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Dont download MathJax if it is already present

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Fixes #1812891 [calibre-3.38.1 tries to download mathjax  during build](https://bugs.launchpad.net/calibre/+bug/1812891)
This commit is contained in:
Kovid Goyal 2019-01-23 08:03:00 +05:30
parent 8fbdd7bc9a
commit a64579338c
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 19 additions and 4 deletions
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23
setup/mathjax.py
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@ -60,15 +60,27 @@ class MathJax(Command):
if not ignore(name):
self.add_file(f, name)
@property
def mathjax_dir(self):
return self.j(self.RESOURCES, 'mathjax')
def already_present(self):
manifest = self.j(self.mathjax_dir, 'manifest.json')
if os.path.exists(manifest):
with open(manifest, 'rb') as f:
return json.load(f).get('version') == self.MATH_JAX_VERSION
return False
def clean(self):
self.mathjax_dir = self.j(self.RESOURCES, 'mathjax')
if os.path.exists(self.mathjax_dir):
shutil.rmtree(self.mathjax_dir)
def run(self, opts):
if not opts.system_mathjax and self.already_present():
self.info('MathJax already present in the resources directory, not downloading')
self.use_symlinks = opts.system_mathjax
self.h = sha1()
self.mathjax_files = {}
self.use_symlinks = opts.system_mathjax
self.clean()
os.mkdir(self.mathjax_dir)
tdir = mkdtemp('calibre-mathjax-build')
@ -77,11 +89,14 @@ class MathJax(Command):
self.info('Adding MathJax...')
unpacked = 'unpacked' if self.e(self.j(src, 'unpacked')) else ''
self.add_file(self.j(src, unpacked, 'MathJax.js'), 'MathJax.js')
self.add_tree(self.j(src, 'fonts', 'HTML-CSS', self.FONT_FAMILY, 'woff'), 'fonts/HTML-CSS/%s/woff' % self.FONT_FAMILY, lambda x: not x.endswith('.woff'))
self.add_tree(
self.j(src, 'fonts', 'HTML-CSS', self.FONT_FAMILY, 'woff'),
'fonts/HTML-CSS/%s/woff' % self.FONT_FAMILY,
lambda x: not x.endswith('.woff'))
for d in 'extensions jax/element jax/input jax/output/CommonHTML'.split():
self.add_tree(self.j(src, unpacked, *d.split('/')), d)
etag = self.h.hexdigest()
with open(self.j(self.RESOURCES, 'mathjax', 'manifest.json'), 'wb') as f:
f.write(json.dumps({'etag': etag, 'files': self.mathjax_files}, indent=2).encode('utf-8'))
f.write(json.dumps({'etag': etag, 'files': self.mathjax_files, 'version': self.MATH_JAX_VERSION}, indent=2).encode('utf-8'))
finally:
shutil.rmtree(tdir)