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"""Provides StylesPart and related objects."""
from __future__ import annotations
import os
from typing import TYPE_CHECKING
from docx.opc.constants import CONTENT_TYPE as CT
from docx.opc.packuri import PackURI
from docx.opc.part import XmlPart
from docx.oxml.parser import parse_xml
from docx.styles.styles import Styles
if TYPE_CHECKING:
from docx.opc.package import OpcPackage
class StylesPart(XmlPart):
"""Proxy for the styles.xml part containing style definitions for a document or
glossary."""
@classmethod
def default(cls, package: OpcPackage) -> StylesPart:
"""Return a newly created styles part, containing a default set of elements."""
partname = PackURI("/word/styles.xml")
content_type = CT.WML_STYLES
element = parse_xml(cls._default_styles_xml())
return cls(partname, content_type, element, package)
@property
def styles(self):
"""The |_Styles| instance containing the styles (<w:style> element proxies) for
this styles part."""
return Styles(self.element)
@classmethod
def _default_styles_xml(cls):
"""Return a bytestream containing XML for a default styles part."""
path = os.path.join(
os.path.split(__file__)[0], "..", "templates", "default-styles.xml"
)
with open(path, "rb") as f:
xml_bytes = f.read()
return xml_bytes
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