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#!/usr/bin/env python3
#
# Copyright (c) 2018 Weitian LI
# MIT License
#
"""
Create Font Awesome v5 mapping for XeLaTeX.
Credits:
* FontAwesome
https://github.com/FortAwesome/Font-Awesome
* FontAwesome 5.0.0-beta.6 mapping for XeLaTeX
https://gist.github.com/phyllisstein/b790f853dac935060087f78839043b36
* Awesome-CV / fontawesome.sty
https://github.com/posquit0/Awesome-CV/blob/master/fontawesome.sty
* LaTeX - Creating Packages
https://en.wikibooks.org/wiki/LaTeX/Creating_Packages
"""
import os
import sys
import argparse
import urllib.request
from datetime import datetime
# Require the 'PyYAML' package (or 'python3-yaml' package on Debian)
import yaml
FA_URL = "https://github.com/FortAwesome/Font-Awesome"
ICONS_URL = FA_URL + "/raw/master/advanced-options/metadata/icons.yml"
ALLOWED_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
# Fonts styles
FONTS = {
"regular": "FontAwesomeRegular",
"solid": "FontAwesomeSolid",
"brands": "FontAwesomeBrands",
}
# LaTeX style template
STY_TEMPLATE = """%%
%% Font Awesome v5 mapping for XeLaTeX
%%
%% Generated by: %(program)s
%% Date: %(date)s
%%
%% Usage
%% -----
%% 1. \\usepackage{fontawesome} %% Prefer *Solid* style by default
%% or
%% \\usepackage[regular]{fontawesome} %% Prefer *Regular* style
%%
%% NOTE:
%% The *Solid* style has much more icons than the *Regular* style.
%% If one style doesn't have one icon, it fallbacks to the other style.
%%
%% 2. use an icon, e.g., \\faGitHub
%%
\\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\\ProvidesPackage{fontawesome5}[%(date)s Font Awesome 5]
\\DeclareOption{regular}{\\def\\FA@regular{true}}
\\ProcessOptions\\relax
\\RequirePackage{fontspec}
%% Declare all variants
%% Solid (default)
\\newfontfamily\\FontAwesomeSolid[
BoldFont={Font Awesome 5 Free Solid},
]{Font Awesome 5 Free Solid}
%% Regular
\\newfontfamily\\FontAwesomeRegular[
BoldFont={Font Awesome 5 Free},
]{Font Awesome 5 Free}
%% Brands
\\newfontfamily\\FontAwesomeBrands[
BoldFont={Font Awesome 5 Brands},
]{Font Awesome 5 Brands}
%% Generic command displaying an icon by its name
%% \\newcommand*{\\faicon}[1]{{\FA\csname faicon@#1\endcsname}}
%% Mappings
%(mappings)s
%% TeX commands
\\ifundef{\\FA@regular}{
%% [Solid] fallback to Regular style
%(cmds_solid)s
}{
%% [Regular] fallback to Solid style
%(cmds_regular)s
}
%% [Brands]
%(cmds_brands)s
\\endinput
%% EOF
"""
def get_icons_yml(url=ICONS_URL):
print("Downloading icons.yml from: %s" % url)
resp = urllib.request.urlopen(url)
data = resp.read()
return data.decode("utf-8")
def make_cmdname(name):
cmdname = []
upper = False
for i, c in enumerate(name):
if c == "-":
upper = True
continue
if i == 0:
upper = True
if upper:
cmdname.append(c.upper())
else:
cmdname.append(c)
upper = False
return "".join(cmdname)
def make_map(name, symbol):
"""
Map Font Awesome icon names to unicode symbols
"""
return '\\expandafter\\def\\csname faicon@%(name)s\\endcsname{\\symbol{"%(symbol)s}}' % {
"name": name,
"symbol": symbol.upper(),
}
def make_cmd(name, icon, style="solid"):
"""
Create LaTeX command to use Font Awesome icons
"""
cmdname = make_cmdname(name)
if style == "solid":
fallback = "regular"
elif style == "regular":
fallback = "solid"
elif style == "brands":
fallback = None
else:
raise ValueError("Invalid style: %s" % style)
if style in icon["styles"]:
font = FONTS[style]
elif fallback in icon["styles"]:
font = FONTS[fallback]
else:
return None
return '\\def\\fa%(cmdname)s{{\\%(font)s\\csname faicon@%(name)s\\endcsname}}' % {
"font": font,
"cmdname": cmdname,
"name": name,
}
def main():
parser = argparse.ArgumentParser(
description="Create Font Awesome v5 mapping for XeLaTeX")
parser.add_argument("-C", "--clobber", action="store_true",
help="overwrite existing output file")
parser.add_argument("-i", "--infile",
help="input icons.yml file of icons information " +
"(default: download from FontAwesome's repo)")
parser.add_argument("-o", "--outfile", default="fontawesome5.sty",
help="output LaTeX style file " +
"(default: fontawesome5.sty)")
args = parser.parse_args()
if os.path.exists(args.outfile):
if args.clobber:
os.remove(args.outfile)
print("Removed existing file: %s" % args.outfile)
else:
raise OSError("File already exists: %s" % args.outfile)
if args.infile:
data = open(args.infile).read()
else:
data = get_icons_yml()
print("Loading icons data ...")
icons = yaml.load(data)
icon_list = sorted(icons.keys())
print("Number of icons: %d" % len(icon_list))
mappings = [make_map(name, icons[name]["unicode"])
for name in icon_list]
cmds_regular = [make_cmd(name, icons[name], style="regular")
for name in icon_list]
cmds_solid = [make_cmd(name, icons[name], style="solid")
for name in icon_list]
cmds_brands = [make_cmd(name, icons[name], style="brands")
for name in icon_list]
# Exclude None's
cmds_regular = [cmd for cmd in cmds_regular if cmd]
cmds_solid = [cmd for cmd in cmds_solid if cmd]
cmds_brands = [cmd for cmd in cmds_brands if cmd]
data = {
"program": os.path.basename(sys.argv[0]),
"date": datetime.now().strftime("%Y/%m/%d"),
"mappings": "\n".join(mappings),
"cmds_regular": "\n".join(cmds_regular),
"cmds_solid": "\n".join(cmds_solid),
"cmds_brands": "\n".join(cmds_brands),
}
open(args.outfile, "w").write(STY_TEMPLATE % data)
print("Mapping writen to file: %s" % args.outfile)
if __name__ == "__main__":
main()
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