Class InterpreterTest

pex/pex_bootstrapper.py:64–92

@attr.s(frozen=True)
class InterpreterTest(object):
    entry_point = attr.ib()  # type: str
    pex_info = attr.ib()  # type: PexInfo

    @property
    def interpreter_constraints(self):
        # type: () -> InterpreterConstraints
        return self.pex_info.interpreter_constraints

    def test_resolve(self, interpreter):
        # type: (PythonInterpreter) -> Union[ResolveError, bool]
        """Checks if `interpreter` can resolve all required distributions for the PEX under test."""
        with TRACER.timed(
            "Testing {python} can resolve PEX at {pex}".format(
                python=interpreter.binary, pex=self.entry_point
            )
        ):
            from pex.environment import PEXEnvironment

            pex_environment = PEXEnvironment.mount(
                self.entry_point,
                pex_info=self.pex_info,
                target=LocalInterpreter.create(interpreter),
            )
            try:
                pex_environment.resolve()
                return True
            except ResolveError as e:
                return e


# TODO(John Sirois): Move this to interpreter_constraints.py. As things stand, both pex/bin/pex.py