 		# ULONG	indexTablesSize	number of bytes in corresponding index subtables and array
-		self.write (struct.pack(">L", indexTablesSize))
+		self.write(struct.pack(">L", indexTablesSize))
 		# ULONG	numberOfIndexSubTables	an index subtable for each range or format change
-		self.write (struct.pack(">L", numberOfIndexSubTables))
+		self.write(struct.pack(">L", numberOfIndexSubTables))
 		# ULONG	colorRef	not used; set to 0.
-		self.write (struct.pack(">L", 0))
+		self.write(struct.pack(">L", 0))
 		# sbitLineMetrics	hori	line metrics for text rendered horizontally
-		self.write_sbitLineMetrics_hori ()
+		self.write_sbitLineMetrics_hori()
-		self.write_sbitLineMetrics_vert ()
+		self.write_sbitLineMetrics_vert()
 		# sbitLineMetrics	vert	line metrics for text rendered vertically
 		# USHORT	startGlyphIndex	lowest glyph index for this size
-		self.write (struct.pack(">H", glyph_maps[0].glyph))
+		self.write(struct.pack(">H", glyph_maps[0].glyph))
 		# USHORT	endGlyphIndex	highest glyph index for this size
-		self.write (struct.pack(">H", glyph_maps[-2].glyph))
+		self.write(struct.pack(">H", glyph_maps[-2].glyph))
 		# BYTE	ppemX	horizontal pixels per Em
-		self.write (struct.pack(">B", self.strike_metrics.x_ppem))
+		self.write(struct.pack(">B", self.strike_metrics.x_ppem))
 		# BYTE	ppemY	vertical pixels per Em
-		self.write (struct.pack(">B", self.strike_metrics.y_ppem))
+		self.write(struct.pack(">B", self.strike_metrics.y_ppem))
 		# BYTE	bitDepth	the Microsoft rasterizer v.1.7 or greater supports the
 		#			following bitDepth values, as described below: 1, 2, 4, and 8.
-		self.write (struct.pack(">B", 32))
+		self.write(struct.pack(">B", 32))
 		# CHAR	flags	vertical or horizontal (see bitmapFlags)
-		self.write (struct.pack(">b", 0x01))
+		self.write(struct.pack(">b", 0x01))
-		self.pop_stream ()
+		self.pop_stream()
 
-		self.push_stream (self.otherTables)
+		self.push_stream(self.otherTables)
-		self.write (headers)
+		self.write(headers)
-		self.write (subtables)
+		self.write(subtables)
-		self.pop_stream ()
+		self.pop_stream()
 
 
-def main (argv):
+def main(argv):
 	import glob
 	from fontTools import ttx, ttLib
 
@@ -389,16 +410,16 @@ def main (argv):
 		"-V": "verbose",
 		"-O": "keep_outlines",
 		"-U": "uncompressed",
-                "-S": "small_glyph_metrics",
+		"-S": "small_glyph_metrics",
 		"-C": "keep_chunks",
 	}
 
-	for key, value in option_map.items ():
+	for key, value in option_map.items():
 		if key in argv:
-			options.append (value)
+			options.append(value)
-			argv.remove (key)
+			argv.remove(key)
 
-	if len (argv) < 4:
+	if len(argv) < 4:
 		print("""
 Usage:
 
@@ -431,55 +452,54 @@ By default they are dropped.
 If -C is given, unused chunks (color profile, etc) are NOT
 dropped from the PNG images when embedding.
 By default they are dropped.
-""", file=sys.stderr)
+""",
-		sys.exit (1)
+			  file=sys.stderr)
+		sys.exit(1)
 
 	font_file = argv[1]
 	out_file = argv[2]
 	img_prefixes = argv[3:]
 	del argv
 
-	def add_font_table (font, tag, data):
+	def add_font_table(font, tag, data):
-		tab = ttLib.tables.DefaultTable.DefaultTable (tag)
+		tab = ttLib.tables.DefaultTable.DefaultTable(tag)
 		tab.data = str(data)
 		font[tag] = tab
 
-	def drop_outline_tables (font):
+	def drop_outline_tables(font):
 		for tag in ['cvt ', 'fpgm', 'glyf', 'loca', 'prep', 'CFF ', 'VORG']:
 			try:
 				del font[tag]
 			except KeyError:
 				pass
 
-
 	print()
 
-	font = ttx.TTFont (font_file)
+	font = ttx.TTFont(font_file)
 	print("Loaded font '%s'." % font_file)
 
-	font_metrics = FontMetrics (font['head'].unitsPerEm,
+	font_metrics = FontMetrics(font['head'].unitsPerEm, font['hhea'].ascent,
-				    font['hhea'].ascent,
+							   -font['hhea'].descent)
-				    -font['hhea'].descent)
 	print("Font metrics: upem=%d ascent=%d descent=%d." % \
-	      (font_metrics.upem, font_metrics.ascent, font_metrics.descent))
+		  (font_metrics.upem, font_metrics.ascent, font_metrics.descent))
 	glyph_metrics = font['hmtx'].metrics
-	unicode_cmap = font['cmap'].getcmap (3, 10)
+	unicode_cmap = font['cmap'].getcmap(3, 10)
 	if not unicode_cmap:
-		unicode_cmap = font['cmap'].getcmap (3, 1)
+		unicode_cmap = font['cmap'].getcmap(3, 1)
 	if not unicode_cmap:
-		raise Exception ("Failed to find a Unicode cmap.")
+		raise Exception("Failed to find a Unicode cmap.")
 
-	image_format = 1 if 'uncompressed' in options else (17
+	image_format = 1 if 'uncompressed' in options else (
-                if 'small_glyph_metrics' in options else 18)
+		17 if 'small_glyph_metrics' in options else 18)
 
-	ebdt = CBDT (font_metrics, options)
+	ebdt = CBDT(font_metrics, options)
-	ebdt.write_header ()
+	ebdt.write_header()
-	eblc = CBLC (font_metrics, options)
+	eblc = CBLC(font_metrics, options)
-	eblc.write_header ()
+	eblc.write_header()
-	eblc.start_strikes (len (img_prefixes))
+	eblc.start_strikes(len(img_prefixes))
 
-        def is_vs(cp):
+	def is_vs(cp):
-                return cp >= 0xfe00 and cp <= 0xfe0f
+		return cp >= 0xfe00 and cp <= 0xfe0f
 
 	for img_prefix in img_prefixes:
 		print()
@@ -487,85 +507,88 @@ By default they are dropped.
 		img_files = {}
 		glb = "%s*.png" % img_prefix
 		print("Looking for images matching '%s'." % glb)
-		for img_file in glob.glob (glb):
+		for img_file in glob.glob(glb):
-			codes = img_file[len (img_prefix):-4]
+			codes = img_file[len(img_prefix):-4]
 			if "_" in codes:
-				pieces = codes.split ("_")
+				pieces = codes.split("_")
-                                cps = [int(code, 16) for code in pieces]
+				cps = [int(code, 16) for code in pieces]
-				uchars = "".join ([unichr(cp) for cp in cps if not is_vs(cp)])
+				uchars = "".join([unichr(cp) for cp in cps if not is_vs(cp)])
 			else:
-                                cp = int(codes, 16)
+				cp = int(codes, 16)
-                                if is_vs(cp):
+				if is_vs(cp):
-                                        print("ignoring unexpected vs input %04x" % cp)
+					print("ignoring unexpected vs input %04x" % cp)
-                                        continue
+					continue
 				uchars = unichr(cp)
 			img_files[uchars] = img_file
 		if not img_files:
-			raise Exception ("No image files found in '%s'." % glb)
+			raise Exception("No image files found in '%s'." % glb)
-		print("Found images for %d characters in '%s'." % (len (img_files), glb))
+		print("Found images for %d characters in '%s'." %
+			  (len(img_files), glb))
 
 		glyph_imgs = {}
 		advance = width = height = 0
-		for uchars, img_file in img_files.items ():
+		for uchars, img_file in img_files.items():
-			if len (uchars) == 1:
+			if len(uchars) == 1:
-                                try:
+				try:
-                                        glyph_name = unicode_cmap.cmap[ord (uchars)]
+					glyph_name = unicode_cmap.cmap[ord(uchars)]
-                                except:
+				except:
-                                        print("no cmap entry for %x" % ord(uchars))
+					print("no cmap entry for %x" % ord(uchars))
-                                        raise ValueError("%x" % ord(uchars))
+					raise ValueError("%x" % ord(uchars))
 			else:
-				glyph_name = get_glyph_name_from_gsub (uchars, font, unicode_cmap.cmap)
+				glyph_name = get_glyph_name_from_gsub(uchars, font,
-			glyph_id = font.getGlyphID (glyph_name)
+													  unicode_cmap.cmap)
+			glyph_id = font.getGlyphID(glyph_name)
 			glyph_imgs[glyph_id] = img_file
 			if "verbose" in options:
-				uchars_name = ",".join (["%04X" % ord (char) for char in uchars])
+				uchars_name = ",".join(["%04X" % ord(char) for char in uchars])
 				# print "Matched U+%s: id=%d name=%s image=%s" % (
-                                #    uchars_name, glyph_id, glyph_name, img_file)
+				#    uchars_name, glyph_id, glyph_name, img_file)
 
 			advance += glyph_metrics[glyph_name][0]
-			w, h = PNG (img_file).get_size ()
+			w, h = PNG(img_file).get_size()
 			width += w
 			height += h
 
-		glyphs = sorted (glyph_imgs.keys ())
+		glyphs = sorted(glyph_imgs.keys())
 		if not glyphs:
-			raise Exception ("No common characters found between font and '%s'." % glb)
+			raise Exception(
-		print("Embedding images for %d glyphs for this strike." % len (glyphs))
+				"No common characters found between font and '%s'." % glb)
+		print("Embedding images for %d glyphs for this strike." % len(glyphs))
 
-		advance, width, height = (div (x, len (glyphs)) for x in (advance, width, height))
+		advance, width, height = (div(x, len(glyphs))
-		strike_metrics = StrikeMetrics (font_metrics, advance, width, height)
+								  for x in (advance, width, height))
+		strike_metrics = StrikeMetrics(font_metrics, advance, width, height)
 		print("Strike ppem set to %d." % (strike_metrics.y_ppem))
 
-		ebdt.start_strike (strike_metrics)
+		ebdt.start_strike(strike_metrics)
-		ebdt.write_glyphs (glyphs, glyph_imgs, image_format)
+		ebdt.write_glyphs(glyphs, glyph_imgs, image_format)
-		glyph_maps = ebdt.end_strike ()
+		glyph_maps = ebdt.end_strike()
 
-		eblc.write_strike (strike_metrics, glyph_maps)
+		eblc.write_strike(strike_metrics, glyph_maps)
 
 	print()
 
-	ebdt = ebdt.data ()
+	ebdt = ebdt.data()
-	add_font_table (font, 'CBDT', ebdt)
+	add_font_table(font, 'CBDT', ebdt)
-	print("CBDT table synthesized: %d bytes." % len (ebdt))
+	print("CBDT table synthesized: %d bytes." % len(ebdt))
-	eblc.end_strikes ()
+	eblc.end_strikes()
-	eblc = eblc.data ()
+	eblc = eblc.data()
-	add_font_table (font, 'CBLC', eblc)
+	add_font_table(font, 'CBLC', eblc)
-	print("CBLC table synthesized: %d bytes." % len (eblc))
+	print("CBLC table synthesized: %d bytes." % len(eblc))
 
 	print()
 
 	if 'keep_outlines' not in options:
-		drop_outline_tables (font)
+		drop_outline_tables(font)
 		print("Dropped outline ('glyf', 'CFF ') and related tables.")
 
-        # hack removal of cmap pua entry for unknown flag glyph.  If we try to
+	# hack removal of cmap pua entry for unknown flag glyph.  If we try to
-        # remove it earlier, getGlyphID dies.  Need to restructure all of this
+	# remove it earlier, getGlyphID dies.  Need to restructure all of this
-        # code.
+	# code.
-        font_data.delete_from_cmap(font, [0xfe82b])
+	font_data.delete_from_cmap(font, [0xfe82b])
 
-	font.save (out_file)
+	font.save(out_file)
 	print("Output font '%s' generated." % out_file)
 
-
 if __name__ == '__main__':
-	main (sys.argv)
+	main(sys.argv)