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Patch MathJax so that correct webfont URLs are generated

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This commit is contained in:
Kovid Goyal 2016-05-03 08:30:30 +05:30
parent ef5f490cf4
commit 514a8a2863
1 changed files with 15 additions and 1 deletions
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16
setup/mathjax.py
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@ -7,7 +7,7 @@ __license__ = 'GPL v3'
__copyright__ = '2012, Kovid Goyal <kovid at kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
import os
import os, re
from urllib import urlretrieve
from zipfile import ZipFile, ZIP_STORED, ZipInfo
from hashlib import sha1
@ -37,9 +37,20 @@ class MathJax(Command):
if os.path.isdir(q):
return q
def patch_webfonts(self, raw):
raw = raw.decode('utf-8')
nraw = re.sub(r'font = {[^}]+WOFFDIR[^}]+}',
'''font = {'font-family':family+'w', src:'url(' + AJAX.fileURL(WOFFDIR+'/'+name+'-'+variant+'.woff') + ') format("woff")'}''', raw)
if raw == nraw:
raise SystemExit('Patching of webfonts failed')
return nraw.encode('utf-8')
def add_file(self, zf, path, name):
with open(path, 'rb') as f:
raw = f.read()
if name == 'jax/output/CommonHTML/fonts/TeX/fontdata.js':
raw = self.patch_webfonts(raw)
self.patched = True
self.h.update(raw)
zi = ZipInfo(name)
zi.external_attr = 0o444 << 16L
@ -56,6 +67,7 @@ class MathJax(Command):
return '/fonts/' in name and self.FONT_FAMILY not in name
def run(self, opts):
self.patched = False
self.h = sha1()
src = opts.path_to_mathjax or self.download_mathjax_release()
self.info('Compressing MathJax...')
@ -69,6 +81,8 @@ class MathJax(Command):
zf.comment = self.h.hexdigest()
t.seek(0)
if not self.patched:
raise SystemExit('Could not find fontdata.js to patch')
with open(self.j(self.RESOURCES, 'content-server', 'mathjax.zip.xz'), 'wb') as f:
compress(t, f, level=9)
with open(self.j(self.RESOURCES, 'content-server', 'mathjax.version'), 'wb') as f: