def get_label_of_field(model, field):
names = field.split(".")
name = names.pop(0)
try:
name, verbose_name = name.split(":")
return pretty_name(verbose_name)
except ValueError:
pass
if not hasattr(model, name):
try:
str_model = f"<{model._meta.model_name}>"
except:
str_model = str(model)
raise AttributeError(
f"No existe le atributo <{name}> para {str_model}.")
if len(names):
if hasattr(model, "_meta"):
return get_label_of_field(
model._meta.get_field(name).related_model, ".".join(names))
else:
attr = getattr(model, name)
return get_label_of_field(attr() if callable(attr) else attr,
".".join(names))
try:
field = model._meta.get_field(name)
label = field.verbose_name if hasattr(field, "verbose_name") else name
except FieldDoesNotExist:
label = str(model._meta.verbose_name) if name == "__str__" else name
return pretty_name(label)
def get_field_label(cls, model, field):
try:
name, verbose_name = field.split(cls.LABEL_SEPARATOR)
return pretty_name(verbose_name)
except ValueError:
pass
if "__str__" in field:
label = str(model._meta.verbose_name)
return pretty_name(label)
names = field.split(cls.FIELD_SEPARATOR)
name = names.pop(0)
if not hasattr(model, name):
str_model = (model._meta.model_name
if hasattr(model, "_meta") else str(model))
raise AttributeError(
f"Does not exist attribute <{name}> for {str_model}.")
try:
field = model._meta.get_field(name)
if len(names):
related_model = field.related_model
return cls.get_field_label(related_model,
cls.FIELD_SEPARATOR.join(names))
label = field.verbose_name
except FieldDoesNotExist:
attr = getattr(object, name)
if len(names):
return cls.get_field_label(
attr(model) if callable(attr) else attr,
cls.FIELD_SEPARATOR.join(names),
)
label = name
return pretty_name(label)
def label_for_field(name, model, model_rec=None, return_attr=False, form=None):
"""
Return a sensible label for a field name. The name can be a callable,
property (but not created with @property decorator), or the name of an
object's attribute, as well as a model field. If return_attr is True, also
return the resolved attribute (which could be a callable). This will be
None if (and only if) the name refers to a field.
"""
attr = None
try:
field = _get_non_gfk_field(model._meta, name)
try:
label = field.verbose_name
except AttributeError:
# field is likely a ForeignObjectRel
label = field.related_model._meta.verbose_name
except FieldDoesNotExist:
if name == "__str__":
label = str(model._meta.verbose_name)
attr = str
else:
if callable(name):
attr = name
elif hasattr(model_rec, name):
attr = getattr(model_rec, name)
elif hasattr(model, name):
attr = getattr(model, name)
elif form and name in form.fields:
attr = form.fields[name]
else:
message = "Unable to lookup '%s' on %s" % (name, model._meta.object_name)
if model_rec:
message += " or %s" % (model_rec.__class__.__name__,)
if form:
message += " or %s" % form.__class__.__name__
raise AttributeError(message)
if hasattr(attr, "short_description"):
label = attr.short_description
elif (isinstance(attr, property) and
hasattr(attr, "fget") and
hasattr(attr.fget, "short_description")):
label = attr.fget.short_description
elif callable(attr):
if attr.__name__ == "<lambda>":
label = "--"
else:
label = pretty_name(attr.__name__)
else:
label = pretty_name(name)
except FieldIsAForeignKeyColumnName:
label = pretty_name(name)
attr = name
if return_attr:
return (label, attr)
else:
return label
def label_for_field(name, model, model_admin=None, return_attr=False, form=None):
"""
Return a sensible label for a field name. The name can be a callable,
property (but not created with @property decorator), or the name of an
object's attribute, as well as a model field. If return_attr is True, also
return the resolved attribute (which could be a callable). This will be
None if (and only if) the name refers to a field.
"""
attr = None
try:
field = _get_non_gfk_field(model._meta, name)
try:
label = field.verbose_name
except AttributeError:
# field is likely a ForeignObjectRel
label = field.related_model._meta.verbose_name
except FieldDoesNotExist:
if name == "__str__":
label = str(model._meta.verbose_name)
attr = str
else:
if callable(name):
attr = name
elif hasattr(model_admin, name):
attr = getattr(model_admin, name)
elif hasattr(model, name):
attr = getattr(model, name)
elif form and name in form.fields:
attr = form.fields[name]
else:
message = "Unable to lookup '%s' on %s" % (name, model._meta.object_name)
if model_admin:
message += " or %s" % (model_admin.__class__.__name__,)
if form:
message += " or %s" % form.__class__.__name__
raise AttributeError(message)
if hasattr(attr, "short_description"):
label = attr.short_description
elif (isinstance(attr, property) and
hasattr(attr, "fget") and
hasattr(attr.fget, "short_description")):
label = attr.fget.short_description
elif callable(attr):
if attr.__name__ == "<lambda>":
label = "--"
else:
label = pretty_name(attr.__name__)
else:
label = pretty_name(name)
except FieldIsAForeignKeyColumnName:
label = pretty_name(name)
attr = name
if return_attr:
return (label, attr)
else:
return label
def label_for_field(name, model, view_controller=None, return_attr=False):
"""
Returns a sensible label for a field name. The name can be a callable,
property (but not created with @property decorator) or the name of an
object's attribute, as well as a genuine fields. If return_attr is
True, the resolved attribute (which could be a callable) is also returned.
This will be None if (and only if) the name refers to a field.
"""
attr = None
try:
field = _get_non_gfk_field(model._meta, name)
try:
label = field.verbose_name
except AttributeError:
# field is likely a ForeignObjectRel
label = field.related_model._meta.verbose_name
except FieldDoesNotExist:
if name == "__unicode__":
label = force_text(model._meta.verbose_name)
attr = six.text_type
elif name == "__str__":
label = force_str(model._meta.verbose_name)
attr = bytes
else:
if callable(name):
attr = name
elif view_controller is not None and hasattr(view_controller, name):
attr = getattr(view_controller, name)
elif hasattr(model, name):
attr = getattr(model, name)
else:
message = "Unable to lookup '%s' on %s" % (name, model._meta.object_name)
if view_controller:
message += " or %s" % (view_controller.__class__.__name__,)
raise AttributeError(message)
if hasattr(attr, "short_description"):
label = attr.short_description
elif (isinstance(attr, property) and
hasattr(attr, "fget") and
hasattr(attr.fget, "short_description")):
label = attr.fget.short_description
elif callable(attr):
if attr.__name__ == "<lambda>":
label = "--"
else:
label = pretty_name(attr.__name__)
else:
label = pretty_name(name)
if return_attr:
return (label, attr)
else:
return label
def _get_attr_label(owner, attr_name):
attr = getattr(owner, attr_name)
if hasattr(attr, "short_description"):
return attr.short_description
elif isinstance(attr, property) and hasattr(attr, "fget"):
if hasattr(attr.fget, "short_description"):
return attr.fget.short_description
else:
return pretty_name(attr.fget.__name__)
elif callable(attr):
return "--" if attr.__name__ == "<lambda>" else pretty_name(attr.__name__)
else:
return attr_name
def label_for_field(name, model, model_admin=None, return_attr=False):
"""
Returns a sensible label for a field name. The name can be a callable,
property (but not created with @property decorator) or the name of an
object's attribute, as well as a genuine fields. If return_attr is
True, the resolved attribute (which could be a callable) is also returned.
This will be None if (and only if) the name refers to a field.
"""
attr = None
try:
field = _get_non_gfk_field(model._meta, name)
try:
label = field.verbose_name
except AttributeError:
# field is likely a ForeignObjectRel
label = field.related_model._meta.verbose_name
except FieldDoesNotExist:
if name == "__unicode__":
label = force_text(model._meta.verbose_name)
attr = six.text_type
elif name == "__str__":
label = force_str(model._meta.verbose_name)
attr = bytes
else:
if callable(name):
attr = name
elif model_admin is not None and hasattr(model_admin, name):
attr = getattr(model_admin, name)
elif hasattr(model, name):
attr = getattr(model, name)
else:
message = "Unable to lookup '%s' on %s" % (name, model._meta.object_name)
if model_admin:
message += " or %s" % (model_admin.__class__.__name__,)
raise AttributeError(message)
if hasattr(attr, "short_description"):
label = attr.short_description
elif isinstance(attr, property) and hasattr(attr, "fget") and hasattr(attr.fget, "short_description"):
label = attr.fget.short_description
elif callable(attr):
if attr.__name__ == "<lambda>":
label = "--"
else:
label = pretty_name(attr.__name__)
else:
label = pretty_name(name)
if return_attr:
return (label, attr)
else:
return label
def _get_resource_label(self, model, field_name):
resource = self.get_resource(model)
if resource:
method_field = resource.get_method_returning_field_value(field_name)
return getattr(method_field, 'short_description', pretty_name(field_name)) if method_field else None
else:
return None
def get_headers(fields):
for field in fields:
yield {
'text': pretty_name(field),
'class_attrib': format_html(' class="column-{}"', field),
'sortable': False,
}
def get(self, request, *args, **kwargs):
if self.export_csv:
keys = ['serial_no', 'hostname', 'equipment_model', 'manufacturer',
'equipment_type__type_name', 'latest_checkout__client__name',
'latest_checkout__client__bpn', 'latest_checkout__location__building', 'latest_checkout__location__room']
verbose_keys = []
for key in keys:
split_key = key.split('__')
field = Equipment._meta.get_field(split_key[0])
while True:
if len(split_key) > 1:
field = field.remote_field.model._meta.get_field(split_key[1])
split_key = split_key[1:]
else:
verbose_keys.append(field._verbose_name or pretty_name(field.verbose_name))
break
equipment_list = self.get_queryset().values(*keys)
current_time = localtime(now()).strftime("%Y-%m-%d-%I%M")
response = HttpResponse(content_type='text/csv')
response['Content-Disposition'] = 'attachment; filename="RIMreport_' + current_time + '.csv"'
writer = csv.DictWriter(response, fieldnames=keys)
writer.writerow(dict(zip(keys, verbose_keys)))
for equipment in equipment_list:
writer.writerow(equipment)
return response
else:
return super().get(request, *args, **kwargs)
def add_fields(self, form, index):
"""appcontainer fields are no longer added to the empty form, we can inject them hooking here."""
super(AppDataBaseInlineFormSet, self).add_fields(form, index)
for name, field in form.base_fields.items():
if name not in form.fields:
form.fields[name] = deepcopy(field)
if not form.fields[name].label:
form.fields[name].label = pretty_name(name.split('.')[1])
def __init__(self, attr, heading=None, classname='', help_text=''):
self.attr = attr
self.heading = pretty_name(self.attr) if heading is None else heading
self.classname = classname
self.help_text = help_text
def required_fields(self):
raise AttributeError
def __init__(self, param_name: str, data: typing.Mapping[str, typing.Any]):
exprs = data.get('exprs') or data.get('expr')
if not exprs:
raise ValueError("Expected 'exprs' or 'expr'")
self.exprs = normalize_exprs(exprs)
self.label = data.get('label', _(pretty_name(param_name)))
self.desc_label = data.get('desc_label',
descending_fmt.format(self.label))
def add_fields(self, form, index):
"""appcontainer fields are no longer added to the empty form, we can inject them hooking here."""
super(AppDataBaseInlineFormSet, self).add_fields(form, index)
for name, field in form.base_fields.items():
if name not in form.fields:
form.fields[name] = deepcopy(field)
if not form.fields[name].label:
form.fields[name].label = pretty_name(name.split('.')[1])
def get_field_tuple(name, form_or_model):
"""Returns a tuple for the field, of given instance, identified by "name".
Instance could be a model instance, a form instance or any arbitrary object.
The returned tuple is in the form:
(label, attrs, value)
"""
name, sep, suffix = name.partition(':')
label = ""
value = ""
td_attrs = {}
field_list = get_fields(form_or_model)
field = None
if name in field_list:
field = field_list[name]
elif hasattr(form_or_model, name):
field = getattr(form_or_model, name)
if hasattr(field, 'short_description'):
name = field.short_description
if isinstance(field, models.Field):
label = '%s:' % field.verbose_name
value = '%s' % field_to_string(field, form_or_model)
elif isinstance(field, forms.Field):
bf = BoundField(form_or_model, field, name)
label = '%s' % bf.label_tag()
value = '%s' % bf
if bf.help_text:
value += '<br/><span title="%(help_text)s" class="helptext helppopup">%(help_text)s</span>' % {
"help_text": '%s' % bf.help_text
}
errors = bf.errors
if errors:
value += '<br/>\n<ul class="errorlist">\n'
for error in errors:
value += '\t<li>%s</li>\n' % error
value += '</ul>\n'
css_classes = bf.css_classes()
if css_classes:
td_attrs['class'] = css_classes
else:
name = _(pretty_name(name).lower())
label = '%s:' % name.capitalize()
value = field() if callable(field) else field
firstcap_label = label[:1].upper() + label[1:]
if suffix:
value += " " + suffix
return mark_safe(firstcap_label), flatatt(td_attrs), mark_safe(value)
def get_context(self, name, value, attrs):
context = super().get_context(name, value, attrs)
label = self._label
if label is None:
label = pretty_name(name)
context['widget']['label'] = label
return context
def build_choices(self, fields, labels):
ascending = [(param, labels.get(field, _(pretty_name(param))))
for field, param in fields.items()]
descending = [('-%s' % param,
labels.get('-%s' % param, self.descending_fmt % label))
for param, label in ascending]
# interleave the ascending and descending choices
return [val for pair in zip(ascending, descending) for val in pair]
def worldline_pretty_name(val):
all_caps_strings = ["mid", "tid", "msf", "rrn", "mcc"]
if str(val).lower() in all_caps_strings:
return str(val).upper()
elif str(val).lower() == "pmid":
return "Parent MID"
elif str(val).lower() == "merchant_dba_name":
return "Merchant DBA Name"
else:
return pretty_name(val).title()
def field_name(obj, field):
try:
name = obj.Form.declared_fields[field].label
except AttributeError as ae:
name = None
name = name or field
if name == field.replace('_', ' '):
return name.title()
if name == field:
return pretty_name(name)
return name
def _set_help_labels(self, help_links):
for field in self.fields:
if field in help_links:
if not self.fields[field].label:
label = pretty_name(field)
else:
label = self.fields[field].label
self.fields[field].label = mark_safe(
label +
' <a href="%s%s" target=_blank>[?]</a>' %
(DOC_URL, help_links[field]))
def get_form_class(self):
val_to_name = inverse_mapping(plain_filter_map)
fields = OrderedDict()
for name, filter_ in self.filters.items():
f = filter_.field
f.label = pretty_name(val_to_name[name])
fields.update({val_to_name[name]: f})
return type(str('%sForm' % self.__class__.__name__),
(self._meta.form, ), fields)
def build_choices(self, fields, labels):
ascending = [
(param, labels.get(field, _(pretty_name(param))))
for field, param in fields.items()
]
descending = [
('-%s' % param, labels.get('-%s' % param, self.descending_fmt % label))
for param, label in ascending
]
# interleave the ascending and descending choices
return [val for pair in zip(ascending, descending) for val in pair]
def __init__(self, form, field, name):
self.form = form
self.field = field
self.name = name
self.html_name = form.add_prefix(name)
self.html_initial_name = form.add_initial_prefix(name)
self.html_initial_id = form.add_initial_prefix(self.auto_id)
if self.field.label is None:
self.label = pretty_name(name)
else:
self.label = self.field.label
self.help_text = field.help_text or ''
def __init__(self, form, field, name):
self.form = form
self.field = field
self.name = name
self.html_name = form.add_prefix(name)
self.html_initial_name = form.add_initial_prefix(name)
self.html_initial_id = form.add_initial_prefix(self.auto_id)
if self.field.label is None:
self.label = pretty_name(name)
else:
self.label = self.field.label
self.help_text = field.help_text or ''
def build_choices(self, fields, labels):
# With lazy translate
ascending = [(param, labels.get(field, _(pretty_name(param))))
for field, param in fields.items()]
descending = [
('-%s' % param,
labels.get('-%s' % param,
format_lazy('{} ({})', label, _('descending'))))
for param, label in ascending
]
# interleave the ascending and descending choices
return [val for pair in zip(ascending, descending) for val in pair]
def formfield_for_manytomany(self, db_field, request=None, **kwargs):
"""
Get a form Field for a ManyToManyField.
"""
db = kwargs.get('using')
if db_field.name in self.raw_id_fields:
kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.rel, using=db)
kwargs['help_text'] = ''
elif db_field.name in (list(self.filter_vertical) + list(self.filter_horizontal)):
kwargs['widget'] = widgets.FilteredSelectMultiple(pretty_name(db_field.name), (db_field.name in self.filter_vertical))
return db_field.formfield(**kwargs)
def decorator(func):
func.mapping = MethodMapper(func, methods)
func.detail = detail
func.url_path = url_path if url_path else func.__name__
func.url_name = url_name if url_name else func.__name__
func.kwargs = kwargs
# Set descriptive arguments for viewsets
if 'name' not in kwargs and 'suffix' not in kwargs:
func.kwargs['name'] = pretty_name(func.__name__)
func.kwargs['description'] = func.__doc__ or None
return func
def decorator(func):
func.mapping = MethodMapper(func, methods)
func.detail = detail
func.url_path = url_path if url_path else func.__name__
func.url_name = url_name if url_name else func.__name__.replace('_', '-')
func.kwargs = kwargs
# Set descriptive arguments for viewsets
if 'name' not in kwargs and 'suffix' not in kwargs:
func.kwargs['name'] = pretty_name(func.__name__)
func.kwargs['description'] = func.__doc__ or None
return func
def decorator(func):
func.mapping = MethodMapper(func, methods)
func.detail = detail
func.name = name if name else pretty_name(func.__name__)
func.url_path = url_path if url_path else func.__name__
func.url_name = url_name if url_name else func.__name__.replace('_', '-')
func.kwargs = kwargs
func.kwargs.update({
'name': func.name,
'description': func.__doc__ or None
})
return func
def label_for_field(name, model, model_admin=None, return_attr=False):
attr = None
try:
field = model._meta.get_field_by_name(name)[0]
label = field.name.replace('_', ' ')
except FieldDoesNotExist:
if name == "__unicode__":
label = force_text(model._meta.verbose_name)
elif name == "__str__":
label = smart_str(model._meta.verbose_name)
else:
if callable(name):
attr = name
elif model_admin is not None and hasattr(model_admin, name):
attr = getattr(model_admin, name)
elif hasattr(model, name):
attr = getattr(model, name)
else:
message = "Unable to lookup '%s' on %s" % (
name, model._meta.object_name)
if model_admin:
message += " or %s" % (model_admin.__class__.__name__, )
raise AttributeError(message)
if hasattr(attr, "short_description"):
label = attr.short_description
elif callable(attr):
if attr.__name__ == "<lambda>":
label = "--"
else:
label = pretty_name(attr.__name__)
else:
label = pretty_name(name)
if return_attr:
return (label, attr)
else:
return label
def get_form_class(self):
val_to_name = inverse_mapping(plain_filter_map)
fields = OrderedDict()
for name, filter_ in self.filters.items():
f = filter_.field
# set label for field using filter_map
# eg. if map is {"name": "profile__name"} then set label to "Name", by default it is "Profile Name"
f.label = pretty_name(val_to_name[name])
fields.update({val_to_name[name]: f})
return type(str('%sForm' % self.__class__.__name__),
(self._meta.form, ), fields)
def validate_unique(self):
"""
Validates unique constrains on the document.
unique_with is supported now.
"""
errors = []
exclude = self._get_validation_exclusions()
for f in self.instance._fields.values():
if f.unique and f.name not in exclude:
filter_kwargs = {
f.name: getattr(self.instance, f.name),
'q_obj': None,
}
if f.unique_with:
for u_with in f.unique_with:
u_with_field = self.instance._fields[u_with]
u_with_attr = getattr(self.instance, u_with)
# handling ListField(ReferenceField()) sucks big time
# What we need to do is construct a Q object that
# queries for the pk of every list entry and only
# accepts lists with the same length as our list
if isinstance(u_with_field, ListField) and \
isinstance(u_with_field.field, ReferenceField):
q_list = [Q(**{u_with: k.pk}) for k in u_with_attr]
q = reduce(lambda x, y: x & y, q_list)
size_key = '%s__size' % u_with
q = q & Q(**{size_key: len(u_with_attr)})
filter_kwargs['q_obj'] = q & filter_kwargs['q_obj']
else:
filter_kwargs[u_with] = u_with_attr
qs = self.instance.__class__.objects.clone()
qs = qs.no_dereference().filter(**filter_kwargs)
# Exclude the current object from the query if we are editing
# an instance (as opposed to creating a new one)
if self.instance.pk is not None:
qs = qs.filter(pk__ne=self.instance.pk)
if qs.count() > 0:
message = _("%s with this %s already exists.") % (
str(capfirst(self.instance._meta.verbose_name)),
str(pretty_name(f.name))
)
err_dict = {f.name: [message]}
self._update_errors(err_dict)
errors.append(err_dict)
return errors
def decorator(func):
func.mapping = MethodMapper(func, methods)
func.detail = detail
func.url_path = url_path if url_path else func.__name__
func.url_name = url_name if url_name else func.__name__.replace('_', '-')
# These kwargs will end up being passed to `ViewSet.as_view()` within
# the router, which eventually delegates to Django's CBV `View`,
# which assigns them as instance attributes for each request.
func.kwargs = kwargs
# Set descriptive arguments for viewsets
if 'name' not in kwargs and 'suffix' not in kwargs:
func.kwargs['name'] = pretty_name(func.__name__)
func.kwargs['description'] = func.__doc__ or None
return func
def short_description(self):
"""
Ensure that the admin ``list_display`` renders the correct verbose name for translated fields.
The :func:`~django.contrib.admin.utils.label_for_field` function
uses :func:`~django.db.models.Options.get_field_by_name` to find the find and ``verbose_name``.
However, for translated fields, this option does not exist,
hence it falls back to reading the attribute and trying ``short_description``.
Ideally, translated fields should also appear in this list, to be treated like regular fields.
"""
translations_model = self.field.meta.model
if translations_model is None:
# This only happens with abstract models. The code is accessing the descriptor at the base model directly,
# not the upgraded descriptor version that contribute_translations() installed.
# Fallback to what the admin label_for_field() would have done otherwise.
return pretty_name(self.field.name)
field = translations_model._meta.get_field(self.field.name)
return field.verbose_name
def label_for_field(view, queryset, field_name):
"""
Returns the suitable lable for a field. Labels are determined as per the
following rules:
1. Model's meta class is searched for a field with matching name.
If found, fields verbose_name is used as label
2. A method on the model class with the same name is looked up.
If found, the method's 'label' attribute value is used as the label.
3. Viewset is searched for a method with the same name.
If found, the method's 'label' attribute value is used as the label.
4. If none of the above match, the specified field name is used as is.
"""
options = queryset.model._meta
try:
field = options.get_field(field_name)
if isinstance(field, RelatedField):
label = field.related_model._meta.verbose_name
else:
label = field.verbose_name
except FieldDoesNotExist:
model = queryset.model
# query the model for a method with matching name
if hasattr(model, field_name) and callable(getattr(model, field_name)):
# method exists, return its 'label' attribute value
label = getattr(getattr(model, field_name), 'label',
field_name.title())
# query the viewset for a method with matching name
elif hasattr(view._viewset, field_name) and \
callable(getattr(view._viewset, field_name)):
# method exists, return its 'label' attribute value
label = getattr(getattr(view._viewset, field_name), 'label',
field_name.title())
else:
label = pretty_name(field_name)
return {
'text': label,
'sortable': False,
'class_attrib': 'class=col-{}'.format(field_name)
}
def normalize_lookup(cls, lookup):
"""
Normalize the lookup into a tuple of ``(lookup expression, display value)``
If the ``lookup`` is already a tuple, the tuple is not altered.
If the ``lookup`` is a string, a tuple is returned with the lookup
expression used as the basis for the display value.
ex::
>>> LookupChoiceFilter.normalize_lookup(('exact', 'Equals'))
('exact', 'Equals')
>>> LookupChoiceFilter.normalize_lookup('has_key')
('has_key', 'Has key')
"""
if isinstance(lookup, str):
return (lookup, pretty_name(lookup))
return (lookup[0], lookup[1])
def normalize_lookup(cls, lookup):
"""
Normalize the lookup into a tuple of ``(lookup expression, display value)``
If the ``lookup`` is already a tuple, the tuple is not altered.
If the ``lookup`` is a string, a tuple is returned with the lookup
expression used as the basis for the display value.
ex::
>>> LookupChoiceFilter.normalize_lookup(('exact', 'Equals'))
('exact', 'Equals')
>>> LookupChoiceFilter.normalize_lookup('has_key')
('has_key', 'Has key')
"""
if isinstance(lookup, str):
return (lookup, pretty_name(lookup))
return (lookup[0], lookup[1])
def label_for_filter(model, field_name, lookup_expr, exclude=False):
"""
Create a generic label suitable for a filter.
ex::
>>> label_for_filter(Article, 'author__name', 'in')
'auther name is in'
"""
name = verbose_field_name(model, field_name)
verbose_expression = [_('exclude'), name] if exclude else [name]
# iterable lookups indicate a LookupTypeField, which should not be verbose
if isinstance(lookup_expr, six.string_types):
verbose_expression += [verbose_lookup_expr(lookup_expr)]
verbose_expression = [force_text(part) for part in verbose_expression if part]
verbose_expression = pretty_name(' '.join(verbose_expression))
return verbose_expression
from __future__ import unicode_literals
from __future__ import unicode_literals