lsst.pipe.base.argumentParser.ConfigValueAction Class Reference

Inheritance diagram for lsst.pipe.base.argumentParser.ConfigValueAction:

Public Member Functions
def	__call__ (self, parser, namespace, values, option_string)

Detailed Description

argparse action callback to override config parameters using
name=value pairs from the command-line.

Definition at line 1107 of file argumentParser.py.

Member Function Documentation

__call__()

def lsst.pipe.base.argumentParser.ConfigValueAction.__call__	(		self,
			parser,
			namespace,
			values,
			option_string
	)

Override one or more config name value pairs.

Parameters
----------
parser : `argparse.ArgumentParser`
    Argument parser.
namespace : `argparse.Namespace`
    Parsed command. The ``namespace.config`` attribute is updated.
values : `list`
    A list of ``configItemName=value`` pairs.
option_string : `str`
    Option value specified by the user.

Definition at line 1112 of file argumentParser.py.

    def __call__(self, parser, namespace, values, option_string):
        """Override one or more config name value pairs.
 
        Parameters
        ----------
        parser : `argparse.ArgumentParser`
            Argument parser.
        namespace : `argparse.Namespace`
            Parsed command. The ``namespace.config`` attribute is updated.
        values : `list`
            A list of ``configItemName=value`` pairs.
        option_string : `str`
            Option value specified by the user.
        """
        if namespace.config is None:
            return
        for nameValue in values:
            name, sep, valueStr = nameValue.partition("=")
            if not valueStr:
                parser.error(f"{option_string} value {nameValue} must be in form name=value")
 
            # see if setting the string value works; if not, try eval
            try:
                setDottedAttr(namespace.config, name, valueStr)
            except AttributeError:
                parser.error(f"no config field: {name}")
            except Exception:
                try:
                    value = eval(valueStr, {})
                except Exception:
                    parser.error(f"cannot parse {valueStr!r} as a value for {name}")
                try:
                    setDottedAttr(namespace.config, name, value)
                except Exception as e:
                    parser.error(f"cannot set config.{name}={value!r}: {e}")
 
 

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The documentation for this class was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-0.4.3/Linux64/pipe_base/22.0.1+94e66cc9ed/python/lsst/pipe/base/argumentParser.py