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#!/usr/bin/env python3
__doc__ = '''Copy metadata between fonts in different (related) families
Usually run against the master (regular) font in each family then data synced within family afterwards'''
__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
import silfont.ufo as UFO
from xml.etree import ElementTree as ET
argspec = [
('fromfont',{'help': 'From font file'}, {'type': 'infont'}),
('tofont',{'help': 'To font file'}, {'type': 'infont'}),
('-l','--log',{'help': 'Log file'}, {'type': 'outfile', 'def': '_copymeta.log'}),
('-r','--reportonly', {'help': 'Report issues but no updating', 'action': 'store_true', 'default': False},{})
]
def doit(args) :
fields = ["copyright", "openTypeNameDescription", "openTypeNameDesigner", "openTypeNameDesignerURL", "openTypeNameLicense", # General feilds
"openTypeNameLicenseURL", "openTypeNameManufacturer", "openTypeNameManufacturerURL", "openTypeOS2CodePageRanges",
"openTypeOS2UnicodeRanges", "openTypeOS2VendorID", "trademark",
"openTypeNameVersion", "versionMajor", "versionMinor", # Version fields
"ascender", "descender", "openTypeHheaAscender", "openTypeHheaDescender", "openTypeHheaLineGap", # Design fields
"openTypeOS2TypoAscender", "openTypeOS2TypoDescender", "openTypeOS2TypoLineGap", "openTypeOS2WinAscent", "openTypeOS2WinDescent"]
libfields = ["public.postscriptNames", "public.glyphOrder", "com.schriftgestaltung.glyphOrder"]
fromfont = args.fromfont
tofont = args.tofont
logger = args.logger
reportonly = args.reportonly
updatemessage = " to be updated: " if reportonly else " updated: "
precision = fromfont.paramset["precision"]
# Increase screen logging level to W unless specific level supplied on command-line
if not(args.quiet or "scrlevel" in args.paramsobj.sets["command line"]) : logger.scrlevel = "W"
# Process fontinfo.plist
ffi = fromfont.fontinfo
tfi = tofont.fontinfo
fupdated = False
for field in fields:
if field in ffi :
felem = ffi[field][1]
ftag = felem.tag
ftext = felem.text
if ftag == 'real' : ftext = processnum(ftext,precision)
message = field + updatemessage
if field in tfi : # Need to compare values to see if update is needed
telem = tfi[field][1]
ttag = telem.tag
ttext = telem.text
if ttag == 'real' : ttext = processnum(ttext,precision)
if ftag in ("real", "integer", "string") :
if ftext != ttext :
if field == "openTypeNameLicense" : # Too long to display all
addmess = " Old: '" + ttext[0:80] + "...' New: '" + ftext[0:80] + "...'"
else: addmess = " Old: '" + ttext + "' New: '" + str(ftext) + "'"
telem.text = ftext
logger.log(message + addmess, "W")
fupdated = True
elif ftag in ("true, false") :
if ftag != ttag :
fti.setelem(field, ET.fromstring("<" + ftag + "/>"))
logger.log(message + " Old: '" + ttag + "' New: '" + str(ftag) + "'", "W")
fupdated = True
elif ftag == "array" : # Assume simple array with just values to compare
farray = []
for subelem in felem : farray.append(subelem.text)
tarray = []
for subelem in telem : tarray.append(subelem.text)
if farray != tarray :
tfi.setelem(field, ET.fromstring(ET.tostring(felem)))
logger.log(message + "Some values different Old: " + str(tarray) + " New: " + str(farray), "W")
fupdated = True
else : logger.log("Non-standard fontinfo field type: "+ ftag + " in " + fontname, "S")
else :
tfi.addelem(field, ET.fromstring(ET.tostring(felem)))
logger.log(message + "is missing from destination font so will be copied from source font", "W")
fupdated = True
else: # Field not in from font
if field in tfi :
logger.log( field + " is missing from source font but present in destination font", "E")
else :
logger.log( field + " is in neither font", "W")
# Process lib.plist - currently just public.postscriptNames and glyph order fields which are all simple dicts or arrays
flib = fromfont.lib
tlib = tofont.lib
lupdated = False
for field in libfields:
action = None
if field in flib:
if field in tlib: # Need to compare values to see if update is needed
if flib.getval(field) != tlib.getval(field):
action = "Updatefield"
else:
action = "Copyfield"
else:
action = "Error" if field == ("public.GlyphOrder", "public.postscriptNames") else "Warn"
issue = field + " not in source font 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
lupdated = True
message = field + updatemessage
if action == "Copyfield":
message = message + "is missing so will be copied from source font"
tlib.addelem(field, ET.fromstring(ET.tostring(flib[field][1])))
elif action == "Updatefield":
message = message + "Some values different"
tlib.setelem(field, ET.fromstring(ET.tostring(flib[field][1])))
logger.log(message, "W")
else:
logger.log("Uncoded action: " + action + " - oops", "X")
# Now update on disk
if not reportonly:
if fupdated:
logger.log("Writing updated fontinfo.plist", "P")
UFO.writeXMLobject(tfi, tofont.outparams, tofont.ufodir, "fontinfo.plist", True, fobject=True)
if lupdated:
logger.log("Writing updated lib.plist", "P")
UFO.writeXMLobject(tlib, tofont.outparams, tofont.ufodir, "lib.plist", True, fobject=True)
return
def processnum(text, precision) : # Apply same processing to real 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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