String operations¶
This module contains operations commonly used in image processing.
-
morphocut.str.
Format
(fmt, *args, _args=None, _kwargs=None, **kwargs)[source]¶ Format strings using
str.format()
.For more information see the Python Format String Syntax.
- Parameters
fmt (str or Variable[str]) – A format in which we want our string to be.
*args (Any or Variable[Any]) – Positional arguments for positional fields in fmt.
_args (Sequence or Variable[Sequence]) – Additional positional arguments for positional fields in fmt.
_kwargs (Mapping or Variable[Mapping]) – Keyword arguments for named fields in fmt.
**kwargs (Any or Variable[Any]) – Additional keyword arguments for named fields in fmt.
As positional arguments,
str.format()
receivesargs
then_args
. As keyword arguments,str.format()
receives_kwargs
thenkwargs
. This means that keys passed as keyword arguments overwrite keys in a dict passed as_kwargs
.Example
fmt = "{},{},{},{},{},{},{a},{b},{c},{d}" args = (1, 2, 3) _args = (4, 5, 6) _kwargs = {"a": 7, "b": 8} kwargs = {"c": 9, "d": 10} with Pipeline() as pipeline: result = Format(fmt, *args, _args=_args, _kwargs=_kwargs, **kwargs)
Result: obj[result] == “1,2,3,4,5,6,7,8,9,10” for a stream object obj.
-
morphocut.str.
Parse
(fmt, string, case_sensitive=False)[source]¶ Parse information from a string.
Parse strings using a specification based on the Python Format String Syntax.
Note
The external dependency parse is required to use this Node.
- Parameters
fmt (str) – The pattern to look for in the input.
string (str) – A string input which is to be parsed
case_sensitive (bool) – Match pattern with case.
Example
fmt = "This is a {named}" string = "This is a TEST" case_sensitive = True with Pipeline() as pipeline: result = Parse(fmt, string, case_sensitive)
Result:
obj[result] == {'named': 'TEST'}
for a stream object obj.