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Avoid confusing PIL warning for vector graphics (epub builder).

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This commit is contained in:
Roland Meister 2013-08-10 15:06:06 +02:00
parent f010460438
commit 548325c4e9
1 changed files with 10 additions and 2 deletions
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12
sphinx/builders/epub.py
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@ -155,6 +155,8 @@ _media_types = {
'.ttf': 'application/x-font-ttf', '.ttf': 'application/x-font-ttf',
} }
_vector_graphics_extensions = ('.svg',)
# Regular expression to match colons only in local fragment identifiers. # Regular expression to match colons only in local fragment identifiers.
# If the URI contains a colon before the #, # If the URI contains a colon before the #,
# it is an external link that should not change. # it is an external link that should not change.
@ -393,6 +395,11 @@ class EpubBuilder(StandaloneHTMLBuilder):
subentrylinks[i] = (ismain, subentrylinks[i] = (ismain,
self.fix_fragment(m.group(1), m.group(2))) self.fix_fragment(m.group(1), m.group(2)))
def is_vector_graphics(self, filename):
"""Does the filename extension indicate a vector graphic format?"""
ext = path.splitext(filename)[-1]
return ext in _vector_graphics_extensions
def copy_image_files_pil(self): def copy_image_files_pil(self):
"""Copy images using the PIL. """Copy images using the PIL.
The method tries to read and write the files with the PIL, The method tries to read and write the files with the PIL,
@ -405,8 +412,9 @@ class EpubBuilder(StandaloneHTMLBuilder):
try: try:
img = Image.open(path.join(self.srcdir, src)) img = Image.open(path.join(self.srcdir, src))
except IOError: except IOError:
self.warn('cannot read image file %r: copying it instead' % if not self.is_vector_graphics(src):
(path.join(self.srcdir, src), )) self.warn('cannot read image file %r: copying it instead' %
(path.join(self.srcdir, src), ))
try: try:
copyfile(path.join(self.srcdir, src), copyfile(path.join(self.srcdir, src),
path.join(self.outdir, '_images', dest)) path.join(self.outdir, '_images', dest))