20 июн. 2013 г. · My solution below does this by redefining vformat() so it performs the key lookup and, if the key is missing, escapes the format string with ...

22 янв. 2015 г. · I am trying to get an email template together. The message content will be dependent on values within a dictionary. However, the dictionary might not contain ...

13 июл. 2016 г. · Ignoring un-used arguments makes it possible to create arbitrary format strings for arbitrary-sized dictionaries or objects.

21 авг. 2010 г. · Is there a way to use python string.format such that no exception is thrown when an index is missing, instead an empty string is inserted.

31 мар. 2012 г. · I'm trying to do some "post"/"lazy" evaluation of arguments on my strings. Suppose i've this: s = "SELECT * FROM {table_name} WHERE {condition}"

5 нояб. 2013 г. · I want to create the string and format it with the values if they're passed and leave them blank otherwise.

1 июл. 2012 г. · You're replacing {foo} with an empty string. The question is about partial formatting for further final formatting, not ignoring missing fields.

11 июл. 2018 г. · If I have an f-string where one of the parameters may be None, is there a way to automatically omit it from the string?

27 нояб. 2013 г. · The str.format() method doesn't give you a direct method to handle missing keys or replace values. You can add a layer of indirection; pass ... Не найдено: ignore | Нужно включить: ignore

7 янв. 2021 г. · String formatting supports implicit str ifying. However, string format specifiers don't appear to be compatible with this, only explicit str objects.