Python util.is_related_field方法代码示例

# 需要导入模块: from xadmin import util [as 别名]
# 或者: from xadmin.util import is_related_field [as 别名]
def choices(self):
        yield {
            'selected': self.lookup_exact_val == '' and not self.lookup_isnull_val,
            'query_string': self.query_string({},
                                              [self.lookup_exact_name, self.lookup_isnull_name]),
            'display': _('All'),
        }
        for pk_val, val in self.lookup_choices:
            yield {
                'selected': self.lookup_exact_val == smart_text(pk_val),
                'query_string': self.query_string({
                    self.lookup_exact_name: pk_val,
                }, [self.lookup_isnull_name]),
                'display': val,
            }
        if (is_related_field(self.field)
                and self.field.field.null or hasattr(self.field, 'rel')
                and self.field.null):
            yield {
                'selected': bool(self.lookup_isnull_val),
                'query_string': self.query_string({
                    self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': EMPTY_CHANGELIST_VALUE,
            } 

# 需要导入模块: from xadmin import util [as 别名]
# 或者: from xadmin.util import is_related_field [as 别名]
def choices(self):
        yield {
            'selected': self.lookup_exact_val == '' and not self.lookup_isnull_val,
            'query_string': self.query_string({},
                                              [self.lookup_exact_name, self.lookup_isnull_name]),
            'display': _('All'),
        }
        for pk_val, val in self.lookup_choices:
            yield {
                'selected': self.lookup_exact_val == smart_text(pk_val),
                'query_string': self.query_string({
                    self.lookup_exact_name: pk_val,
                }, [self.lookup_isnull_name]),
                'display': val,
            }
        if (is_related_field(self.field)
                and self.field.field.null or hasattr(self.field, 'remote_field')
                and self.field.null):
            yield {
                'selected': bool(self.lookup_isnull_val),
                'query_string': self.query_string({
                    self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': EMPTY_CHANGELIST_VALUE,
            } 

# 需要导入模块: from xadmin import util [as 别名]
# 或者: from xadmin.util import is_related_field [as 别名]
def choices(self):
        yield {
            'selected': self.lookup_exact_val == '' and not self.lookup_isnull_val,
            'query_string': self.query_string({},
                                              [self.lookup_exact_name, self.lookup_isnull_name]),
            'display': _('All'),
        }
        for pk_val, val in self.lookup_choices:
            yield {
                'selected': self.lookup_exact_val == smart_unicode(pk_val),
                'query_string': self.query_string({
                    self.lookup_exact_name: pk_val,
                }, [self.lookup_isnull_name]),
                'display': val,
            }
        if (is_related_field(self.field)
                and self.field.field.null or hasattr(self.field, 'rel')
                and self.field.null):
            yield {
                'selected': bool(self.lookup_isnull_val),
                'query_string': self.query_string({
                    self.lookup_isnull_name: 'True',
                }, [self.lookup_exact_name]),
                'display': EMPTY_CHANGELIST_VALUE,
            } 

# 需要导入模块: from xadmin import util [as 别名]
# 或者: from xadmin.util import is_related_field [as 别名]
def has_output(self):
        if (is_related_field(self.field)
                and self.field.field.null or hasattr(self.field, 'rel')
                and self.field.null):
            extra = 1
        else:
            extra = 0
        return len(self.lookup_choices) + extra > 1 

# 需要导入模块: from xadmin import util [as 别名]
# 或者: from xadmin.util import is_related_field [as 别名]
def has_output(self):
        if (is_related_field(self.field)
                and self.field.field.null or hasattr(self.field, 'remote_field')
                and self.field.null):
            extra = 1
        else:
            extra = 0
        return len(self.lookup_choices) + extra > 1 

# 需要导入模块: from xadmin import util [as 别名]
# 或者: from xadmin.util import is_related_field [as 别名]
def lookup_allowed(self, lookup, value):
        model = self.model
        # Check FKey lookups that are allowed, so that popups produced by
        # ForeignKeyRawIdWidget, on the basis of ForeignKey.limit_choices_to,
        # are allowed to work.
        for l in model._meta.related_fkey_lookups:
            for k, v in widgets.url_params_from_lookup_dict(l).items():
                if k == lookup and v == value:
                    return True

        parts = lookup.split(LOOKUP_SEP)

        # Last term in lookup is a query term (__exact, __startswith etc)
        # This term can be ignored.
        if len(parts) > 1 and parts[-1] in QUERY_TERMS:
            parts.pop()

        # Special case -- foo__id__exact and foo__id queries are implied
        # if foo has been specificially included in the lookup list; so
        # drop __id if it is the last part. However, first we need to find
        # the pk attribute name.
        rel_name = None
        for part in parts[:-1]:
            try:
                field = model._meta.get_field(part)
            except FieldDoesNotExist:
                # Lookups on non-existants fields are ok, since they're ignored
                # later.
                return True
            if hasattr(field, 'rel'):
                model = field.rel.to
                rel_name = field.rel.get_related_field().name
            elif is_related_field(field):
                model = field.model
                rel_name = model._meta.pk.name
            else:
                rel_name = None
        if rel_name and len(parts) > 1 and parts[-1] == rel_name:
            parts.pop()

        if len(parts) == 1:
            return True
        clean_lookup = LOOKUP_SEP.join(parts)
        return clean_lookup in self.list_filter 

# 需要导入模块: from xadmin import util [as 别名]
# 或者: from xadmin.util import is_related_field [as 别名]
def lookup_allowed(self, lookup, value):
        model = self.model
        # Check FKey lookups that are allowed, so that popups produced by
        # ForeignKeyRawIdWidget, on the basis of ForeignKey.limit_choices_to,
        # are allowed to work.
        for l in model._meta.related_fkey_lookups:
            for k, v in widgets.url_params_from_lookup_dict(l).items():
                if k == lookup and v == value:
                    return True
 
        parts = lookup.split(LOOKUP_SEP)
 
        # Last term in lookup is a query term (__exact, __startswith etc)
        # This term can be ignored.
        if len(parts) > 1 and parts[-1] in QUERY_TERMS:
            parts.pop()
 
        # Special case -- foo__id__exact and foo__id queries are implied
        # if foo has been specificially included in the lookup list; so
        # drop __id if it is the last part. However, first we need to find
        # the pk attribute name.
        rel_name = None
        for part in parts[:-1]:
            try:
                field = model._meta.get_field(part)
            except FieldDoesNotExist:
                # Lookups on non-existants fields are ok, since they're ignored
                # later.
                return True
            if hasattr(field, 'rel'):
                model = field.rel.to
                rel_name = field.rel.get_related_field().name
            elif is_related_field(field):
                model = field.model
                rel_name = model._meta.pk.name
            else:
                rel_name = None
        if rel_name and len(parts) > 1 and parts[-1] == rel_name:
            parts.pop()
 
        if len(parts) == 1:
            return True
        clean_lookup = LOOKUP_SEP.join(parts)
        return clean_lookup in self.list_quick_filter 

# 需要导入模块: from xadmin import util [as 别名]
# 或者: from xadmin.util import is_related_field [as 别名]
def lookup_allowed(self, lookup, value):
        model = self.model
        # Check FKey lookups that are allowed, so that popups produced by
        # ForeignKeyRawIdWidget, on the basis of ForeignKey.limit_choices_to,
        # are allowed to work.
        for l in model._meta.related_fkey_lookups:
            for k, v in widgets.url_params_from_lookup_dict(l).items():
                if k == lookup and v == value:
                    return True

        parts = lookup.split(LOOKUP_SEP)

        # Last term in lookup is a query term (__exact, __startswith etc)
        # This term can be ignored.
        # if len(parts) > 1 and parts[-1] in QUERY_TERMS:
        #     parts.pop()

        # Special case -- foo__id__exact and foo__id queries are implied
        # if foo has been specificially included in the lookup list; so
        # drop __id if it is the last part. However, first we need to find
        # the pk attribute name.
        rel_name = None
        for part in parts[:-1]:
            try:
                field = model._meta.get_field(part)
            except FieldDoesNotExist:
                # Lookups on non-existants fields are ok, since they're ignored
                # later.
                return True
            if hasattr(field, 'remote_field'):
                model = field.remote_field.to
                rel_name = field.remote_field.get_related_field().name
            elif is_related_field(field):
                model = field.model
                rel_name = model._meta.pk.name
            else:
                rel_name = None
        if rel_name and len(parts) > 1 and parts[-1] == rel_name:
            parts.pop()

        if len(parts) == 1:
            return True
        clean_lookup = LOOKUP_SEP.join(parts)
        return clean_lookup in self.list_filter 

# 需要导入模块: from xadmin import util [as 别名]
# 或者: from xadmin.util import is_related_field [as 别名]
def lookup_allowed(self, lookup, value):
        model = self.model
        # Check FKey lookups that are allowed, so that popups produced by
        # ForeignKeyRawIdWidget, on the basis of ForeignKey.limit_choices_to,
        # are allowed to work.
        for l in model._meta.related_fkey_lookups:
            for k, v in widgets.url_params_from_lookup_dict(l).items():
                if k == lookup and v == value:
                    return True

        parts = lookup.split(LOOKUP_SEP)

        # Last term in lookup is a query term (__exact, __startswith etc)
        # This term can be ignored.
        if len(parts) > 1 and parts[-1] in QUERY_TERMS:
            parts.pop()

        # Special case -- foo__id__exact and foo__id queries are implied
        # if foo has been specificially included in the lookup list; so
        # drop __id if it is the last part. However, first we need to find
        # the pk attribute name.
        rel_name = None
        for part in parts[:-1]:
            try:
                field = model._meta.get_field(part)
            except FieldDoesNotExist:
                # Lookups on non-existants fields are ok, since they're ignored
                # later.
                return True
            if hasattr(field, 'remote_field'):
                model = field.remote_field.model
                rel_name = field.remote_field.get_related_field().name
            elif is_related_field(field):
                model = field.model
                rel_name = model._meta.pk.name
            else:
                rel_name = None
        if rel_name and len(parts) > 1 and parts[-1] == rel_name:
            parts.pop()

        if len(parts) == 1:
            return True
        clean_lookup = LOOKUP_SEP.join(parts)
        return clean_lookup in self.list_quick_filter