hdr: add Settings.odd_and_even_pages_header_footer

Getter side.

docx/oxml/__init__.py

@@ -65,6 +65,7 @@ def OxmlElement(nsptag_str, attrs=None, nsdecls=None):
 # ===========================================================================
 
 from .shared import CT_DecimalNumber, CT_OnOff, CT_String  # noqa
+register_element_cls("w:evenAndOddHeaders", CT_OnOff)
 
 
 from .coreprops import CT_CoreProperties  # noqa
@@ -101,6 +102,9 @@ def OxmlElement(nsptag_str, attrs=None, nsdecls=None):
 register_element_cls("w:sectPr", CT_SectPr)
 register_element_cls("w:type", CT_SectType)
 
+from .settings import CT_Settings  # noqa
+register_element_cls("w:settings", CT_Settings)
+
 from .shape import (  # noqa
     CT_Blip,
     CT_BlipFillProperties,

docx/oxml/settings.py

@@ -0,0 +1,57 @@
+# encoding: utf-8
+
+"""Custom element classes related to document settings"""
+
+from __future__ import absolute_import, division, print_function, unicode_literals
+
+from docx.oxml.xmlchemy import BaseOxmlElement, ZeroOrOne
+
+
+class CT_Settings(BaseOxmlElement):
+    """`w:settings` element, root element for the settings part"""
+
+    _tag_seq = (
+        "w:writeProtection", "w:view", "w:zoom", "w:removePersonalInformation",
+        "w:removeDateAndTime", "w:doNotDisplayPageBoundaries",
+        "w:displayBackgroundShape", "w:printPostScriptOverText",
+        "w:printFractionalCharacterWidth", "w:printFormsData", "w:embedTrueTypeFonts",
+        "w:embedSystemFonts", "w:saveSubsetFonts", "w:saveFormsData", "w:mirrorMargins",
+        "w:alignBordersAndEdges", "w:bordersDoNotSurroundHeader",
+        "w:bordersDoNotSurroundFooter", "w:gutterAtTop", "w:hideSpellingErrors",
+        "w:hideGrammaticalErrors", "w:activeWritingStyle", "w:proofState",
+        "w:formsDesign", "w:attachedTemplate", "w:linkStyles",
+        "w:stylePaneFormatFilter", "w:stylePaneSortMethod", "w:documentType",
+        "w:mailMerge", "w:revisionView", "w:trackRevisions", "w:doNotTrackMoves",
+        "w:doNotTrackFormatting", "w:documentProtection", "w:autoFormatOverride",
+        "w:styleLockTheme", "w:styleLockQFSet", "w:defaultTabStop", "w:autoHyphenation",
+        "w:consecutiveHyphenLimit", "w:hyphenationZone", "w:doNotHyphenateCaps",
+        "w:showEnvelope", "w:summaryLength", "w:clickAndTypeStyle",
+        "w:defaultTableStyle", "w:evenAndOddHeaders", "w:bookFoldRevPrinting",
+        "w:bookFoldPrinting", "w:bookFoldPrintingSheets",
+        "w:drawingGridHorizontalSpacing", "w:drawingGridVerticalSpacing",
+        "w:displayHorizontalDrawingGridEvery", "w:displayVerticalDrawingGridEvery",
+        "w:doNotUseMarginsForDrawingGridOrigin", "w:drawingGridHorizontalOrigin",
+        "w:drawingGridVerticalOrigin", "w:doNotShadeFormData", "w:noPunctuationKerning",
+        "w:characterSpacingControl", "w:printTwoOnOne", "w:strictFirstAndLastChars",
+        "w:noLineBreaksAfter", "w:noLineBreaksBefore", "w:savePreviewPicture",
+        "w:doNotValidateAgainstSchema", "w:saveInvalidXml", "w:ignoreMixedContent",
+        "w:alwaysShowPlaceholderText", "w:doNotDemarcateInvalidXml",
+        "w:saveXmlDataOnly", "w:useXSLTWhenSaving", "w:saveThroughXslt",
+        "w:showXMLTags", "w:alwaysMergeEmptyNamespace", "w:updateFields",
+        "w:hdrShapeDefaults", "w:footnotePr", "w:endnotePr", "w:compat", "w:docVars",
+        "w:rsids", "m:mathPr", "w:attachedSchema", "w:themeFontLang",
+        "w:clrSchemeMapping", "w:doNotIncludeSubdocsInStats",
+        "w:doNotAutoCompressPictures", "w:forceUpgrade", "w:captions",
+        "w:readModeInkLockDown", "w:smartTagType", "sl:schemaLibrary",
+        "w:shapeDefaults", "w:doNotEmbedSmartTags", "w:decimalSymbol", "w:listSeparator"
+    )
+    evenAndOddHeaders = ZeroOrOne("w:evenAndOddHeaders", successors=_tag_seq[48:])
+    del _tag_seq
+
+    @property
+    def evenAndOddHeaders_val(self):
+        """value of `w:evenAndOddHeaders/@w:val` or |None| if not present."""
+        evenAndOddHeaders = self.evenAndOddHeaders
+        if evenAndOddHeaders is None:
+            return False
+        return evenAndOddHeaders.val

docx/settings.py

@@ -14,3 +14,11 @@ class Settings(ElementProxy):
     """
 
     __slots__ = ()
+
+    @property
+    def odd_and_even_pages_header_footer(self):
+        """True if this document has distinct odd and even page headers and footers.
+
+        Read/write.
+        """
+        return self._element.evenAndOddHeaders_val

features/doc-settings.feature

@@ -15,7 +15,6 @@ Feature: Document.settings
       | no        |
 
 
-  @wip
   Scenario Outline: Settings.odd_and_even_pages_header_footer getter
     Given a Settings object <with-or-without> odd and even page headers as settings
      Then settings.odd_and_even_pages_header_footer is <value>

tests/test_settings.py

@@ -0,0 +1,40 @@
+# encoding: utf-8
+
+"""Unit test suite for the docx.settings module"""
+
+from __future__ import absolute_import, division, print_function, unicode_literals
+
+import pytest
+
+from docx.settings import Settings
+
+from .unitutil.cxml import element
+
+
+class DescribeSettings(object):
+
+    def it_knows_when_the_document_has_distinct_odd_and_even_headers(
+        self, odd_and_even_get_fixture
+    ):
+        settings_elm, expected_value = odd_and_even_get_fixture
+        settings = Settings(settings_elm)
+
+        odd_and_even_pages_header_footer = settings.odd_and_even_pages_header_footer
+
+        assert odd_and_even_pages_header_footer is expected_value
+
+    # fixtures -------------------------------------------------------
+
+    @pytest.fixture(
+        params=[
+            ("w:settings", False),
+            ("w:settings/w:evenAndOddHeaders", True),
+            ("w:settings/w:evenAndOddHeaders{w:val=0}", False),
+            ("w:settings/w:evenAndOddHeaders{w:val=1}", True),
+            ("w:settings/w:evenAndOddHeaders{w:val=true}", True),
+        ]
+    )
+    def odd_and_even_get_fixture(self, request):
+        settings_cxml, expected_value = request.param
+        settings_elm = element(settings_cxml)
+        return settings_elm, expected_value