def get_context_data(self, **kwargs):
model_name = self.kwargs['model_name']
# Get the model class.
try:
app_config = apps.get_app_config(self.kwargs['app_label'])
except LookupError:
raise Http404(_("App %(app_label)r not found") % self.kwargs)
try:
model = app_config.get_model(model_name)
except LookupError:
raise Http404(
_("Model %(model_name)r not found in app %(app_label)r") %
self.kwargs)
opts = model._meta
title, body, metadata = utils.parse_docstring(model.__doc__)
if title:
title = utils.parse_rst(title, 'model', _('model:') + model_name)
if body:
body = utils.parse_rst(body, 'model', _('model:') + model_name)
# Gather fields/field descriptions.
fields = []
for field in opts.fields:
# ForeignKey is a special case since the field will actually be a
# descriptor that returns the other object
if isinstance(field, models.ForeignKey):
data_type = field.remote_field.model.__name__
app_label = field.remote_field.model._meta.app_label
verbose = utils.parse_rst(
(_("the related `%(app_label)s.%(data_type)s` object") % {
'app_label': app_label,
'data_type': data_type,
}),
'model',
_('model:') + data_type,
)
else:
data_type = get_readable_field_data_type(field)
verbose = field.verbose_name
fields.append({
'name': field.name,
'data_type': data_type,
'verbose': verbose or '',
'help_text': field.help_text,
})
# Gather many-to-many fields.
for field in opts.many_to_many:
data_type = field.remote_field.model.__name__
app_label = field.remote_field.model._meta.app_label
verbose = _("related `%(app_label)s.%(object_name)s` objects") % {
'app_label': app_label,
'object_name': data_type,
}
fields.append({
'name':
"%s.all" % field.name,
"data_type":
'List',
'verbose':
utils.parse_rst(
_("all %s") % verbose, 'model',
_('model:') + opts.model_name),
})
fields.append({
'name':
"%s.count" % field.name,
'data_type':
'Integer',
'verbose':
utils.parse_rst(
_("number of %s") % verbose, 'model',
_('model:') + opts.model_name),
})
methods = []
# Gather model methods.
for func_name, func in model.__dict__.items():
if inspect.isfunction(func):
try:
for exclude in MODEL_METHODS_EXCLUDE:
if func_name.startswith(exclude):
raise StopIteration
except StopIteration:
continue
verbose = func.__doc__
if verbose:
verbose = utils.parse_rst(utils.trim_docstring(verbose),
'model',
_('model:') + opts.model_name)
# If a method has no arguments, show it as a 'field', otherwise
# as a 'method with arguments'.
if func_has_no_args(func) and not func_accepts_kwargs(
func) and not func_accepts_var_args(func):
fields.append({
'name': func_name,
'data_type': get_return_data_type(func_name),
'verbose': verbose or '',
})
else:
arguments = get_func_full_args(func)
# Join arguments with ', ' and in case of default value,
# join it with '='. Use repr() so that strings will be
# correctly displayed.
print_arguments = ', '.join([
'='.join(
list(arg_el[:1]) + [repr(el) for el in arg_el[1:]])
for arg_el in arguments
])
methods.append({
'name': func_name,
'arguments': print_arguments,
'verbose': verbose or '',
})
# Gather related objects
for rel in opts.related_objects:
verbose = _("related `%(app_label)s.%(object_name)s` objects") % {
'app_label': rel.related_model._meta.app_label,
'object_name': rel.related_model._meta.object_name,
}
accessor = rel.get_accessor_name()
fields.append({
'name':
"%s.all" % accessor,
'data_type':
'List',
'verbose':
utils.parse_rst(
_("all %s") % verbose, 'model',
_('model:') + opts.model_name),
})
fields.append({
'name':
"%s.count" % accessor,
'data_type':
'Integer',
'verbose':
utils.parse_rst(
_("number of %s") % verbose, 'model',
_('model:') + opts.model_name),
})
kwargs.update({
'name': '%s.%s' % (opts.app_label, opts.object_name),
'summary': title,
'description': body,
'fields': fields,
'methods': methods,
})
return super(ModelDetailView, self).get_context_data(**kwargs)
def test_func_accepts_var_args_no_var_args(self):
self.assertEqual(inspect.func_accepts_var_args(Person.one_argument), False)
def get_context_data(self, **kwargs):
model_name = self.kwargs['model_name']
# Get the model class.
try:
app_config = apps.get_app_config(self.kwargs['app_label'])
except LookupError:
raise Http404(_("App %(app_label)r not found") % self.kwargs)
try:
model = app_config.get_model(model_name)
except LookupError:
raise Http404(_("Model %(model_name)r not found in app %(app_label)r") % self.kwargs)
opts = model._meta
title, body, metadata = utils.parse_docstring(model.__doc__)
if title:
title = utils.parse_rst(title, 'model', _('model:') + model_name)
if body:
body = utils.parse_rst(body, 'model', _('model:') + model_name)
# Gather fields/field descriptions.
fields = []
for field in opts.fields:
# ForeignKey is a special case since the field will actually be a
# descriptor that returns the other object
if isinstance(field, models.ForeignKey):
data_type = field.remote_field.model.__name__
app_label = field.remote_field.model._meta.app_label
verbose = utils.parse_rst(
(_("the related `%(app_label)s.%(data_type)s` object") % {
'app_label': app_label, 'data_type': data_type,
}),
'model',
_('model:') + data_type,
)
else:
data_type = get_readable_field_data_type(field)
verbose = field.verbose_name
fields.append({
'name': field.name,
'data_type': data_type,
'verbose': verbose or '',
'help_text': field.help_text,
})
# Gather many-to-many fields.
for field in opts.many_to_many:
data_type = field.remote_field.model.__name__
app_label = field.remote_field.model._meta.app_label
verbose = _("related `%(app_label)s.%(object_name)s` objects") % {
'app_label': app_label,
'object_name': data_type,
}
fields.append({
'name': "%s.all" % field.name,
"data_type": 'List',
'verbose': utils.parse_rst(_("all %s") % verbose, 'model', _('model:') + opts.model_name),
})
fields.append({
'name': "%s.count" % field.name,
'data_type': 'Integer',
'verbose': utils.parse_rst(_("number of %s") % verbose, 'model', _('model:') + opts.model_name),
})
methods = []
# Gather model methods.
for func_name, func in model.__dict__.items():
if inspect.isfunction(func):
try:
for exclude in MODEL_METHODS_EXCLUDE:
if func_name.startswith(exclude):
raise StopIteration
except StopIteration:
continue
verbose = func.__doc__
if verbose:
verbose = utils.parse_rst(utils.trim_docstring(verbose), 'model', _('model:') + opts.model_name)
# If a method has no arguments, show it as a 'field', otherwise
# as a 'method with arguments'.
if func_has_no_args(func) and not func_accepts_kwargs(func) and not func_accepts_var_args(func):
fields.append({
'name': func_name,
'data_type': get_return_data_type(func_name),
'verbose': verbose or '',
})
else:
arguments = get_func_full_args(func)
# Join arguments with ', ' and in case of default value,
# join it with '='. Use repr() so that strings will be
# correctly displayed.
print_arguments = ', '.join([
'='.join(list(arg_el[:1]) + [repr(el) for el in arg_el[1:]])
for arg_el in arguments
])
methods.append({
'name': func_name,
'arguments': print_arguments,
'verbose': verbose or '',
})
# Gather related objects
for rel in opts.related_objects:
verbose = _("related `%(app_label)s.%(object_name)s` objects") % {
'app_label': rel.related_model._meta.app_label,
'object_name': rel.related_model._meta.object_name,
}
accessor = rel.get_accessor_name()
fields.append({
'name': "%s.all" % accessor,
'data_type': 'List',
'verbose': utils.parse_rst(_("all %s") % verbose, 'model', _('model:') + opts.model_name),
})
fields.append({
'name': "%s.count" % accessor,
'data_type': 'Integer',
'verbose': utils.parse_rst(_("number of %s") % verbose, 'model', _('model:') + opts.model_name),
})
kwargs.update({
'name': '%s.%s' % (opts.app_label, opts.object_name),
'summary': title,
'description': body,
'fields': fields,
'methods': methods,
})
return super().get_context_data(**kwargs)
def test_func_accepts_var_args_has_var_args(self):
self.assertEqual(inspect.func_accepts_var_args(Person.just_args), True)
def get_context_data(self, **kwargs):
model_name = self.kwargs["model_name"]
# Get the model class.
try:
app_config = apps.get_app_config(self.kwargs["app_label"])
except LookupError:
raise Http404(_("App %(app_label)r not found") % self.kwargs)
try:
model = app_config.get_model(model_name)
except LookupError:
raise Http404(
_("Model %(model_name)r not found in app %(app_label)r") %
self.kwargs)
opts = model._meta
title, body, metadata = utils.parse_docstring(model.__doc__)
title = title and utils.parse_rst(title, "model",
_("model:") + model_name)
body = body and utils.parse_rst(body, "model",
_("model:") + model_name)
# Gather fields/field descriptions.
fields = []
for field in opts.fields:
# ForeignKey is a special case since the field will actually be a
# descriptor that returns the other object
if isinstance(field, models.ForeignKey):
data_type = field.remote_field.model.__name__
app_label = field.remote_field.model._meta.app_label
verbose = utils.parse_rst(
(_("the related `%(app_label)s.%(data_type)s` object") % {
"app_label": app_label,
"data_type": data_type,
}),
"model",
_("model:") + data_type,
)
else:
data_type = get_readable_field_data_type(field)
verbose = field.verbose_name
fields.append({
"name": field.name,
"data_type": data_type,
"verbose": verbose or "",
"help_text": field.help_text,
})
# Gather many-to-many fields.
for field in opts.many_to_many:
data_type = field.remote_field.model.__name__
app_label = field.remote_field.model._meta.app_label
verbose = _("related `%(app_label)s.%(object_name)s` objects") % {
"app_label": app_label,
"object_name": data_type,
}
fields.append({
"name":
"%s.all" % field.name,
"data_type":
"List",
"verbose":
utils.parse_rst(
_("all %s") % verbose, "model",
_("model:") + opts.model_name),
})
fields.append({
"name":
"%s.count" % field.name,
"data_type":
"Integer",
"verbose":
utils.parse_rst(
_("number of %s") % verbose,
"model",
_("model:") + opts.model_name,
),
})
methods = []
# Gather model methods.
for func_name, func in model.__dict__.items():
if inspect.isfunction(func) or isinstance(
func, (cached_property, property)):
try:
for exclude in MODEL_METHODS_EXCLUDE:
if func_name.startswith(exclude):
raise StopIteration
except StopIteration:
continue
verbose = func.__doc__
verbose = verbose and (utils.parse_rst(
cleandoc(verbose), "model",
_("model:") + opts.model_name))
# Show properties, cached_properties, and methods without
# arguments as fields. Otherwise, show as a 'method with
# arguments'.
if isinstance(func, (cached_property, property)):
fields.append({
"name": func_name,
"data_type": get_return_data_type(func_name),
"verbose": verbose or "",
})
elif (method_has_no_args(func)
and not func_accepts_kwargs(func)
and not func_accepts_var_args(func)):
fields.append({
"name": func_name,
"data_type": get_return_data_type(func_name),
"verbose": verbose or "",
})
else:
arguments = get_func_full_args(func)
# Join arguments with ', ' and in case of default value,
# join it with '='. Use repr() so that strings will be
# correctly displayed.
print_arguments = ", ".join([
"=".join([arg_el[0], *map(repr, arg_el[1:])])
for arg_el in arguments
])
methods.append({
"name": func_name,
"arguments": print_arguments,
"verbose": verbose or "",
})
# Gather related objects
for rel in opts.related_objects:
verbose = _("related `%(app_label)s.%(object_name)s` objects") % {
"app_label": rel.related_model._meta.app_label,
"object_name": rel.related_model._meta.object_name,
}
accessor = rel.get_accessor_name()
fields.append({
"name":
"%s.all" % accessor,
"data_type":
"List",
"verbose":
utils.parse_rst(
_("all %s") % verbose, "model",
_("model:") + opts.model_name),
})
fields.append({
"name":
"%s.count" % accessor,
"data_type":
"Integer",
"verbose":
utils.parse_rst(
_("number of %s") % verbose,
"model",
_("model:") + opts.model_name,
),
})
return super().get_context_data(
**{
**kwargs,
"name": opts.label,
"summary": title,
"description": body,
"fields": fields,
"methods": methods,
})
def test_func_accepts_var_args_no_var_args(self):
self.assertIs(inspect.func_accepts_var_args(Person.one_argument),
False)
def test_func_accepts_var_args_has_var_args(self):
self.assertIs(inspect.func_accepts_var_args(Person.just_args), True)
import inspect
