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//proc/thread-self/root/opt/alt/python37/lib64/python3.7/site-packages/sqlalchemy/testing/plugin/pytestplugin.py

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try:
    # installed by bootstrap.py
    import sqla_plugin_base as plugin_base
except ImportError:
    # assume we're a package, use traditional import
    from . import plugin_base

import argparse
import collections
import inspect
import os

import pytest

try:
    import xdist  # noqa

has_xdist = True
except ImportError:
    has_xdist = False

def pytest_addoption(parser):
    group = parser.getgroup("sqlalchemy")

def make_option(name, **kw):
        callback_ = kw.pop("callback", None)
        if callback_:

class CallableAction(argparse.Action):
                def __call__(
                    self, parser, namespace, values, option_string=None
                ):
                    callback_(option_string, values, parser)

kw["action"] = CallableAction

zeroarg_callback = kw.pop("zeroarg_callback", None)
        if zeroarg_callback:

class CallableAction(argparse.Action):
                def __init__(
                    self,
                    option_strings,
                    dest,
                    default=False,
                    required=False,
                    help=None,  # noqa
                ):
                    super(CallableAction, self).__init__(
                        option_strings=option_strings,
                        dest=dest,
                        nargs=0,
                        const=True,
                        default=default,
                        required=required,
                        help=help,
                    )

def __call__(
                    self, parser, namespace, values, option_string=None
                ):
                    zeroarg_callback(option_string, values, parser)

kw["action"] = CallableAction

group.addoption(name, **kw)

plugin_base.setup_options(make_option)
    plugin_base.read_config()

def pytest_configure(config):
    pytest.register_assert_rewrite("sqlalchemy.testing.assertions")

if hasattr(config, "slaveinput"):
        plugin_base.restore_important_follower_config(config.slaveinput)
        plugin_base.configure_follower(config.slaveinput["follower_ident"])
    else:
        if config.option.write_idents and os.path.exists(
            config.option.write_idents
        ):
            os.remove(config.option.write_idents)

plugin_base.pre_begin(config.option)

plugin_base.set_coverage_flag(
        bool(getattr(config.option, "cov_source", False))
    )

plugin_base.set_skip_test(pytest.skip.Exception)

def pytest_sessionstart(session):
    plugin_base.post_begin()

def pytest_sessionfinish(session):
    plugin_base.final_process_cleanup()

if has_xdist:
    import uuid

def pytest_configure_node(node):
        # the master for each node fills slaveinput dictionary
        # which pytest-xdist will transfer to the subprocess

plugin_base.memoize_important_follower_config(node.slaveinput)

node.slaveinput["follower_ident"] = "test_%s" % uuid.uuid4().hex[0:12]
        from sqlalchemy.testing import provision

provision.create_follower_db(node.slaveinput["follower_ident"])

def pytest_testnodedown(node, error):
        from sqlalchemy.testing import provision

provision.drop_follower_db(node.slaveinput["follower_ident"])

def pytest_collection_modifyitems(session, config, items):
    # look for all those classes that specify __backend__ and
    # expand them out into per-database test cases.

# this is much easier to do within pytest_pycollect_makeitem, however
    # pytest is iterating through cls.__dict__ as makeitem is
    # called which causes a "dictionary changed size" error on py3k.
    # I'd submit a pullreq for them to turn it into a list first, but
    # it's to suit the rather odd use case here which is that we are adding
    # new classes to a module on the fly.

rebuilt_items = collections.defaultdict(
        lambda: collections.defaultdict(list)
    )
    items[:] = [
        item
        for item in items
        if isinstance(item.parent, pytest.Instance)
        and not item.parent.parent.name.startswith("_")
    ]

test_classes = set(item.parent for item in items)
    for test_class in test_classes:
        for sub_cls in plugin_base.generate_sub_tests(
            test_class.cls, test_class.parent.module
        ):
            if sub_cls is not test_class.cls:
                per_cls_dict = rebuilt_items[test_class.cls]

for inst in pytest.Class(
                    sub_cls.__name__, parent=test_class.parent.parent
                ).collect():
                    for t in inst.collect():
                        per_cls_dict[t.name].append(t)

newitems = []
    for item in items:
        if item.parent.cls in rebuilt_items:
            newitems.extend(rebuilt_items[item.parent.cls][item.name])
        else:
            newitems.append(item)

# seems like the functions attached to a test class aren't sorted already?
    # is that true and why's that? (when using unittest, they're sorted)
    items[:] = sorted(
        newitems,
        key=lambda item: (
            item.parent.parent.parent.name,
            item.parent.parent.name,
            item.name,
        ),
    )

def pytest_pycollect_makeitem(collector, name, obj):
    if inspect.isclass(obj) and plugin_base.want_class(obj):
        return pytest.Class(name, parent=collector)
    elif (
        inspect.isfunction(obj)
        and isinstance(collector, pytest.Instance)
        and plugin_base.want_method(collector.cls, obj)
    ):
        return pytest.Function(name, parent=collector)
    else:
        return []

_current_class = None

def pytest_runtest_setup(item):
    # here we seem to get called only based on what we collected
    # in pytest_collection_modifyitems.   So to do class-based stuff
    # we have to tear that out.
    global _current_class

if not isinstance(item, pytest.Function):
        return

# ... so we're doing a little dance here to figure it out...
    if _current_class is None:
        class_setup(item.parent.parent)
        _current_class = item.parent.parent

# this is needed for the class-level, to ensure that the
        # teardown runs after the class is completed with its own
        # class-level teardown...
        def finalize():
            global _current_class
            class_teardown(item.parent.parent)
            _current_class = None

item.parent.parent.addfinalizer(finalize)

test_setup(item)

def pytest_runtest_teardown(item):
    # ...but this works better as the hook here rather than
    # using a finalizer, as the finalizer seems to get in the way
    # of the test reporting failures correctly (you get a bunch of
    # py.test assertion stuff instead)
    test_teardown(item)

def test_setup(item):
    plugin_base.before_test(
        item, item.parent.module.__name__, item.parent.cls, item.name
    )

def test_teardown(item):
    plugin_base.after_test(item)

def class_setup(item):
    plugin_base.start_test_class(item.cls)

def class_teardown(item):
    plugin_base.stop_test_class(item.cls)

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Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2023-12-06 03:19:27	Edit Download recursive recursive
bootstrap.py	1.43 KB	lrw-r--r--	2019-07-21 20:36:19	Edit Download recursive recursive
plugin_base.py	19.23 KB	lrw-r--r--	2019-07-21 20:36:19	Edit Download recursive recursive
pytestplugin.py	7.00 KB	lrw-r--r--	2019-07-21 20:36:19	Edit Download recursive recursive
__init__.py	0 B	lrw-r--r--	2019-07-21 20:36:19	Edit Download recursive recursive

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