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#!/usr/bin/env python3
__doc__ = '''Sync metadata across a family of fonts assuming standard UFO file naming'''
__url__ = 'https://github.com/silnrsi/pysilfont'
__copyright__ = 'Copyright (c) 2017 SIL International (https://www.sil.org)'
__license__ = 'Released under the MIT License (https://opensource.org/licenses/MIT)'
__author__ = 'David Raymond'
from silfont.core import execute
from datetime import datetime
import silfont.ufo as UFO
import os
from xml.etree import ElementTree as ET
argspec = [
('ifont',{'help': 'Input font file'}, {'type': 'infont'}),
('-l','--log',{'help': 'Log file'}, {'type': 'outfile', 'def': '_sync.log'}),
('-s','--single', {'help': 'Sync single UFO against master', 'action': 'store_true', 'default': False},{}),
('-m','--master', {'help': 'Master UFO to sync single UFO against', 'nargs': '?' },{'type': 'infont', 'def': None}),
('-r','--reportonly', {'help': 'Report issues but no updating', 'action': 'store_true', 'default': False},{}),
('-n','--new', {'help': 'append "_new" to file/ufo names', 'action': 'store_true', 'default': False},{}),
('--normalize', {'help': 'output all the fonts to normalize them', 'action': 'store_true', 'default': False},{}),
]
def doit(args) :
standardstyles = ["Regular", "Italic", "Bold", "BoldItalic"]
finfoignore = ["openTypeHeadCreated", "openTypeOS2Panose", "postscriptBlueScale", "postscriptBlueShift",
"postscriptBlueValues", "postscriptOtherBlues", "postscriptStemSnapH", "postscriptStemSnapV", "postscriptForceBold"]
libfields = ["public.postscriptNames", "public.glyphOrder", "com.schriftgestaltung.glyphOrder"]
font = args.ifont
logger = args.logger
singlefont = args.single
mfont = args.master
newfile = "_new" if args.new else ""
reportonly = args.reportonly
updatemessage = " to be updated: " if reportonly else " updated: "
params = args.paramsobj
precision = font.paramset["precision"]
# Increase screen logging level to W unless specific level supplied on command-line
if not(args.quiet or "scrlevel" in params.sets["command line"]) : logger.scrlevel = "W"
# Process UFO name
(path,base) = os.path.split(font.ufodir)
(base,ext) = os.path.splitext(base)
if '-' not in base : logger.log("Non-standard UFO name - must be <family>-<style>", "S")
(family,style) = base.split('-')
styles = [style]
fonts = {}
fonts[style] = font
# Process single and master settings
if singlefont :
if mfont :
mastertext = "Master" # Used in log messages
else : # Check against Regular font from same family
mfont = openfont(params, path, family, "Regular")
if mfont is None : logger.log("No regular font to check against - use -m to specify master font", "S")
mastertext = "Regular"
fonts["Regular"] =mfont
else : # Supplied font must be Regular
if mfont : logger.log("-m --master must only be used with -s --single", "S")
if style != "Regular" : logger.log("Must specify a Regular font unless -s is used", "S")
mastertext = "Regular"
mfont = font
# Check for required fields in master font
mfinfo = mfont.fontinfo
if "familyName" in mfinfo :
spacedfamily = mfinfo["familyName"][1].text
else:
logger.log("No familyName field in " + mastertext, "S")
if "openTypeNameManufacturer" in mfinfo :
manufacturer = mfinfo["openTypeNameManufacturer"][1].text
else:
logger.log("No openTypeNameManufacturer field in " + mastertext, "S")
mlib = mfont.lib
# Open the remaining fonts in the family
if not singlefont :
for style in standardstyles :
if not style in fonts :
fonts[style] = openfont(params, path, family, style) # Will return None if font does not exist
if fonts[style] is not None : styles.append(style)
# Process fonts
psuniqueidlist = []
fieldscopied = False
for style in styles :
font = fonts[style]
if font.UFOversion != "2" : logger.log("This script only works with UFO 2 format fonts","S")
fontname = family + "-" + style
spacedstyle = "Bold Italic" if style == "BoldItalic" else style
spacedname = spacedfamily + " " + spacedstyle
logger.log("************ Processing " + fontname, "P")
ital = True if "Italic" in style else False
bold = True if "Bold" in style else False
# Process fontinfo.plist
finfo=font.fontinfo
fieldlist = list(set(finfo) | set(mfinfo)) # Need all fields from both to detect missing fields
fchanged = False
for field in fieldlist:
action = None; issue = ""; newval = ""
if field in finfo :
elem = finfo[field][1]
tag = elem.tag
text = elem.text
if text is None : text = ""
if tag == "real" : text = processnum(text,precision)
# Field-specific actions
if field not in finfo :
if field not in finfoignore : action = "Copyfield"
elif field == "italicAngle" :
if ital and text == "0" :
issue = "is zero"
action = "Warn"
if not ital and text != "0" :
issue = "is non-zero"
newval = 0
action = "Update"
elif field == "openTypeNameUniqueID" :
newval = manufacturer + ": " + spacedname + ": " + datetime.now().strftime("%Y")
if text != newval :
issue = "Incorrect value"
action = "Update"
elif field == "openTypeOS2WeightClass" :
if bold and text != "700" :
issue = "is not 700"
newval = 700
action = "Update"
if not bold and text != "400" :
issue = "is not 400"
newval = 400
action = "Update"
elif field == "postscriptFontName" :
if text != fontname :
newval = fontname
issue = "Incorrect value"
action = "Update"
elif field == "postscriptFullName" :
if text != spacedname :
newval = spacedname
issue = "Incorrect value"
action = "Update"
elif field == "postscriptUniqueID" :
if text in psuniqueidlist :
issue = "has same value as another font: " + text
action = "Warn"
else :
psuniqueidlist.append(text)
elif field == "postscriptWeightName" :
newval = 'bold' if bold else 'regular'
if text != newval :
issue = "Incorrect value"
action = 'Update'
elif field == "styleMapStyleName" :
if text != spacedstyle.lower() :
newval = spacedstyle.lower()
issue = "Incorrect value"
action = "Update"
elif field in ("styleName", "openTypeNamePreferredSubfamilyName") :
if text != spacedstyle :
newval = spacedstyle
issue = "Incorrect value"
action = "Update"
elif field in finfoignore :
action = "Ignore"
# Warn for fields in this font but not master
elif field not in mfinfo :
issue = "is in " + spacedstyle + " but not in " + mastertext
action = "Warn"
# for all other fields, sync values from master
else :
melem = mfinfo[field][1]
mtag = melem.tag
mtext = melem.text
if mtext is None : mtext = ""
if mtag == 'real' : mtext = processnum(mtext,precision)
if tag in ("real", "integer", "string") :
if mtext != text :
issue = "does not match " + mastertext + " value"
newval = mtext
action = "Update"
elif tag in ("true, false") :
if tag != mtag :
issue = "does not match " + mastertext + " value"
action = "FlipBoolean"
elif tag == "array" : # Assume simple array with just values to compare
marray = mfinfo.getval(field)
array = finfo.getval(field)
if array != marray: action = "CopyArray"
else : logger.log("Non-standard fontinfo field type in " + fontname, "X")
# Now process the actions, create log messages etc
if action is None or action == "Ignore" :
pass
elif action == "Warn" :
logger.log(field + " needs manual correction: " + issue, "W")
elif action == "Error" :
logger.log(field + " needs manual correction: " + issue, "E")
elif action in ("Update", "FlipBoolean", "Copyfield", "CopyArray") : # Updating actions
fchanged = True
message = field + updatemessage
if action == "Update" :
message = message + issue + " Old: '" + text + "' New: '" + str(newval) + "'"
elem.text = newval
elif action == "FlipBoolean" :
newval = "true" if tag == "false" else "false"
message = message + issue + " Old: '" + tag + "' New: '" + newval + "'"
finfo.setelem(field, ET.fromstring("<" + newval + "/>"))
elif action == "Copyfield" :
message = message + "is missing so will be copied from " + mastertext
fieldscopied = True
finfo.addelem(field, ET.fromstring(ET.tostring(mfinfo[field][1])))
elif action == "CopyArray" :
message = message + "Some values different Old: " + str(array) + " New: " + str(marray)
finfo.setelem(field, ET.fromstring(ET.tostring(melem)))
logger.log(message, "W")
else:
logger.log("Uncoded action: " + action + " - oops", "X")
# Process lib.plist - currently just public.postscriptNames and glyph order fields which are all simple dicts or arrays
lib = font.lib
lchanged = False
for field in libfields:
# Check the values
action = None; issue = ""; newval = ""
if field in mlib:
if field in lib:
if lib.getval(field) != mlib.getval(field): # will only work for arrays or dicts with simple values
action = "Updatefield"
else:
action = "Copyfield"
else:
action = "Error" if field == ("public.GlyphOrder", "public.postscriptNames") else "Warn"
issue = field + " not in " + mastertext + " lib.plist"
# Process the actions, create log messages etc
if action is None or action == "Ignore":
pass
elif action == "Warn":
logger.log(field + " needs manual correction: " + issue, "W")
elif action == "Error":
logger.log(field + " needs manual correction: " + issue, "E")
elif action in ("Updatefield", "Copyfield"): # Updating actions
lchanged = True
message = field + updatemessage
if action == "Copyfield":
message = message + "is missing so will be copied from " + mastertext
lib.addelem(field, ET.fromstring(ET.tostring(mlib[field][1])))
elif action == "Updatefield":
message = message + "Some values different"
lib.setelem(field, ET.fromstring(ET.tostring(mlib[field][1])))
logger.log(message, "W")
else:
logger.log("Uncoded action: " + action + " - oops", "X")
# Now update on disk
if not reportonly:
if args.normalize:
font.write(os.path.join(path, family + "-" + style + newfile + ".ufo"))
else: # Just update fontinfo and lib
if fchanged:
filen = "fontinfo" + newfile + ".plist"
logger.log("Writing updated fontinfo to " + filen, "P")
exists = True if os.path.isfile(os.path.join(font.ufodir, filen)) else False
UFO.writeXMLobject(finfo, font.outparams, font.ufodir, filen, exists, fobject=True)
if lchanged:
filen = "lib" + newfile + ".plist"
logger.log("Writing updated lib.plist to " + filen, "P")
exists = True if os.path.isfile(os.path.join(font.ufodir, filen)) else False
UFO.writeXMLobject(lib, font.outparams, font.ufodir, filen, exists, fobject=True)
if fieldscopied :
message = "After updating, UFOsyncMeta will need to be re-run to validate these fields" if reportonly else "Re-run UFOsyncMeta to validate these fields"
logger.log("*** Some fields were missing and so copied from " + mastertext + ". " + message, "P")
return
def openfont(params, path, family, style) : # Only try if directory exists
ufodir = os.path.join(path,family+"-"+style+".ufo")
font = UFO.Ufont(ufodir, params=params) if os.path.isdir(ufodir) else None
return font
def processnum(text, precision) : # Apply same processing to numbers that normalization will
if precision is not None:
val = round(float(text), precision)
if val == int(val) : val = int(val) # Removed trailing decimal .0
text = str(val)
return text
def cmd() : execute("UFO",doit, argspec)
if __name__ == "__main__": cmd()
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