本文整理汇总了Python中page.Page.validate方法的典型用法代码示例。如果您正苦于以下问题：Python Page.validate方法的具体用法？Python Page.validate怎么用？Python Page.validate使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类page.Page的用法示例。
在下文中一共展示了Page.validate方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: validate
# 需要导入模块: from page import Page [as 别名]
# 或者: from page.Page import validate [as 别名]
def validate(self, **kw):
# validate_edit only comes into force for field-by-field-edit style page so maybe belongs in a
# subclass
self.filename, = kw.pop('filename_', ('?fn',))
self.calling_script, = kw.pop('calling_script_', ('?cs',))
self.line_ = list(map(int, kw.pop('line_', (-1, -1))))
if not Page.validate(self, **kw):
return False
self.ee = None
# we must avoid trying to create an entity which already exists according to the source file.
self.EntityClass.by_range(self.line_).detach()
# we usually need the following so let's get it done now.
with open(self.filename, 'r') as module_src:
self.all_lines = module_src.readlines()
# the following method of dermining whether we're here as a from validator
# is a bit stange but works.
self.submitting = os.environ.get("REQUEST_METHOD") == "POST"
if self.submitting and self.EntityClass:
# So the user has finished editing an item which was taken from a page containing a list of such items.
# If we're happy with his edit we return to that list page, otherwsie we stay on this page and helphim sort it out.
#
self.form = cgi.FieldStorage()
requested_action = self.form.getfirst('button_')
if requested_action in ('Add', 'Modify'):
try:
# Retrieve the fields and values and use thses to create a new or replacement instance.
answers = [(mfs.name, mfs.value) for mfs in self.form.list if not mfs.name.endswith('_')]
self.new_instance = self.EntityClass(**dict(answers))
except EntityError as ee:
# except Exception as ee:
# except KeyError as ee:
print(ee, file=sys.stderr)
self.ee = ee
#print("Location: " + self.href('/testing/test3.py', {'exc': (str(ee),)}, "#%s" % self.line_[0]) + "\n\n")
#return None
if self.ee is None:
# incorporate the updated entry into the module:
if requested_action != 'Cancel':
with open(self.filename, 'w') as module_src:
module_src.writelines(self.all_lines[:self.line_[requested_action=='Add']])
if requested_action != 'Delete':
module_src.write(str(self.new_instance))
module_src.writelines(self.all_lines[self.line_[1]:])
print("Location: " + self.href(self.calling_script, {}, "#%s" % self.line_[0]) + "\n\n")
return None
else:
return True
else:
item_string = ''.join(self.all_lines[slice(*self.line_)])
print(item_string, file=sys.stderr)
#print("Location: " + self.href('/testing/test3.py', {'item_string_': (str('item_string'),)}, "#%s" % self.line_[0]) + "\n\n")
# return None
self.new_instance = self.evaluate(item_string)
return True