fix ya.make

1 files changed, 0 insertions, 1093 deletions

diff --git a/contrib/python/pytest/py2/_pytest/_code/code.py b/contrib/python/pytest/py2/_pytest/_code/code.py
deleted file mode 100644
index 175d6fda01d..00000000000
--- a/contrib/python/pytest/py2/_pytest/_code/code.py
+++ /dev/null
@@ -1,1093 +0,0 @@
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
-import inspect
-import re
-import sys
-import traceback
-from inspect import CO_VARARGS
-from inspect import CO_VARKEYWORDS
-from weakref import ref
-
-import attr
-import pluggy
-import py
-from six import text_type
-
-import _pytest
-from _pytest._io.saferepr import safeformat
-from _pytest._io.saferepr import saferepr
-from _pytest.compat import _PY2
-from _pytest.compat import _PY3
-from _pytest.compat import PY35
-from _pytest.compat import safe_str
-
-if _PY3:
-    from traceback import format_exception_only
-else:
-    from ._py2traceback import format_exception_only
-
-
-class Code(object):
-    """ wrapper around Python code objects """
-
-    def __init__(self, rawcode):
-        if not hasattr(rawcode, "co_filename"):
-            rawcode = getrawcode(rawcode)
-        try:
-            self.filename = rawcode.co_filename
-            self.firstlineno = rawcode.co_firstlineno - 1
-            self.name = rawcode.co_name
-        except AttributeError:
-            raise TypeError("not a code object: %r" % (rawcode,))
-        self.raw = rawcode
-
-    def __eq__(self, other):
-        return self.raw == other.raw
-
-    __hash__ = None
-
-    def __ne__(self, other):
-        return not self == other
-
-    @property
-    def path(self):
-        """ return a path object pointing to source code (note that it
-        might not point to an actually existing file). """
-        try:
-            p = py.path.local(self.raw.co_filename)
-            # maybe don't try this checking
-            if not p.check():
-                raise OSError("py.path check failed.")
-        except OSError:
-            # XXX maybe try harder like the weird logic
-            # in the standard lib [linecache.updatecache] does?
-            p = self.raw.co_filename
-
-        return p
-
-    @property
-    def fullsource(self):
-        """ return a _pytest._code.Source object for the full source file of the code
-        """
-        from _pytest._code import source
-
-        full, _ = source.findsource(self.raw)
-        return full
-
-    def source(self):
-        """ return a _pytest._code.Source object for the code object's source only
-        """
-        # return source only for that part of code
-        import _pytest._code
-
-        return _pytest._code.Source(self.raw)
-
-    def getargs(self, var=False):
-        """ return a tuple with the argument names for the code object
-
-            if 'var' is set True also return the names of the variable and
-            keyword arguments when present
-        """
-        # handfull shortcut for getting args
-        raw = self.raw
-        argcount = raw.co_argcount
-        if var:
-            argcount += raw.co_flags & CO_VARARGS
-            argcount += raw.co_flags & CO_VARKEYWORDS
-        return raw.co_varnames[:argcount]
-
-
-class Frame(object):
-    """Wrapper around a Python frame holding f_locals and f_globals
-    in which expressions can be evaluated."""
-
-    def __init__(self, frame):
-        self.lineno = frame.f_lineno - 1
-        self.f_globals = frame.f_globals
-        self.f_locals = frame.f_locals
-        self.raw = frame
-        self.code = Code(frame.f_code)
-
-    @property
-    def statement(self):
-        """ statement this frame is at """
-        import _pytest._code
-
-        if self.code.fullsource is None:
-            return _pytest._code.Source("")
-        return self.code.fullsource.getstatement(self.lineno)
-
-    def eval(self, code, **vars):
-        """ evaluate 'code' in the frame
-
-            'vars' are optional additional local variables
-
-            returns the result of the evaluation
-        """
-        f_locals = self.f_locals.copy()
-        f_locals.update(vars)
-        return eval(code, self.f_globals, f_locals)
-
-    def exec_(self, code, **vars):
-        """ exec 'code' in the frame
-
-            'vars' are optiona; additional local variables
-        """
-        f_locals = self.f_locals.copy()
-        f_locals.update(vars)
-        exec(code, self.f_globals, f_locals)
-
-    def repr(self, object):
-        """ return a 'safe' (non-recursive, one-line) string repr for 'object'
-        """
-        return saferepr(object)
-
-    def is_true(self, object):
-        return object
-
-    def getargs(self, var=False):
-        """ return a list of tuples (name, value) for all arguments
-
-            if 'var' is set True also include the variable and keyword
-            arguments when present
-        """
-        retval = []
-        for arg in self.code.getargs(var):
-            try:
-                retval.append((arg, self.f_locals[arg]))
-            except KeyError:
-                pass  # this can occur when using Psyco
-        return retval
-
-
-class TracebackEntry(object):
-    """ a single entry in a traceback """
-
-    _repr_style = None
-    exprinfo = None
-
-    def __init__(self, rawentry, excinfo=None):
-        self._excinfo = excinfo
-        self._rawentry = rawentry
-        self.lineno = rawentry.tb_lineno - 1
-
-    def set_repr_style(self, mode):
-        assert mode in ("short", "long")
-        self._repr_style = mode
-
-    @property
-    def frame(self):
-        import _pytest._code
-
-        return _pytest._code.Frame(self._rawentry.tb_frame)
-
-    @property
-    def relline(self):
-        return self.lineno - self.frame.code.firstlineno
-
-    def __repr__(self):
-        return "<TracebackEntry %s:%d>" % (self.frame.code.path, self.lineno + 1)
-
-    @property
-    def statement(self):
-        """ _pytest._code.Source object for the current statement """
-        source = self.frame.code.fullsource
-        return source.getstatement(self.lineno)
-
-    @property
-    def path(self):
-        """ path to the source code """
-        return self.frame.code.path
-
-    def getlocals(self):
-        return self.frame.f_locals
-
-    locals = property(getlocals, None, None, "locals of underlaying frame")
-
-    def getfirstlinesource(self):
-        # on Jython this firstlineno can be -1 apparently
-        return max(self.frame.code.firstlineno, 0)
-
-    def getsource(self, astcache=None):
-        """ return failing source code. """
-        # we use the passed in astcache to not reparse asttrees
-        # within exception info printing
-        from _pytest._code.source import getstatementrange_ast
-
-        source = self.frame.code.fullsource
-        if source is None:
-            return None
-        key = astnode = None
-        if astcache is not None:
-            key = self.frame.code.path
-            if key is not None:
-                astnode = astcache.get(key, None)
-        start = self.getfirstlinesource()
-        try:
-            astnode, _, end = getstatementrange_ast(
-                self.lineno, source, astnode=astnode
-            )
-        except SyntaxError:
-            end = self.lineno + 1
-        else:
-            if key is not None:
-                astcache[key] = astnode
-        return source[start:end]
-
-    source = property(getsource)
-
-    def ishidden(self):
-        """ return True if the current frame has a var __tracebackhide__
-            resolving to True.
-
-            If __tracebackhide__ is a callable, it gets called with the
-            ExceptionInfo instance and can decide whether to hide the traceback.
-
-            mostly for internal use
-        """
-        f = self.frame
-        tbh = f.f_locals.get(
-            "__tracebackhide__", f.f_globals.get("__tracebackhide__", False)
-        )
-        if tbh and callable(tbh):
-            return tbh(None if self._excinfo is None else self._excinfo())
-        return tbh
-
-    def __str__(self):
-        try:
-            fn = str(self.path)
-        except py.error.Error:
-            fn = "???"
-        name = self.frame.code.name
-        try:
-            line = str(self.statement).lstrip()
-        except KeyboardInterrupt:
-            raise
-        except:  # noqa
-            line = "???"
-        return "  File %r:%d in %s\n  %s\n" % (fn, self.lineno + 1, name, line)
-
-    def name(self):
-        return self.frame.code.raw.co_name
-
-    name = property(name, None, None, "co_name of underlaying code")
-
-
-class Traceback(list):
-    """ Traceback objects encapsulate and offer higher level
-        access to Traceback entries.
-    """
-
-    Entry = TracebackEntry
-
-    def __init__(self, tb, excinfo=None):
-        """ initialize from given python traceback object and ExceptionInfo """
-        self._excinfo = excinfo
-        if hasattr(tb, "tb_next"):
-
-            def f(cur):
-                while cur is not None:
-                    yield self.Entry(cur, excinfo=excinfo)
-                    cur = cur.tb_next
-
-            list.__init__(self, f(tb))
-        else:
-            list.__init__(self, tb)
-
-    def cut(self, path=None, lineno=None, firstlineno=None, excludepath=None):
-        """ return a Traceback instance wrapping part of this Traceback
-
-            by provding any combination of path, lineno and firstlineno, the
-            first frame to start the to-be-returned traceback is determined
-
-            this allows cutting the first part of a Traceback instance e.g.
-            for formatting reasons (removing some uninteresting bits that deal
-            with handling of the exception/traceback)
-        """
-        for x in self:
-            code = x.frame.code
-            codepath = code.path
-            if (
-                (path is None or codepath == path)
-                and (
-                    excludepath is None
-                    or not hasattr(codepath, "relto")
-                    or not codepath.relto(excludepath)
-                )
-                and (lineno is None or x.lineno == lineno)
-                and (firstlineno is None or x.frame.code.firstlineno == firstlineno)
-            ):
-                return Traceback(x._rawentry, self._excinfo)
-        return self
-
-    def __getitem__(self, key):
-        val = super(Traceback, self).__getitem__(key)
-        if isinstance(key, type(slice(0))):
-            val = self.__class__(val)
-        return val
-
-    def filter(self, fn=lambda x: not x.ishidden()):
-        """ return a Traceback instance with certain items removed
-
-            fn is a function that gets a single argument, a TracebackEntry
-            instance, and should return True when the item should be added
-            to the Traceback, False when not
-
-            by default this removes all the TracebackEntries which are hidden
-            (see ishidden() above)
-        """
-        return Traceback(filter(fn, self), self._excinfo)
-
-    def getcrashentry(self):
-        """ return last non-hidden traceback entry that lead
-        to the exception of a traceback.
-        """
-        for i in range(-1, -len(self) - 1, -1):
-            entry = self[i]
-            if not entry.ishidden():
-                return entry
-        return self[-1]
-
-    def recursionindex(self):
-        """ return the index of the frame/TracebackEntry where recursion
-            originates if appropriate, None if no recursion occurred
-        """
-        cache = {}
-        for i, entry in enumerate(self):
-            # id for the code.raw is needed to work around
-            # the strange metaprogramming in the decorator lib from pypi
-            # which generates code objects that have hash/value equality
-            # XXX needs a test
-            key = entry.frame.code.path, id(entry.frame.code.raw), entry.lineno
-            # print "checking for recursion at", key
-            values = cache.setdefault(key, [])
-            if values:
-                f = entry.frame
-                loc = f.f_locals
-                for otherloc in values:
-                    if f.is_true(
-                        f.eval(
-                            co_equal,
-                            __recursioncache_locals_1=loc,
-                            __recursioncache_locals_2=otherloc,
-                        )
-                    ):
-                        return i
-            values.append(entry.frame.f_locals)
-        return None
-
-
-co_equal = compile(
-    "__recursioncache_locals_1 == __recursioncache_locals_2", "?", "eval"
-)
-
-
-@attr.s(repr=False)
-class ExceptionInfo(object):
-    """ wraps sys.exc_info() objects and offers
-        help for navigating the traceback.
-    """
-
-    _assert_start_repr = (
-        "AssertionError(u'assert " if _PY2 else "AssertionError('assert "
-    )
-
-    _excinfo = attr.ib()
-    _striptext = attr.ib(default="")
-    _traceback = attr.ib(default=None)
-
-    @classmethod
-    def from_current(cls, exprinfo=None):
-        """returns an ExceptionInfo matching the current traceback
-
-        .. warning::
-
-            Experimental API
-
-
-        :param exprinfo: a text string helping to determine if we should
-                         strip ``AssertionError`` from the output, defaults
-                         to the exception message/``__str__()``
-        """
-        tup = sys.exc_info()
-        assert tup[0] is not None, "no current exception"
-        _striptext = ""
-        if exprinfo is None and isinstance(tup[1], AssertionError):
-            exprinfo = getattr(tup[1], "msg", None)
-            if exprinfo is None:
-                exprinfo = saferepr(tup[1])
-            if exprinfo and exprinfo.startswith(cls._assert_start_repr):
-                _striptext = "AssertionError: "
-
-        return cls(tup, _striptext)
-
-    @classmethod
-    def for_later(cls):
-        """return an unfilled ExceptionInfo
-        """
-        return cls(None)
-
-    @property
-    def type(self):
-        """the exception class"""
-        return self._excinfo[0]
-
-    @property
-    def value(self):
-        """the exception value"""
-        return self._excinfo[1]
-
-    @property
-    def tb(self):
-        """the exception raw traceback"""
-        return self._excinfo[2]
-
-    @property
-    def typename(self):
-        """the type name of the exception"""
-        return self.type.__name__
-
-    @property
-    def traceback(self):
-        """the traceback"""
-        if self._traceback is None:
-            self._traceback = Traceback(self.tb, excinfo=ref(self))
-        return self._traceback
-
-    @traceback.setter
-    def traceback(self, value):
-        self._traceback = value
-
-    def __repr__(self):
-        if self._excinfo is None:
-            return "<ExceptionInfo for raises contextmanager>"
-        return "<ExceptionInfo %s tblen=%d>" % (self.typename, len(self.traceback))
-
-    def exconly(self, tryshort=False):
-        """ return the exception as a string
-
-            when 'tryshort' resolves to True, and the exception is a
-            _pytest._code._AssertionError, only the actual exception part of
-            the exception representation is returned (so 'AssertionError: ' is
-            removed from the beginning)
-        """
-        lines = format_exception_only(self.type, self.value)
-        text = "".join(lines)
-        text = text.rstrip()
-        if tryshort:
-            if text.startswith(self._striptext):
-                text = text[len(self._striptext) :]
-        return text
-
-    def errisinstance(self, exc):
-        """ return True if the exception is an instance of exc """
-        return isinstance(self.value, exc)
-
-    def _getreprcrash(self):
-        exconly = self.exconly(tryshort=True)
-        entry = self.traceback.getcrashentry()
-        path, lineno = entry.frame.code.raw.co_filename, entry.lineno
-        return ReprFileLocation(path, lineno + 1, exconly)
-
-    def getrepr(
-        self,
-        showlocals=False,
-        style="long",
-        abspath=False,
-        tbfilter=True,
-        funcargs=False,
-        truncate_locals=True,
-        chain=True,
-    ):
-        """
-        Return str()able representation of this exception info.
-
-        :param bool showlocals:
-            Show locals per traceback entry.
-            Ignored if ``style=="native"``.
-
-        :param str style: long|short|no|native traceback style
-
-        :param bool abspath:
-            If paths should be changed to absolute or left unchanged.
-
-        :param bool tbfilter:
-            Hide entries that contain a local variable ``__tracebackhide__==True``.
-            Ignored if ``style=="native"``.
-
-        :param bool funcargs:
-            Show fixtures ("funcargs" for legacy purposes) per traceback entry.
-
-        :param bool truncate_locals:
-            With ``showlocals==True``, make sure locals can be safely represented as strings.
-
-        :param bool chain: if chained exceptions in Python 3 should be shown.
-
-        .. versionchanged:: 3.9
-
-            Added the ``chain`` parameter.
-        """
-        if style == "native":
-            return ReprExceptionInfo(
-                ReprTracebackNative(
-                    traceback.format_exception(
-                        self.type, self.value, self.traceback[0]._rawentry
-                    )
-                ),
-                self._getreprcrash(),
-            )
-
-        fmt = FormattedExcinfo(
-            showlocals=showlocals,
-            style=style,
-            abspath=abspath,
-            tbfilter=tbfilter,
-            funcargs=funcargs,
-            truncate_locals=truncate_locals,
-            chain=chain,
-        )
-        return fmt.repr_excinfo(self)
-
-    def __str__(self):
-        if self._excinfo is None:
-            return repr(self)
-        entry = self.traceback[-1]
-        loc = ReprFileLocation(entry.path, entry.lineno + 1, self.exconly())
-        return str(loc)
-
-    def __unicode__(self):
-        entry = self.traceback[-1]
-        loc = ReprFileLocation(entry.path, entry.lineno + 1, self.exconly())
-        return text_type(loc)
-
-    def match(self, regexp):
-        """
-        Check whether the regular expression 'regexp' is found in the string
-        representation of the exception using ``re.search``. If it matches
-        then True is returned (so that it is possible to write
-        ``assert excinfo.match()``). If it doesn't match an AssertionError is
-        raised.
-        """
-        __tracebackhide__ = True
-        value = (
-            text_type(self.value) if isinstance(regexp, text_type) else str(self.value)
-        )
-        if not re.search(regexp, value):
-            raise AssertionError(
-                u"Pattern {!r} not found in {!r}".format(regexp, value)
-            )
-        return True
-
-
-@attr.s
-class FormattedExcinfo(object):
-    """ presenting information about failing Functions and Generators. """
-
-    # for traceback entries
-    flow_marker = ">"
-    fail_marker = "E"
-
-    showlocals = attr.ib(default=False)
-    style = attr.ib(default="long")
-    abspath = attr.ib(default=True)
-    tbfilter = attr.ib(default=True)
-    funcargs = attr.ib(default=False)
-    truncate_locals = attr.ib(default=True)
-    chain = attr.ib(default=True)
-    astcache = attr.ib(default=attr.Factory(dict), init=False, repr=False)
-
-    def _getindent(self, source):
-        # figure out indent for given source
-        try:
-            s = str(source.getstatement(len(source) - 1))
-        except KeyboardInterrupt:
-            raise
-        except:  # noqa
-            try:
-                s = str(source[-1])
-            except KeyboardInterrupt:
-                raise
-            except:  # noqa
-                return 0
-        return 4 + (len(s) - len(s.lstrip()))
-
-    def _getentrysource(self, entry):
-        source = entry.getsource(self.astcache)
-        if source is not None:
-            source = source.deindent()
-        return source
-
-    def repr_args(self, entry):
-        if self.funcargs:
-            args = []
-            for argname, argvalue in entry.frame.getargs(var=True):
-                args.append((argname, saferepr(argvalue)))
-            return ReprFuncArgs(args)
-
-    def get_source(self, source, line_index=-1, excinfo=None, short=False):
-        """ return formatted and marked up source lines. """
-        import _pytest._code
-
-        lines = []
-        if source is None or line_index >= len(source.lines):
-            source = _pytest._code.Source("???")
-            line_index = 0
-        if line_index < 0:
-            line_index += len(source)
-        space_prefix = "    "
-        if short:
-            lines.append(space_prefix + source.lines[line_index].strip())
-        else:
-            for line in source.lines[:line_index]:
-                lines.append(space_prefix + line)
-            lines.append(self.flow_marker + "   " + source.lines[line_index])
-            for line in source.lines[line_index + 1 :]:
-                lines.append(space_prefix + line)
-        if excinfo is not None:
-            indent = 4 if short else self._getindent(source)
-            lines.extend(self.get_exconly(excinfo, indent=indent, markall=True))
-        return lines
-
-    def get_exconly(self, excinfo, indent=4, markall=False):
-        lines = []
-        indent = " " * indent
-        # get the real exception information out
-        exlines = excinfo.exconly(tryshort=True).split("\n")
-        failindent = self.fail_marker + indent[1:]
-        for line in exlines:
-            lines.append(failindent + line)
-            if not markall:
-                failindent = indent
-        return lines
-
-    def repr_locals(self, locals):
-        if self.showlocals:
-            lines = []
-            keys = [loc for loc in locals if loc[0] != "@"]
-            keys.sort()
-            for name in keys:
-                value = locals[name]
-                if name == "__builtins__":
-                    lines.append("__builtins__ = <builtins>")
-                else:
-                    # This formatting could all be handled by the
-                    # _repr() function, which is only reprlib.Repr in
-                    # disguise, so is very configurable.
-                    if self.truncate_locals:
-                        str_repr = saferepr(value)
-                    else:
-                        str_repr = safeformat(value)
-                    # if len(str_repr) < 70 or not isinstance(value,
-                    #                            (list, tuple, dict)):
-                    lines.append("%-10s = %s" % (name, str_repr))
-                    # else:
-                    #    self._line("%-10s =\\" % (name,))
-                    #    # XXX
-                    #    pprint.pprint(value, stream=self.excinfowriter)
-            return ReprLocals(lines)
-
-    def repr_traceback_entry(self, entry, excinfo=None):
-        import _pytest._code
-
-        source = self._getentrysource(entry)
-        if source is None:
-            source = _pytest._code.Source("???")
-            line_index = 0
-        else:
-            # entry.getfirstlinesource() can be -1, should be 0 on jython
-            line_index = entry.lineno - max(entry.getfirstlinesource(), 0)
-
-        lines = []
-        style = entry._repr_style
-        if style is None:
-            style = self.style
-        if style in ("short", "long"):
-            short = style == "short"
-            reprargs = self.repr_args(entry) if not short else None
-            s = self.get_source(source, line_index, excinfo, short=short)
-            lines.extend(s)
-            if short:
-                message = "in %s" % (entry.name)
-            else:
-                message = excinfo and excinfo.typename or ""
-            path = self._makepath(entry.path)
-            filelocrepr = ReprFileLocation(path, entry.lineno + 1, message)
-            localsrepr = None
-            if not short:
-                localsrepr = self.repr_locals(entry.locals)
-            return ReprEntry(lines, reprargs, localsrepr, filelocrepr, style)
-        if excinfo:
-            lines.extend(self.get_exconly(excinfo, indent=4))
-        return ReprEntry(lines, None, None, None, style)
-
-    def _makepath(self, path):
-        if not self.abspath:
-            try:
-                np = py.path.local().bestrelpath(path)
-            except OSError:
-                return path
-            if len(np) < len(str(path)):
-                path = np
-        return path
-
-    def repr_traceback(self, excinfo):
-        traceback = excinfo.traceback
-        if self.tbfilter:
-            traceback = traceback.filter()
-
-        if is_recursion_error(excinfo):
-            traceback, extraline = self._truncate_recursive_traceback(traceback)
-        else:
-            extraline = None
-
-        last = traceback[-1]
-        entries = []
-        for index, entry in enumerate(traceback):
-            einfo = (last == entry) and excinfo or None
-            reprentry = self.repr_traceback_entry(entry, einfo)
-            entries.append(reprentry)
-        return ReprTraceback(entries, extraline, style=self.style)
-
-    def _truncate_recursive_traceback(self, traceback):
-        """
-        Truncate the given recursive traceback trying to find the starting point
-        of the recursion.
-
-        The detection is done by going through each traceback entry and finding the
-        point in which the locals of the frame are equal to the locals of a previous frame (see ``recursionindex()``.
-
-        Handle the situation where the recursion process might raise an exception (for example
-        comparing numpy arrays using equality raises a TypeError), in which case we do our best to
-        warn the user of the error and show a limited traceback.
-        """
-        try:
-            recursionindex = traceback.recursionindex()
-        except Exception as e:
-            max_frames = 10
-            extraline = (
-                "!!! Recursion error detected, but an error occurred locating the origin of recursion.\n"
-                "  The following exception happened when comparing locals in the stack frame:\n"
-                "    {exc_type}: {exc_msg}\n"
-                "  Displaying first and last {max_frames} stack frames out of {total}."
-            ).format(
-                exc_type=type(e).__name__,
-                exc_msg=safe_str(e),
-                max_frames=max_frames,
-                total=len(traceback),
-            )
-            traceback = traceback[:max_frames] + traceback[-max_frames:]
-        else:
-            if recursionindex is not None:
-                extraline = "!!! Recursion detected (same locals & position)"
-                traceback = traceback[: recursionindex + 1]
-            else:
-                extraline = None
-
-        return traceback, extraline
-
-    def repr_excinfo(self, excinfo):
-        if _PY2:
-            reprtraceback = self.repr_traceback(excinfo)
-            reprcrash = excinfo._getreprcrash()
-
-            return ReprExceptionInfo(reprtraceback, reprcrash)
-        else:
-            repr_chain = []
-            e = excinfo.value
-            descr = None
-            seen = set()
-            while e is not None and id(e) not in seen:
-                seen.add(id(e))
-                if excinfo:
-                    reprtraceback = self.repr_traceback(excinfo)
-                    reprcrash = excinfo._getreprcrash()
-                else:
-                    # fallback to native repr if the exception doesn't have a traceback:
-                    # ExceptionInfo objects require a full traceback to work
-                    reprtraceback = ReprTracebackNative(
-                        traceback.format_exception(type(e), e, None)
-                    )
-                    reprcrash = None
-
-                repr_chain += [(reprtraceback, reprcrash, descr)]
-                if e.__cause__ is not None and self.chain:
-                    e = e.__cause__
-                    excinfo = (
-                        ExceptionInfo((type(e), e, e.__traceback__))
-                        if e.__traceback__
-                        else None
-                    )
-                    descr = "The above exception was the direct cause of the following exception:"
-                elif (
-                    e.__context__ is not None
-                    and not e.__suppress_context__
-                    and self.chain
-                ):
-                    e = e.__context__
-                    excinfo = (
-                        ExceptionInfo((type(e), e, e.__traceback__))
-                        if e.__traceback__
-                        else None
-                    )
-                    descr = "During handling of the above exception, another exception occurred:"
-                else:
-                    e = None
-            repr_chain.reverse()
-            return ExceptionChainRepr(repr_chain)
-
-
-class TerminalRepr(object):
-    def __str__(self):
-        s = self.__unicode__()
-        if _PY2:
-            s = s.encode("utf-8")
-        return s
-
-    def __unicode__(self):
-        # FYI this is called from pytest-xdist's serialization of exception
-        # information.
-        io = py.io.TextIO()
-        tw = py.io.TerminalWriter(file=io)
-        self.toterminal(tw)
-        return io.getvalue().strip()
-
-    def __repr__(self):
-        return "<%s instance at %0x>" % (self.__class__, id(self))
-
-
-class ExceptionRepr(TerminalRepr):
-    def __init__(self):
-        self.sections = []
-
-    def addsection(self, name, content, sep="-"):
-        self.sections.append((name, content, sep))
-
-    def toterminal(self, tw):
-        for name, content, sep in self.sections:
-            tw.sep(sep, name)
-            tw.line(content)
-
-
-class ExceptionChainRepr(ExceptionRepr):
-    def __init__(self, chain):
-        super(ExceptionChainRepr, self).__init__()
-        self.chain = chain
-        # reprcrash and reprtraceback of the outermost (the newest) exception
-        # in the chain
-        self.reprtraceback = chain[-1][0]
-        self.reprcrash = chain[-1][1]
-
-    def toterminal(self, tw):
-        for element in self.chain:
-            element[0].toterminal(tw)
-            if element[2] is not None:
-                tw.line("")
-                tw.line(element[2], yellow=True)
-        super(ExceptionChainRepr, self).toterminal(tw)
-
-
-class ReprExceptionInfo(ExceptionRepr):
-    def __init__(self, reprtraceback, reprcrash):
-        super(ReprExceptionInfo, self).__init__()
-        self.reprtraceback = reprtraceback
-        self.reprcrash = reprcrash
-
-    def toterminal(self, tw):
-        self.reprtraceback.toterminal(tw)
-        super(ReprExceptionInfo, self).toterminal(tw)
-
-
-class ReprTraceback(TerminalRepr):
-    entrysep = "_ "
-
-    def __init__(self, reprentries, extraline, style):
-        self.reprentries = reprentries
-        self.extraline = extraline
-        self.style = style
-
-    def toterminal(self, tw):
-        # the entries might have different styles
-        for i, entry in enumerate(self.reprentries):
-            if entry.style == "long":
-                tw.line("")
-            entry.toterminal(tw)
-            if i < len(self.reprentries) - 1:
-                next_entry = self.reprentries[i + 1]
-                if (
-                    entry.style == "long"
-                    or entry.style == "short"
-                    and next_entry.style == "long"
-                ):
-                    tw.sep(self.entrysep)
-
-        if self.extraline:
-            tw.line(self.extraline)
-
-
-class ReprTracebackNative(ReprTraceback):
-    def __init__(self, tblines):
-        self.style = "native"
-        self.reprentries = [ReprEntryNative(tblines)]
-        self.extraline = None
-
-
-class ReprEntryNative(TerminalRepr):
-    style = "native"
-
-    def __init__(self, tblines):
-        self.lines = tblines
-
-    def toterminal(self, tw):
-        tw.write("".join(self.lines))
-
-
-class ReprEntry(TerminalRepr):
-    def __init__(self, lines, reprfuncargs, reprlocals, filelocrepr, style):
-        self.lines = lines
-        self.reprfuncargs = reprfuncargs
-        self.reprlocals = reprlocals
-        self.reprfileloc = filelocrepr
-        self.style = style
-
-    def toterminal(self, tw):
-        if self.style == "short":
-            self.reprfileloc.toterminal(tw)
-            for line in self.lines:
-                red = line.startswith("E   ")
-                tw.line(line, bold=True, red=red)
-            # tw.line("")
-            return
-        if self.reprfuncargs:
-            self.reprfuncargs.toterminal(tw)
-        for line in self.lines:
-            red = line.startswith("E   ")
-            tw.line(line, bold=True, red=red)
-        if self.reprlocals:
-            tw.line("")
-            self.reprlocals.toterminal(tw)
-        if self.reprfileloc:
-            if self.lines:
-                tw.line("")
-            self.reprfileloc.toterminal(tw)
-
-    def __str__(self):
-        return "%s\n%s\n%s" % ("\n".join(self.lines), self.reprlocals, self.reprfileloc)
-
-
-class ReprFileLocation(TerminalRepr):
-    def __init__(self, path, lineno, message):
-        self.path = str(path)
-        self.lineno = lineno
-        self.message = message
-
-    def toterminal(self, tw):
-        # filename and lineno output for each entry,
-        # using an output format that most editors unterstand
-        msg = self.message
-        i = msg.find("\n")
-        if i != -1:
-            msg = msg[:i]
-        tw.write(self.path, bold=True, red=True)
-        tw.line(":%s: %s" % (self.lineno, msg))
-
-
-class ReprLocals(TerminalRepr):
-    def __init__(self, lines):
-        self.lines = lines
-
-    def toterminal(self, tw):
-        for line in self.lines:
-            tw.line(line)
-
-
-class ReprFuncArgs(TerminalRepr):
-    def __init__(self, args):
-        self.args = args
-
-    def toterminal(self, tw):
-        if self.args:
-            linesofar = ""
-            for name, value in self.args:
-                ns = "%s = %s" % (safe_str(name), safe_str(value))
-                if len(ns) + len(linesofar) + 2 > tw.fullwidth:
-                    if linesofar:
-                        tw.line(linesofar)
-                    linesofar = ns
-                else:
-                    if linesofar:
-                        linesofar += ", " + ns
-                    else:
-                        linesofar = ns
-            if linesofar:
-                tw.line(linesofar)
-            tw.line("")
-
-
-def getrawcode(obj, trycall=True):
-    """ return code object for given function. """
-    try:
-        return obj.__code__
-    except AttributeError:
-        obj = getattr(obj, "im_func", obj)
-        obj = getattr(obj, "func_code", obj)
-        obj = getattr(obj, "f_code", obj)
-        obj = getattr(obj, "__code__", obj)
-        if trycall and not hasattr(obj, "co_firstlineno"):
-            if hasattr(obj, "__call__") and not inspect.isclass(obj):
-                x = getrawcode(obj.__call__, trycall=False)
-                if hasattr(x, "co_firstlineno"):
-                    return x
-        return obj
-
-
-if PY35:  # RecursionError introduced in 3.5
-
-    def is_recursion_error(excinfo):
-        return excinfo.errisinstance(RecursionError)  # noqa
-
-
-else:
-
-    def is_recursion_error(excinfo):
-        if not excinfo.errisinstance(RuntimeError):
-            return False
-        try:
-            return "maximum recursion depth exceeded" in str(excinfo.value)
-        except UnicodeError:
-            return False
-
-
-# relative paths that we use to filter traceback entries from appearing to the user;
-# see filter_traceback
-# note: if we need to add more paths than what we have now we should probably use a list
-# for better maintenance
-
-_PLUGGY_DIR = py.path.local(pluggy.__file__.rstrip("oc"))
-# pluggy is either a package or a single module depending on the version
-if _PLUGGY_DIR.basename == "__init__.py":
-    _PLUGGY_DIR = _PLUGGY_DIR.dirpath()
-_PYTEST_DIR = py.path.local(_pytest.__file__).dirpath()
-_PY_DIR = py.path.local(py.__file__).dirpath()
-
-
-def filter_traceback(entry):
-    """Return True if a TracebackEntry instance should be removed from tracebacks:
-    * dynamically generated code (no code to show up for it);
-    * internal traceback from pytest or its internal libraries, py and pluggy.
-    """
-    # entry.path might sometimes return a str object when the entry
-    # points to dynamically generated code
-    # see https://bitbucket.org/pytest-dev/py/issues/71
-    raw_filename = entry.frame.code.raw.co_filename
-    is_generated = "<" in raw_filename and ">" in raw_filename
-    if is_generated:
-        return False
-    # entry.path might point to a non-existing file, in which case it will
-    # also return a str object. see #1133
-    p = py.path.local(entry.path)
-    return (
-        not p.relto(_PLUGGY_DIR) and not p.relto(_PYTEST_DIR) and not p.relto(_PY_DIR)
-    )