class documentation
class KeyFlattener: (source)
A KeyFlattener
computes keys for the things within curly braces in PEP-3101-style format strings as parsed by string.Formatter.parse
.
Method | __init__ |
Initialize a KeyFlattener . |
Method | flat |
Compute a string key for a given field/format/conversion. |
Instance Variable | keys |
Undocumented |
Compute a string key for a given field/format/conversion.
Parameters | |
fieldstr | A format field name. |
formatOptional[ | A format spec. |
conversion:Optional[ | A format field conversion type. |
Returns | |
str | A key specific to the given field, format and conversion, as well as the occurrence of that combination within this KeyFlattener 's lifetime. |