Restoring authorship annotation for <deshevoy@yandex-team.ru>. Commit 1 of 2.

1 files changed, 1283 insertions, 1283 deletions

diff --git a/contrib/python/pytest/py2/_pytest/pytester.py b/contrib/python/pytest/py2/_pytest/pytester.py
index f1d739c991..b907216770 100644
--- a/contrib/python/pytest/py2/_pytest/pytester.py
+++ b/contrib/python/pytest/py2/_pytest/pytester.py
@@ -1,342 +1,342 @@
 # -*- coding: utf-8 -*-
-"""(disabled by default) support for testing pytest and pytest plugins."""
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
-import codecs
-import gc
-import os
-import platform
-import re
-import subprocess
-import sys
-import time
-import traceback
-from fnmatch import fnmatch
-from weakref import WeakKeyDictionary
-
-import py
-import six
-
-import pytest
-from _pytest._code import Source
+"""(disabled by default) support for testing pytest and pytest plugins.""" 
+from __future__ import absolute_import 
+from __future__ import division 
+from __future__ import print_function 
+ 
+import codecs 
+import gc 
+import os 
+import platform 
+import re 
+import subprocess 
+import sys 
+import time 
+import traceback 
+from fnmatch import fnmatch 
+from weakref import WeakKeyDictionary 
+ 
+import py 
+import six 
+ 
+import pytest 
+from _pytest._code import Source 
 from _pytest._io.saferepr import saferepr
-from _pytest.assertion.rewrite import AssertionRewritingHook
-from _pytest.capture import MultiCapture
-from _pytest.capture import SysCapture
-from _pytest.compat import safe_str
+from _pytest.assertion.rewrite import AssertionRewritingHook 
+from _pytest.capture import MultiCapture 
+from _pytest.capture import SysCapture 
+from _pytest.compat import safe_str 
 from _pytest.compat import Sequence
-from _pytest.main import EXIT_INTERRUPTED
-from _pytest.main import EXIT_OK
-from _pytest.main import Session
+from _pytest.main import EXIT_INTERRUPTED 
+from _pytest.main import EXIT_OK 
+from _pytest.main import Session 
 from _pytest.monkeypatch import MonkeyPatch
-from _pytest.pathlib import Path
-
-IGNORE_PAM = [  # filenames added when obtaining details about the current user
-    u"/var/lib/sss/mc/passwd"
-]
-
-
-def pytest_addoption(parser):
-    parser.addoption(
-        "--lsof",
-        action="store_true",
-        dest="lsof",
-        default=False,
-        help="run FD checks if lsof is available",
-    )
-
-    parser.addoption(
-        "--runpytest",
-        default="inprocess",
-        dest="runpytest",
-        choices=("inprocess", "subprocess"),
-        help=(
-            "run pytest sub runs in tests using an 'inprocess' "
-            "or 'subprocess' (python -m main) method"
-        ),
-    )
-
-    parser.addini(
-        "pytester_example_dir", help="directory to take the pytester example files from"
-    )
-
-
-def pytest_configure(config):
-    if config.getvalue("lsof"):
-        checker = LsofFdLeakChecker()
-        if checker.matching_platform():
-            config.pluginmanager.register(checker)
-
+from _pytest.pathlib import Path 
+ 
+IGNORE_PAM = [  # filenames added when obtaining details about the current user 
+    u"/var/lib/sss/mc/passwd" 
+] 
+ 
+ 
+def pytest_addoption(parser): 
+    parser.addoption( 
+        "--lsof", 
+        action="store_true", 
+        dest="lsof", 
+        default=False, 
+        help="run FD checks if lsof is available", 
+    ) 
+ 
+    parser.addoption( 
+        "--runpytest", 
+        default="inprocess", 
+        dest="runpytest", 
+        choices=("inprocess", "subprocess"), 
+        help=( 
+            "run pytest sub runs in tests using an 'inprocess' " 
+            "or 'subprocess' (python -m main) method" 
+        ), 
+    ) 
+ 
+    parser.addini( 
+        "pytester_example_dir", help="directory to take the pytester example files from" 
+    ) 
+ 
+ 
+def pytest_configure(config): 
+    if config.getvalue("lsof"): 
+        checker = LsofFdLeakChecker() 
+        if checker.matching_platform(): 
+            config.pluginmanager.register(checker) 
+ 
     config.addinivalue_line(
         "markers",
         "pytester_example_path(*path_segments): join the given path "
         "segments to `pytester_example_dir` for this test.",
     )
+ 
 
-
-def raise_on_kwargs(kwargs):
+def raise_on_kwargs(kwargs): 
     __tracebackhide__ = True
     if kwargs:  # pragma: no branch
         raise TypeError(
             "Unexpected keyword arguments: {}".format(", ".join(sorted(kwargs)))
         )
-
-
-class LsofFdLeakChecker(object):
-    def get_open_files(self):
-        out = self._exec_lsof()
-        open_files = self._parse_lsof_output(out)
-        return open_files
-
-    def _exec_lsof(self):
-        pid = os.getpid()
+ 
+ 
+class LsofFdLeakChecker(object): 
+    def get_open_files(self): 
+        out = self._exec_lsof() 
+        open_files = self._parse_lsof_output(out) 
+        return open_files 
+ 
+    def _exec_lsof(self): 
+        pid = os.getpid() 
         # py3: use subprocess.DEVNULL directly.
         with open(os.devnull, "wb") as devnull:
             return subprocess.check_output(
                 ("lsof", "-Ffn0", "-p", str(pid)), stderr=devnull
             ).decode()
-
-    def _parse_lsof_output(self, out):
-        def isopen(line):
-            return line.startswith("f") and (
-                "deleted" not in line
-                and "mem" not in line
-                and "txt" not in line
-                and "cwd" not in line
-            )
-
-        open_files = []
-
-        for line in out.split("\n"):
-            if isopen(line):
-                fields = line.split("\0")
-                fd = fields[0][1:]
-                filename = fields[1][1:]
-                if filename in IGNORE_PAM:
-                    continue
-                if filename.startswith("/"):
-                    open_files.append((fd, filename))
-
-        return open_files
-
-    def matching_platform(self):
-        try:
+ 
+    def _parse_lsof_output(self, out): 
+        def isopen(line): 
+            return line.startswith("f") and ( 
+                "deleted" not in line 
+                and "mem" not in line 
+                and "txt" not in line 
+                and "cwd" not in line 
+            ) 
+ 
+        open_files = [] 
+ 
+        for line in out.split("\n"): 
+            if isopen(line): 
+                fields = line.split("\0") 
+                fd = fields[0][1:] 
+                filename = fields[1][1:] 
+                if filename in IGNORE_PAM: 
+                    continue 
+                if filename.startswith("/"): 
+                    open_files.append((fd, filename)) 
+ 
+        return open_files 
+ 
+    def matching_platform(self): 
+        try: 
             subprocess.check_output(("lsof", "-v"))
         except (OSError, subprocess.CalledProcessError):
-            return False
-        else:
-            return True
-
-    @pytest.hookimpl(hookwrapper=True, tryfirst=True)
-    def pytest_runtest_protocol(self, item):
-        lines1 = self.get_open_files()
-        yield
-        if hasattr(sys, "pypy_version_info"):
-            gc.collect()
-        lines2 = self.get_open_files()
-
-        new_fds = {t[0] for t in lines2} - {t[0] for t in lines1}
-        leaked_files = [t for t in lines2 if t[0] in new_fds]
-        if leaked_files:
-            error = []
-            error.append("***** %s FD leakage detected" % len(leaked_files))
-            error.extend([str(f) for f in leaked_files])
-            error.append("*** Before:")
-            error.extend([str(f) for f in lines1])
-            error.append("*** After:")
-            error.extend([str(f) for f in lines2])
-            error.append(error[0])
-            error.append("*** function %s:%s: %s " % item.location)
-            error.append("See issue #2366")
-            item.warn(pytest.PytestWarning("\n".join(error)))
-
-
-# used at least by pytest-xdist plugin
-
-
-@pytest.fixture
-def _pytest(request):
-    """Return a helper which offers a gethookrecorder(hook) method which
-    returns a HookRecorder instance which helps to make assertions about called
-    hooks.
-
-    """
-    return PytestArg(request)
-
-
-class PytestArg(object):
-    def __init__(self, request):
-        self.request = request
-
-    def gethookrecorder(self, hook):
-        hookrecorder = HookRecorder(hook._pm)
-        self.request.addfinalizer(hookrecorder.finish_recording)
-        return hookrecorder
-
-
-def get_public_names(values):
-    """Only return names from iterator values without a leading underscore."""
-    return [x for x in values if x[0] != "_"]
-
-
-class ParsedCall(object):
-    def __init__(self, name, kwargs):
-        self.__dict__.update(kwargs)
-        self._name = name
-
-    def __repr__(self):
-        d = self.__dict__.copy()
-        del d["_name"]
-        return "<ParsedCall %r(**%r)>" % (self._name, d)
-
-
-class HookRecorder(object):
-    """Record all hooks called in a plugin manager.
-
-    This wraps all the hook calls in the plugin manager, recording each call
-    before propagating the normal calls.
-
-    """
-
-    def __init__(self, pluginmanager):
-        self._pluginmanager = pluginmanager
-        self.calls = []
-
-        def before(hook_name, hook_impls, kwargs):
-            self.calls.append(ParsedCall(hook_name, kwargs))
-
-        def after(outcome, hook_name, hook_impls, kwargs):
-            pass
-
-        self._undo_wrapping = pluginmanager.add_hookcall_monitoring(before, after)
-
-    def finish_recording(self):
-        self._undo_wrapping()
-
-    def getcalls(self, names):
-        if isinstance(names, str):
-            names = names.split()
-        return [call for call in self.calls if call._name in names]
-
-    def assert_contains(self, entries):
-        __tracebackhide__ = True
-        i = 0
-        entries = list(entries)
-        backlocals = sys._getframe(1).f_locals
-        while entries:
-            name, check = entries.pop(0)
-            for ind, call in enumerate(self.calls[i:]):
-                if call._name == name:
-                    print("NAMEMATCH", name, call)
-                    if eval(check, backlocals, call.__dict__):
-                        print("CHECKERMATCH", repr(check), "->", call)
-                    else:
-                        print("NOCHECKERMATCH", repr(check), "-", call)
-                        continue
-                    i += ind + 1
-                    break
-                print("NONAMEMATCH", name, "with", call)
-            else:
-                pytest.fail("could not find %r check %r" % (name, check))
-
-    def popcall(self, name):
-        __tracebackhide__ = True
-        for i, call in enumerate(self.calls):
-            if call._name == name:
-                del self.calls[i]
-                return call
-        lines = ["could not find call %r, in:" % (name,)]
-        lines.extend(["  %s" % x for x in self.calls])
-        pytest.fail("\n".join(lines))
-
-    def getcall(self, name):
-        values = self.getcalls(name)
-        assert len(values) == 1, (name, values)
-        return values[0]
-
-    # functionality for test reports
-
-    def getreports(self, names="pytest_runtest_logreport pytest_collectreport"):
-        return [x.report for x in self.getcalls(names)]
-
-    def matchreport(
-        self,
-        inamepart="",
-        names="pytest_runtest_logreport pytest_collectreport",
-        when=None,
-    ):
-        """return a testreport whose dotted import path matches"""
-        values = []
-        for rep in self.getreports(names=names):
+            return False 
+        else: 
+            return True 
+ 
+    @pytest.hookimpl(hookwrapper=True, tryfirst=True) 
+    def pytest_runtest_protocol(self, item): 
+        lines1 = self.get_open_files() 
+        yield 
+        if hasattr(sys, "pypy_version_info"): 
+            gc.collect() 
+        lines2 = self.get_open_files() 
+ 
+        new_fds = {t[0] for t in lines2} - {t[0] for t in lines1} 
+        leaked_files = [t for t in lines2 if t[0] in new_fds] 
+        if leaked_files: 
+            error = [] 
+            error.append("***** %s FD leakage detected" % len(leaked_files)) 
+            error.extend([str(f) for f in leaked_files]) 
+            error.append("*** Before:") 
+            error.extend([str(f) for f in lines1]) 
+            error.append("*** After:") 
+            error.extend([str(f) for f in lines2]) 
+            error.append(error[0]) 
+            error.append("*** function %s:%s: %s " % item.location) 
+            error.append("See issue #2366") 
+            item.warn(pytest.PytestWarning("\n".join(error))) 
+ 
+ 
+# used at least by pytest-xdist plugin 
+ 
+ 
+@pytest.fixture 
+def _pytest(request): 
+    """Return a helper which offers a gethookrecorder(hook) method which 
+    returns a HookRecorder instance which helps to make assertions about called 
+    hooks. 
+ 
+    """ 
+    return PytestArg(request) 
+ 
+ 
+class PytestArg(object): 
+    def __init__(self, request): 
+        self.request = request 
+ 
+    def gethookrecorder(self, hook): 
+        hookrecorder = HookRecorder(hook._pm) 
+        self.request.addfinalizer(hookrecorder.finish_recording) 
+        return hookrecorder 
+ 
+ 
+def get_public_names(values): 
+    """Only return names from iterator values without a leading underscore.""" 
+    return [x for x in values if x[0] != "_"] 
+ 
+ 
+class ParsedCall(object): 
+    def __init__(self, name, kwargs): 
+        self.__dict__.update(kwargs) 
+        self._name = name 
+ 
+    def __repr__(self): 
+        d = self.__dict__.copy() 
+        del d["_name"] 
+        return "<ParsedCall %r(**%r)>" % (self._name, d) 
+ 
+ 
+class HookRecorder(object): 
+    """Record all hooks called in a plugin manager. 
+ 
+    This wraps all the hook calls in the plugin manager, recording each call 
+    before propagating the normal calls. 
+ 
+    """ 
+ 
+    def __init__(self, pluginmanager): 
+        self._pluginmanager = pluginmanager 
+        self.calls = [] 
+ 
+        def before(hook_name, hook_impls, kwargs): 
+            self.calls.append(ParsedCall(hook_name, kwargs)) 
+ 
+        def after(outcome, hook_name, hook_impls, kwargs): 
+            pass 
+ 
+        self._undo_wrapping = pluginmanager.add_hookcall_monitoring(before, after) 
+ 
+    def finish_recording(self): 
+        self._undo_wrapping() 
+ 
+    def getcalls(self, names): 
+        if isinstance(names, str): 
+            names = names.split() 
+        return [call for call in self.calls if call._name in names] 
+ 
+    def assert_contains(self, entries): 
+        __tracebackhide__ = True 
+        i = 0 
+        entries = list(entries) 
+        backlocals = sys._getframe(1).f_locals 
+        while entries: 
+            name, check = entries.pop(0) 
+            for ind, call in enumerate(self.calls[i:]): 
+                if call._name == name: 
+                    print("NAMEMATCH", name, call) 
+                    if eval(check, backlocals, call.__dict__): 
+                        print("CHECKERMATCH", repr(check), "->", call) 
+                    else: 
+                        print("NOCHECKERMATCH", repr(check), "-", call) 
+                        continue 
+                    i += ind + 1 
+                    break 
+                print("NONAMEMATCH", name, "with", call) 
+            else: 
+                pytest.fail("could not find %r check %r" % (name, check)) 
+ 
+    def popcall(self, name): 
+        __tracebackhide__ = True 
+        for i, call in enumerate(self.calls): 
+            if call._name == name: 
+                del self.calls[i] 
+                return call 
+        lines = ["could not find call %r, in:" % (name,)] 
+        lines.extend(["  %s" % x for x in self.calls]) 
+        pytest.fail("\n".join(lines)) 
+ 
+    def getcall(self, name): 
+        values = self.getcalls(name) 
+        assert len(values) == 1, (name, values) 
+        return values[0] 
+ 
+    # functionality for test reports 
+ 
+    def getreports(self, names="pytest_runtest_logreport pytest_collectreport"): 
+        return [x.report for x in self.getcalls(names)] 
+ 
+    def matchreport( 
+        self, 
+        inamepart="", 
+        names="pytest_runtest_logreport pytest_collectreport", 
+        when=None, 
+    ): 
+        """return a testreport whose dotted import path matches""" 
+        values = [] 
+        for rep in self.getreports(names=names): 
             if not when and rep.when != "call" and rep.passed:
                 # setup/teardown passing reports - let's ignore those
-                continue
+                continue 
             if when and rep.when != when:
                 continue
-            if not inamepart or inamepart in rep.nodeid.split("::"):
-                values.append(rep)
-        if not values:
-            raise ValueError(
-                "could not find test report matching %r: "
-                "no test reports at all!" % (inamepart,)
-            )
-        if len(values) > 1:
-            raise ValueError(
-                "found 2 or more testreports matching %r: %s" % (inamepart, values)
-            )
-        return values[0]
-
-    def getfailures(self, names="pytest_runtest_logreport pytest_collectreport"):
-        return [rep for rep in self.getreports(names) if rep.failed]
-
-    def getfailedcollections(self):
-        return self.getfailures("pytest_collectreport")
-
-    def listoutcomes(self):
-        passed = []
-        skipped = []
-        failed = []
-        for rep in self.getreports("pytest_collectreport pytest_runtest_logreport"):
-            if rep.passed:
+            if not inamepart or inamepart in rep.nodeid.split("::"): 
+                values.append(rep) 
+        if not values: 
+            raise ValueError( 
+                "could not find test report matching %r: " 
+                "no test reports at all!" % (inamepart,) 
+            ) 
+        if len(values) > 1: 
+            raise ValueError( 
+                "found 2 or more testreports matching %r: %s" % (inamepart, values) 
+            ) 
+        return values[0] 
+ 
+    def getfailures(self, names="pytest_runtest_logreport pytest_collectreport"): 
+        return [rep for rep in self.getreports(names) if rep.failed] 
+ 
+    def getfailedcollections(self): 
+        return self.getfailures("pytest_collectreport") 
+ 
+    def listoutcomes(self): 
+        passed = [] 
+        skipped = [] 
+        failed = [] 
+        for rep in self.getreports("pytest_collectreport pytest_runtest_logreport"): 
+            if rep.passed: 
                 if rep.when == "call":
-                    passed.append(rep)
-            elif rep.skipped:
-                skipped.append(rep)
+                    passed.append(rep) 
+            elif rep.skipped: 
+                skipped.append(rep) 
             else:
                 assert rep.failed, "Unexpected outcome: {!r}".format(rep)
-                failed.append(rep)
-        return passed, skipped, failed
-
-    def countoutcomes(self):
-        return [len(x) for x in self.listoutcomes()]
-
-    def assertoutcome(self, passed=0, skipped=0, failed=0):
-        realpassed, realskipped, realfailed = self.listoutcomes()
-        assert passed == len(realpassed)
-        assert skipped == len(realskipped)
-        assert failed == len(realfailed)
-
-    def clear(self):
-        self.calls[:] = []
-
-
-@pytest.fixture
-def linecomp(request):
-    return LineComp()
-
-
-@pytest.fixture(name="LineMatcher")
-def LineMatcher_fixture(request):
-    return LineMatcher
-
-
-@pytest.fixture
-def testdir(request, tmpdir_factory):
-    return Testdir(request, tmpdir_factory)
-
-
+                failed.append(rep) 
+        return passed, skipped, failed 
+ 
+    def countoutcomes(self): 
+        return [len(x) for x in self.listoutcomes()] 
+ 
+    def assertoutcome(self, passed=0, skipped=0, failed=0): 
+        realpassed, realskipped, realfailed = self.listoutcomes() 
+        assert passed == len(realpassed) 
+        assert skipped == len(realskipped) 
+        assert failed == len(realfailed) 
+ 
+    def clear(self): 
+        self.calls[:] = [] 
+ 
+ 
+@pytest.fixture 
+def linecomp(request): 
+    return LineComp() 
+ 
+ 
+@pytest.fixture(name="LineMatcher") 
+def LineMatcher_fixture(request): 
+    return LineMatcher 
+ 
+ 
+@pytest.fixture 
+def testdir(request, tmpdir_factory): 
+    return Testdir(request, tmpdir_factory) 
+ 
+ 
 @pytest.fixture
 def _sys_snapshot():
     snappaths = SysPathsSnapshot()
@@ -355,152 +355,152 @@ def _config_for_test():
     config._ensure_unconfigure()  # cleanup, e.g. capman closing tmpfiles.
 
 
-rex_outcome = re.compile(r"(\d+) ([\w-]+)")
-
-
-class RunResult(object):
-    """The result of running a command.
-
-    Attributes:
-
-    :ret: the return value
-    :outlines: list of lines captured from stdout
-    :errlines: list of lines captures from stderr
-    :stdout: :py:class:`LineMatcher` of stdout, use ``stdout.str()`` to
-       reconstruct stdout or the commonly used ``stdout.fnmatch_lines()``
-       method
-    :stderr: :py:class:`LineMatcher` of stderr
-    :duration: duration in seconds
-
-    """
-
-    def __init__(self, ret, outlines, errlines, duration):
-        self.ret = ret
-        self.outlines = outlines
-        self.errlines = errlines
-        self.stdout = LineMatcher(outlines)
-        self.stderr = LineMatcher(errlines)
-        self.duration = duration
-
+rex_outcome = re.compile(r"(\d+) ([\w-]+)") 
+ 
+ 
+class RunResult(object): 
+    """The result of running a command. 
+ 
+    Attributes: 
+ 
+    :ret: the return value 
+    :outlines: list of lines captured from stdout 
+    :errlines: list of lines captures from stderr 
+    :stdout: :py:class:`LineMatcher` of stdout, use ``stdout.str()`` to 
+       reconstruct stdout or the commonly used ``stdout.fnmatch_lines()`` 
+       method 
+    :stderr: :py:class:`LineMatcher` of stderr 
+    :duration: duration in seconds 
+ 
+    """ 
+ 
+    def __init__(self, ret, outlines, errlines, duration): 
+        self.ret = ret 
+        self.outlines = outlines 
+        self.errlines = errlines 
+        self.stdout = LineMatcher(outlines) 
+        self.stderr = LineMatcher(errlines) 
+        self.duration = duration 
+ 
     def __repr__(self):
         return (
             "<RunResult ret=%r len(stdout.lines)=%d len(stderr.lines)=%d duration=%.2fs>"
             % (self.ret, len(self.stdout.lines), len(self.stderr.lines), self.duration)
         )
 
-    def parseoutcomes(self):
-        """Return a dictionary of outcomestring->num from parsing the terminal
-        output that the test process produced.
-
-        """
-        for line in reversed(self.outlines):
-            if "seconds" in line:
-                outcomes = rex_outcome.findall(line)
-                if outcomes:
-                    d = {}
-                    for num, cat in outcomes:
-                        d[cat] = int(num)
-                    return d
-        raise ValueError("Pytest terminal report not found")
-
-    def assert_outcomes(
-        self, passed=0, skipped=0, failed=0, error=0, xpassed=0, xfailed=0
-    ):
-        """Assert that the specified outcomes appear with the respective
-        numbers (0 means it didn't occur) in the text output from a test run.
-
-        """
-        d = self.parseoutcomes()
-        obtained = {
-            "passed": d.get("passed", 0),
-            "skipped": d.get("skipped", 0),
-            "failed": d.get("failed", 0),
-            "error": d.get("error", 0),
-            "xpassed": d.get("xpassed", 0),
-            "xfailed": d.get("xfailed", 0),
-        }
-        expected = {
-            "passed": passed,
-            "skipped": skipped,
-            "failed": failed,
-            "error": error,
-            "xpassed": xpassed,
-            "xfailed": xfailed,
-        }
-        assert obtained == expected
-
-
-class CwdSnapshot(object):
-    def __init__(self):
-        self.__saved = os.getcwd()
-
-    def restore(self):
-        os.chdir(self.__saved)
-
-
-class SysModulesSnapshot(object):
-    def __init__(self, preserve=None):
-        self.__preserve = preserve
-        self.__saved = dict(sys.modules)
-
-    def restore(self):
-        if self.__preserve:
-            self.__saved.update(
-                (k, m) for k, m in sys.modules.items() if self.__preserve(k)
-            )
-        sys.modules.clear()
-        sys.modules.update(self.__saved)
-
-
-class SysPathsSnapshot(object):
-    def __init__(self):
-        self.__saved = list(sys.path), list(sys.meta_path)
-
-    def restore(self):
-        sys.path[:], sys.meta_path[:] = self.__saved
-
-
-class Testdir(object):
-    """Temporary test directory with tools to test/run pytest itself.
-
-    This is based on the ``tmpdir`` fixture but provides a number of methods
-    which aid with testing pytest itself.  Unless :py:meth:`chdir` is used all
-    methods will use :py:attr:`tmpdir` as their current working directory.
-
-    Attributes:
-
-    :tmpdir: The :py:class:`py.path.local` instance of the temporary directory.
-
-    :plugins: A list of plugins to use with :py:meth:`parseconfig` and
-       :py:meth:`runpytest`.  Initially this is an empty list but plugins can
-       be added to the list.  The type of items to add to the list depends on
-       the method using them so refer to them for details.
-
-    """
-
+    def parseoutcomes(self): 
+        """Return a dictionary of outcomestring->num from parsing the terminal 
+        output that the test process produced. 
+ 
+        """ 
+        for line in reversed(self.outlines): 
+            if "seconds" in line: 
+                outcomes = rex_outcome.findall(line) 
+                if outcomes: 
+                    d = {} 
+                    for num, cat in outcomes: 
+                        d[cat] = int(num) 
+                    return d 
+        raise ValueError("Pytest terminal report not found") 
+ 
+    def assert_outcomes( 
+        self, passed=0, skipped=0, failed=0, error=0, xpassed=0, xfailed=0 
+    ): 
+        """Assert that the specified outcomes appear with the respective 
+        numbers (0 means it didn't occur) in the text output from a test run. 
+ 
+        """ 
+        d = self.parseoutcomes() 
+        obtained = { 
+            "passed": d.get("passed", 0), 
+            "skipped": d.get("skipped", 0), 
+            "failed": d.get("failed", 0), 
+            "error": d.get("error", 0), 
+            "xpassed": d.get("xpassed", 0), 
+            "xfailed": d.get("xfailed", 0), 
+        } 
+        expected = { 
+            "passed": passed, 
+            "skipped": skipped, 
+            "failed": failed, 
+            "error": error, 
+            "xpassed": xpassed, 
+            "xfailed": xfailed, 
+        } 
+        assert obtained == expected 
+ 
+ 
+class CwdSnapshot(object): 
+    def __init__(self): 
+        self.__saved = os.getcwd() 
+ 
+    def restore(self): 
+        os.chdir(self.__saved) 
+ 
+ 
+class SysModulesSnapshot(object): 
+    def __init__(self, preserve=None): 
+        self.__preserve = preserve 
+        self.__saved = dict(sys.modules) 
+ 
+    def restore(self): 
+        if self.__preserve: 
+            self.__saved.update( 
+                (k, m) for k, m in sys.modules.items() if self.__preserve(k) 
+            ) 
+        sys.modules.clear() 
+        sys.modules.update(self.__saved) 
+ 
+ 
+class SysPathsSnapshot(object): 
+    def __init__(self): 
+        self.__saved = list(sys.path), list(sys.meta_path) 
+ 
+    def restore(self): 
+        sys.path[:], sys.meta_path[:] = self.__saved 
+ 
+ 
+class Testdir(object): 
+    """Temporary test directory with tools to test/run pytest itself. 
+ 
+    This is based on the ``tmpdir`` fixture but provides a number of methods 
+    which aid with testing pytest itself.  Unless :py:meth:`chdir` is used all 
+    methods will use :py:attr:`tmpdir` as their current working directory. 
+ 
+    Attributes: 
+ 
+    :tmpdir: The :py:class:`py.path.local` instance of the temporary directory. 
+ 
+    :plugins: A list of plugins to use with :py:meth:`parseconfig` and 
+       :py:meth:`runpytest`.  Initially this is an empty list but plugins can 
+       be added to the list.  The type of items to add to the list depends on 
+       the method using them so refer to them for details. 
+ 
+    """ 
+ 
     CLOSE_STDIN = object
 
-    class TimeoutExpired(Exception):
-        pass
-
-    def __init__(self, request, tmpdir_factory):
-        self.request = request
-        self._mod_collections = WeakKeyDictionary()
-        name = request.function.__name__
-        self.tmpdir = tmpdir_factory.mktemp(name, numbered=True)
-        self.test_tmproot = tmpdir_factory.mktemp("tmp-" + name, numbered=True)
-        self.plugins = []
-        self._cwd_snapshot = CwdSnapshot()
-        self._sys_path_snapshot = SysPathsSnapshot()
-        self._sys_modules_snapshot = self.__take_sys_modules_snapshot()
-        self.chdir()
-        self.request.addfinalizer(self.finalize)
-        method = self.request.config.getoption("--runpytest")
-        if method == "inprocess":
-            self._runpytest_method = self.runpytest_inprocess
-        elif method == "subprocess":
-            self._runpytest_method = self.runpytest_subprocess
-
+    class TimeoutExpired(Exception): 
+        pass 
+ 
+    def __init__(self, request, tmpdir_factory): 
+        self.request = request 
+        self._mod_collections = WeakKeyDictionary() 
+        name = request.function.__name__ 
+        self.tmpdir = tmpdir_factory.mktemp(name, numbered=True) 
+        self.test_tmproot = tmpdir_factory.mktemp("tmp-" + name, numbered=True) 
+        self.plugins = [] 
+        self._cwd_snapshot = CwdSnapshot() 
+        self._sys_path_snapshot = SysPathsSnapshot() 
+        self._sys_modules_snapshot = self.__take_sys_modules_snapshot() 
+        self.chdir() 
+        self.request.addfinalizer(self.finalize) 
+        method = self.request.config.getoption("--runpytest") 
+        if method == "inprocess": 
+            self._runpytest_method = self.runpytest_inprocess 
+        elif method == "subprocess": 
+            self._runpytest_method = self.runpytest_subprocess 
+ 
         mp = self.monkeypatch = MonkeyPatch()
         mp.setenv("PYTEST_DEBUG_TEMPROOT", str(self.test_tmproot))
         # Ensure no unexpected caching via tox.
@@ -512,523 +512,523 @@ class Testdir(object):
         tmphome = str(self.tmpdir)
         self._env_run_update = {"HOME": tmphome, "USERPROFILE": tmphome}
 
-    def __repr__(self):
-        return "<Testdir %r>" % (self.tmpdir,)
-
-    def __str__(self):
-        return str(self.tmpdir)
-
-    def finalize(self):
-        """Clean up global state artifacts.
-
-        Some methods modify the global interpreter state and this tries to
-        clean this up.  It does not remove the temporary directory however so
-        it can be looked at after the test run has finished.
-
-        """
-        self._sys_modules_snapshot.restore()
-        self._sys_path_snapshot.restore()
-        self._cwd_snapshot.restore()
+    def __repr__(self): 
+        return "<Testdir %r>" % (self.tmpdir,) 
+ 
+    def __str__(self): 
+        return str(self.tmpdir) 
+ 
+    def finalize(self): 
+        """Clean up global state artifacts. 
+ 
+        Some methods modify the global interpreter state and this tries to 
+        clean this up.  It does not remove the temporary directory however so 
+        it can be looked at after the test run has finished. 
+ 
+        """ 
+        self._sys_modules_snapshot.restore() 
+        self._sys_path_snapshot.restore() 
+        self._cwd_snapshot.restore() 
         self.monkeypatch.undo()
-
-    def __take_sys_modules_snapshot(self):
-        # some zope modules used by twisted-related tests keep internal state
-        # and can't be deleted; we had some trouble in the past with
-        # `zope.interface` for example
-        def preserve_module(name):
-            return name.startswith("zope")
-
-        return SysModulesSnapshot(preserve=preserve_module)
-
-    def make_hook_recorder(self, pluginmanager):
-        """Create a new :py:class:`HookRecorder` for a PluginManager."""
-        pluginmanager.reprec = reprec = HookRecorder(pluginmanager)
-        self.request.addfinalizer(reprec.finish_recording)
-        return reprec
-
-    def chdir(self):
-        """Cd into the temporary directory.
-
-        This is done automatically upon instantiation.
-
-        """
-        self.tmpdir.chdir()
-
-    def _makefile(self, ext, args, kwargs, encoding="utf-8"):
-        items = list(kwargs.items())
-
-        def to_text(s):
-            return s.decode(encoding) if isinstance(s, bytes) else six.text_type(s)
-
-        if args:
-            source = u"\n".join(to_text(x) for x in args)
-            basename = self.request.function.__name__
-            items.insert(0, (basename, source))
-
-        ret = None
-        for basename, value in items:
-            p = self.tmpdir.join(basename).new(ext=ext)
-            p.dirpath().ensure_dir()
-            source = Source(value)
-            source = u"\n".join(to_text(line) for line in source.lines)
-            p.write(source.strip().encode(encoding), "wb")
-            if ret is None:
-                ret = p
-        return ret
-
-    def makefile(self, ext, *args, **kwargs):
-        r"""Create new file(s) in the testdir.
-
-        :param str ext: The extension the file(s) should use, including the dot, e.g. `.py`.
-        :param list[str] args: All args will be treated as strings and joined using newlines.
-           The result will be written as contents to the file.  The name of the
-           file will be based on the test function requesting this fixture.
-        :param kwargs: Each keyword is the name of a file, while the value of it will
-           be written as contents of the file.
-
-        Examples:
-
-        .. code-block:: python
-
-            testdir.makefile(".txt", "line1", "line2")
-
-            testdir.makefile(".ini", pytest="[pytest]\naddopts=-rs\n")
-
-        """
-        return self._makefile(ext, args, kwargs)
-
-    def makeconftest(self, source):
-        """Write a contest.py file with 'source' as contents."""
-        return self.makepyfile(conftest=source)
-
-    def makeini(self, source):
-        """Write a tox.ini file with 'source' as contents."""
-        return self.makefile(".ini", tox=source)
-
-    def getinicfg(self, source):
-        """Return the pytest section from the tox.ini config file."""
-        p = self.makeini(source)
-        return py.iniconfig.IniConfig(p)["pytest"]
-
-    def makepyfile(self, *args, **kwargs):
-        """Shortcut for .makefile() with a .py extension."""
-        return self._makefile(".py", args, kwargs)
-
-    def maketxtfile(self, *args, **kwargs):
-        """Shortcut for .makefile() with a .txt extension."""
-        return self._makefile(".txt", args, kwargs)
-
-    def syspathinsert(self, path=None):
-        """Prepend a directory to sys.path, defaults to :py:attr:`tmpdir`.
-
-        This is undone automatically when this object dies at the end of each
-        test.
-        """
-        if path is None:
-            path = self.tmpdir
-
+ 
+    def __take_sys_modules_snapshot(self): 
+        # some zope modules used by twisted-related tests keep internal state 
+        # and can't be deleted; we had some trouble in the past with 
+        # `zope.interface` for example 
+        def preserve_module(name): 
+            return name.startswith("zope") 
+ 
+        return SysModulesSnapshot(preserve=preserve_module) 
+ 
+    def make_hook_recorder(self, pluginmanager): 
+        """Create a new :py:class:`HookRecorder` for a PluginManager.""" 
+        pluginmanager.reprec = reprec = HookRecorder(pluginmanager) 
+        self.request.addfinalizer(reprec.finish_recording) 
+        return reprec 
+ 
+    def chdir(self): 
+        """Cd into the temporary directory. 
+ 
+        This is done automatically upon instantiation. 
+ 
+        """ 
+        self.tmpdir.chdir() 
+ 
+    def _makefile(self, ext, args, kwargs, encoding="utf-8"): 
+        items = list(kwargs.items()) 
+ 
+        def to_text(s): 
+            return s.decode(encoding) if isinstance(s, bytes) else six.text_type(s) 
+ 
+        if args: 
+            source = u"\n".join(to_text(x) for x in args) 
+            basename = self.request.function.__name__ 
+            items.insert(0, (basename, source)) 
+ 
+        ret = None 
+        for basename, value in items: 
+            p = self.tmpdir.join(basename).new(ext=ext) 
+            p.dirpath().ensure_dir() 
+            source = Source(value) 
+            source = u"\n".join(to_text(line) for line in source.lines) 
+            p.write(source.strip().encode(encoding), "wb") 
+            if ret is None: 
+                ret = p 
+        return ret 
+ 
+    def makefile(self, ext, *args, **kwargs): 
+        r"""Create new file(s) in the testdir. 
+ 
+        :param str ext: The extension the file(s) should use, including the dot, e.g. `.py`. 
+        :param list[str] args: All args will be treated as strings and joined using newlines. 
+           The result will be written as contents to the file.  The name of the 
+           file will be based on the test function requesting this fixture. 
+        :param kwargs: Each keyword is the name of a file, while the value of it will 
+           be written as contents of the file. 
+ 
+        Examples: 
+ 
+        .. code-block:: python 
+ 
+            testdir.makefile(".txt", "line1", "line2") 
+ 
+            testdir.makefile(".ini", pytest="[pytest]\naddopts=-rs\n") 
+ 
+        """ 
+        return self._makefile(ext, args, kwargs) 
+ 
+    def makeconftest(self, source): 
+        """Write a contest.py file with 'source' as contents.""" 
+        return self.makepyfile(conftest=source) 
+ 
+    def makeini(self, source): 
+        """Write a tox.ini file with 'source' as contents.""" 
+        return self.makefile(".ini", tox=source) 
+ 
+    def getinicfg(self, source): 
+        """Return the pytest section from the tox.ini config file.""" 
+        p = self.makeini(source) 
+        return py.iniconfig.IniConfig(p)["pytest"] 
+ 
+    def makepyfile(self, *args, **kwargs): 
+        """Shortcut for .makefile() with a .py extension.""" 
+        return self._makefile(".py", args, kwargs) 
+ 
+    def maketxtfile(self, *args, **kwargs): 
+        """Shortcut for .makefile() with a .txt extension.""" 
+        return self._makefile(".txt", args, kwargs) 
+ 
+    def syspathinsert(self, path=None): 
+        """Prepend a directory to sys.path, defaults to :py:attr:`tmpdir`. 
+ 
+        This is undone automatically when this object dies at the end of each 
+        test. 
+        """ 
+        if path is None: 
+            path = self.tmpdir 
+ 
         self.monkeypatch.syspath_prepend(str(path))
-
-    def mkdir(self, name):
-        """Create a new (sub)directory."""
-        return self.tmpdir.mkdir(name)
-
-    def mkpydir(self, name):
-        """Create a new python package.
-
-        This creates a (sub)directory with an empty ``__init__.py`` file so it
-        gets recognised as a python package.
-
-        """
-        p = self.mkdir(name)
-        p.ensure("__init__.py")
-        return p
-
-    def copy_example(self, name=None):
-        import warnings
-        from _pytest.warning_types import PYTESTER_COPY_EXAMPLE
-
-        warnings.warn(PYTESTER_COPY_EXAMPLE, stacklevel=2)
-        example_dir = self.request.config.getini("pytester_example_dir")
-        if example_dir is None:
-            raise ValueError("pytester_example_dir is unset, can't copy examples")
-        example_dir = self.request.config.rootdir.join(example_dir)
-
-        for extra_element in self.request.node.iter_markers("pytester_example_path"):
-            assert extra_element.args
-            example_dir = example_dir.join(*extra_element.args)
-
-        if name is None:
-            func_name = self.request.function.__name__
-            maybe_dir = example_dir / func_name
-            maybe_file = example_dir / (func_name + ".py")
-
-            if maybe_dir.isdir():
-                example_path = maybe_dir
-            elif maybe_file.isfile():
-                example_path = maybe_file
-            else:
-                raise LookupError(
-                    "{} cant be found as module or package in {}".format(
+ 
+    def mkdir(self, name): 
+        """Create a new (sub)directory.""" 
+        return self.tmpdir.mkdir(name) 
+ 
+    def mkpydir(self, name): 
+        """Create a new python package. 
+ 
+        This creates a (sub)directory with an empty ``__init__.py`` file so it 
+        gets recognised as a python package. 
+ 
+        """ 
+        p = self.mkdir(name) 
+        p.ensure("__init__.py") 
+        return p 
+ 
+    def copy_example(self, name=None): 
+        import warnings 
+        from _pytest.warning_types import PYTESTER_COPY_EXAMPLE 
+ 
+        warnings.warn(PYTESTER_COPY_EXAMPLE, stacklevel=2) 
+        example_dir = self.request.config.getini("pytester_example_dir") 
+        if example_dir is None: 
+            raise ValueError("pytester_example_dir is unset, can't copy examples") 
+        example_dir = self.request.config.rootdir.join(example_dir) 
+ 
+        for extra_element in self.request.node.iter_markers("pytester_example_path"): 
+            assert extra_element.args 
+            example_dir = example_dir.join(*extra_element.args) 
+ 
+        if name is None: 
+            func_name = self.request.function.__name__ 
+            maybe_dir = example_dir / func_name 
+            maybe_file = example_dir / (func_name + ".py") 
+ 
+            if maybe_dir.isdir(): 
+                example_path = maybe_dir 
+            elif maybe_file.isfile(): 
+                example_path = maybe_file 
+            else: 
+                raise LookupError( 
+                    "{} cant be found as module or package in {}".format( 
                         func_name, example_dir.bestrelpath(self.request.config.rootdir)
-                    )
-                )
-        else:
-            example_path = example_dir.join(name)
-
-        if example_path.isdir() and not example_path.join("__init__.py").isfile():
-            example_path.copy(self.tmpdir)
-            return self.tmpdir
-        elif example_path.isfile():
-            result = self.tmpdir.join(example_path.basename)
-            example_path.copy(result)
-            return result
-        else:
-            raise LookupError(
-                'example "{}" is not found as a file or directory'.format(example_path)
-            )
-
-    Session = Session
-
-    def getnode(self, config, arg):
-        """Return the collection node of a file.
-
-        :param config: :py:class:`_pytest.config.Config` instance, see
-           :py:meth:`parseconfig` and :py:meth:`parseconfigure` to create the
-           configuration
-
-        :param arg: a :py:class:`py.path.local` instance of the file
-
-        """
-        session = Session(config)
-        assert "::" not in str(arg)
-        p = py.path.local(arg)
-        config.hook.pytest_sessionstart(session=session)
-        res = session.perform_collect([str(p)], genitems=False)[0]
-        config.hook.pytest_sessionfinish(session=session, exitstatus=EXIT_OK)
-        return res
-
-    def getpathnode(self, path):
-        """Return the collection node of a file.
-
-        This is like :py:meth:`getnode` but uses :py:meth:`parseconfigure` to
-        create the (configured) pytest Config instance.
-
-        :param path: a :py:class:`py.path.local` instance of the file
-
-        """
-        config = self.parseconfigure(path)
-        session = Session(config)
-        x = session.fspath.bestrelpath(path)
-        config.hook.pytest_sessionstart(session=session)
-        res = session.perform_collect([x], genitems=False)[0]
-        config.hook.pytest_sessionfinish(session=session, exitstatus=EXIT_OK)
-        return res
-
-    def genitems(self, colitems):
-        """Generate all test items from a collection node.
-
-        This recurses into the collection node and returns a list of all the
-        test items contained within.
-
-        """
-        session = colitems[0].session
-        result = []
-        for colitem in colitems:
-            result.extend(session.genitems(colitem))
-        return result
-
-    def runitem(self, source):
-        """Run the "test_func" Item.
-
-        The calling test instance (class containing the test method) must
-        provide a ``.getrunner()`` method which should return a runner which
-        can run the test protocol for a single item, e.g.
-        :py:func:`_pytest.runner.runtestprotocol`.
-
-        """
-        # used from runner functional tests
-        item = self.getitem(source)
-        # the test class where we are called from wants to provide the runner
-        testclassinstance = self.request.instance
-        runner = testclassinstance.getrunner()
-        return runner(item)
-
-    def inline_runsource(self, source, *cmdlineargs):
-        """Run a test module in process using ``pytest.main()``.
-
-        This run writes "source" into a temporary file and runs
-        ``pytest.main()`` on it, returning a :py:class:`HookRecorder` instance
-        for the result.
-
-        :param source: the source code of the test module
-
-        :param cmdlineargs: any extra command line arguments to use
-
-        :return: :py:class:`HookRecorder` instance of the result
-
-        """
-        p = self.makepyfile(source)
-        values = list(cmdlineargs) + [p]
-        return self.inline_run(*values)
-
-    def inline_genitems(self, *args):
-        """Run ``pytest.main(['--collectonly'])`` in-process.
-
-        Runs the :py:func:`pytest.main` function to run all of pytest inside
-        the test process itself like :py:meth:`inline_run`, but returns a
-        tuple of the collected items and a :py:class:`HookRecorder` instance.
-
-        """
-        rec = self.inline_run("--collect-only", *args)
-        items = [x.item for x in rec.getcalls("pytest_itemcollected")]
-        return items, rec
-
-    def inline_run(self, *args, **kwargs):
-        """Run ``pytest.main()`` in-process, returning a HookRecorder.
-
-        Runs the :py:func:`pytest.main` function to run all of pytest inside
-        the test process itself.  This means it can return a
-        :py:class:`HookRecorder` instance which gives more detailed results
-        from that run than can be done by matching stdout/stderr from
-        :py:meth:`runpytest`.
-
-        :param args: command line arguments to pass to :py:func:`pytest.main`
-
+                    ) 
+                ) 
+        else: 
+            example_path = example_dir.join(name) 
+ 
+        if example_path.isdir() and not example_path.join("__init__.py").isfile(): 
+            example_path.copy(self.tmpdir) 
+            return self.tmpdir 
+        elif example_path.isfile(): 
+            result = self.tmpdir.join(example_path.basename) 
+            example_path.copy(result) 
+            return result 
+        else: 
+            raise LookupError( 
+                'example "{}" is not found as a file or directory'.format(example_path) 
+            ) 
+ 
+    Session = Session 
+ 
+    def getnode(self, config, arg): 
+        """Return the collection node of a file. 
+ 
+        :param config: :py:class:`_pytest.config.Config` instance, see 
+           :py:meth:`parseconfig` and :py:meth:`parseconfigure` to create the 
+           configuration 
+ 
+        :param arg: a :py:class:`py.path.local` instance of the file 
+ 
+        """ 
+        session = Session(config) 
+        assert "::" not in str(arg) 
+        p = py.path.local(arg) 
+        config.hook.pytest_sessionstart(session=session) 
+        res = session.perform_collect([str(p)], genitems=False)[0] 
+        config.hook.pytest_sessionfinish(session=session, exitstatus=EXIT_OK) 
+        return res 
+ 
+    def getpathnode(self, path): 
+        """Return the collection node of a file. 
+ 
+        This is like :py:meth:`getnode` but uses :py:meth:`parseconfigure` to 
+        create the (configured) pytest Config instance. 
+ 
+        :param path: a :py:class:`py.path.local` instance of the file 
+ 
+        """ 
+        config = self.parseconfigure(path) 
+        session = Session(config) 
+        x = session.fspath.bestrelpath(path) 
+        config.hook.pytest_sessionstart(session=session) 
+        res = session.perform_collect([x], genitems=False)[0] 
+        config.hook.pytest_sessionfinish(session=session, exitstatus=EXIT_OK) 
+        return res 
+ 
+    def genitems(self, colitems): 
+        """Generate all test items from a collection node. 
+ 
+        This recurses into the collection node and returns a list of all the 
+        test items contained within. 
+ 
+        """ 
+        session = colitems[0].session 
+        result = [] 
+        for colitem in colitems: 
+            result.extend(session.genitems(colitem)) 
+        return result 
+ 
+    def runitem(self, source): 
+        """Run the "test_func" Item. 
+ 
+        The calling test instance (class containing the test method) must 
+        provide a ``.getrunner()`` method which should return a runner which 
+        can run the test protocol for a single item, e.g. 
+        :py:func:`_pytest.runner.runtestprotocol`. 
+ 
+        """ 
+        # used from runner functional tests 
+        item = self.getitem(source) 
+        # the test class where we are called from wants to provide the runner 
+        testclassinstance = self.request.instance 
+        runner = testclassinstance.getrunner() 
+        return runner(item) 
+ 
+    def inline_runsource(self, source, *cmdlineargs): 
+        """Run a test module in process using ``pytest.main()``. 
+ 
+        This run writes "source" into a temporary file and runs 
+        ``pytest.main()`` on it, returning a :py:class:`HookRecorder` instance 
+        for the result. 
+ 
+        :param source: the source code of the test module 
+ 
+        :param cmdlineargs: any extra command line arguments to use 
+ 
+        :return: :py:class:`HookRecorder` instance of the result 
+ 
+        """ 
+        p = self.makepyfile(source) 
+        values = list(cmdlineargs) + [p] 
+        return self.inline_run(*values) 
+ 
+    def inline_genitems(self, *args): 
+        """Run ``pytest.main(['--collectonly'])`` in-process. 
+ 
+        Runs the :py:func:`pytest.main` function to run all of pytest inside 
+        the test process itself like :py:meth:`inline_run`, but returns a 
+        tuple of the collected items and a :py:class:`HookRecorder` instance. 
+ 
+        """ 
+        rec = self.inline_run("--collect-only", *args) 
+        items = [x.item for x in rec.getcalls("pytest_itemcollected")] 
+        return items, rec 
+ 
+    def inline_run(self, *args, **kwargs): 
+        """Run ``pytest.main()`` in-process, returning a HookRecorder. 
+ 
+        Runs the :py:func:`pytest.main` function to run all of pytest inside 
+        the test process itself.  This means it can return a 
+        :py:class:`HookRecorder` instance which gives more detailed results 
+        from that run than can be done by matching stdout/stderr from 
+        :py:meth:`runpytest`. 
+ 
+        :param args: command line arguments to pass to :py:func:`pytest.main` 
+ 
         :param plugins: (keyword-only) extra plugin instances the
-           ``pytest.main()`` instance should use
-
-        :return: a :py:class:`HookRecorder` instance
+           ``pytest.main()`` instance should use 
+ 
+        :return: a :py:class:`HookRecorder` instance 
         """
         plugins = kwargs.pop("plugins", [])
         no_reraise_ctrlc = kwargs.pop("no_reraise_ctrlc", None)
         raise_on_kwargs(kwargs)
-
-        finalizers = []
-        try:
+ 
+        finalizers = [] 
+        try: 
             # Do not load user config (during runs only).
             mp_run = MonkeyPatch()
             for k, v in self._env_run_update.items():
                 mp_run.setenv(k, v)
             finalizers.append(mp_run.undo)
 
-            # When running pytest inline any plugins active in the main test
-            # process are already imported.  So this disables the warning which
-            # will trigger to say they can no longer be rewritten, which is
-            # fine as they have already been rewritten.
-            orig_warn = AssertionRewritingHook._warn_already_imported
-
-            def revert_warn_already_imported():
-                AssertionRewritingHook._warn_already_imported = orig_warn
-
-            finalizers.append(revert_warn_already_imported)
-            AssertionRewritingHook._warn_already_imported = lambda *a: None
-
-            # Any sys.module or sys.path changes done while running pytest
-            # inline should be reverted after the test run completes to avoid
-            # clashing with later inline tests run within the same pytest test,
-            # e.g. just because they use matching test module names.
-            finalizers.append(self.__take_sys_modules_snapshot().restore)
-            finalizers.append(SysPathsSnapshot().restore)
-
-            # Important note:
-            # - our tests should not leave any other references/registrations
-            #   laying around other than possibly loaded test modules
-            #   referenced from sys.modules, as nothing will clean those up
-            #   automatically
-
-            rec = []
-
-            class Collect(object):
-                def pytest_configure(x, config):
-                    rec.append(self.make_hook_recorder(config.pluginmanager))
-
-            plugins.append(Collect())
-            ret = pytest.main(list(args), plugins=plugins)
-            if len(rec) == 1:
-                reprec = rec.pop()
-            else:
-
-                class reprec(object):
-                    pass
-
-            reprec.ret = ret
-
-            # typically we reraise keyboard interrupts from the child run
-            # because it's our user requesting interruption of the testing
+            # When running pytest inline any plugins active in the main test 
+            # process are already imported.  So this disables the warning which 
+            # will trigger to say they can no longer be rewritten, which is 
+            # fine as they have already been rewritten. 
+            orig_warn = AssertionRewritingHook._warn_already_imported 
+ 
+            def revert_warn_already_imported(): 
+                AssertionRewritingHook._warn_already_imported = orig_warn 
+ 
+            finalizers.append(revert_warn_already_imported) 
+            AssertionRewritingHook._warn_already_imported = lambda *a: None 
+ 
+            # Any sys.module or sys.path changes done while running pytest 
+            # inline should be reverted after the test run completes to avoid 
+            # clashing with later inline tests run within the same pytest test, 
+            # e.g. just because they use matching test module names. 
+            finalizers.append(self.__take_sys_modules_snapshot().restore) 
+            finalizers.append(SysPathsSnapshot().restore) 
+ 
+            # Important note: 
+            # - our tests should not leave any other references/registrations 
+            #   laying around other than possibly loaded test modules 
+            #   referenced from sys.modules, as nothing will clean those up 
+            #   automatically 
+ 
+            rec = [] 
+ 
+            class Collect(object): 
+                def pytest_configure(x, config): 
+                    rec.append(self.make_hook_recorder(config.pluginmanager)) 
+ 
+            plugins.append(Collect()) 
+            ret = pytest.main(list(args), plugins=plugins) 
+            if len(rec) == 1: 
+                reprec = rec.pop() 
+            else: 
+ 
+                class reprec(object): 
+                    pass 
+ 
+            reprec.ret = ret 
+ 
+            # typically we reraise keyboard interrupts from the child run 
+            # because it's our user requesting interruption of the testing 
             if ret == EXIT_INTERRUPTED and not no_reraise_ctrlc:
-                calls = reprec.getcalls("pytest_keyboard_interrupt")
-                if calls and calls[-1].excinfo.type == KeyboardInterrupt:
-                    raise KeyboardInterrupt()
-            return reprec
-        finally:
-            for finalizer in finalizers:
-                finalizer()
-
-    def runpytest_inprocess(self, *args, **kwargs):
-        """Return result of running pytest in-process, providing a similar
-        interface to what self.runpytest() provides.
+                calls = reprec.getcalls("pytest_keyboard_interrupt") 
+                if calls and calls[-1].excinfo.type == KeyboardInterrupt: 
+                    raise KeyboardInterrupt() 
+            return reprec 
+        finally: 
+            for finalizer in finalizers: 
+                finalizer() 
+ 
+    def runpytest_inprocess(self, *args, **kwargs): 
+        """Return result of running pytest in-process, providing a similar 
+        interface to what self.runpytest() provides. 
         """
         syspathinsert = kwargs.pop("syspathinsert", False)
-
+ 
         if syspathinsert:
-            self.syspathinsert()
-        now = time.time()
-        capture = MultiCapture(Capture=SysCapture)
-        capture.start_capturing()
-        try:
-            try:
-                reprec = self.inline_run(*args, **kwargs)
-            except SystemExit as e:
-
-                class reprec(object):
-                    ret = e.args[0]
-
-            except Exception:
-                traceback.print_exc()
-
-                class reprec(object):
-                    ret = 3
-
-        finally:
-            out, err = capture.readouterr()
-            capture.stop_capturing()
-            sys.stdout.write(out)
-            sys.stderr.write(err)
-
-        res = RunResult(reprec.ret, out.split("\n"), err.split("\n"), time.time() - now)
-        res.reprec = reprec
-        return res
-
-    def runpytest(self, *args, **kwargs):
-        """Run pytest inline or in a subprocess, depending on the command line
-        option "--runpytest" and return a :py:class:`RunResult`.
-
-        """
-        args = self._ensure_basetemp(args)
-        return self._runpytest_method(*args, **kwargs)
-
-    def _ensure_basetemp(self, args):
-        args = list(args)
-        for x in args:
-            if safe_str(x).startswith("--basetemp"):
-                break
-        else:
-            args.append("--basetemp=%s" % self.tmpdir.dirpath("basetemp"))
-        return args
-
-    def parseconfig(self, *args):
-        """Return a new pytest Config instance from given commandline args.
-
-        This invokes the pytest bootstrapping code in _pytest.config to create
-        a new :py:class:`_pytest.core.PluginManager` and call the
-        pytest_cmdline_parse hook to create a new
-        :py:class:`_pytest.config.Config` instance.
-
-        If :py:attr:`plugins` has been populated they should be plugin modules
-        to be registered with the PluginManager.
-
-        """
-        args = self._ensure_basetemp(args)
-
-        import _pytest.config
-
-        config = _pytest.config._prepareconfig(args, self.plugins)
-        # we don't know what the test will do with this half-setup config
-        # object and thus we make sure it gets unconfigured properly in any
-        # case (otherwise capturing could still be active, for example)
-        self.request.addfinalizer(config._ensure_unconfigure)
-        return config
-
-    def parseconfigure(self, *args):
-        """Return a new pytest configured Config instance.
-
-        This returns a new :py:class:`_pytest.config.Config` instance like
-        :py:meth:`parseconfig`, but also calls the pytest_configure hook.
-
-        """
-        config = self.parseconfig(*args)
-        config._do_configure()
-        self.request.addfinalizer(config._ensure_unconfigure)
-        return config
-
-    def getitem(self, source, funcname="test_func"):
-        """Return the test item for a test function.
-
-        This writes the source to a python file and runs pytest's collection on
-        the resulting module, returning the test item for the requested
-        function name.
-
-        :param source: the module source
-
-        :param funcname: the name of the test function for which to return a
-            test item
-
-        """
-        items = self.getitems(source)
-        for item in items:
-            if item.name == funcname:
-                return item
-        assert 0, "%r item not found in module:\n%s\nitems: %s" % (
-            funcname,
-            source,
-            items,
-        )
-
-    def getitems(self, source):
-        """Return all test items collected from the module.
-
-        This writes the source to a python file and runs pytest's collection on
-        the resulting module, returning all test items contained within.
-
-        """
-        modcol = self.getmodulecol(source)
-        return self.genitems([modcol])
-
-    def getmodulecol(self, source, configargs=(), withinit=False):
-        """Return the module collection node for ``source``.
-
-        This writes ``source`` to a file using :py:meth:`makepyfile` and then
-        runs the pytest collection on it, returning the collection node for the
-        test module.
-
-        :param source: the source code of the module to collect
-
-        :param configargs: any extra arguments to pass to
-            :py:meth:`parseconfigure`
-
-        :param withinit: whether to also write an ``__init__.py`` file to the
-            same directory to ensure it is a package
-
-        """
-        if isinstance(source, Path):
-            path = self.tmpdir.join(str(source))
-            assert not withinit, "not supported for paths"
-        else:
-            kw = {self.request.function.__name__: Source(source).strip()}
-            path = self.makepyfile(**kw)
-        if withinit:
-            self.makepyfile(__init__="#")
-        self.config = config = self.parseconfigure(path, *configargs)
-        return self.getnode(config, path)
-
-    def collect_by_name(self, modcol, name):
-        """Return the collection node for name from the module collection.
-
-        This will search a module collection node for a collection node
-        matching the given name.
-
-        :param modcol: a module collection node; see :py:meth:`getmodulecol`
-
-        :param name: the name of the node to return
-
-        """
-        if modcol not in self._mod_collections:
-            self._mod_collections[modcol] = list(modcol.collect())
-        for colitem in self._mod_collections[modcol]:
-            if colitem.name == name:
-                return colitem
-
+            self.syspathinsert() 
+        now = time.time() 
+        capture = MultiCapture(Capture=SysCapture) 
+        capture.start_capturing() 
+        try: 
+            try: 
+                reprec = self.inline_run(*args, **kwargs) 
+            except SystemExit as e: 
+ 
+                class reprec(object): 
+                    ret = e.args[0] 
+ 
+            except Exception: 
+                traceback.print_exc() 
+ 
+                class reprec(object): 
+                    ret = 3 
+ 
+        finally: 
+            out, err = capture.readouterr() 
+            capture.stop_capturing() 
+            sys.stdout.write(out) 
+            sys.stderr.write(err) 
+ 
+        res = RunResult(reprec.ret, out.split("\n"), err.split("\n"), time.time() - now) 
+        res.reprec = reprec 
+        return res 
+ 
+    def runpytest(self, *args, **kwargs): 
+        """Run pytest inline or in a subprocess, depending on the command line 
+        option "--runpytest" and return a :py:class:`RunResult`. 
+ 
+        """ 
+        args = self._ensure_basetemp(args) 
+        return self._runpytest_method(*args, **kwargs) 
+ 
+    def _ensure_basetemp(self, args): 
+        args = list(args) 
+        for x in args: 
+            if safe_str(x).startswith("--basetemp"): 
+                break 
+        else: 
+            args.append("--basetemp=%s" % self.tmpdir.dirpath("basetemp")) 
+        return args 
+ 
+    def parseconfig(self, *args): 
+        """Return a new pytest Config instance from given commandline args. 
+ 
+        This invokes the pytest bootstrapping code in _pytest.config to create 
+        a new :py:class:`_pytest.core.PluginManager` and call the 
+        pytest_cmdline_parse hook to create a new 
+        :py:class:`_pytest.config.Config` instance. 
+ 
+        If :py:attr:`plugins` has been populated they should be plugin modules 
+        to be registered with the PluginManager. 
+ 
+        """ 
+        args = self._ensure_basetemp(args) 
+ 
+        import _pytest.config 
+ 
+        config = _pytest.config._prepareconfig(args, self.plugins) 
+        # we don't know what the test will do with this half-setup config 
+        # object and thus we make sure it gets unconfigured properly in any 
+        # case (otherwise capturing could still be active, for example) 
+        self.request.addfinalizer(config._ensure_unconfigure) 
+        return config 
+ 
+    def parseconfigure(self, *args): 
+        """Return a new pytest configured Config instance. 
+ 
+        This returns a new :py:class:`_pytest.config.Config` instance like 
+        :py:meth:`parseconfig`, but also calls the pytest_configure hook. 
+ 
+        """ 
+        config = self.parseconfig(*args) 
+        config._do_configure() 
+        self.request.addfinalizer(config._ensure_unconfigure) 
+        return config 
+ 
+    def getitem(self, source, funcname="test_func"): 
+        """Return the test item for a test function. 
+ 
+        This writes the source to a python file and runs pytest's collection on 
+        the resulting module, returning the test item for the requested 
+        function name. 
+ 
+        :param source: the module source 
+ 
+        :param funcname: the name of the test function for which to return a 
+            test item 
+ 
+        """ 
+        items = self.getitems(source) 
+        for item in items: 
+            if item.name == funcname: 
+                return item 
+        assert 0, "%r item not found in module:\n%s\nitems: %s" % ( 
+            funcname, 
+            source, 
+            items, 
+        ) 
+ 
+    def getitems(self, source): 
+        """Return all test items collected from the module. 
+ 
+        This writes the source to a python file and runs pytest's collection on 
+        the resulting module, returning all test items contained within. 
+ 
+        """ 
+        modcol = self.getmodulecol(source) 
+        return self.genitems([modcol]) 
+ 
+    def getmodulecol(self, source, configargs=(), withinit=False): 
+        """Return the module collection node for ``source``. 
+ 
+        This writes ``source`` to a file using :py:meth:`makepyfile` and then 
+        runs the pytest collection on it, returning the collection node for the 
+        test module. 
+ 
+        :param source: the source code of the module to collect 
+ 
+        :param configargs: any extra arguments to pass to 
+            :py:meth:`parseconfigure` 
+ 
+        :param withinit: whether to also write an ``__init__.py`` file to the 
+            same directory to ensure it is a package 
+ 
+        """ 
+        if isinstance(source, Path): 
+            path = self.tmpdir.join(str(source)) 
+            assert not withinit, "not supported for paths" 
+        else: 
+            kw = {self.request.function.__name__: Source(source).strip()} 
+            path = self.makepyfile(**kw) 
+        if withinit: 
+            self.makepyfile(__init__="#") 
+        self.config = config = self.parseconfigure(path, *configargs) 
+        return self.getnode(config, path) 
+ 
+    def collect_by_name(self, modcol, name): 
+        """Return the collection node for name from the module collection. 
+ 
+        This will search a module collection node for a collection node 
+        matching the given name. 
+ 
+        :param modcol: a module collection node; see :py:meth:`getmodulecol` 
+ 
+        :param name: the name of the node to return 
+ 
+        """ 
+        if modcol not in self._mod_collections: 
+            self._mod_collections[modcol] = list(modcol.collect()) 
+        for colitem in self._mod_collections[modcol]: 
+            if colitem.name == name: 
+                return colitem 
+ 
     def popen(
         self,
         cmdargs,
@@ -1037,377 +1037,377 @@ class Testdir(object):
         stdin=CLOSE_STDIN,
         **kw
     ):
-        """Invoke subprocess.Popen.
-
-        This calls subprocess.Popen making sure the current working directory
-        is in the PYTHONPATH.
-
-        You probably want to use :py:meth:`run` instead.
-
-        """
-        env = os.environ.copy()
-        env["PYTHONPATH"] = os.pathsep.join(
-            filter(None, [os.getcwd(), env.get("PYTHONPATH", "")])
-        )
+        """Invoke subprocess.Popen. 
+ 
+        This calls subprocess.Popen making sure the current working directory 
+        is in the PYTHONPATH. 
+ 
+        You probably want to use :py:meth:`run` instead. 
+ 
+        """ 
+        env = os.environ.copy() 
+        env["PYTHONPATH"] = os.pathsep.join( 
+            filter(None, [os.getcwd(), env.get("PYTHONPATH", "")]) 
+        ) 
         env.update(self._env_run_update)
-        kw["env"] = env
-
+        kw["env"] = env 
+ 
         if stdin is Testdir.CLOSE_STDIN:
             kw["stdin"] = subprocess.PIPE
         elif isinstance(stdin, bytes):
             kw["stdin"] = subprocess.PIPE
         else:
             kw["stdin"] = stdin
-
+ 
         popen = subprocess.Popen(cmdargs, stdout=stdout, stderr=stderr, **kw)
         if stdin is Testdir.CLOSE_STDIN:
             popen.stdin.close()
         elif isinstance(stdin, bytes):
             popen.stdin.write(stdin)
 
-        return popen
-
-    def run(self, *cmdargs, **kwargs):
-        """Run a command with arguments.
-
-        Run a process using subprocess.Popen saving the stdout and stderr.
-
-        :param args: the sequence of arguments to pass to `subprocess.Popen()`
-        :param timeout: the period in seconds after which to timeout and raise
-            :py:class:`Testdir.TimeoutExpired`
+        return popen 
+ 
+    def run(self, *cmdargs, **kwargs): 
+        """Run a command with arguments. 
+ 
+        Run a process using subprocess.Popen saving the stdout and stderr. 
+ 
+        :param args: the sequence of arguments to pass to `subprocess.Popen()` 
+        :param timeout: the period in seconds after which to timeout and raise 
+            :py:class:`Testdir.TimeoutExpired` 
         :param stdin: optional standard input.  Bytes are being send, closing
             the pipe, otherwise it is passed through to ``popen``.
             Defaults to ``CLOSE_STDIN``, which translates to using a pipe
             (``subprocess.PIPE``) that gets closed.
-
-        Returns a :py:class:`RunResult`.
-
-        """
-        __tracebackhide__ = True
-
-        timeout = kwargs.pop("timeout", None)
+ 
+        Returns a :py:class:`RunResult`. 
+ 
+        """ 
+        __tracebackhide__ = True 
+ 
+        timeout = kwargs.pop("timeout", None) 
         stdin = kwargs.pop("stdin", Testdir.CLOSE_STDIN)
-        raise_on_kwargs(kwargs)
-
-        cmdargs = [
-            str(arg) if isinstance(arg, py.path.local) else arg for arg in cmdargs
-        ]
-        p1 = self.tmpdir.join("stdout")
-        p2 = self.tmpdir.join("stderr")
-        print("running:", *cmdargs)
-        print("     in:", py.path.local())
-        f1 = codecs.open(str(p1), "w", encoding="utf8")
-        f2 = codecs.open(str(p2), "w", encoding="utf8")
-        try:
-            now = time.time()
-            popen = self.popen(
+        raise_on_kwargs(kwargs) 
+ 
+        cmdargs = [ 
+            str(arg) if isinstance(arg, py.path.local) else arg for arg in cmdargs 
+        ] 
+        p1 = self.tmpdir.join("stdout") 
+        p2 = self.tmpdir.join("stderr") 
+        print("running:", *cmdargs) 
+        print("     in:", py.path.local()) 
+        f1 = codecs.open(str(p1), "w", encoding="utf8") 
+        f2 = codecs.open(str(p2), "w", encoding="utf8") 
+        try: 
+            now = time.time() 
+            popen = self.popen( 
                 cmdargs,
                 stdin=stdin,
                 stdout=f1,
                 stderr=f2,
                 close_fds=(sys.platform != "win32"),
-            )
+            ) 
             if isinstance(stdin, bytes):
                 popen.stdin.close()
-
-            def handle_timeout():
-                __tracebackhide__ = True
-
-                timeout_message = (
-                    "{seconds} second timeout expired running:"
-                    " {command}".format(seconds=timeout, command=cmdargs)
-                )
-
-                popen.kill()
-                popen.wait()
-                raise self.TimeoutExpired(timeout_message)
-
-            if timeout is None:
-                ret = popen.wait()
+ 
+            def handle_timeout(): 
+                __tracebackhide__ = True 
+ 
+                timeout_message = ( 
+                    "{seconds} second timeout expired running:" 
+                    " {command}".format(seconds=timeout, command=cmdargs) 
+                ) 
+ 
+                popen.kill() 
+                popen.wait() 
+                raise self.TimeoutExpired(timeout_message) 
+ 
+            if timeout is None: 
+                ret = popen.wait() 
             elif not six.PY2:
-                try:
-                    ret = popen.wait(timeout)
-                except subprocess.TimeoutExpired:
-                    handle_timeout()
-            else:
-                end = time.time() + timeout
-
-                resolution = min(0.1, timeout / 10)
-
-                while True:
-                    ret = popen.poll()
-                    if ret is not None:
-                        break
-
-                    if time.time() > end:
-                        handle_timeout()
-
-                    time.sleep(resolution)
-        finally:
-            f1.close()
-            f2.close()
-        f1 = codecs.open(str(p1), "r", encoding="utf8")
-        f2 = codecs.open(str(p2), "r", encoding="utf8")
-        try:
-            out = f1.read().splitlines()
-            err = f2.read().splitlines()
-        finally:
-            f1.close()
-            f2.close()
-        self._dump_lines(out, sys.stdout)
-        self._dump_lines(err, sys.stderr)
-        return RunResult(ret, out, err, time.time() - now)
-
-    def _dump_lines(self, lines, fp):
-        try:
-            for line in lines:
-                print(line, file=fp)
-        except UnicodeEncodeError:
-            print("couldn't print to %s because of encoding" % (fp,))
-
-    def _getpytestargs(self):
-        return sys.executable, "-mpytest"
-
-    def runpython(self, script):
-        """Run a python script using sys.executable as interpreter.
-
-        Returns a :py:class:`RunResult`.
-
-        """
-        return self.run(sys.executable, script)
-
-    def runpython_c(self, command):
-        """Run python -c "command", return a :py:class:`RunResult`."""
-        return self.run(sys.executable, "-c", command)
-
-    def runpytest_subprocess(self, *args, **kwargs):
-        """Run pytest as a subprocess with given arguments.
-
-        Any plugins added to the :py:attr:`plugins` list will be added using the
-        ``-p`` command line option.  Additionally ``--basetemp`` is used to put
-        any temporary files and directories in a numbered directory prefixed
-        with "runpytest-" to not conflict with the normal numbered pytest
-        location for temporary files and directories.
-
-        :param args: the sequence of arguments to pass to the pytest subprocess
-        :param timeout: the period in seconds after which to timeout and raise
-            :py:class:`Testdir.TimeoutExpired`
-
-        Returns a :py:class:`RunResult`.
-        """
-        __tracebackhide__ = True
+                try: 
+                    ret = popen.wait(timeout) 
+                except subprocess.TimeoutExpired: 
+                    handle_timeout() 
+            else: 
+                end = time.time() + timeout 
+ 
+                resolution = min(0.1, timeout / 10) 
+ 
+                while True: 
+                    ret = popen.poll() 
+                    if ret is not None: 
+                        break 
+ 
+                    if time.time() > end: 
+                        handle_timeout() 
+ 
+                    time.sleep(resolution) 
+        finally: 
+            f1.close() 
+            f2.close() 
+        f1 = codecs.open(str(p1), "r", encoding="utf8") 
+        f2 = codecs.open(str(p2), "r", encoding="utf8") 
+        try: 
+            out = f1.read().splitlines() 
+            err = f2.read().splitlines() 
+        finally: 
+            f1.close() 
+            f2.close() 
+        self._dump_lines(out, sys.stdout) 
+        self._dump_lines(err, sys.stderr) 
+        return RunResult(ret, out, err, time.time() - now) 
+ 
+    def _dump_lines(self, lines, fp): 
+        try: 
+            for line in lines: 
+                print(line, file=fp) 
+        except UnicodeEncodeError: 
+            print("couldn't print to %s because of encoding" % (fp,)) 
+ 
+    def _getpytestargs(self): 
+        return sys.executable, "-mpytest" 
+ 
+    def runpython(self, script): 
+        """Run a python script using sys.executable as interpreter. 
+ 
+        Returns a :py:class:`RunResult`. 
+ 
+        """ 
+        return self.run(sys.executable, script) 
+ 
+    def runpython_c(self, command): 
+        """Run python -c "command", return a :py:class:`RunResult`.""" 
+        return self.run(sys.executable, "-c", command) 
+ 
+    def runpytest_subprocess(self, *args, **kwargs): 
+        """Run pytest as a subprocess with given arguments. 
+ 
+        Any plugins added to the :py:attr:`plugins` list will be added using the 
+        ``-p`` command line option.  Additionally ``--basetemp`` is used to put 
+        any temporary files and directories in a numbered directory prefixed 
+        with "runpytest-" to not conflict with the normal numbered pytest 
+        location for temporary files and directories. 
+ 
+        :param args: the sequence of arguments to pass to the pytest subprocess 
+        :param timeout: the period in seconds after which to timeout and raise 
+            :py:class:`Testdir.TimeoutExpired` 
+ 
+        Returns a :py:class:`RunResult`. 
+        """ 
+        __tracebackhide__ = True 
         timeout = kwargs.pop("timeout", None)
         raise_on_kwargs(kwargs)
-
-        p = py.path.local.make_numbered_dir(
-            prefix="runpytest-", keep=None, rootdir=self.tmpdir
-        )
-        args = ("--basetemp=%s" % p,) + args
-        plugins = [x for x in self.plugins if isinstance(x, str)]
-        if plugins:
-            args = ("-p", plugins[0]) + args
-        args = self._getpytestargs() + args
+ 
+        p = py.path.local.make_numbered_dir( 
+            prefix="runpytest-", keep=None, rootdir=self.tmpdir 
+        ) 
+        args = ("--basetemp=%s" % p,) + args 
+        plugins = [x for x in self.plugins if isinstance(x, str)] 
+        if plugins: 
+            args = ("-p", plugins[0]) + args 
+        args = self._getpytestargs() + args 
         return self.run(*args, timeout=timeout)
-
-    def spawn_pytest(self, string, expect_timeout=10.0):
-        """Run pytest using pexpect.
-
-        This makes sure to use the right pytest and sets up the temporary
-        directory locations.
-
-        The pexpect child is returned.
-
-        """
-        basetemp = self.tmpdir.mkdir("temp-pexpect")
-        invoke = " ".join(map(str, self._getpytestargs()))
-        cmd = "%s --basetemp=%s %s" % (invoke, basetemp, string)
-        return self.spawn(cmd, expect_timeout=expect_timeout)
-
-    def spawn(self, cmd, expect_timeout=10.0):
-        """Run a command using pexpect.
-
-        The pexpect child is returned.
-
-        """
-        pexpect = pytest.importorskip("pexpect", "3.0")
-        if hasattr(sys, "pypy_version_info") and "64" in platform.machine():
-            pytest.skip("pypy-64 bit not supported")
-        if sys.platform.startswith("freebsd"):
-            pytest.xfail("pexpect does not work reliably on freebsd")
-        logfile = self.tmpdir.join("spawn.out").open("wb")
+ 
+    def spawn_pytest(self, string, expect_timeout=10.0): 
+        """Run pytest using pexpect. 
+ 
+        This makes sure to use the right pytest and sets up the temporary 
+        directory locations. 
+ 
+        The pexpect child is returned. 
+ 
+        """ 
+        basetemp = self.tmpdir.mkdir("temp-pexpect") 
+        invoke = " ".join(map(str, self._getpytestargs())) 
+        cmd = "%s --basetemp=%s %s" % (invoke, basetemp, string) 
+        return self.spawn(cmd, expect_timeout=expect_timeout) 
+ 
+    def spawn(self, cmd, expect_timeout=10.0): 
+        """Run a command using pexpect. 
+ 
+        The pexpect child is returned. 
+ 
+        """ 
+        pexpect = pytest.importorskip("pexpect", "3.0") 
+        if hasattr(sys, "pypy_version_info") and "64" in platform.machine(): 
+            pytest.skip("pypy-64 bit not supported") 
+        if sys.platform.startswith("freebsd"): 
+            pytest.xfail("pexpect does not work reliably on freebsd") 
+        logfile = self.tmpdir.join("spawn.out").open("wb") 
 
         # Do not load user config.
         env = os.environ.copy()
         env.update(self._env_run_update)
 
         child = pexpect.spawn(cmd, logfile=logfile, env=env)
-        self.request.addfinalizer(logfile.close)
-        child.timeout = expect_timeout
-        return child
-
-
-def getdecoded(out):
-    try:
-        return out.decode("utf-8")
-    except UnicodeDecodeError:
+        self.request.addfinalizer(logfile.close) 
+        child.timeout = expect_timeout 
+        return child 
+ 
+ 
+def getdecoded(out): 
+    try: 
+        return out.decode("utf-8") 
+    except UnicodeDecodeError: 
         return "INTERNAL not-utf8-decodeable, truncated string:\n%s" % (saferepr(out),)
-
-
-class LineComp(object):
-    def __init__(self):
-        self.stringio = py.io.TextIO()
-
-    def assert_contains_lines(self, lines2):
-        """Assert that lines2 are contained (linearly) in lines1.
-
-        Return a list of extralines found.
-
-        """
-        __tracebackhide__ = True
-        val = self.stringio.getvalue()
-        self.stringio.truncate(0)
-        self.stringio.seek(0)
-        lines1 = val.split("\n")
-        return LineMatcher(lines1).fnmatch_lines(lines2)
-
-
-class LineMatcher(object):
-    """Flexible matching of text.
-
-    This is a convenience class to test large texts like the output of
-    commands.
-
-    The constructor takes a list of lines without their trailing newlines, i.e.
-    ``text.splitlines()``.
-
-    """
-
-    def __init__(self, lines):
-        self.lines = lines
-        self._log_output = []
-
-    def str(self):
-        """Return the entire original text."""
-        return "\n".join(self.lines)
-
-    def _getlines(self, lines2):
-        if isinstance(lines2, str):
-            lines2 = Source(lines2)
-        if isinstance(lines2, Source):
-            lines2 = lines2.strip().lines
-        return lines2
-
-    def fnmatch_lines_random(self, lines2):
-        """Check lines exist in the output using in any order.
-
-        Lines are checked using ``fnmatch.fnmatch``. The argument is a list of
-        lines which have to occur in the output, in any order.
-
-        """
-        self._match_lines_random(lines2, fnmatch)
-
-    def re_match_lines_random(self, lines2):
-        """Check lines exist in the output using ``re.match``, in any order.
-
-        The argument is a list of lines which have to occur in the output, in
-        any order.
-
-        """
-        self._match_lines_random(lines2, lambda name, pat: re.match(pat, name))
-
-    def _match_lines_random(self, lines2, match_func):
-        """Check lines exist in the output.
-
-        The argument is a list of lines which have to occur in the output, in
-        any order.  Each line can contain glob whildcards.
-
-        """
-        lines2 = self._getlines(lines2)
-        for line in lines2:
-            for x in self.lines:
-                if line == x or match_func(x, line):
-                    self._log("matched: ", repr(line))
-                    break
-            else:
-                self._log("line %r not found in output" % line)
-                raise ValueError(self._log_text)
-
-    def get_lines_after(self, fnline):
-        """Return all lines following the given line in the text.
-
-        The given line can contain glob wildcards.
-
-        """
-        for i, line in enumerate(self.lines):
-            if fnline == line or fnmatch(line, fnline):
-                return self.lines[i + 1 :]
-        raise ValueError("line %r not found in output" % fnline)
-
-    def _log(self, *args):
+ 
+ 
+class LineComp(object): 
+    def __init__(self): 
+        self.stringio = py.io.TextIO() 
+ 
+    def assert_contains_lines(self, lines2): 
+        """Assert that lines2 are contained (linearly) in lines1. 
+ 
+        Return a list of extralines found. 
+ 
+        """ 
+        __tracebackhide__ = True 
+        val = self.stringio.getvalue() 
+        self.stringio.truncate(0) 
+        self.stringio.seek(0) 
+        lines1 = val.split("\n") 
+        return LineMatcher(lines1).fnmatch_lines(lines2) 
+ 
+ 
+class LineMatcher(object): 
+    """Flexible matching of text. 
+ 
+    This is a convenience class to test large texts like the output of 
+    commands. 
+ 
+    The constructor takes a list of lines without their trailing newlines, i.e. 
+    ``text.splitlines()``. 
+ 
+    """ 
+ 
+    def __init__(self, lines): 
+        self.lines = lines 
+        self._log_output = [] 
+ 
+    def str(self): 
+        """Return the entire original text.""" 
+        return "\n".join(self.lines) 
+ 
+    def _getlines(self, lines2): 
+        if isinstance(lines2, str): 
+            lines2 = Source(lines2) 
+        if isinstance(lines2, Source): 
+            lines2 = lines2.strip().lines 
+        return lines2 
+ 
+    def fnmatch_lines_random(self, lines2): 
+        """Check lines exist in the output using in any order. 
+ 
+        Lines are checked using ``fnmatch.fnmatch``. The argument is a list of 
+        lines which have to occur in the output, in any order. 
+ 
+        """ 
+        self._match_lines_random(lines2, fnmatch) 
+ 
+    def re_match_lines_random(self, lines2): 
+        """Check lines exist in the output using ``re.match``, in any order. 
+ 
+        The argument is a list of lines which have to occur in the output, in 
+        any order. 
+ 
+        """ 
+        self._match_lines_random(lines2, lambda name, pat: re.match(pat, name)) 
+ 
+    def _match_lines_random(self, lines2, match_func): 
+        """Check lines exist in the output. 
+ 
+        The argument is a list of lines which have to occur in the output, in 
+        any order.  Each line can contain glob whildcards. 
+ 
+        """ 
+        lines2 = self._getlines(lines2) 
+        for line in lines2: 
+            for x in self.lines: 
+                if line == x or match_func(x, line): 
+                    self._log("matched: ", repr(line)) 
+                    break 
+            else: 
+                self._log("line %r not found in output" % line) 
+                raise ValueError(self._log_text) 
+ 
+    def get_lines_after(self, fnline): 
+        """Return all lines following the given line in the text. 
+ 
+        The given line can contain glob wildcards. 
+ 
+        """ 
+        for i, line in enumerate(self.lines): 
+            if fnline == line or fnmatch(line, fnline): 
+                return self.lines[i + 1 :] 
+        raise ValueError("line %r not found in output" % fnline) 
+ 
+    def _log(self, *args): 
         self._log_output.append(" ".join(str(x) for x in args))
-
-    @property
-    def _log_text(self):
-        return "\n".join(self._log_output)
-
-    def fnmatch_lines(self, lines2):
-        """Search captured text for matching lines using ``fnmatch.fnmatch``.
-
-        The argument is a list of lines which have to match and can use glob
-        wildcards.  If they do not match a pytest.fail() is called.  The
-        matches and non-matches are also printed on stdout.
-
-        """
-        __tracebackhide__ = True
-        self._match_lines(lines2, fnmatch, "fnmatch")
-
-    def re_match_lines(self, lines2):
-        """Search captured text for matching lines using ``re.match``.
-
-        The argument is a list of lines which have to match using ``re.match``.
-        If they do not match a pytest.fail() is called.
-
-        The matches and non-matches are also printed on stdout.
-
-        """
-        __tracebackhide__ = True
-        self._match_lines(lines2, lambda name, pat: re.match(pat, name), "re.match")
-
-    def _match_lines(self, lines2, match_func, match_nickname):
-        """Underlying implementation of ``fnmatch_lines`` and ``re_match_lines``.
-
-        :param list[str] lines2: list of string patterns to match. The actual
-            format depends on ``match_func``
-        :param match_func: a callable ``match_func(line, pattern)`` where line
-            is the captured line from stdout/stderr and pattern is the matching
-            pattern
-        :param str match_nickname: the nickname for the match function that
-            will be logged to stdout when a match occurs
-
-        """
+ 
+    @property 
+    def _log_text(self): 
+        return "\n".join(self._log_output) 
+ 
+    def fnmatch_lines(self, lines2): 
+        """Search captured text for matching lines using ``fnmatch.fnmatch``. 
+ 
+        The argument is a list of lines which have to match and can use glob 
+        wildcards.  If they do not match a pytest.fail() is called.  The 
+        matches and non-matches are also printed on stdout. 
+ 
+        """ 
+        __tracebackhide__ = True 
+        self._match_lines(lines2, fnmatch, "fnmatch") 
+ 
+    def re_match_lines(self, lines2): 
+        """Search captured text for matching lines using ``re.match``. 
+ 
+        The argument is a list of lines which have to match using ``re.match``. 
+        If they do not match a pytest.fail() is called. 
+ 
+        The matches and non-matches are also printed on stdout. 
+ 
+        """ 
+        __tracebackhide__ = True 
+        self._match_lines(lines2, lambda name, pat: re.match(pat, name), "re.match") 
+ 
+    def _match_lines(self, lines2, match_func, match_nickname): 
+        """Underlying implementation of ``fnmatch_lines`` and ``re_match_lines``. 
+ 
+        :param list[str] lines2: list of string patterns to match. The actual 
+            format depends on ``match_func`` 
+        :param match_func: a callable ``match_func(line, pattern)`` where line 
+            is the captured line from stdout/stderr and pattern is the matching 
+            pattern 
+        :param str match_nickname: the nickname for the match function that 
+            will be logged to stdout when a match occurs 
+ 
+        """ 
         assert isinstance(lines2, Sequence)
-        lines2 = self._getlines(lines2)
-        lines1 = self.lines[:]
-        nextline = None
-        extralines = []
-        __tracebackhide__ = True
-        for line in lines2:
-            nomatchprinted = False
-            while lines1:
-                nextline = lines1.pop(0)
-                if line == nextline:
-                    self._log("exact match:", repr(line))
-                    break
-                elif match_func(nextline, line):
-                    self._log("%s:" % match_nickname, repr(line))
-                    self._log("   with:", repr(nextline))
-                    break
-                else:
-                    if not nomatchprinted:
-                        self._log("nomatch:", repr(line))
-                        nomatchprinted = True
-                    self._log("    and:", repr(nextline))
-                extralines.append(nextline)
-            else:
-                self._log("remains unmatched: %r" % (line,))
-                pytest.fail(self._log_text)
+        lines2 = self._getlines(lines2) 
+        lines1 = self.lines[:] 
+        nextline = None 
+        extralines = [] 
+        __tracebackhide__ = True 
+        for line in lines2: 
+            nomatchprinted = False 
+            while lines1: 
+                nextline = lines1.pop(0) 
+                if line == nextline: 
+                    self._log("exact match:", repr(line)) 
+                    break 
+                elif match_func(nextline, line): 
+                    self._log("%s:" % match_nickname, repr(line)) 
+                    self._log("   with:", repr(nextline)) 
+                    break 
+                else: 
+                    if not nomatchprinted: 
+                        self._log("nomatch:", repr(line)) 
+                        nomatchprinted = True 
+                    self._log("    and:", repr(nextline)) 
+                extralines.append(nextline) 
+            else: 
+                self._log("remains unmatched: %r" % (line,)) 
+                pytest.fail(self._log_text)