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Merge pull request #170 from Curzy/python3-compatible
Make addSVGtable python 2/3 compatible
This commit is contained in:
Miguel Sousa
GitHub
commit
e672095ae9
269
addSVGtable.py
269
addSVGtable.py
@ -1,4 +1,5 @@
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#!/usr/bin/env python
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#!/usr/bin/env python
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from __future__ import print_function
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"""
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"""
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Adds an SVG table to a TTF or OTF font.
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Adds an SVG table to a TTF or OTF font.
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@ -10,10 +11,10 @@ import sys
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import re
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import re
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try:
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try:
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from fontTools import ttLib, version
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from fontTools import ttLib, version
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except ImportError:
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except ImportError:
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print >> sys.stderr, "ERROR: FontTools Python module is not installed."
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print("ERROR: FontTools Python module is not installed.", file=sys.stderr)
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sys.exit(1)
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sys.exit(1)
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TABLE_TAG = 'SVG '
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TABLE_TAG = 'SVG '
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@ -25,165 +26,191 @@ reWhiteSpace = re.compile(r">\s+<", re.DOTALL)
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def readFile(filePath):
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def readFile(filePath):
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f = open(filePath, "rt")
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f = open(filePath, "rt")
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data = f.read()
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data = f.read()
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f.close()
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f.close()
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return data
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return data
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def setIDvalue(data, gid):
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def setIDvalue(data, gid):
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id = reIDvalue.search(data)
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id = reIDvalue.search(data)
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if id:
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if id:
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newData = re.sub(id.group(1), 'id="glyph%s"' % gid, data)
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newData = re.sub(id.group(1), 'id="glyph{}"'.format(gid), data)
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else:
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else:
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newData = re.sub('<svg', '<svg id="glyph%s"' % gid, data)
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newData = re.sub('<svg', '<svg id="glyph{}"'.format(gid), data)
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return newData
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return newData
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def fixViewBox(data):
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def fixViewBox(data):
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viewBox = reViewBox.search(data)
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viewBox = reViewBox.search(data)
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if not viewBox:
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if not viewBox:
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return data
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return data
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fixedViewBox = 'viewBox=\"0 1000 1000 1000\"'
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fixedViewBox = 'viewBox=\"0 1000 1000 1000\"'
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fixedData = re.sub(viewBox.group(1), fixedViewBox, data)
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fixedData = re.sub(viewBox.group(1), fixedViewBox, data)
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return fixedData
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return fixedData
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def getGlyphNameFromFileName(filePath):
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def getGlyphNameFromFileName(filePath):
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folderPath, fontFileName = os.path.split(filePath)
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folderPath, fontFileName = os.path.split(filePath)
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fileNameNoExtension, fileExtension = os.path.splitext(fontFileName)
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fileNameNoExtension, fileExtension = os.path.splitext(fontFileName)
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return fileNameNoExtension
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return fileNameNoExtension
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def processFontFile(fontFilePath, svgFilePathsList):
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def processFontFile(fontFilePath, svgFilePathsList):
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font = ttLib.TTFont(fontFilePath)
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font = ttLib.TTFont(fontFilePath)
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# first create a dictionary because the SVG glyphs need to be sorted in the table
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# first create a dictionary because the SVG glyphs need to be sorted in the table
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svgDocsDict = {}
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svgDocsDict = {}
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for svgFilePath in svgFilePathsList:
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for svgFilePath in svgFilePathsList:
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gName = getGlyphNameFromFileName(svgFilePath)
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gName = getGlyphNameFromFileName(svgFilePath)
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try:
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try:
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gid = font.getGlyphID(gName)
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gid = font.getGlyphID(gName)
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except KeyError:
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except KeyError:
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print >> sys.stderr, "ERROR: Could not find a glyph named %s in the font %s." % (gName, os.path.split(fontFilePath)[1])
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print(
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continue
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"ERROR: Could not find a glyph named {} in the font {}.".format(
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gName, os.path.split(fontFilePath)[1]
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),
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file=sys.stderr
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)
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continue
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svgItemsList = []
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svgItemsList = []
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svgItemData = readFile(svgFilePath)
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svgItemData = readFile(svgFilePath)
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svgItemData = setIDvalue(svgItemData, gid)
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svgItemData = setIDvalue(svgItemData, gid)
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svgItemData = fixViewBox(svgItemData)
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svgItemData = fixViewBox(svgItemData)
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# Remove all white space between elements
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# Remove all white space between elements
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for whiteSpace in set(reWhiteSpace.findall(svgItemData)):
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for whiteSpace in set(reWhiteSpace.findall(svgItemData)):
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svgItemData = svgItemData.replace(whiteSpace, '><')
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svgItemData = svgItemData.replace(whiteSpace, '><')
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svgItemsList.append(svgItemData.strip())
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svgItemsList.append(svgItemData.strip())
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svgItemsList.extend([gid, gid])
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svgItemsList.extend([gid, gid])
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svgDocsDict[gid] = svgItemsList
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svgDocsDict[gid] = svgItemsList
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# don't do any changes to the source OTF/TTF font if there's no SVG data
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# don't do any changes to the source OTF/TTF font if there's no SVG data
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if not svgDocsDict:
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if not svgDocsDict:
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print >> sys.stderr, "ERROR: Could not find any artwork files that can be added to the font."
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print(
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return
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"ERROR: Could not find any artwork files "
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"that can be added to the font.",
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file=sys.stderr
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)
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return
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svgDocsList = [svgDocsDict[index] for index in sorted(svgDocsDict.keys())]
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svgDocsList = [svgDocsDict[index] for index in sorted(svgDocsDict.keys())]
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svgTable = ttLib.newTable(TABLE_TAG)
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svgTable = ttLib.newTable(TABLE_TAG)
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svgTable.compressed = False # GZIP the SVG docs
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svgTable.compressed = False # GZIP the SVG docs
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svgTable.docList = svgDocsList
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svgTable.docList = svgDocsList
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font[TABLE_TAG] = svgTable
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font[TABLE_TAG] = svgTable
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# FontTools can't overwrite a font on save,
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# FontTools can't overwrite a font on save,
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# so save to a hidden file, and then rename it
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# so save to a hidden file, and then rename it
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# https://github.com/behdad/fonttools/issues/302
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# https://github.com/behdad/fonttools/issues/302
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folderPath, fontFileName = os.path.split(fontFilePath)
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folderPath, fontFileName = os.path.split(fontFilePath)
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fileNameNoExtension, fileExtension = os.path.splitext(fontFileName)
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fileNameNoExtension, fileExtension = os.path.splitext(fontFileName)
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newFontFilePath = os.path.join(folderPath, "%s%s%s" % ('.', fileNameNoExtension, fileExtension))
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newFontFilePath = os.path.join(folderPath, "{}{}{}".format(
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'.', fileNameNoExtension, fileExtension))
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font.save(newFontFilePath)
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font.save(newFontFilePath)
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font.close()
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font.close()
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# On Windows a file can't be renamed to a file that already exists
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# On Windows a file can't be renamed to a file that already exists
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os.remove(fontFilePath)
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os.remove(fontFilePath)
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os.rename(newFontFilePath, fontFilePath)
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os.rename(newFontFilePath, fontFilePath)
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print >> sys.stdout, "SVG table successfully added to %s" % fontFilePath
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print(
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"SVG table successfully added to {}".format(fontFilePath),
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file=sys.stderr
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)
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def validateSVGfiles(svgFilePathsList):
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def validateSVGfiles(svgFilePathsList):
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"""
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"""
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Light validation of SVG files.
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Light validation of SVG files.
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Checks that there is an <svg> element.
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Checks that there is an <svg> element.
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"""
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"""
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validatedPaths = []
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validatedPaths = []
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for filePath in svgFilePathsList:
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for filePath in svgFilePathsList:
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# skip hidden files (filenames that start with period)
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# skip hidden files (filenames that start with period)
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fileName = os.path.basename(filePath)
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fileName = os.path.basename(filePath)
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if fileName[0] == '.':
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if fileName[0] == '.':
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continue
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continue
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# read file
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# read file
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data = readFile(filePath)
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data = readFile(filePath)
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# find <svg> blob
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# find <svg> blob
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svg = reSVGelement.search(data)
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svg = reSVGelement.search(data)
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if not svg:
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if not svg:
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print "WARNING: Could not find <svg> element in the file. Skiping %s" % (filePath)
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print(
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continue
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"WARNING: Could not find <svg> element in the file. "
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"Skiping {}".format(filePath)
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)
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continue
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validatedPaths.append(filePath)
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validatedPaths.append(filePath)
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return validatedPaths
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return validatedPaths
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def getFontFormat(fontFilePath):
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def getFontFormat(fontFilePath):
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# these lines were scavenged from fontTools
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# these lines were scavenged from fontTools
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f = open(fontFilePath, "rb")
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f = open(fontFilePath, "rb")
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header = f.read(256)
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header = f.read(256)
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head = header[:4]
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head = header[:4]
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f.close()
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f.close()
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if head == "OTTO":
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if head == "OTTO":
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return "OTF"
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return "OTF"
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elif head in ("\0\1\0\0", "true"):
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elif head in ("\0\1\0\0", "true"):
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return "TTF"
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return "TTF"
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return None
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return None
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def run():
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def run():
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fontFilePath = os.path.realpath(sys.argv[1])
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fontFilePath = os.path.realpath(sys.argv[1])
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svgFolderPath = os.path.realpath(sys.argv[2])
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svgFolderPath = os.path.realpath(sys.argv[2])
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# Font file path
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# Font file path
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if os.path.isfile(fontFilePath):
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if os.path.isfile(fontFilePath):
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if getFontFormat(fontFilePath) not in ["OTF", "TTF"]:
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if getFontFormat(fontFilePath) not in ["OTF", "TTF"]:
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print >> sys.stderr, "ERROR: The path is not a valid OTF or TTF font."
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print("ERROR: The path is not a valid OTF or TTF font.",
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return
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file=sys.stderr)
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else:
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return
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print >> sys.stderr, "ERROR: The path to the font is invalid."
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else:
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return
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print("ERROR: The path to the font is invalid.",
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file=sys.stderr)
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return
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# SVG folder path
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# SVG folder path
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if os.path.isdir(svgFolderPath):
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if os.path.isdir(svgFolderPath):
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svgFilePathsList = []
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svgFilePathsList = []
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for dirName, subdirList, fileList in os.walk(svgFolderPath): # Support nested folders
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for dirName, subdirList, fileList in os.walk(
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for file in fileList:
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svgFolderPath): # Support nested folders
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svgFilePathsList.append(os.path.join(dirName, file)) # Assemble the full paths, not just file names
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for file in fileList:
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else:
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svgFilePathsList.append(os.path.join(dirName,
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print >> sys.stderr, "ERROR: The path to the folder containing the SVG files is invalid."
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file)) # Assemble the full paths, not just file names
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return
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else:
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print(
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"ERROR: The path to the folder "
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"containing the SVG files is invalid.",
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file=sys.stderr
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)
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return
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# validate the SVGs
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# validate the SVGs
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svgFilePathsList = validateSVGfiles(svgFilePathsList)
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svgFilePathsList = validateSVGfiles(svgFilePathsList)
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if not svgFilePathsList:
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if not svgFilePathsList:
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print >> sys.stderr, "WARNING: No SVG files were found."
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print("WARNING: No SVG files were found.", file=sys.stderr)
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return
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return
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processFontFile(fontFilePath, svgFilePathsList)
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processFontFile(fontFilePath, svgFilePathsList)
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if __name__ == "__main__":
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if __name__ == "__main__":
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if len(sys.argv) != 3:
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if len(sys.argv) != 3:
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print "To run this script type:\n python %s <path to input OTF/TTF file> <path to folder tree containing SVG files>" % sys.argv[0]
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print("To run this script type:\n "
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else:
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"python {} <path to input OTF/TTF file> "
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run()
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"<path to folder tree containing SVG files>".format(sys.argv[0]))
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else:
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run()
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