[1] | 1 | import Globals |
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| 2 | from Products.CMFCore.DirectoryView import registerDirectory |
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| 3 | from AccessControl import allow_module |
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| 4 | from Products.CMFCore.utils import getToolByName |
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| 5 | from util import SortedDict |
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| 6 | from os import path |
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| 7 | |
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| 8 | from Products.qSEOptimizer import config |
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| 9 | |
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| 10 | try: |
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| 11 | from Products.qSEOptimizer.interfaces import IKeywords |
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| 12 | zope_interface_available = True |
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| 13 | except ImportError: |
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| 14 | zope_interface_available = False |
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| 15 | |
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| 16 | allow_module('Products.qSEOptimizer.util') |
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| 17 | qSEO_globals = globals() |
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| 18 | registerDirectory('skins', qSEO_globals) |
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| 19 | |
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| 20 | try: |
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| 21 | # for Plone-2.1 and higher |
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| 22 | from Products.CMFPlone.PloneTool import PloneTool |
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| 23 | _present = hasattr(PloneTool, "listMetaTags") |
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| 24 | except ImportError: |
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| 25 | _present = False |
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| 26 | |
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[566] | 27 | def propertyItems(context): |
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| 28 | """Return a list of (id,property) tuples. |
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| 29 | """ |
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| 30 | return map(lambda i,c=context: (i['id'],getattr(c,i['id'],None)), |
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| 31 | context._properties) |
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| 32 | |
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[1] | 33 | if _present: |
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| 34 | old_lmt = PloneTool.listMetaTags |
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| 35 | |
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| 36 | def listMetaTags(self, context): |
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| 37 | portal_props = getToolByName(context, 'portal_properties') |
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| 38 | seo_props = getToolByName(portal_props, 'seo_properties', None) |
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| 39 | if seo_props is None: |
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| 40 | return old_lmt(self, context) |
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| 41 | |
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| 42 | site_props = getToolByName(portal_props, 'site_properties') |
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| 43 | exposeDCMetaTags = site_props.exposeDCMetaTags |
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| 44 | |
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| 45 | metaTags = SortedDict() |
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| 46 | metaTags.update(old_lmt(self, context)) |
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| 47 | metadataList = [ |
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| 48 | ('qSEO_Description', 'description'), |
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| 49 | ('qSEO_Keywords', 'keywords'), |
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| 50 | ('qSEO_Robots', 'robots'), |
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| 51 | ('qSEO_Distribution','distribution')] |
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| 52 | |
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| 53 | if exposeDCMetaTags: |
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| 54 | metadataList.append(('qSEO_Distribution', 'DC.distribution')) |
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| 55 | |
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| 56 | for accessor, key in metadataList: |
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| 57 | method = getattr(context, accessor, None) |
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| 58 | if not callable(method): |
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| 59 | # ups |
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| 60 | continue |
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| 61 | # Catch AttributeErrors raised by some AT applications |
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| 62 | try: |
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| 63 | value = method() |
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| 64 | except AttributeError: |
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| 65 | value = None |
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| 66 | |
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| 67 | if not value: |
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| 68 | continue |
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| 69 | if isinstance(value, (tuple, list)): |
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| 70 | value = ', '.join(value) |
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| 71 | |
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| 72 | metaTags[key] = value |
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| 73 | |
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| 74 | # add custom meta tags (added from qseo tab by user) for given context |
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| 75 | property_prefix = 'qSEO_custom_' |
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[566] | 76 | for property, value in propertyItems(context): |
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[1] | 77 | idx = property.find(property_prefix) |
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| 78 | if idx == 0 and len(property) > len(property_prefix): |
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| 79 | metaTags[property[len(property_prefix):]] = value |
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| 80 | |
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| 81 | # Set the additional matching keywords, if any |
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| 82 | if zope_interface_available: |
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| 83 | adapter = IKeywords(context, None) |
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| 84 | if adapter is not None: |
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| 85 | keywords = adapter.listKeywords() |
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| 86 | if keywords: |
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| 87 | metaTags['keywords'] = keywords |
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| 88 | |
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| 89 | return metaTags |
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| 90 | |
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| 91 | PloneTool.listMetaTags = listMetaTags |
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