class PytestBinary(object):
"""A `py.test` PEX binary with an embedded default (empty) `pytest.ini` config file."""
_COVERAGE_PLUGIN_MODULE_NAME = '__{}__'.format(__name__.replace('.', '_'))
def __init__(self, interpreter, pex):
# Here we hack around `coverage.cmdline` nuking the 0th element of `sys.path` (our root pex)
# by ensuring, the root pex is on the sys.path twice.
# See: https://github.com/nedbat/coveragepy/issues/715
pex_path = pex.path()
pex_info = PexInfo.from_pex(pex_path)
pex_info.merge_pex_path(pex_path) # We're now on the sys.path twice.
PEXBuilder(pex_path, interpreter=interpreter, pex_info=pex_info).freeze()
self._pex = PEX(pex=pex_path, interpreter=interpreter)
self._interpreter = interpreter
@property
def pex(self):
"""Return the loose-source py.test binary PEX.
:rtype: :class:`pex.pex.PEX`
"""
return self._pex
@property
def interpreter(self):
"""Return the interpreter used to build this PEX.
:rtype: :class:`pex.interpreter.PythonInterpreter`
"""
return self._interpreter
@property
def config_path(self):
"""Return the absolute path of the `pytest.ini` config file in this py.test binary.
:rtype: str
"""
return os.path.join(self._pex.path(), 'pytest.ini')
@classmethod
def coverage_plugin_module(cls):
"""Return the name of the coverage plugin module embedded in this py.test binary.
:rtype: str
"""
return cls._COVERAGE_PLUGIN_MODULE_NAME
