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#!/usr/bin/env python
__doc__ = '''Export fonts in a GlyphsApp file to UFOs'''
__url__ = 'http://github.com/silnrsi/pysilfont'
__copyright__ = 'Copyright (c) 2017 SIL International (http://www.sil.org)'
__license__ = 'Released under the MIT License (http://opensource.org/licenses/MIT)'
__author__ = 'Victor Gaultney'
from silfont.core import execute
from silfont.ufo import obsoleteLibKeys
import glyphsLib
import silfont.ufo
import silfont.etutil
from io import open
import os, shutil
argspec = [
('glyphsfont', {'help': 'Input font file'}, {'type': 'filename'}),
('masterdir', {'help': 'Output directory for masters'}, {}),
('--nofixes', {'help': 'Bypass code fixing data', 'action': 'store_true', 'default': False}, {}),
('--nofea', {'help': "Don't output features.fea", 'action': 'store_true', 'default': False}, {}),
('--preservefea', {'help': "Retain the original features.fea in the UFO", 'action': 'store_true', 'default': False}, {}),
('-l', '--log', {'help': 'Log file'}, {'type': 'outfile', 'def': '_glyphs2ufo.log'}),
('-r', '--restore', {'help': 'List of extra keys to restore to fontinfo.plist or lib.plist'}, {})]
def doit(args):
logger = args.logger
logger.log("Creating UFO objects from GlyphsApp file", "I")
with open(args.glyphsfont, 'r', encoding='utf-8') as gfile:
gfont = glyphsLib.parser.load(gfile)
ufos = glyphsLib.to_ufos(gfont, include_instances=False, family_name=None, propagate_anchors=False, generate_GDEF=False)
# Extract directory name for use with restores
(glyphsdir, filen) = os.path.split(args.glyphsfont)
keylists = {
"librestorekeys": ["org.sil.pysilfontparams", "org.sil.altLineMetrics", "org.sil.lcg.toneLetters",
"org.sil.lcg.transforms", "public.glyphOrder", "public.postscriptNames",
"com.schriftgestaltung.disablesLastChange", "com.schriftgestaltung.disablesAutomaticAlignment",
"public.skipExportGlyphs"],
"libdeletekeys": ("com.schriftgestaltung.customParameter.GSFont.copyright",
"com.schriftgestaltung.customParameter.GSFont.designer",
"com.schriftgestaltung.customParameter.GSFont.manufacturer",
"com.schriftgestaltung.customParameter.GSFont.note",
"com.schriftgestaltung.customParameter.GSFont.Axes",
"com.schriftgestaltung.customParameter.GSFont.Axis Mappings",
"com.schriftgestaltung.customParameter.GSFontMaster.Master Name"),
"libdeleteempty": ("com.schriftgestaltung.DisplayStrings",),
"inforestorekeys": ["openTypeHeadCreated", "openTypeNamePreferredFamilyName", "openTypeNamePreferredSubfamilyName",
"openTypeNameUniqueID", "openTypeOS2WeightClass", "openTypeOS2WidthClass", "postscriptFontName",
"postscriptFullName", "styleMapFamilyName", "styleMapStyleName", "note",
"woffMetadataCredits", "woffMetadataDescription"],
"integerkeys": ("openTypeOS2WeightClass", "openTypeOS2WidthClass"),
"infodeletekeys": ("openTypeVheaVertTypoAscender", "openTypeVheaVertTypoDescender", "openTypeVheaVertTypoLineGap"),
# "infodeleteempty": ("openTypeOS2Selection",)
}
if args.restore: # Extra keys to restore. Add to both lists, since should never be duplicated names
keylist = args.restore.split(",")
keylists["librestorekeys"] += keylist
keylists["inforestorekeys"].append(keylist)
loglists = []
obskeysfound={}
for ufo in ufos:
loglists.append(process_ufo(ufo, keylists, glyphsdir, args, obskeysfound))
for loglist in loglists:
for logitem in loglist: logger.log(logitem[0], logitem[1])
if obskeysfound:
logmess = "The following obsolete keys were found. They may have been in the original UFO or you may have an old version of glyphsLib installed\n"
for fontname in obskeysfound:
keys = obskeysfound[fontname]
logmess += " " + fontname + ": "
for key in keys:
logmess += key + ", "
logmess += "\n"
logger.log(logmess, "E")
def process_ufo(ufo, keylists, glyphsdir, args, obskeysfound):
loglist=[]
# sn = ufo.info.styleName # )
# sn = sn.replace("Italic Italic", "Italic") # ) Temp fixes due to glyphLib incorrectly
# sn = sn.replace("Italic Bold Italic", "Bold Italic") # ) forming styleName
# sn = sn.replace("Extra Italic Light Italic", "Extra Light Italic") # )
# ufo.info.styleName = sn # )
fontname = ufo.info.familyName.replace(" ", "") + "-" + ufo.info.styleName.replace(" ", "")
# Fixes to the data
if not args.nofixes:
loglist.append(("Fixing data in " + fontname, "P"))
# lib.plist processing
loglist.append(("Checking lib.plist", "P"))
# Restore values from original UFOs, assuming named as <fontname>.ufo in same directory as input .gylphs file
ufodir = os.path.join(glyphsdir, fontname + ".ufo")
try:
origlibplist = silfont.ufo.Uplist(font=None, dirn=ufodir, filen="lib.plist")
except Exception as e:
loglist.append(("Unable to open lib.plist in " + ufodir + "; values will not be restored", "E"))
origlibplist = None
if origlibplist is not None:
for key in keylists["librestorekeys"]:
current = None if key not in ufo.lib else ufo.lib[key]
if key in origlibplist:
new = origlibplist.getval(key)
if current == new:
continue
else:
ufo.lib[key] = new
logchange(loglist, " restored from backup ufo. ", key, current, new)
elif current:
ufo.lib[key] = None
logchange(loglist, " removed since not in backup ufo. ", key, current, None)
# Delete unneeded keys
for key in keylists["libdeletekeys"]:
if key in ufo.lib:
current = ufo.lib[key]
del ufo.lib[key]
logchange(loglist, " deleted. ", key, current, None)
for key in keylists["libdeleteempty"]:
if key in ufo.lib and (ufo.lib[key] == "" or ufo.lib[key] == []):
current = ufo.lib[key]
del ufo.lib[key]
logchange(loglist, " empty field deleted. ", key, current, None)
# Check for obsolete keys
for key in obsoleteLibKeys:
if key in ufo.lib:
if fontname not in obskeysfound: obskeysfound[fontname] = []
obskeysfound[fontname].append(key)
# Special processing for Axis Mappings
#key = "com.schriftgestaltung.customParameter.GSFont.Axis Mappings"
#if key in ufo.lib:
# current =ufo.lib[key]
# new = dict(current)
# for x in current:
# val = current[x]
# k = list(val.keys())[0]
# if k[-2:] == ".0": new[x] = {k[0:-2]: val[k]}
# if current != new:
# ufo.lib[key] = new
# logchange(loglist, " key names set to integers. ", key, current, new)
# Special processing for ufo2ft filters
key = "com.github.googlei18n.ufo2ft.filters"
if key in ufo.lib:
current = ufo.lib[key]
new = list(current)
for x in current:
if x["name"] == "eraseOpenCorners":
new.remove(x)
if current != new:
if new == []:
del ufo.lib[key]
else:
ufo.lib[key] = new
logchange(loglist, " eraseOpenCorners filter removed ", key, current, new)
# fontinfo.plist processing
loglist.append(("Checking fontinfo.plist", "P"))
try:
origfontinfo = silfont.ufo.Uplist(font=None, dirn=ufodir, filen="fontinfo.plist")
except Exception as e:
loglist.append(("Unable to open fontinfo.plist in " + ufodir + "; values will not be restored", "E"))
origfontinfo = None
if origfontinfo is not None:
for key in keylists["inforestorekeys"]:
current = None if not hasattr(ufo.info, key) else getattr(ufo.info, key)
if key in origfontinfo:
new = origfontinfo.getval(key)
if key in keylists["integerkeys"]: new = int(new)
if current == new:
continue
else:
setattr(ufo.info, key, new)
logchange(loglist, " restored from backup ufo. ", key, current, new)
elif current:
setattr(ufo.info, key, None)
logchange(loglist, " removed since not in backup ufo. ", key, current, None)
if getattr(ufo.info, "italicAngle") == 0: # Remove italicAngle if 0
setattr(ufo.info, "italicAngle", None)
logchange(loglist, " removed", "italicAngle", 0, None)
# Delete unneeded keys
for key in keylists["infodeletekeys"]:
if hasattr(ufo.info, key):
current = getattr(ufo.info, key)
setattr(ufo.info, key, None)
logchange(loglist, " deleted. ", key, current, None)
# for key in keylists["infodeleteempty"]:
# if hasattr(ufo.info, key) and getattr(ufo.info, key) == "":
# setattr(ufo.info, key, None)
# logchange(loglist, " empty field deleted. ", key, current, None)
if args.nofea or args.preservefea: ufo.features.text = "" # Suppress output of features.fea
for layer in ufo.layers:
for glyph in layer:
lib = glyph.lib
if "public.verticalOrigin" in lib: del lib["public.verticalOrigin"]
# Write ufo out
ufopath = os.path.join(args.masterdir, fontname + ".ufo")
if args.preservefea: # Move features.fea out of the ufo so that it can be restored afterward
origfea = os.path.join(ufopath, "features.fea")
hiddenfea = os.path.join(args.masterdir, fontname + "features.tmp")
if os.path.exists(origfea):
loglist.append((f'Renaming {origfea} to {hiddenfea}', "I"))
os.rename(origfea, hiddenfea)
else:
loglist.append((f"{origfea} does not exists so can't be restored", "E"))
origfea = None
loglist.append(("Writing out " + ufopath, "P"))
if os.path.exists(ufopath): shutil.rmtree(ufopath)
ufo.save(ufopath)
if args.preservefea and origfea:
loglist.append((f'Renaming {hiddenfea} back to {origfea}', "I"))
os.rename(hiddenfea, origfea)
# Now correct the newly-written fontinfo.plist with changes that can't be made via glyphsLib
if not args.nofixes:
fontinfo = silfont.ufo.Uplist(font=None, dirn=ufopath, filen="fontinfo.plist")
changes = False
for key in ("guidelines", "postscriptBlueValues", "postscriptFamilyBlues", "postscriptFamilyOtherBlues",
"postscriptOtherBlues"):
if key in fontinfo and fontinfo.getval(key) == []:
fontinfo.remove(key)
changes = True
logchange(loglist, " empty list deleted", key, None, [])
if changes:
# Create outparams. Just need any valid values, since font will need normalizing later
params = args.paramsobj
paramset = params.sets["main"]
outparams = {"attribOrders": {}}
for parn in params.classes["outparams"]: outparams[parn] = paramset[parn]
loglist.append(("Writing updated fontinfo.plist", "I"))
silfont.ufo.writeXMLobject(fontinfo, params=outparams, dirn=ufopath, filen="fontinfo.plist", exists=True,
fobject=True)
return loglist
def logchange(loglist, logmess, key, old, new):
oldstr = str(old) if len(str(old)) < 22 else str(old)[0:20] + "..."
newstr = str(new) if len(str(new)) < 22 else str(new)[0:20] + "..."
logmess = key + logmess
if old is None:
logmess = logmess + " New value: " + newstr
else:
if new is None:
logmess = logmess + " Old value: " + oldstr
else:
logmess = logmess + " Old value: " + oldstr + ", new value: " + newstr
loglist.append((logmess, "I"))
# Extra verbose logging
if len(str(old)) > 21 :
loglist.append(("Full old value: " + str(old), "V"))
if len(str(new)) > 21 :
loglist.append(("Full new value: " + str(new), "V"))
loglist.append(("Types: Old - " + str(type(old)) + ", New - " + str(type(new)), "V"))
def cmd(): execute(None, doit, argspec)
if __name__ == "__main__": cmd()
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