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Add format_list_items template filter

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Tom Byers
2020-12-17 10:46:42 +00:00
parent 51cc2a5296
commit 9716d5dbba
1 changed files with 10 additions and 0 deletions
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10
app/__init__.py
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@@ -528,6 +528,15 @@ def format_number_in_pounds_as_currency(number):
return f"{number * 100:.0f}p" return f"{number * 100:.0f}p"
def format_list_items(items, format_string, *args, **kwargs):
"""
Apply formatting to each item in an iterable. Returns a list.
Each item is made available in the format_string as the 'item' keyword argument.
example usage: ['png','svg','pdf']|format_list_items('{0}. {item}', [1,2,3]) -> ['1. png', '2. svg', '3. pdf']
"""
return [format_string.format(*args, item=item, **kwargs) for item in items]
@login_manager.user_loader @login_manager.user_loader
def load_user(user_id): def load_user(user_id):
return User.from_id(user_id) return User.from_id(user_id)
@@ -818,6 +827,7 @@ def add_template_filters(application):
format_thousands, format_thousands,
id_safe, id_safe,
convert_to_boolean, convert_to_boolean,
format_list_items,
]: ]:
application.add_template_filter(fn) application.add_template_filter(fn)