def core_properties(self):
"""
Instance of |CoreProperties| holding the read/write Dublin Core
document properties for this presentation. Creates a default core
properties part if one is not present (not common).
"""
try:
return self.part_related_by(RT.CORE_PROPERTIES)
except KeyError:
core_props = CoreProperties.default()
self.relate_to(core_props, RT.CORE_PROPERTIES)
return core_props
def core_properties(self):
"""
Instance of |CoreProperties| holding the read/write Dublin Core
document properties for this presentation. Creates a default core
properties part if one is not present (not common).
"""
try:
return self.part_related_by(RT.CORE_PROPERTIES)
except KeyError:
core_props = CoreProperties.default()
self.relate_to(core_props, RT.CORE_PROPERTIES)
return core_props
def it_can_construct_a_default_core_props(self):
core_props = CoreProperties.default()
# verify -----------------------
assert isinstance(core_props, CoreProperties)
assert core_props.content_type is CT.OPC_CORE_PROPERTIES
assert core_props.partname == '/docProps/core.xml'
assert isinstance(core_props._element, CT_CoreProperties)
assert core_props.title == 'PowerPoint Presentation'
assert core_props.last_modified_by == 'python-pptx'
assert core_props.revision == 1
# core_props.modified only stores time with seconds resolution, so
# comparison needs to be a little loose (within two seconds)
modified_timedelta = datetime.utcnow() - core_props.modified
max_expected_timedelta = timedelta(seconds=2)
assert modified_timedelta < max_expected_timedelta
def it_can_construct_a_default_core_props(self):
core_props = CoreProperties.default()
# verify -----------------------
assert isinstance(core_props, CoreProperties)
assert core_props.content_type is CT.OPC_CORE_PROPERTIES
assert core_props.partname == '/docProps/core.xml'
assert isinstance(core_props._element, CT_CoreProperties)
assert core_props.title == 'PowerPoint Presentation'
assert core_props.last_modified_by == 'python-pptx'
assert core_props.revision == 1
# core_props.modified only stores time with seconds resolution, so
# comparison needs to be a little loose (within two seconds)
modified_timedelta = datetime.utcnow() - core_props.modified
max_expected_timedelta = timedelta(seconds=2)
assert modified_timedelta < max_expected_timedelta
def test_it_can_construct_default_core_props(self):
core_props = CoreProperties.default()
# verify -----------------------
assert_that(core_props, is_(instance_of(CoreProperties)))
assert_that(core_props.content_type, is_(CT.OPC_CORE_PROPERTIES))
assert_that(core_props.partname, is_('/docProps/core.xml'))
assert_that(core_props._element, is_(instance_of(CT_CoreProperties)))
assert_that(core_props.title, is_('PowerPoint Presentation'))
assert_that(core_props.last_modified_by, is_('python-pptx'))
assert_that(core_props.revision, is_(1))
# core_props.modified only stores time with seconds resolution, so
# comparison needs to be a little loose (within two seconds)
modified_timedelta = datetime.utcnow() - core_props.modified
max_expected_timedelta = timedelta(seconds=2)
assert_that(modified_timedelta, less_than(max_expected_timedelta))
