Python FieldListFilter.create方法代碼示例

# 需要導入模塊: from django.contrib.admin import FieldListFilter [as 別名]
# 或者: from django.contrib.admin.FieldListFilter import create [as 別名]
def get_filters(self, request):
        lookup_params = self.get_filters_params()
        use_distinct = False

        for key, value in lookup_params.items():
            if not self.model_admin.lookup_allowed(key, value):
                raise DisallowedModelAdminLookup("Filtering by %s not allowed" % key)

        filter_specs = []
        if self.list_filter:
            for list_filter in self.list_filter:
                if callable(list_filter):
                    # This is simply a custom list filter class.
                    spec = list_filter(request, lookup_params,
                        self.model, self.model_admin)
                else:
                    field_path = None
                    if isinstance(list_filter, (tuple, list)):
                        # This is a custom FieldListFilter class for a given field.
                        field, field_list_filter_class = list_filter
                    else:
                        # This is simply a field name, so use the default
                        # FieldListFilter class that has been registered for
                        # the type of the given field.
                        field, field_list_filter_class = list_filter, FieldListFilter.create
                    if not isinstance(field, models.Field):
                        field_path = field
                        field = get_fields_from_path(self.model, field_path)[-1]
                    spec = field_list_filter_class(field, request, lookup_params,
                        self.model, self.model_admin, field_path=field_path)
                    # Check if we need to use distinct()
                    use_distinct = (use_distinct or
                                    lookup_needs_distinct(self.lookup_opts,
                                                          field_path))
                if spec and spec.has_output():
                    filter_specs.append(spec)

        # At this point, all the parameters used by the various ListFilters
        # have been removed from lookup_params, which now only contains other
        # parameters passed via the query string. We now loop through the
        # remaining parameters both to ensure that all the parameters are valid
        # fields and to determine if at least one of them needs distinct(). If
        # the lookup parameters aren't real fields, then bail out.
        try:
            for key, value in lookup_params.items():
                lookup_params[key] = prepare_lookup_value(key, value)
                use_distinct = (use_distinct or
                                lookup_needs_distinct(self.lookup_opts, key))
            return filter_specs, bool(filter_specs), lookup_params, use_distinct
        except FieldDoesNotExist as e:
            six.reraise(IncorrectLookupParameters, IncorrectLookupParameters(e), sys.exc_info()[2]) 

# 需要導入模塊: from django.contrib.admin import FieldListFilter [as 別名]
# 或者: from django.contrib.admin.FieldListFilter import create [as 別名]
def get_filters(self, request):
        lookup_params = self.get_filters_params()
        use_distinct = False

        for key, value in lookup_params.items():
            if not self.model_admin.lookup_allowed(key, value):
                raise DisallowedModelAdminLookup("Filtering by %s not allowed" % key)

        filter_specs = []
        if self.list_filter:
            for list_filter in self.list_filter:
                if callable(list_filter):
                    # This is simply a custom list filter class.
                    spec = list_filter(request, lookup_params, self.model, self.model_admin)
                else:
                    field_path = None
                    if isinstance(list_filter, (tuple, list)):
                        # This is a custom FieldListFilter class for a given field.
                        field, field_list_filter_class = list_filter
                    else:
                        # This is simply a field name, so use the default
                        # FieldListFilter class that has been registered for
                        # the type of the given field.
                        field, field_list_filter_class = list_filter, FieldListFilter.create
                    if not isinstance(field, models.Field):
                        field_path = field
                        field = get_fields_from_path(self.model, field_path)[-1]
                    spec = field_list_filter_class(
                        field, request, lookup_params,
                        self.model, self.model_admin, field_path=field_path
                    )
                    # Check if we need to use distinct()
                    use_distinct = use_distinct or lookup_needs_distinct(self.lookup_opts, field_path)
                if spec and spec.has_output():
                    filter_specs.append(spec)

        # At this point, all the parameters used by the various ListFilters
        # have been removed from lookup_params, which now only contains other
        # parameters passed via the query string. We now loop through the
        # remaining parameters both to ensure that all the parameters are valid
        # fields and to determine if at least one of them needs distinct(). If
        # the lookup parameters aren't real fields, then bail out.
        try:
            for key, value in lookup_params.items():
                lookup_params[key] = prepare_lookup_value(key, value)
                use_distinct = use_distinct or lookup_needs_distinct(self.lookup_opts, key)
            return filter_specs, bool(filter_specs), lookup_params, use_distinct
        except FieldDoesNotExist as e:
            six.reraise(IncorrectLookupParameters, IncorrectLookupParameters(e), sys.exc_info()[2]) 

# 需要導入模塊: from django.contrib.admin import FieldListFilter [as 別名]
# 或者: from django.contrib.admin.FieldListFilter import create [as 別名]
def get_filters(self, request):
        lookup_params = self.get_filters_params()
        use_distinct = False

        for key, value in lookup_params.items():
            if not self.model_admin.lookup_allowed(key, value):
                raise DisallowedModelAdminLookup("Filtering by %s not allowed" % key)

        filter_specs = []
        if self.list_filter:
            for list_filter in self.list_filter:
                if callable(list_filter):
                    # This is simply a custom list filter class.
                    spec = list_filter(request, lookup_params, self.model, self.model_admin)
                else:
                    field_path = None
                    if isinstance(list_filter, (tuple, list)):
                        # This is a custom FieldListFilter class for a given field.
                        field, field_list_filter_class = list_filter
                    else:
                        # This is simply a field name, so use the default
                        # FieldListFilter class that has been registered for
                        # the type of the given field.
                        field, field_list_filter_class = list_filter, FieldListFilter.create
                    if not isinstance(field, models.Field):
                        field_path = field
                        field = get_fields_from_path(self.model, field_path)[-1]

                    lookup_params_count = len(lookup_params)
                    spec = field_list_filter_class(
                        field, request, lookup_params,
                        self.model, self.model_admin, field_path=field_path
                    )
                    # field_list_filter_class removes any lookup_params it
                    # processes. If that happened, check if distinct() is
                    # needed to remove duplicate results.
                    if lookup_params_count > len(lookup_params):
                        use_distinct = use_distinct or lookup_needs_distinct(self.lookup_opts, field_path)
                if spec and spec.has_output():
                    filter_specs.append(spec)

        # At this point, all the parameters used by the various ListFilters
        # have been removed from lookup_params, which now only contains other
        # parameters passed via the query string. We now loop through the
        # remaining parameters both to ensure that all the parameters are valid
        # fields and to determine if at least one of them needs distinct(). If
        # the lookup parameters aren't real fields, then bail out.
        try:
            for key, value in lookup_params.items():
                lookup_params[key] = prepare_lookup_value(key, value)
                use_distinct = use_distinct or lookup_needs_distinct(self.lookup_opts, key)
            return filter_specs, bool(filter_specs), lookup_params, use_distinct
        except FieldDoesNotExist as e:
            six.reraise(IncorrectLookupParameters, IncorrectLookupParameters(e), sys.exc_info()[2]) 

# 需要導入模塊: from django.contrib.admin import FieldListFilter [as 別名]
# 或者: from django.contrib.admin.FieldListFilter import create [as 別名]
def get_filters(self, request):
        lookup_params = self.get_filters_params()
        use_distinct = False

        # Normalize the types of keys
        for key, value in lookup_params.items():
            if not isinstance(key, str):
                # 'key' will be used as a keyword argument later, so Python
                # requires it to be a string.
                del lookup_params[key]
                lookup_params[force_str(key)] = value

            if not self.model_admin.lookup_allowed(key, value):
                raise DisallowedModelAdminLookup("Filtering by %s not allowed" % key)

        filter_specs = []
        if self.list_filter:
            for list_filter in self.list_filter:
                if callable(list_filter):
                    # This is simply a custom list filter class.
                    spec = list_filter(request, lookup_params,
                        self.model, self.model_admin)
                else:
                    field_path = None
                    if isinstance(list_filter, (tuple, list)):
                        # This is a custom FieldListFilter class for a given field.
                        field, field_list_filter_class = list_filter
                    else:
                        # This is simply a field name, so use the default
                        # FieldListFilter class that has been registered for
                        # the type of the given field.
                        field, field_list_filter_class = list_filter, FieldListFilter.create
                    if not isinstance(field, models.Field):
                        field_path = field
                        field = get_fields_from_path(self.model, field_path)[-1]
                    spec = field_list_filter_class(field, request, lookup_params,
                        self.model, self.model_admin, field_path=field_path)
                    # Check if we need to use distinct()
                    use_distinct = (use_distinct or
                                    lookup_needs_distinct(self.lookup_opts,
                                                          field_path))
                if spec and spec.has_output():
                    filter_specs.append(spec)

        # At this point, all the parameters used by the various ListFilters
        # have been removed from lookup_params, which now only contains other
        # parameters passed via the query string. We now loop through the
        # remaining parameters both to ensure that all the parameters are valid
        # fields and to determine if at least one of them needs distinct(). If
        # the lookup parameters aren't real fields, then bail out.
        try:
            for key, value in lookup_params.items():
                lookup_params[key] = prepare_lookup_value(key, value)
                use_distinct = (use_distinct or
                                lookup_needs_distinct(self.lookup_opts, key))
            return filter_specs, bool(filter_specs), lookup_params, use_distinct
        except FieldDoesNotExist as e:
            six.reraise(IncorrectLookupParameters, IncorrectLookupParameters(e), sys.exc_info()[2])