TemplateDict

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An Args-like structure for use in ctx.actions.expand_template(), which allows for deferring evaluation of values till the execution phase.

Members

• add
• add_joined

add

TemplateDict TemplateDict.add(key, value)

Add a String value

Parameters

Parameter	Description
key	string; required A String key
value	string; required A String value

add_joined

TemplateDict TemplateDict.add_joined(key, values, *, join_with, map_each, uniquify=False, format_joined=None, allow_closure=False)

Add depset of values

Parameters

Parameter	Description
key	string; required A String key
values	depset; required The depset whose items will be joined.
join_with	string; required A delimiter string used to join together the strings obtained from applying map_each, in the same manner as string.join().
map_each	callable; required A Starlark function accepting a single argument and returning either a string, None, or a list of strings. This function is applied to each item of the depset specified in the values parameter
uniquify	bool; default is False If true, duplicate strings derived from values will be omitted. Only the first occurrence of each string will remain. Usually this feature is not needed because depsets already omit duplicates, but it can be useful if map_each emits the same string for multiple items.
format_joined	string; or None; default is None An optional format string pattern applied to the joined string. The format string must have exactly one '%s' placeholder.
allow_closure	bool; default is False If true, allows the use of closures in function parameters like map_each. Usually this isn't necessary and it risks retaining large analysis-phase data structures into the execution phase.