pip._vendor.distlib.markers.Evaluator Class Reference

Inheritance diagram for pip._vendor.distlib.markers.Evaluator:

Collaboration diagram for pip._vendor.distlib.markers.Evaluator:

Public Member Functions
	evaluate (self, expr, context)

Static Public Attributes
dict	operations

Detailed Description

This class is used to evaluate marker expressions.

Member Function Documentation

evaluate()

pip._vendor.distlib.markers.Evaluator.evaluate	(		self,
			expr,
			context
	)

Evaluate a marker expression returned by the :func:`parse_requirement`
function in the specified context.

Member Data Documentation

operations

dict pip._vendor.distlib.markers.Evaluator.operations

static

Initial value:

=  {
        '==': lambda x, y: x == y,
        '===': lambda x, y: x == y,
        '~=': lambda x, y: x == y or x > y,
        '!=': lambda x, y: x != y,
        '<': lambda x, y: x < y,
        '<=': lambda x, y: x == y or x < y,
        '>': lambda x, y: x > y,
        '>=': lambda x, y: x == y or x > y,
        'and': lambda x, y: x and y,
        'or': lambda x, y: x or y,
        'in': lambda x, y: x in y,
        'not in': lambda x, y: x not in y,
    }

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

• docs/help/help-venv/lib/python3.12/site-packages/pip/_vendor/distlib/markers.py