Intermediate changes

1 files changed, 0 insertions, 233 deletions

diff --git a/contrib/python/python-dateutil/py3/dateutil/test/_common.py b/contrib/python/python-dateutil/py3/dateutil/test/_common.py
deleted file mode 100644
index b8d20473743..00000000000
--- a/contrib/python/python-dateutil/py3/dateutil/test/_common.py
+++ /dev/null
@@ -1,233 +0,0 @@
-from __future__ import unicode_literals
-import os
-import time
-import subprocess
-import warnings
-import tempfile
-import pickle
-
-import pytest
-
-
-class PicklableMixin(object):
-    def _get_nobj_bytes(self, obj, dump_kwargs, load_kwargs):
-        """
-        Pickle and unpickle an object using ``pickle.dumps`` / ``pickle.loads``
-        """
-        pkl = pickle.dumps(obj, **dump_kwargs)
-        return pickle.loads(pkl, **load_kwargs)
-
-    def _get_nobj_file(self, obj, dump_kwargs, load_kwargs):
-        """
-        Pickle and unpickle an object using ``pickle.dump`` / ``pickle.load`` on
-        a temporary file.
-        """
-        with tempfile.TemporaryFile('w+b') as pkl:
-            pickle.dump(obj, pkl, **dump_kwargs)
-            pkl.seek(0)         # Reset the file to the beginning to read it
-            nobj = pickle.load(pkl, **load_kwargs)
-
-        return nobj
-
-    def assertPicklable(self, obj, singleton=False, asfile=False,
-                        dump_kwargs=None, load_kwargs=None):
-        """
-        Assert that an object can be pickled and unpickled. This assertion
-        assumes that the desired behavior is that the unpickled object compares
-        equal to the original object, but is not the same object.
-        """
-        get_nobj = self._get_nobj_file if asfile else self._get_nobj_bytes
-        dump_kwargs = dump_kwargs or {}
-        load_kwargs = load_kwargs or {}
-
-        nobj = get_nobj(obj, dump_kwargs, load_kwargs)
-        if not singleton:
-            self.assertIsNot(obj, nobj)
-        self.assertEqual(obj, nobj)
-
-
-class TZContextBase(object):
-    """
-    Base class for a context manager which allows changing of time zones.
-
-    Subclasses may define a guard variable to either block or or allow time
-    zone changes by redefining ``_guard_var_name`` and ``_guard_allows_change``.
-    The default is that the guard variable must be affirmatively set.
-
-    Subclasses must define ``get_current_tz`` and ``set_current_tz``.
-    """
-    _guard_var_name = "DATEUTIL_MAY_CHANGE_TZ"
-    _guard_allows_change = True
-
-    def __init__(self, tzval):
-        self.tzval = tzval
-        self._old_tz = None
-
-    @classmethod
-    def tz_change_allowed(cls):
-        """
-        Class method used to query whether or not this class allows time zone
-        changes.
-        """
-        guard = bool(os.environ.get(cls._guard_var_name, False))
-
-        # _guard_allows_change gives the "default" behavior - if True, the
-        # guard is overcoming a block. If false, the guard is causing a block.
-        # Whether tz_change is allowed is therefore the XNOR of the two.
-        return guard == cls._guard_allows_change
-
-    @classmethod
-    def tz_change_disallowed_message(cls):
-        """ Generate instructions on how to allow tz changes """
-        msg = ('Changing time zone not allowed. Set {envar} to {gval} '
-               'if you would like to allow this behavior')
-
-        return msg.format(envar=cls._guard_var_name,
-                          gval=cls._guard_allows_change)
-
-    def __enter__(self):
-        if not self.tz_change_allowed():
-            msg = self.tz_change_disallowed_message()
-            pytest.skip(msg)
-
-            # If this is used outside of a test suite, we still want an error.
-            raise ValueError(msg)  # pragma: no cover
-
-        self._old_tz = self.get_current_tz()
-        self.set_current_tz(self.tzval)
-
-    def __exit__(self, type, value, traceback):
-        if self._old_tz is not None:
-            self.set_current_tz(self._old_tz)
-
-        self._old_tz = None
-
-    def get_current_tz(self):
-        raise NotImplementedError
-
-    def set_current_tz(self):
-        raise NotImplementedError
-
-
-class TZEnvContext(TZContextBase):
-    """
-    Context manager that temporarily sets the `TZ` variable (for use on
-    *nix-like systems). Because the effect is local to the shell anyway, this
-    will apply *unless* a guard is set.
-
-    If you do not want the TZ environment variable set, you may set the
-    ``DATEUTIL_MAY_NOT_CHANGE_TZ_VAR`` variable to a truthy value.
-    """
-    _guard_var_name = "DATEUTIL_MAY_NOT_CHANGE_TZ_VAR"
-    _guard_allows_change = False
-
-    def get_current_tz(self):
-        return os.environ.get('TZ', UnsetTz)
-
-    def set_current_tz(self, tzval):
-        if tzval is UnsetTz and 'TZ' in os.environ:
-            del os.environ['TZ']
-        else:
-            os.environ['TZ'] = tzval
-
-        time.tzset()
-
-
-class TZWinContext(TZContextBase):
-    """
-    Context manager for changing local time zone on Windows.
-
-    Because the effect of this is system-wide and global, it may have
-    unintended side effect. Set the ``DATEUTIL_MAY_CHANGE_TZ`` environment
-    variable to a truthy value before using this context manager.
-    """
-    def get_current_tz(self):
-        p = subprocess.Popen(['tzutil', '/g'], stdout=subprocess.PIPE)
-
-        ctzname, err = p.communicate()
-        ctzname = ctzname.decode()     # Popen returns
-
-        if p.returncode:
-            raise OSError('Failed to get current time zone: ' + err)
-
-        return ctzname
-
-    def set_current_tz(self, tzname):
-        p = subprocess.Popen('tzutil /s "' + tzname + '"')
-
-        out, err = p.communicate()
-
-        if p.returncode:
-            raise OSError('Failed to set current time zone: ' +
-                          (err or 'Unknown error.'))
-
-
-###
-# Utility classes
-class NotAValueClass(object):
-    """
-    A class analogous to NaN that has operations defined for any type.
-    """
-    def _op(self, other):
-        return self             # Operation with NotAValue returns NotAValue
-
-    def _cmp(self, other):
-        return False
-
-    __add__ = __radd__ = _op
-    __sub__ = __rsub__ = _op
-    __mul__ = __rmul__ = _op
-    __div__ = __rdiv__ = _op
-    __truediv__ = __rtruediv__ = _op
-    __floordiv__ = __rfloordiv__ = _op
-
-    __lt__ = __rlt__ = _op
-    __gt__ = __rgt__ = _op
-    __eq__ = __req__ = _op
-    __le__ = __rle__ = _op
-    __ge__ = __rge__ = _op
-
-
-NotAValue = NotAValueClass()
-
-
-class ComparesEqualClass(object):
-    """
-    A class that is always equal to whatever you compare it to.
-    """
-
-    def __eq__(self, other):
-        return True
-
-    def __ne__(self, other):
-        return False
-
-    def __le__(self, other):
-        return True
-
-    def __ge__(self, other):
-        return True
-
-    def __lt__(self, other):
-        return False
-
-    def __gt__(self, other):
-        return False
-
-    __req__ = __eq__
-    __rne__ = __ne__
-    __rle__ = __le__
-    __rge__ = __ge__
-    __rlt__ = __lt__
-    __rgt__ = __gt__
-
-
-ComparesEqual = ComparesEqualClass()
-
-
-class UnsetTzClass(object):
-    """ Sentinel class for unset time zone variable """
-    pass
-
-
-UnsetTz = UnsetTzClass()