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from __future__ import unicode_literals
from .base import DEFAULT_ATTRS, Attrs
__all__ = (
'split_token_in_parts',
'merge_attrs',
)
def split_token_in_parts(token):
"""
Take a Token, and turn it in a list of tokens, by splitting
it on ':' (taking that as a separator.)
"""
result = []
current = []
for part in token + (':', ):
if part == ':':
if current:
result.append(tuple(current))
current = []
else:
current.append(part)
return result
def merge_attrs(list_of_attrs):
"""
Take a list of :class:`.Attrs` instances and merge them into one.
Every `Attr` in the list can override the styling of the previous one.
"""
result = DEFAULT_ATTRS
for attr in list_of_attrs:
result = Attrs(
color=attr.color or result.color,
bgcolor=attr.bgcolor or result.bgcolor,
bold=attr.bold or result.bold,
underline=attr.underline or result.underline,
italic=attr.italic or result.italic,
blink=attr.blink or result.blink,
reverse=attr.reverse or result.reverse)
return result
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