""" hook specifications for pytest plugins, invoked from main.py and builtin plugins.  """

# -------------------------------------------------------------------------
# Initialization
# -------------------------------------------------------------------------

def pytest_addhooks(pluginmanager):
    """called at plugin load time to allow adding new hooks via a call to
    pluginmanager.registerhooks(module)."""


def pytest_namespace():
    """return dict of name->object to be made globally available in
    the py.test/pytest namespace.  This hook is called before command
    line options are parsed.
    """

def pytest_cmdline_parse(pluginmanager, args):
    """return initialized config object, parsing the specified args. """
pytest_cmdline_parse.firstresult = True

def pytest_cmdline_preparse(config, args):
    """modify command line arguments before option parsing. """

def pytest_addoption(parser):
    """register optparse-style options and ini-style config values.

    This function must be implemented in a :ref:`plugin <pluginorder>` and is
    called once at the beginning of a test run.

    :arg parser: To add command line options, call
        :py:func:`parser.addoption(...) <_pytest.config.Parser.addoption>`.
        To add ini-file values call :py:func:`parser.addini(...)
        <_pytest.config.Parser.addini>`.

    Options can later be accessed through the
    :py:class:`config <_pytest.config.Config>` object, respectively:

    - :py:func:`config.getoption(name) <_pytest.config.Config.getoption>` to
      retrieve the value of a command line option.

    - :py:func:`config.getini(name) <_pytest.config.Config.getini>` to retrieve
      a value read from an ini-style file.

    The config object is passed around on many internal objects via the ``.config``
    attribute or can be retrieved as the ``pytestconfig`` fixture or accessed
    via (deprecated) ``pytest.config``.
    """

def pytest_cmdline_main(config):
    """ called for performing the main command line action. The default
    implementation will invoke the configure hooks and runtest_mainloop. """
pytest_cmdline_main.firstresult = True

def pytest_configure(config):
    """ called after command line options have been parsed
        and all plugins and initial conftest files been loaded.
    """

def pytest_unconfigure(config):
    """ called before test process is exited.  """

def pytest_runtestloop(session):
    """ called for performing the main runtest loop
    (after collection finished). """
pytest_runtestloop.firstresult = True

# -------------------------------------------------------------------------
# collection hooks
# -------------------------------------------------------------------------

def pytest_collection(session):
    """ perform the collection protocol for the given session. """
pytest_collection.firstresult = True

def pytest_collection_modifyitems(session, config, items):
    """ called after collection has been performed, may filter or re-order
    the items in-place."""

def pytest_collection_finish(session):
    """ called after collection has been performed and modified. """

def pytest_ignore_collect(path, config):
    """ return True to prevent considering this path for collection.
    This hook is consulted for all files and directories prior to calling
    more specific hooks.
    """
pytest_ignore_collect.firstresult = True

def pytest_collect_directory(path, parent):
    """ called before traversing a directory for collection files. """
pytest_collect_directory.firstresult = True

def pytest_collect_file(path, parent):
    """ return collection Node or None for the given path. Any new node
    needs to have the specified ``parent`` as a parent."""

# logging hooks for collection
def pytest_collectstart(collector):
    """ collector starts collecting. """

def pytest_itemcollected(item):
    """ we just collected a test item. """

def pytest_collectreport(report):
    """ collector finished collecting. """

def pytest_deselected(items):
    """ called for test items deselected by keyword. """

def pytest_make_collect_report(collector):
    """ perform ``collector.collect()`` and return a CollectReport. """
pytest_make_collect_report.firstresult = True

# -------------------------------------------------------------------------
# Python test function related hooks
# -------------------------------------------------------------------------

def pytest_pycollect_makemodule(path, parent):
    """ return a Module collector or None for the given path.
    This hook will be called for each matching test module path.
    The pytest_collect_file hook needs to be used if you want to
    create test modules for files that do not match as a test module.
    """
pytest_pycollect_makemodule.firstresult = True

def pytest_pycollect_makeitem(collector, name, obj):
    """ return custom item/collector for a python object in a module, or None.  """
pytest_pycollect_makeitem.firstresult = True

def pytest_pyfunc_call(pyfuncitem):
    """ call underlying test function. """
pytest_pyfunc_call.firstresult = True

def pytest_generate_tests(metafunc):
    """ generate (multiple) parametrized calls to a test function."""

# -------------------------------------------------------------------------
# generic runtest related hooks
# -------------------------------------------------------------------------
def pytest_itemstart(item, node=None):
    """ (deprecated, use pytest_runtest_logstart). """

def pytest_runtest_protocol(item, nextitem):
    """ implements the runtest_setup/call/teardown protocol for
    the given test item, including capturing exceptions and calling
    reporting hooks.

    :arg item: test item for which the runtest protocol is performed.

    :arg nexitem: the scheduled-to-be-next test item (or None if this
                  is the end my friend).  This argument is passed on to
                  :py:func:`pytest_runtest_teardown`.

    :return boolean: True if no further hook implementations should be invoked.
    """
pytest_runtest_protocol.firstresult = True

def pytest_runtest_logstart(nodeid, location):
    """ signal the start of running a single test item. """

def pytest_runtest_setup(item):
    """ called before ``pytest_runtest_call(item)``. """

def pytest_runtest_call(item):
    """ called to execute the test ``item``. """

def pytest_runtest_teardown(item, nextitem):
    """ called after ``pytest_runtest_call``.

    :arg nexitem: the scheduled-to-be-next test item (None if no further
                  test item is scheduled).  This argument can be used to
                  perform exact teardowns, i.e. calling just enough finalizers
                  so that nextitem only needs to call setup-functions.
    """

def pytest_runtest_makereport(item, call):
    """ return a :py:class:`_pytest.runner.TestReport` object
    for the given :py:class:`pytest.Item` and
    :py:class:`_pytest.runner.CallInfo`.
    """
pytest_runtest_makereport.firstresult = True

def pytest_runtest_logreport(report):
    """ process a test setup/call/teardown report relating to
    the respective phase of executing a test. """

# -------------------------------------------------------------------------
# test session related hooks
# -------------------------------------------------------------------------

def pytest_sessionstart(session):
    """ before session.main() is called. """

def pytest_sessionfinish(session, exitstatus):
    """ whole test run finishes. """


# -------------------------------------------------------------------------
# hooks for customising the assert methods
# -------------------------------------------------------------------------

def pytest_assertrepr_compare(config, op, left, right):
    """return explanation for comparisons in failing assert expressions.

    Return None for no custom explanation, otherwise return a list
    of strings.  The strings will be joined by newlines but any newlines
    *in* a string will be escaped.  Note that all but the first line will
    be indented sligthly, the intention is for the first line to be a summary.
    """

# -------------------------------------------------------------------------
# hooks for influencing reporting (invoked from _pytest_terminal)
# -------------------------------------------------------------------------

def pytest_report_header(config, startdir):
    """ return a string to be displayed as header info for terminal reporting."""

def pytest_report_teststatus(report):
    """ return result-category, shortletter and verbose word for reporting."""
pytest_report_teststatus.firstresult = True

def pytest_terminal_summary(terminalreporter):
    """ add additional section in terminal summary reporting. """

# -------------------------------------------------------------------------
# doctest hooks
# -------------------------------------------------------------------------

def pytest_doctest_prepare_content(content):
    """ return processed content for a given doctest"""
pytest_doctest_prepare_content.firstresult = True

# -------------------------------------------------------------------------
# error handling and internal debugging hooks
# -------------------------------------------------------------------------

def pytest_plugin_registered(plugin, manager):
    """ a new py lib plugin got registered. """

def pytest_plugin_unregistered(plugin):
    """ a py lib plugin got unregistered. """

def pytest_internalerror(excrepr):
    """ called for internal errors. """

def pytest_keyboard_interrupt(excinfo):
    """ called for keyboard interrupt. """
