本文整理匯總了Python中django.db.models.fields.related.ManyToManyRel方法的典型用法代碼示例。如果您正苦於以下問題：Python related.ManyToManyRel方法的具體用法？Python related.ManyToManyRel怎麽用？Python related.ManyToManyRel使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類django.db.models.fields.related的用法示例。
在下文中一共展示了related.ManyToManyRel方法的7個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: contents
# 需要導入模塊: from django.db.models.fields import related [as 別名]
# 或者: from django.db.models.fields.related import ManyToManyRel [as 別名]
def contents(self):
from django.contrib.admin.templatetags.admin_list import _boolean_icon
from django.contrib.admin.views.main import EMPTY_CHANGELIST_VALUE
field, obj, model_admin = self.field['field'], self.form.instance, self.model_admin
try:
f, attr, value = lookup_field(field, obj, model_admin)
except (AttributeError, ValueError, ObjectDoesNotExist):
result_repr = EMPTY_CHANGELIST_VALUE
else:
if f is None:
boolean = getattr(attr, "boolean", False)
if boolean:
result_repr = _boolean_icon(value)
else:
result_repr = smart_text(value)
if getattr(attr, "allow_tags", False):
result_repr = mark_safe(result_repr)
else:
result_repr = linebreaksbr(result_repr)
else:
if isinstance(f.rel, ManyToManyRel) and value is not None:
result_repr = ", ".join(map(six.text_type, value.all()))
else:
result_repr = display_for_field(value, f)
return conditional_escape(result_repr) 示例2: contents
# 需要導入模塊: from django.db.models.fields import related [as 別名]
# 或者: from django.db.models.fields.related import ManyToManyRel [as 別名]
def contents(self):
from django.contrib.admin.templatetags.admin_list import _boolean_icon
field, obj, model_admin = self.field['field'], self.form.instance, self.model_admin
try:
f, attr, value = lookup_field(field, obj, model_admin)
except (AttributeError, ValueError, ObjectDoesNotExist):
result_repr = self.empty_value_display
else:
if f is None:
boolean = getattr(attr, "boolean", False)
if boolean:
result_repr = _boolean_icon(value)
else:
if hasattr(value, "__html__"):
result_repr = value
else:
result_repr = linebreaksbr(value)
else:
if isinstance(f.remote_field, ManyToManyRel) and value is not None:
result_repr = ", ".join(map(str, value.all()))
else:
result_repr = display_for_field(value, f, self.empty_value_display)
result_repr = linebreaksbr(result_repr)
return conditional_escape(result_repr) 示例3: add_field
# 需要導入模塊: from django.db.models.fields import related [as 別名]
# 或者: from django.db.models.fields.related import ManyToManyRel [as 別名]
def add_field(self, field):
# Insert the given field in the order in which it was created, using
# the "creation_counter" attribute of the field.
# Move many-to-many related fields from self.fields into
# self.many_to_many.
if field.rel and isinstance(field.rel, ManyToManyRel):
self.local_many_to_many.insert(bisect(self.local_many_to_many, field), field)
if hasattr(self, '_m2m_cache'):
del self._m2m_cache
else:
self.local_fields.insert(bisect(self.local_fields, field), field)
self.setup_pk(field)
if hasattr(self, '_field_cache'):
del self._field_cache
del self._field_name_cache
if hasattr(self, '_name_map'):
del self._name_map 示例4: contents
# 需要導入模塊: from django.db.models.fields import related [as 別名]
# 或者: from django.db.models.fields.related import ManyToManyRel [as 別名]
def contents(self):
from django.contrib.admin.templatetags.admin_list import _boolean_icon
field, obj, model_admin = self.field['field'], self.form.instance, self.model_admin
try:
f, attr, value = lookup_field(field, obj, model_admin)
except (AttributeError, ValueError, ObjectDoesNotExist):
result_repr = self.empty_value_display
else:
if field in self.form.fields:
widget = self.form[field].field.widget
# This isn't elegant but suffices for contrib.auth's
# ReadOnlyPasswordHashWidget.
if getattr(widget, 'read_only', False):
return widget.render(field, value)
if f is None:
if getattr(attr, 'boolean', False):
result_repr = _boolean_icon(value)
else:
if hasattr(value, "__html__"):
result_repr = value
else:
result_repr = linebreaksbr(value)
else:
if isinstance(f.remote_field, ManyToManyRel) and value is not None:
result_repr = ", ".join(map(str, value.all()))
else:
result_repr = display_for_field(value, f, self.empty_value_display)
result_repr = linebreaksbr(result_repr)
return conditional_escape(result_repr) 示例5: contents
# 需要導入模塊: from django.db.models.fields import related [as 別名]
# 或者: from django.db.models.fields.related import ManyToManyRel [as 別名]
def contents(self):
from django.contrib.admin.templatetags.admin_list import _boolean_icon
field, obj, model_admin = self.field['field'], self.form.instance, self.model_admin
try:
f, attr, value = lookup_field(field, obj, model_admin)
except (AttributeError, ValueError, ObjectDoesNotExist):
result_repr = self.empty_value_display
else:
if f is None:
boolean = getattr(attr, "boolean", False)
if boolean:
result_repr = _boolean_icon(value)
else:
if hasattr(value, "__html__"):
result_repr = value
else:
result_repr = force_text(value)
if getattr(attr, "allow_tags", False):
warnings.warn(
"Deprecated allow_tags attribute used on %s. "
"Use django.utils.html.format_html(), format_html_join(), "
"or django.utils.safestring.mark_safe() instead." % attr,
RemovedInDjango20Warning
)
result_repr = mark_safe(value)
else:
result_repr = linebreaksbr(result_repr)
else:
if isinstance(f.remote_field, ManyToManyRel) and value is not None:
result_repr = ", ".join(map(six.text_type, value.all()))
else:
result_repr = display_for_field(value, f, self.empty_value_display)
result_repr = linebreaksbr(result_repr)
return conditional_escape(result_repr) 示例6: contents
# 需要導入模塊: from django.db.models.fields import related [as 別名]
# 或者: from django.db.models.fields.related import ManyToManyRel [as 別名]
def contents(self):
from django.contrib.admin.templatetags.admin_list import _boolean_icon
field, obj, model_admin = self.field['field'], self.form.instance, self.model_admin
try:
f, attr, value = lookup_field(field, obj, model_admin)
except (AttributeError, ValueError, ObjectDoesNotExist):
result_repr = self.empty_value_display
else:
if f is None:
boolean = getattr(attr, "boolean", False)
if boolean:
result_repr = _boolean_icon(value)
else:
if hasattr(value, "__html__"):
result_repr = value
else:
result_repr = smart_text(value)
if getattr(attr, "allow_tags", False):
warnings.warn(
"Deprecated allow_tags attribute used on %s. "
"Use django.utils.safestring.format_html(), "
"format_html_join(), or mark_safe() instead." % attr,
RemovedInDjango20Warning
)
result_repr = mark_safe(value)
else:
result_repr = linebreaksbr(result_repr)
else:
if isinstance(f.remote_field, ManyToManyRel) and value is not None:
result_repr = ", ".join(map(six.text_type, value.all()))
else:
result_repr = display_for_field(value, f, self.empty_value_display)
return conditional_escape(result_repr) 示例7: child_classes
# 需要導入模塊: from django.db.models.fields import related [as 別名]
# 或者: from django.db.models.fields.related import ManyToManyRel [as 別名]
def child_classes(cls):
"""
Returns all models that have a foreign key pointing to cls.
"""
children = []
for field in cls._meta.get_fields():
if isinstance(field, (ManyToOneRel, ManyToManyRel)):
children.append(field.related_model)
return children