40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
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# encoding: utf-8
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"""
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Embedded Package part objects, including EmbeddedPackagePart and
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EmbeddedXlsxPart
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"""
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from __future__ import absolute_import, print_function, unicode_literals
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from ..opc.constants import CONTENT_TYPE as CT
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from ..opc.package import Part
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class EmbeddedPackagePart(Part):
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"""
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A distinct OPC package, e.g. an Excel file, stored (embedded) in the main
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package as a part having partname like
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``ppt/embeddings/Microsoft_Excel_Sheet1.xlsx``.
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"""
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class EmbeddedXlsxPart(EmbeddedPackagePart):
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"""
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An Excel file stored in a part, typically used as a data source for
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a chart.
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"""
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partname_template = "/ppt/embeddings/Microsoft_Excel_Sheet%d.xlsx"
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@classmethod
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def new(cls, xlsx_blob, package):
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"""
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Return a new |EmbeddedXlsxPart| instance added to *package* and
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containing *xlsx_blob*.
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"""
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partname = package.next_partname(cls.partname_template)
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content_type = CT.SML_SHEET
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xlsx_part = cls(partname, content_type, xlsx_blob, package)
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return xlsx_part
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