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112 lines
3.9 KiB
112 lines
3.9 KiB
# Copyright (c) 2010-2022 openpyxl
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import datetime
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from openpyxl.compat import safe_string
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from openpyxl.descriptors import (
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String,
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DateTime,
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Alias,
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)
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from openpyxl.descriptors.serialisable import Serialisable
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from openpyxl.descriptors.nested import NestedText
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from openpyxl.xml.functions import (Element, QName, tostring)
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from openpyxl.xml.constants import (
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COREPROPS_NS,
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DCORE_NS,
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XSI_NS,
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DCTERMS_NS,
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DCTERMS_PREFIX
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)
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class NestedDateTime(DateTime, NestedText):
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expected_type = datetime.datetime
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def to_tree(self, tagname=None, value=None, namespace=None):
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namespace = getattr(self, "namespace", namespace)
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if namespace is not None:
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tagname = "{%s}%s" % (namespace, tagname)
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el = Element(tagname)
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if value is not None:
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el.text = value.isoformat(timespec="seconds") + 'Z'
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return el
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class QualifiedDateTime(NestedDateTime):
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"""In certain situations Excel will complain if the additional type
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attribute isn't set"""
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def to_tree(self, tagname=None, value=None, namespace=None):
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el = super(QualifiedDateTime, self).to_tree(tagname, value, namespace)
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el.set("{%s}type" % XSI_NS, QName(DCTERMS_NS, "W3CDTF"))
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return el
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class DocumentProperties(Serialisable):
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"""High-level properties of the document.
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Defined in ECMA-376 Par2 Annex D
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"""
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tagname = "coreProperties"
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namespace = COREPROPS_NS
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category = NestedText(expected_type=str, allow_none=True)
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contentStatus = NestedText(expected_type=str, allow_none=True)
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keywords = NestedText(expected_type=str, allow_none=True)
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lastModifiedBy = NestedText(expected_type=str, allow_none=True)
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lastPrinted = NestedDateTime(allow_none=True)
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revision = NestedText(expected_type=str, allow_none=True)
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version = NestedText(expected_type=str, allow_none=True)
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last_modified_by = Alias("lastModifiedBy")
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# Dublin Core Properties
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subject = NestedText(expected_type=str, allow_none=True, namespace=DCORE_NS)
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title = NestedText(expected_type=str, allow_none=True, namespace=DCORE_NS)
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creator = NestedText(expected_type=str, allow_none=True, namespace=DCORE_NS)
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description = NestedText(expected_type=str, allow_none=True, namespace=DCORE_NS)
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identifier = NestedText(expected_type=str, allow_none=True, namespace=DCORE_NS)
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language = NestedText(expected_type=str, allow_none=True, namespace=DCORE_NS)
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# Dublin Core Terms
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created = QualifiedDateTime(allow_none=True, namespace=DCTERMS_NS)
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modified = QualifiedDateTime(allow_none=True, namespace=DCTERMS_NS)
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__elements__ = ("creator", "title", "description", "subject","identifier",
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"language", "created", "modified", "lastModifiedBy", "category",
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"contentStatus", "version", "revision", "keywords", "lastPrinted",
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)
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def __init__(self,
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category=None,
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contentStatus=None,
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keywords=None,
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lastModifiedBy=None,
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lastPrinted=None,
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revision=None,
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version=None,
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created=datetime.datetime.utcnow(),
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creator="openpyxl",
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description=None,
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identifier=None,
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language=None,
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modified=datetime.datetime.utcnow(),
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subject=None,
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title=None,
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):
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self.contentStatus = contentStatus
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self.lastPrinted = lastPrinted
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self.revision = revision
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self.version = version
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self.creator = creator
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self.lastModifiedBy = lastModifiedBy
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self.modified = modified
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self.created = created
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self.title = title
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self.subject = subject
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self.description = description
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self.identifier = identifier
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self.language = language
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self.keywords = keywords
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self.category = category
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