def _extract_attrs(x, n):
"""Extracts attributes for an image. n is the index where the
attributes begin. Extracted elements are deleted from the element
list x. Attrs are returned in pandoc format.
"""
try:
return extract_attrs(x, n)
except (ValueError, IndexError):
if PANDOCVERSION < '1.16':
# Look for attributes attached to the image path, as occurs with
# image references for pandoc < 1.16 (pandoc-fignos Issue #14).
# See http://pandoc.org/MANUAL.html#images for the syntax.
# Note: This code does not handle the "optional title" for
# image references (search for link_attributes in pandoc's docs).
assert x[n - 1]['t'] == 'Image'
image = x[n - 1]
s = image['c'][-1][0]
if '%20%7B' in s:
path = s[:s.index('%20%7B')]
attrs = unquote(s[s.index('%7B'):])
image['c'][-1][0] = path # Remove attr string from the path
return PandocAttributes(attrs.strip(), 'markdown').to_pandoc()
raise
def attach_attrs_table(key, value, fmt, meta):
"""Extracts attributes and attaches them to element."""
# We can't use attach_attrs_factory() because Table is a block-level element
if key in ['Table']:
assert len(value) == 5
caption = value[0] # caption, align, x, head, body
# Set n to the index where the attributes start
n = 0
while n < len(caption) and not \
(caption[n]['t'] == 'Str' and caption[n]['c'].startswith('{')):
n += 1
try:
attrs = extract_attrs(caption, n)
value.insert(0, attrs)
except (ValueError, IndexError):
pass
def attach_attrs_table(key, value, fmt, meta):
"""Extracts attributes and attaches them to element."""
# We can't use attach_attrs_factory() because Table is a block-level element
if key in ['Table']:
assert len(value) == 5
caption = value[0] # caption, align, x, head, body
# Set n to the index where the attributes start
n = 0
while n < len(caption) and not \
(caption[n]['t'] == 'Str' and caption[n]['c'].startswith('{')):
n += 1
try:
attrs = extract_attrs(caption, n)
value.insert(0, attrs)
except (ValueError, IndexError):
pass
def test_extract_attrs_2(self):
"""Tests extract_attrs() #2."""
## test.md: Test {#eq:id .class tag="foo"}. ##
# Command: pandoc test.md -f markdown+smart -t json
src = eval(r'''{"meta":{},"blocks":[{"t":"Para","c":[{"t":"Str","c":"Test"},{"t":"Space"},{"t":"Str","c":"{#eq:id"},{"t":"Space"},{"t":"Str","c":".class"},{"t":"Space"},{"t":"Str","c":"tag="},{"t":"Quoted","c":[{"t":"DoubleQuote"},[{"t":"Str","c":"foo"}]]},{"t":"Str","c":"}."}]}],"pandoc-api-version":[1,17,5,1]}''')
# Check src against pandoc-1.17.2
md = subprocess.Popen(('echo', 'Test {#eq:id .class tag="foo"}.'),
stdout=subprocess.PIPE)
output = eval(subprocess.check_output(
'pandoc -f markdown+smart -t json'.split(), stdin=md.stdout).strip())
self.assertEqual(src, output)
# Hand-coded
expected = ['eq:id', ['class'], [['tag', 'foo']]]
# Make the comparison
self.assertEqual(extract_attrs(src['blocks'][0]['c'], 2), expected)
def test_extract_attrs_1(self):
"""Tests extract_attrs() #1."""
## test.md: Test {#eq:id .class tag="foo"}. ##
# Command: pandoc test.md -t json
src = eval(r'''{"blocks":[{"t":"Para","c":[{"t":"Str","c":"Test"},{"t":"Space"},{"t":"Str","c":"{#eq:id"},{"t":"Space"},{"t":"Str","c":".class"},{"t":"Space"},{"t":"Str","c":"tag="},{"t":"Quoted","c":[{"t":"DoubleQuote"},[{"t":"Str","c":"foo"}]]},{"t":"Str","c":"}."}]}],"pandoc-api-version":[%s],"meta":{}}'''%PANDOC_API_VERSION)
# Check src against current pandoc
md = subprocess.Popen(('echo', 'Test {#eq:id .class tag="foo"}.'),
stdout=subprocess.PIPE)
output = eval(subprocess.check_output(
'pandoc -t json'.split(), stdin=md.stdout).strip())
self.assertEqual(src, output)
# Hand-coded
expected = ['eq:id', ['class'], [['tag', 'foo']]]
# Make the comparison
self.assertEqual(extract_attrs(src['blocks'][0]['c'], 2).list, expected)
def test_extract_attrs_2(self):
"""Tests extract_attrs() #2."""
## test.md: Test {#eq:id .class tag="foo"}. ##
# Command: pandoc test.md -f markdown+smart -t json
src = eval(
r'''{"meta":{},"blocks":[{"t":"Para","c":[{"t":"Str","c":"Test"},{"t":"Space"},{"t":"Str","c":"{#eq:id"},{"t":"Space"},{"t":"Str","c":".class"},{"t":"Space"},{"t":"Str","c":"tag="},{"t":"Quoted","c":[{"t":"DoubleQuote"},[{"t":"Str","c":"foo"}]]},{"t":"Str","c":"}."}]}],"pandoc-api-version":[1,17,5,1]}'''
)
# Check src against pandoc-1.17.2
md = subprocess.Popen(('echo', 'Test {#eq:id .class tag="foo"}.'),
stdout=subprocess.PIPE)
output = eval(
subprocess.check_output('pandoc -f markdown+smart -t json'.split(),
stdin=md.stdout).strip())
self.assertEqual(src, output)
# Hand-coded
expected = ['eq:id', ['class'], [['tag', 'foo']]]
# Make the comparison
self.assertEqual(extract_attrs(src['blocks'][0]['c'], 2), expected)