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How to use has_view_permission method in Kiwi

Best Python code snippet using Kiwi_python

selector.py

Source:selector.py

1from plone.app.i18n.locales.browser.selector import LanguageSelector2from plone.app.layout.navigation.interfaces import INavigationRoot3from zope.component import getMultiAdapter4from AccessControl.SecurityManagement import getSecurityManager5from Acquisition import aq_chain6from Acquisition import aq_inner7from Products.CMFCore.interfaces import ISiteRoot8from ZTUtils import make_query9from Products.LinguaPlone.interfaces import ITranslatable10class TranslatableLanguageSelector(LanguageSelector):11    """Language selector for translatable content.12    """13    set_language = True14    def available(self):15        if self.tool is not None:16            selector = self.tool.showSelector()17            languages = len(self.tool.getSupportedLanguages()) > 118            return selector and languages19        return False20    def _translations(self, missing):21        # Figure out the "closest" translation in the parent chain of the22        # context. We stop at both an INavigationRoot or an ISiteRoot to look23        # for translations. We do want to find something that is definitely24        # in the language the user asked for.25        context = aq_inner(self.context)26        translations = {}27        chain = aq_chain(context)28        first_pass = True29        _checkPermission = getSecurityManager().checkPermission30        for item in chain:31            if ISiteRoot.providedBy(item):32                # We have a site root, which works as a fallback33                has_view_permission = bool(_checkPermission('View', item))34                for c in missing:35                    translations[c] = (item, first_pass, has_view_permission)36                break37            translatable = ITranslatable(item, None)38            if translatable is None:39                continue40            item_trans = item.getTranslations(review_state=False)41            for code, trans in item_trans.items():42                code = str(code)43                if code not in translations:44                    # make a link to a translation only if the user45                    # has view permission46                    has_view_permission = bool(_checkPermission('View', trans))47                    if (not INavigationRoot.providedBy(item)48                            and not has_view_permission):49                        continue50                    # If we don't yet have a translation for this language51                    # add it and mark it as found52                    translations[code] = (53                        trans, first_pass, has_view_permission54                    )55                    missing = missing - set((code, ))56            if len(missing) <= 0:57                # We have translations for all58                break59            if INavigationRoot.providedBy(item):60                # Don't break out of the navigation root jail61                has_view_permission = bool(_checkPermission('View', item))62                for c in missing:63                    translations[c] = (item, False, has_view_permission)64                break65            first_pass = False66        # return a dict of language code to tuple. the first tuple element is67        # the translated object, the second argument indicates wether the68        # translation is a direct translation of the context or something from69        # higher up the translation chain70        return translations71    def _findpath(self, path, path_info):72        # We need to find the actual translatable content object. As an73        # optimization we assume it is one of the last three path segments74        match = filter(None, path[-3:])75        current_path = filter(None, path_info.split('/'))76        append_path = []77        stop = False78        while current_path and not stop:79            check = current_path.pop()80            if check == 'VirtualHostRoot' or check.startswith('_vh_'):81                # Once we hit a VHM marker, we should stop82                break83            if check not in match:84                append_path.insert(0, check)85            else:86                stop = True87        if append_path:88            append_path.insert(0, '')89        return append_path90    def languages(self):91        context = aq_inner(self.context)92        results = LanguageSelector.languages(self)93        supported_langs = [v['code'] for v in results]94        missing = set([str(c) for c in supported_langs])95        translations = self._translations(missing)96        # We want to preserve the current template / view as used for the97        # current object and also use it for the other languages98        append_path = self._findpath(context.getPhysicalPath(),99                                     self.request.get('PATH_INFO', ''))100        formvariables = get_formvariables(self.request)101        _checkPermission = getSecurityManager().checkPermission102        non_viewable = set()103        for data in results:104            code = str(data['code'])105            data['translated'] = code in translations.keys()106            set_language = '?set_language=%s' % code107            try:108                appendtourl = '/'.join(append_path)109                if self.set_language:110                    appendtourl += '?' + make_query(formvariables,111                                                    dict(set_language=code))112                elif formvariables:113                    appendtourl += '?' + make_query(formvariables)114            except UnicodeError:115                appendtourl = '/'.join(append_path)116                if self.set_language:117                    appendtourl += set_language118            if data['translated']:119                trans, direct, has_view_permission = translations[code]120                if not has_view_permission:121                    # shortcut if the user cannot see the item122                    non_viewable.add((data['code']))123                    continue124                state = getMultiAdapter(125                    (trans, self.request), name='plone_context_state'126                )127                if direct:128                    data['url'] = state.canonical_object_url() + appendtourl129                else:130                    data['url'] = state.canonical_object_url() + set_language131            else:132                has_view_permission = bool(_checkPermission('View', context))133                # Ideally, we should also check the View permission of default134                # items of folderish objects.135                # However, this would be expensive at it would mean that the136                # default item should be loaded as well.137                #138                # IOW, it is a conscious decision to not take in account the139                # use case where a user has View permission a folder but not on140                # its default item.141                if not has_view_permission:142                    non_viewable.add((data['code']))143                    continue144                state = getMultiAdapter(145                    (context, self.request), name='plone_context_state'146                )147                try:148                    data['url'] = state.canonical_object_url() + appendtourl149                except AttributeError:150                    data['url'] = context.absolute_url() + appendtourl151        # filter out non-viewable items152        results = [r for r in results if r['code'] not in non_viewable]153        return results154def get_formvariables(request):155    formvariables = {}156    if request.get("REQUEST_METHOD", "").upper() == "GET":157        for k, v in request.form.items():158            if isinstance(v, unicode):159                formvariables[k] = v.encode('utf-8')160            else:161                formvariables[k] = v...

admin.py

Source:admin.py

...5    list_filter = ["birth_date", "first_name", "last_name"]6    search_fields = ["id", "birth_date", "first_name", "last_name"]7    def has_delete_permission(self, request, obj=None):8        return request.user.is_superuser9    def has_view_permission(self, request, obj=None):10        return request.user.is_superuser11    def has_add_permission(self, request):12        return request.user.is_superuser13    def has_change_permission(self, request, obj=None):14        return request.user.is_superuser15class InstructorAdmin(admin.ModelAdmin):16    list_display = ["user_name", "email", "birth_date"]17    list_filter = ["birth_date", "first_name", "last_name", "degree"]18    search_fields = ["birth_date", "first_name", "last_name", "degree"]19    def has_delete_permission(self, request, obj=None):20        return request.user.is_superuser21    def has_view_permission(self, request, obj=None):22        return request.user.is_superuser23    def has_add_permission(self, request):24        return request.user.is_superuser25    def has_change_permission(self, request, obj=None):26        return request.user.is_superuser27class CourseAdmin(admin.ModelAdmin):28    list_display = ["name", "id"]29    list_filter = ["name", "instructors", "users"]30    search_fields = ["instructors", "users"]31    def has_delete_permission(self, request, obj=None):32        return request.user.is_superuser or obj and request.user in obj.instructors33    def has_view_permission(self, request, obj=None):34        return True35    def has_add_permission(self, request):36        return request.user.is_superuser37    def has_change_permission(self, request, obj=None):38        return request.user.is_superuser or obj and request.user in obj.instructors39class LessonAdmin(admin.ModelAdmin):40    def has_delete_permission(self, request, obj=None):41        return request.user.is_superuser or obj and request.user in obj.course.instructors42    def has_view_permission(self, request, obj=None):43        return True44    def has_add_permission(self, request, obj=None):45        return request.user.is_superuser or obj and request.user in obj.course.instructors46    def has_change_permission(self, request, obj=None):47        return request.user.is_superuser or obj and request.user in obj.course.instructors48class EnrollmentAdmin(admin.ModelAdmin):49    pass50class QuestionAdmin(admin.ModelAdmin):51    def has_delete_permission(self, request, obj=None):52        return request.user.is_superuser or obj and request.user in obj.course.instructors53    def has_view_permission(self, request, obj=None):54        return True55    def has_add_permission(self, request, obj=None):56        return request.user.is_superuser or obj and request.user in obj.course.instructors57    def has_change_permission(self, request, obj=None):58        return request.user.is_superuser or obj and request.user in obj.course.instructors59class ChoiceAdmin(admin.ModelAdmin):60    def has_delete_permission(self, request, obj=None):61        return request.user.is_superuser or obj and request.user in obj.question.course.instructors62    def has_view_permission(self, request, obj=None):63        return True64    def has_add_permission(self, request, obj=None):65        return request.user.is_superuser or obj and request.user in obj.question.course.instructors66    def has_change_permission(self, request, obj=None):67        return request.user.is_superuser or obj and request.user in obj.question.course.instructors68class PostAdmin(admin.ModelAdmin):69    pass70class CommentAdmin(admin.ModelAdmin):71    pass72admin.site.register(Course, CourseAdmin)73admin.site.register(Lesson, LessonAdmin)74admin.site.register(Instructor, InstructorAdmin)75admin.site.register(Learner, LearnerAdmin)76admin.site.register(Question, QuestionAdmin)...

base_admin.py

Source:base_admin.py

...5from django.core.exceptions import PermissionDenied6from django.contrib import admin7from django.contrib.contenttypes.models import ContentType8class BaseAdmin(admin.ModelAdmin):9    def has_view_permission(self, request):10        model = self.model11        ct = ContentType.objects.get_for_model(model)12        return request.user.has_perm('{0}.view_{1}'.format(13                model._meta.app_label, model.__name__.lower()))14    def get_model_perms(self, request):15        perms = super(BaseAdmin, self).get_model_perms(request)16        perms['view'] = self.has_view_permission(request)17        perms['change'] = perms['view'] or perms['change']18        return perms19    def has_change_permission(self, request, obj=None):20        if getattr(request, 'readonly', False):21            return True22        return super(BaseAdmin, self).has_change_permission(request, obj)23    def changelist_view(self, request, extra_context=None):24        try:25            return super(BaseAdmin, self).changelist_view(26                request, extra_context=extra_context)27        except PermissionDenied:28            pass29        if request.method == 'POST':30            raise PermissionDenied31        if self.has_view_permission(request):32            request.readonly = True33        return super(BaseAdmin, self).changelist_view(34            request, extra_context=extra_context)35    def change_view(self, request, object_id, extra_context=None):36        try:37            return super(BaseAdmin, self).change_view(38                request, object_id, extra_context=extra_context)39        except PermissionDenied:40            pass41        if request.method == 'POST':42            raise PermissionDenied43        if self.has_view_permission(request):44            request.readonly = True45        return super(BaseAdmin, self).change_view(...

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