def full_clean(self):
"""
Cleans all of self.data and populates self._errors and
self.cleaned_data.
"""
self._errors = ErrorDict()
if not self.is_bound: # Stop further processing.
return
self.cleaned_data = {}
# If the form is permitted to be empty, and none of the form data has
# changed from the initial data, short circuit any validation.
if self.empty_permitted and not self.has_changed():
return
for name, field in self.fields.items():
# value_from_datadict() gets the data from the data dictionaries.
# Each widget type knows how to retrieve its own data, because some
# widgets split data over several HTML fields.
value = field.widget.value_from_datadict(self.data, self.files,
self.add_prefix(name))
try:
if isinstance(field, FileField):
initial = self.initial.get(name, field.initial)
value = field.clean(value, initial)
else:
value = field.clean(value)
self.cleaned_data[name] = value
if hasattr(self, 'clean_%s' % name):
value = getattr(self, 'clean_%s' % name)()
self.cleaned_data[name] = value
except ValidationError, e:
self._errors[name] = e.messages
if name in self.cleaned_data:
del self.cleaned_data[name]
def full_clean(self):
"""
Cleans all of self.data and populates self._errors and
self.cleaned_data.
"""
self._errors = ErrorDict()
if not self.is_bound: # Stop further processing.
return
self.cleaned_data = {}
for name, field in self.fields.items():
# value_from_datadict() gets the data from the dictionary.
# Each widget type knows how to retrieve its own data, because some
# widgets split data over several HTML fields.
value = field.widget.value_from_datadict(self.data,
self.add_prefix(name))
try:
value = field.clean(value)
self.cleaned_data[name] = value
if hasattr(self, 'clean_%s' % name):
value = getattr(self, 'clean_%s' % name)()
self.cleaned_data[name] = value
except ValidationError, e:
self._errors[name] = e.messages
if name in self.cleaned_data:
del self.cleaned_data[name]
def full_clean(self):
"""
Cleans all of self.data and populates self._errors and
self.cleaned_data.
"""
self._errors = ErrorDict()
if not self.is_bound: # Stop further processing.
return
self.cleaned_data = {}
# If the form is permitted to be empty, and none of the form data has
# changed from the initial data, short circuit any validation.
if self.empty_permitted and not self.has_changed():
return
self._clean_fields()
self._clean_form()
if self._errors:
delattr(self, 'cleaned_data')
def full_clean(self): #form接口 clean总入口
"""
Cleans all of self.data and populates self._errors and
self.cleaned_data.
"""
self._errors = ErrorDict()
if not self.is_bound: # Stop further processing.必须是已绑定的表单
return
self.cleaned_data = {
} #.is_valid()输出True的时候f.cleaned_data才会有正确的数值..否则报错 一方面进行数据的校验，另一方面转为与form中字段对应的数据类型。而clearned_data就是保存转换后的结果
# If the form is permitted to be empty, and none of the form data has
# changed from the initial data, short circuit any validation.
if self.empty_permitted and not self.has_changed(): # 如果允许为空而且数据没有改动
return
self._clean_fields()
self._clean_form()
self._post_clean()
if self._errors: # 每返回一次errors则清空一下cleaned_data(符合条件的数据)
delattr(self, 'cleaned_data')
