... 条件式クラス ¶ このページの例では、以下のモデルを使用します: from django.db import models class Client ( models . Model ): REGULAR = "R" GOLD = "G" PLATINUM = "P" ACCOUNT_TYPE_CHOICES = { REGULAR : "Regular" , GOLD : "Gold" , PLATINUM : "Platinum" , } n ... on = models . DateField () account_type = models . CharField ( max_length = 1 , choices = ACCOUNT_TYPE_CHOICES , default = REGULAR , ) When ¶ class When ( condition = None , then = None , ** lookups ) [ソース] ¶ When() オブジェクトは、条件式で使用する条 ... o.db.models import Case , Value , When >>> Client . objects . create ( ... name = "Jane Doe" , ... account_type = Client . REGULAR , ... registered_on = date . today () - timedelta ( days = 36 ), ... ) >>> Client . objects . create ( ... name = "James S ... ... 条件式クラス ¶ このページの例では、以下のモデルを使用します: from django.db import models class Client ( models . Model ): REGULAR = "R" GOLD = "G" PLATINUM = "P" ACCOUNT_TYPE_CHOICES = { REGULAR : "Regular" , GOLD : "Gold" , PLATINUM : "Platinum" , } n ... on = models . DateField () account_type = models . CharField ( max_length = 1 , choices = ACCOUNT_TYPE_CHOICES , default = REGULAR , ) When ¶ class When ( condition = None , then = None , ** lookups ) [ソース] ¶ When() オブジェクトは、条件式で使用する条 ... o.db.models import Case , Value , When >>> Client . objects . create ( ... name = "Jane Doe" , ... account_type = Client . REGULAR , ... registered_on = date . today () - timedelta ( days = 36 ), ... ) >>> Client . objects . create ( ... name = "James S ... ... ml.urlize() function was extremely slow to evaluate certain inputs due to catastrophic backtracking vulnerabilities in two regular expressions. The urlize() function is used to implement the urlize and urlizetrunc template filters, which were thus vulne ... rable. The problematic regular expressions are replaced with parsing logic that behaves similarly. CVE-2018-7537: Denial-of-service possibility in trunca ... l=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template f ... ... html.urlize() function was extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The urlize() function is used to implement the urlize and urlizetrunc template filters, which were thus vulner ... able. The problematic regular expression is replaced with parsing logic that behaves similarly. CVE-2018-7537: Denial-of-service possibility in truncate ... l=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template f ... ... ml.urlize() function was extremely slow to evaluate certain inputs due to catastrophic backtracking vulnerabilities in two regular expressions. The urlize() function is used to implement the urlize and urlizetrunc template filters, which were thus vulne ... rable. The problematic regular expressions are replaced with parsing logic that behaves similarly. CVE-2018-7537: Denial-of-service possibility in trunca ... l=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template f ... ... html.urlize() function was extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The urlize() function is used to implement the urlize and urlizetrunc template filters, which were thus vulner ... able. The problematic regular expression is replaced with parsing logic that behaves similarly. CVE-2018-7537: Denial-of-service possibility in truncate ... l=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template f ... ... ml.urlize() function was extremely slow to evaluate certain inputs due to catastrophic backtracking vulnerabilities in two regular expressions. The urlize() function is used to implement the urlize and urlizetrunc template filters, which were thus vulne ... rable. The problematic regular expressions are replaced with parsing logic that behaves similarly. CVE-2018-7537: Denial-of-service possibility in trunca ... l=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template f ... ... ml.urlize() function was extremely slow to evaluate certain inputs due to catastrophic backtracking vulnerabilities in two regular expressions. The urlize() function is used to implement the urlize and urlizetrunc template filters, which were thus vulne ... rable. The problematic regular expressions are replaced with parsing logic that behaves similarly. CVE-2018-7537: Denial-of-service possibility in trunca ... l=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template f ... ... lidators ( EmailValidator , most seriously) didn't prohibit newline characters (due to the usage of $ instead of \Z in the regular expressions). If you use values with newlines in HTTP response or email headers, you can suffer from header injection atta ... f the form fields. The undocumented, internally unused validate_integer() function is now stricter as it validates using a regular expression instead of simply casting the value using int() and checking if an exception was raised. Denial-of-service poss ... ibility in URL validation ¶ URLValidator included a regular expression that was extremely slow to evaluate against certain invalid inputs. This regular expression has been simplified ... ... lidators ( EmailValidator , most seriously) didn't prohibit newline characters (due to the usage of $ instead of \Z in the regular expressions). If you use values with newlines in HTTP response or email headers, you can suffer from header injection atta ... f the form fields. The undocumented, internally unused validate_integer() function is now stricter as it validates using a regular expression instead of simply casting the value using int() and checking if an exception was raised. Denial-of-service poss ... ibility in URL validation ¶ URLValidator included a regular expression that was extremely slow to evaluate against certain invalid inputs. This regular expression has been simplified ... 2026年10月08日