def run(self, parent, blocks):
diag_blocks = []
for block in blocks:
block = block.strip()
diag_blocks.append(block)
if block.endswith("}"):
break
raw_block = "\n".join(diag_blocks)
del blocks[:len(diag_blocks)]
font_path = self.extension.getConfig('fontpath')
output_fmt = self.extension.getConfig('format')
diagram = draw_blockdiag(raw_block, output_fmt=output_fmt, font_path=font_path)
if output_fmt == 'png':
src_data = 'data:image/png;base64,{0}'.format(
base64.b64encode(diagram)
)
else:
src_data = 'data:image/svg+xml;utf8,{0}'.format(diagram)
p = etree.SubElement(parent, 'p')
img = etree.SubElement(p, 'img')
img.attrib['src'] = src_data
def post(self, request: Request) -> Response:
try:
blockdiag = request.data["markdown"]
svg = draw_blockdiag(blockdiag, output_fmt="svg", font_antialias=True)
except (ParseException, KeyError):
return Response(status=status.HTTP_400_BAD_REQUEST)
else:
return Response(svg)
def test_seqdiag(self):
draw = draw_blockdiag(SEQ_DIAG_TXT)
expected = '<p><img src="data:image/png;base64,{0}" /></p>'.format(
base64.b64encode(draw))
result = markdown(
SEQ_DIAG_TXT,
extensions=['markdown_blockdiag'],
)
self.assertEqual(expected, result)
def test_svg_blockdiag(self):
self.maxDiff = None
draw = draw_blockdiag(BASIC_DIAG_TXT, output_fmt='svg')
expected = '<p><img src="data:image/svg+xml;charset=utf-8,{0}" /></p>'.format(
url_quote(draw))
result = markdown(
BASIC_DIAG_TXT,
extensions=['markdown_blockdiag'],
extension_configs={'markdown_blockdiag': {
'format': 'svg'
}})
result = unescape(result).replace('"', '\"')
self.assertEqual(expected, result)
def test_markdown(self):
draw = draw_blockdiag(EXTENDED_DIAG_TXT)
expected = '<p><img src="data:image/png;base64,{0}" /></p>'.format(
base64.b64encode(draw))
marcdown_doc = MARKDOWN_DOC.format(diagram=EXTENDED_DIAG_TXT)
result = markdown(
marcdown_doc,
extensions=['markdown_blockdiag'],
)
self.assertTrue("Title" in result)
self.assertEqual(2, result.count(expected))
self.assertEqual(3, result.count("paragraph"))
def test_font_antialias_blockdiag(self):
self.maxDiff = None
draw = draw_blockdiag(BASIC_DIAG_TXT, font_antialias=False)
expected = '<p><img src="data:image/png;base64,{0}" /></p>'.format(
base64.b64encode(draw))
result = markdown(
BASIC_DIAG_TXT,
extensions=['markdown_blockdiag'],
extension_configs={'markdown_blockdiag': {
'fontantialias': False
}})
result = unescape(result).replace('"', '\"')
self.assertEqual(expected, result)