def test_layout_is_relative(self):
empty_layout = Layout()
self.assertTrue(empty_layout.is_relative())
size_px = Size(30, UnitEnum.PIXEL)
size_px2 = Size(30, UnitEnum.PIXEL)
size_percent = Size(30, UnitEnum.PERCENT)
size_percent2 = Size(30, UnitEnum.PERCENT)
point_abs = Point(size_px, size_px2)
point_rel = Point(size_percent, size_percent2)
stretch_abs = Stretch(size_px, size_px2)
stretch_rel = Stretch(size_percent, size_percent2)
layout_abs = Layout(origin=point_abs, extent=stretch_abs, padding=None)
layout_mix = Layout(origin=point_abs, extent=stretch_rel, padding=None)
layout_rel = Layout(origin=point_rel, extent=stretch_rel, padding=None)
self.assertFalse(layout_abs.is_relative())
self.assertFalse(layout_mix.is_relative())
self.assertTrue(layout_rel.is_relative())
def test_only_the_custom_region_is_created(self):
caption_set = DFXPReader().read(
SAMPLE_DFXP_TO_RENDER_WITH_ONLY_DEFAULT_POSITIONING_INPUT)
new_region = Layout(alignment=Alignment(HorizontalAlignmentEnum.LEFT,
VerticalAlignmentEnum.TOP))
dfxp = SinglePositioningDFXPWriter(new_region).write(caption_set)
# Using a different parser, because this preserves letter case
# The output file is ok, but when parsing it, the "regular" parses
# loses letter case.
layout = BeautifulSoup(dfxp, features='xml').findChild('layout')
self.assertEqual(len(layout.findChildren('region')), 1)
region = layout.findChild('region')
text_align = region['tts:textAlign']
display_align = region['tts:displayAlign']
internal_alignment = _create_internal_alignment(
text_align, display_align) # noqa
self.assertEqual(internal_alignment.horizontal,
HorizontalAlignmentEnum.LEFT) # noqa
self.assertEqual(internal_alignment.vertical,
VerticalAlignmentEnum.TOP) # noqa
def _extract_positioning_information(self, region_id, element):
"""Returns a Layout object that describes the element's positioning
information
:param region_id: the id of the region to which the element is
associated
:type region_id: unicode
:param element: BeautifulSoup Tag or NavigableString; this only comes
into action (at the moment) if the
:rtype: Layout
"""
region_tag = None
if region_id is not None:
region_tag = self.find(u'region', {u'xml:id': region_id})
region_scraper = LayoutInfoScraper(self, region_tag)
layout_info = region_scraper.scrape_positioning_info(
element, self.read_invalid_positioning)
if layout_info and any(layout_info):
# layout_info contains information?
return Layout(*layout_info)
else:
# layout_info doesn't contain any information
return self.NO_POSITIONING_INFO
def test_only_the_specified_custom_attributes_are_created_for_the_region(
self): # noqa
caption_set = DFXPReader().read(
SAMPLE_DFXP_TO_RENDER_WITH_ONLY_DEFAULT_POSITIONING_INPUT)
new_region = Layout(alignment=Alignment(HorizontalAlignmentEnum.LEFT,
VerticalAlignmentEnum.TOP))
dfxp = SinglePositioningDFXPWriter(new_region).write(caption_set)
region = BeautifulSoup(dfxp).find('region')
self.assertTrue('xml:id' in region.attrs)
self.assertNotEqual(region.attrs['xml:id'], DFXP_DEFAULT_REGION_ID)
self.assertEqual(len(region.attrs), 3)
def test_only_the_specified_custom_attributes_are_created_for_the_region(
self, sample_dfxp_to_render_with_only_default_positioning_input):
caption_set = DFXPReader().read(
sample_dfxp_to_render_with_only_default_positioning_input)
new_region = Layout(alignment=Alignment(HorizontalAlignmentEnum.LEFT,
VerticalAlignmentEnum.TOP))
dfxp = SinglePositioningDFXPWriter(new_region).write(caption_set)
region = BeautifulSoup(dfxp).find('region')
assert 'xml:id' in region.attrs
assert region.attrs['xml:id'] != DFXP_DEFAULT_REGION_ID
assert len(region.attrs) == 3
def test_only_the_custom_region_is_created(
self, sample_dfxp_to_render_with_only_default_positioning_input):
caption_set = DFXPReader().read(
sample_dfxp_to_render_with_only_default_positioning_input)
new_region = Layout(alignment=Alignment(HorizontalAlignmentEnum.LEFT,
VerticalAlignmentEnum.TOP))
dfxp = SinglePositioningDFXPWriter(new_region).write(caption_set)
# Using a different parser, because this preserves letter case
# The output file is ok, but when parsing it, the "regular" parses
# loses letter case.
layout = BeautifulSoup(dfxp, features='xml').findChild('layout')
region = layout.findChild('region')
text_align = region['tts:textAlign']
display_align = region['tts:displayAlign']
internal_alignment = _create_internal_alignment(
text_align, display_align)
assert len(layout.findChildren('region')) == 1
assert internal_alignment.horizontal == HorizontalAlignmentEnum.LEFT
assert internal_alignment.vertical == VerticalAlignmentEnum.TOP
def test_layout_is_relative(self):
empty_layout = Layout()
size_px = Size(30, UnitEnum.PIXEL)
size_px2 = Size(30, UnitEnum.PIXEL)
size_percent = Size(30, UnitEnum.PERCENT)
size_percent2 = Size(30, UnitEnum.PERCENT)
point_abs = Point(size_px, size_px2)
point_rel = Point(size_percent, size_percent2)
stretch_abs = Stretch(size_px, size_px2)
stretch_rel = Stretch(size_percent, size_percent2)
layout_abs = Layout(
origin=point_abs,
extent=stretch_abs,
padding=None
)
layout_mix = Layout(
origin=point_abs,
extent=stretch_rel,
padding=None
)
layout_rel = Layout(
origin=point_rel,
extent=stretch_rel,
padding=None
)
assert empty_layout.is_relative()
assert not layout_abs.is_relative()
assert not layout_mix.is_relative()
assert layout_rel.is_relative()
xmlns:tts="http://www.w3.org/ns/ttml#styling">
<head>
<styling/>
<layout/>
</head>
<body/>
</tt>
'''
DFXP_DEFAULT_STYLE = {
u'color': u'white',
u'font-family': u'monospace',
u'font-size': u'1c',
}
DFXP_DEFAULT_REGION = Layout(alignment=Alignment(
HorizontalAlignmentEnum.CENTER, VerticalAlignmentEnum.BOTTOM))
DFXP_DEFAULT_STYLE_ID = u'default'
DFXP_DEFAULT_REGION_ID = u'bottom'
class DFXPReader(BaseReader):
def __init__(self, *args, **kw):
self.read_invalid_positioning = (kw.get('read_invalid_positioning',
False))
self.nodes = []
def detect(self, content):
if u'</tt>' in content.lower():
return True
else:
