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import sys, os, os.path, re, argparse, pprint, shutil
import yaml
try:
from yaml import CLoader as YamlLoader, CDumper as YamlDumper
except ImportError:
from yaml import Loader as YamlLoader, Dumper as YamlDumper
from collections import OrderedDict
from multiprocessing import Pool
from fontTools.ttLib import TTFont
TODO_PRINTS = dict()
def getName(nametab: object, nameID: int) -> str:
return nametab.getName(nameID, 3, 1).toUnicode()
def read_stat_table(filename: str) -> {str:dict}:
font = TTFont(filename, recalcBBoxes=False, recalcTimestamp=False)
nametab = font["name"]
stattab = font["STAT"].table.__dict__
designAxisRecord = stattab['DesignAxisRecord'].Axis
axisValueArray = stattab['AxisValueArray'].AxisValue
axes = OrderedDict()
axesArray = []
for r in designAxisRecord:
tag = str(r.AxisTag)
axis = dict(
tag = tag,
name = getName(nametab, r.AxisNameID),
values = [],
)
axesArray.append(axis)
axes[tag] = axis
for r in axisValueArray:
axis = axesArray[r.AxisIndex]
format = r.Format
value = dict(
axisIndex = r.AxisIndex,
format = format,
flags = r.Flags,
name = getName(nametab, r.ValueNameID),
)
if format == 1:
value['value'] = r.Value
elif format == 2:
value['value'] = r.NominalValue
value['rangeMaxValue'] = r.RangeMaxValue
value['rangeMinValue'] = r.RangeMinValue
elif format == 3:
value['value'] = r.Value
value['linkedValue'] = r.LinkedValue
elif format == 4:
if not TODO_PRINTS.get('format4'):
TODO_PRINTS['format4'] = True
print('TODO: implement support for format 4 STAT records', file=sys.stderr)
axis['values'].append(value)
version = stattab['Version'] # e.g. 0x00010002 for 1.2
return dict(
version = '%d.%d' % (version >> 16, version & 0xffff),
axes = axes,
elidedFallbackName = getName(nametab, stattab['ElidedFallbackNameID']),
)
def fmtstructured(tables: [dict], files: [str], cl: dict) -> str:
doc = {}
for i, tab in enumerate(tables):
file = files[i]
doc[file] = dict(tab)
cols = shutil.get_terminal_size((80, 20)).columns
if cl.format == 'yaml':
return yaml.dump(doc, Dumper=YamlDumper, width=cols)
return pprint.PrettyPrinter(indent=2, width=cols).pformat(doc)
def fmtplaintext(out: [str], header: [str], rows: [[str]], cl: dict) -> str:
# calculate width needed for columns
colw = [0] * len(header)
for i, s in enumerate(header):
colw[i] = max(colw[i], len(s))
colw2 = [0] * len(header)
for row in rows:
for i, s in enumerate(row):
colw[i] = max(colw[i], len(s))
colw2[i] = max(colw2[i], len(s))
# elide empty columns
if 0 in colw2:
emptyColsIndices = set([i for i, w in enumerate(colw2) if w == 0])
header = [s for i, s in enumerate(header) if colw2[i] > 0]
rows2 = []
for row in rows:
row2 = []
for i, val in enumerate(row):
if i not in emptyColsIndices:
row2.append(val)
rows2.append(row2)
rows = rows2
colw = [w for i, w in enumerate(colw) if colw2[i] > 0]
colglue, divglue, divchar = ' │ ', '─┼─', '─'
row_prefix, row_suffix, div_prefix = '', '\n', ''
if cl.format == 'md':
colglue, divglue, divchar = ' | ', ' | ', '-'
row_prefix, row_suffix, div_prefix = '| ', ' |\n', ':'
def format_row(row):
out.append(row_prefix)
out.append(colglue.join(['%-*s' % (colw[i], s) for i, s in enumerate(row)]))
out.append(row_suffix)
def format_divider():
out.append(row_prefix)
xs = [div_prefix + (divchar * (colw[i] - len(div_prefix))) for i in range(len(colw))]
out.append(divglue.join(xs))
out.append(row_suffix)
format_row(header)
format_divider()
for row in rows:
format_row(row)
def format_stat(tables: [dict], files: [str], cl: dict) -> str:
if cl.format in ('yaml', 'py'):
return fmtstructured(tables, files, cl)
out = []
uniqueAxes = OrderedDict()
for tab in tables:
for a in tab["axes"].values():
uniqueAxes[a['tag']] = a['name']
rubric_prefix, rubric_suffix = '', '\n'
if cl.format == 'md':
rubric_prefix, rubric_suffix = '### ', '\n\n'
header = ['name', 'value', 'minval', 'maxval', 'linkval', 'format', 'flags', 'file']
for axisTag, axisName in uniqueAxes.items():
out.append(f"{rubric_prefix}{axisTag} ({axisName}){rubric_suffix}")
rows = []
for i, tab in enumerate(tables):
file = files[i]
axis = tab["axes"].get(axisTag)
if not axis:
continue
for v in axis['values']:
row = [
v['name'],
str(v['value']),
str(v.get('rangeMinValue', '')),
str(v.get('rangeMaxValue', '')),
str(v.get('linkedValue', '')),
str(v['format']),
str(v['flags']),
file,
]
rows.append(row)
fmtplaintext(out, header, rows, cl)
out.append('\n')
if len(uniqueAxes) > 0:
out.pop() # undo last \n
return ''.join(out)
if __name__ == '__main__':
argparser = argparse.ArgumentParser(description='Print STAT table entries')
a = lambda *args, **kwargs: argparser.add_argument(*args, **kwargs)
a('-f', '--format', metavar='<format>', help='One of: plain, yaml, py, md')
a('inputs', metavar='<file>', nargs='+', help='Input fonts (ttf or otf)')
cl = argparser.parse_args()
if cl.format not in (None, 'plain', 'yaml', 'py', 'md'):
raise Exception(f'unknown format: "{cl.format}"')
with Pool() as p:
tables = p.map(read_stat_table, cl.inputs)
# print(pprint.PrettyPrinter(indent=2).pformat(tables[0]))
filenames = [os.path.basename(fn) for fn in cl.inputs]
print(format_stat(tables, filenames, cl))
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