new test builds 2.020;DEV-012616

pull/198/head
Chris Simpkins 2016-01-26 00:52:37 +07:00
parent 5e43f48752
commit 0aadff77ba
11 changed files with 230 additions and 148 deletions

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# ------------------------------------------------------------------------------
# font-tables.py
# Copyright 2015 Christopher Simpkins
# MIT license
# ------------------------------------------------------------------------------
import sys
import os
import os.path
import hashlib
from fontTools import ttLib
# TODO: expand Python objects within the table values
# TODO: modify TTFA table read to create YAML format from the strings
def main(fontpaths):
"""The main function creates a YAML formatted report on the OpenType tables in one
or more fonts included in the fontpaths function parameter.
:param fontpaths: """
# create a report directory, gracefully fail if it already exists
if not os.path.isdir("otreports"):
os.mkdir("otreports")
# iterate through fonts requested in the command
for fontpath in fontpaths:
if os.path.isfile(fontpath):
# create a fonttools TTFont object using the fontpath
tt = ttLib.TTFont(fontpath)
print("Processing " + fontpath + "...")
# define the outfile path
basename = os.path.basename(fontpath)
basefilename = basename + "-TABLES.yaml"
outfilepath = os.path.join("otreports", basefilename)
# read the font data and create a SHA1 hash digest for the report
fontdata = read_bin(fontpath)
hash_digest = hashlib.sha1(fontdata).hexdigest()
# report strings for file name and SHA1 digest
report_header_string = "FILE: " + fontpath + "\n"
report_header_string += "SHA1: " + hash_digest + "\n\n"
# open outfile write stream, create file, write name + SHA1 header
with open(outfilepath, "w") as writer:
writer.write(report_header_string)
# iterate through the OpenType tables, write table fields in a newline delimited format with YAML syntax
for table in tt.keys():
table_dict = tt[table].__dict__
if len(table_dict) > 0:
table_string = yaml_formatter(table, table_dict)
with open(outfilepath, 'a') as appender:
appender.write(table_string)
print("[✓] " + table)
else:
print("[E] " + table) # indicate missing table data in standard output, do not write to YAML file
print(fontpath + " table report is available in " + outfilepath + "\n")
else: # not a valid filepath
sys.stderr.write("Error: '" + fontpath + "' was not found. Please check the filepath.\n\n")
def yaml_formatter(table_name, table_dict):
"""Creates a YAML formatted string for OpenType table font reports"""
# define the list of tables that require table-specific processing
special_table_list = ['name', 'OS/2', 'TTFA']
if table_name in special_table_list:
if table_name == "name":
return name_yaml_formatter(table_dict)
elif table_name == "OS/2":
return os2_yaml_formatter(table_dict)
elif table_name == "TTFA":
return ttfa_yaml_formatter(table_dict)
else:
table_string = table_name.strip() + ": {\n"
for field in table_dict.keys():
table_string = table_string + (" " * 4) + field + ": " + str(table_dict[field]) + ',\n'
table_string += "}\n\n"
return table_string
def name_yaml_formatter(table_dict):
"""Formats the YAML table string for OpenType name tables"""
table_string = "name: {\n"
namerecord_list = table_dict['names']
for record in namerecord_list:
if record.__dict__['langID'] == 0:
record_name = str(record.__dict__['nameID'])
else:
record_name = str(record.__dict__['nameID']) + "u"
record_field = (" " * 4) + "nameID" + record_name
table_string = table_string + record_field + ": " + str(record.__dict__) + ",\n"
table_string = table_string + "}\n\n"
return table_string
def os2_yaml_formatter(table_dict):
"""Formats the YAML table string for OpenType OS/2 tables"""
table_string = "OS/2: {\n"
for field in table_dict.keys():
if field == "panose":
table_string = table_string + (" "*4) + field + ": {\n"
panose_string = ""
panose_dict = table_dict['panose'].__dict__
for panose_field in panose_dict.keys():
panose_string = panose_string + (" " * 8) + panose_field[1:] + ": " + str(panose_dict[panose_field]) + ",\n"
table_string = table_string + panose_string + (" " * 4) + "}\n"
else:
table_string = table_string + (" "*4) + field + ": " + str(table_dict[field]) + ',\n'
table_string = table_string + "}\n\n"
return table_string
def ttfa_yaml_formatter(table_dict):
"""Formats the YAML table string for the ttfautohint TTFA table"""
data_string = table_dict['data'].strip()
data_list = data_string.split('\n') # split on newlines in the string
table_string = "TTFA: {\n"
for definition_string in data_list:
definition_list = definition_string.split("=")
field = definition_list[0].strip()
if len(definition_list) > 1:
value = definition_list[1].strip()
else:
value = "''"
table_string = table_string + (" " * 4) + field + ": " + value + ",\n"
table_string = table_string + "}\n\n"
return table_string
def read_bin(filepath):
"""read_bin function reads filepath parameter as binary data and returns raw binary to calling code"""
try:
with open(filepath, 'rb') as bin_reader:
data = bin_reader.read()
return data
except Exception as e:
sys.stderr.write("Error: Unable to read file " + filepath + ". " + str(e))
if __name__ == '__main__':
main(sys.argv[1:])